Refactor: Remove unused imports and clean up code across multiple pages

- Removed unused Link imports and associated code for navigation in various pages.
- Simplified TableHeader components by removing unnecessary class names.
- Updated alert dialog styles for better consistency with the design system.
- Cleaned up imports in several components to streamline the codebase.

.gitignore

@@ -31,11 +31,8 @@ Thumbs.db
 .idea/
 
 # ── Migrations ─────────────────────────────────────────────────────────
-# Reverted 2026-07-31: excluding new EF Core migrations while
+# New EF Core migrations are not committed. Note the 4 migrations already in
-# ErpDbContextModelSnapshot.cs stayed tracked meant every `dotnet ef
+# Backend/ERPCore/Infra/Persistence/Migrations/ stay tracked — .gitignore does
-# migrations add` after the initial 4 silently produced a migration git would
+# not apply to tracked files — so edits to those still get committed as normal.
-# never see, while the (tracked) snapshot's changes committed normally —
+# Untracking them too takes `git rm --cached`.
-# so the snapshot kept claiming tables existed that no migration in git
+**/Migrations/
-# history ever created them. Confirmed live: 25 HRM tables + 11 Manufacturing
-# tables were missing from the actual database for exactly this reason.
-# Migrations now stay tracked like any other source file — commit them.

Backend/ERPCore/Controllers/BundleSalesController.cs

@@ -1,79 +0,0 @@
-using ERPCore.Domain.Enums;
-using ERPCore.Dtos.Common;
-using ERPCore.Dtos.Sales;
-using ERPCore.Services.Interfaces;
-using Microsoft.AspNetCore.Mvc;
-
-namespace ERPCore.Controllers;
-
-[Route("api/v1/bundle-sales")]
-public sealed class BundleSalesController : ApiControllerBase
-{
-    private readonly IBundleSaleService _bundles;
-
-    public BundleSalesController(IBundleSaleService bundles) => _bundles = bundles;
-
-    [HttpGet("templates")]
-    [ProducesResponseType(typeof(PagedResponse<BundleSaleTemplateSummaryDto>), StatusCodes.Status200OK)]
-    public async Task<ActionResult<PagedResponse<BundleSaleTemplateSummaryDto>>> ListTemplates(
-        [FromQuery] PageQuery query,
-        CancellationToken ct)
-        => Ok(await _bundles.ListTemplatesAsync(query, ct));
-
-    [HttpGet("templates/{bundleSaleTemplateId:int}")]
-    [ProducesResponseType(typeof(BundleSaleTemplateDto), StatusCodes.Status200OK)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    public async Task<ActionResult<BundleSaleTemplateDto>> GetTemplate(int bundleSaleTemplateId, CancellationToken ct)
-    {
-        var result = await _bundles.GetTemplateAsync(bundleSaleTemplateId, ct);
-        return result is null ? NotFound() : Ok(result);
-    }
-
-    [HttpGet]
-    [ProducesResponseType(typeof(PagedResponse<BundleSaleSummaryDto>), StatusCodes.Status200OK)]
-    public async Task<ActionResult<PagedResponse<BundleSaleSummaryDto>>> List(
-        [FromQuery] PageQuery query,
-        [FromQuery] int? customerId,
-        [FromQuery] int? warehouseId,
-        CancellationToken ct)
-        => Ok(await _bundles.ListAsync(query, customerId, warehouseId, ct));
-
-    [HttpGet("{bundleSaleId:int}")]
-    [ProducesResponseType(typeof(BundleSaleDto), StatusCodes.Status200OK)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    public async Task<ActionResult<BundleSaleDto>> GetById(int bundleSaleId, CancellationToken ct)
-    {
-        var result = await _bundles.GetAsync(bundleSaleId, ct);
-        return result is null ? NotFound() : Ok(result);
-    }
-
-    [HttpGet("{bundleSaleId:int}/posting-check")]
-    [ProducesResponseType(typeof(BundleSalePostingCheckDto), StatusCodes.Status200OK)]
-    public async Task<ActionResult<BundleSalePostingCheckDto>> PostingCheck(int bundleSaleId, CancellationToken ct)
-        => Ok(await _bundles.CheckPostingAsync(bundleSaleId, ct));
-
-    [HttpPost]
-    [ProducesResponseType(typeof(BundleSaleDto), StatusCodes.Status201Created)]
-    public async Task<ActionResult<BundleSaleDto>> Create([FromBody] CreateBundleSaleRequest request, CancellationToken ct)
-    {
-        var result = await _bundles.CreateAsync(request, ct);
-        return Created($"/api/v1/bundle-sales/{result.BundleSaleId}", result);
-    }
-
-    [HttpPut("{bundleSaleId:int}")]
-    [ProducesResponseType(typeof(BundleSaleDto), StatusCodes.Status200OK)]
-    public async Task<ActionResult<BundleSaleDto>> Update(int bundleSaleId, [FromBody] UpdateBundleSaleRequest request, CancellationToken ct)
-    {
-        return Ok(await _bundles.UpdateAsync(bundleSaleId, request, ct));
-    }
-
-    [HttpPost("{bundleSaleId:int}/post")]
-    [ProducesResponseType(typeof(BundleSaleDto), StatusCodes.Status200OK)]
-    public async Task<ActionResult<BundleSaleDto>> Post(int bundleSaleId, CancellationToken ct)
-        => Ok(await _bundles.PostAsync(bundleSaleId, ct));
-
-    [HttpPost("{bundleSaleId:int}/cancel")]
-    [ProducesResponseType(typeof(BundleSaleDto), StatusCodes.Status200OK)]
-    public async Task<ActionResult<BundleSaleDto>> Cancel(int bundleSaleId, CancellationToken ct)
-        => Ok(await _bundles.CancelAsync(bundleSaleId, ct));
-}

Backend/ERPCore/Controllers/CustomersController.cs

@@ -1,69 +0,0 @@
-using ERPCore.Domain.Enums;
-using ERPCore.Dtos.Common;
-using ERPCore.Dtos.Customers;
-using ERPCore.Services.Interfaces;
-using Microsoft.AspNetCore.Mvc;
-
-namespace ERPCore.Controllers;
-
-/// <summary>Customer master endpoints for Phase 1 sales.</summary>
-[Route("api/v1/customers")]
-public sealed class CustomersController : ApiControllerBase
-{
-    private readonly ICustomerService _customers;
-
-    public CustomersController(ICustomerService customers) => _customers = customers;
-
-    [HttpGet]
-    [ProducesResponseType(typeof(PagedResponse<CustomerDto>), StatusCodes.Status200OK)]
-    public async Task<ActionResult<PagedResponse<CustomerDto>>> List(
-        [FromQuery] PageQuery query,
-        [FromQuery] EntityStatus? status,
-        [FromQuery] CustomerType? customerType,
-        CancellationToken ct)
-        => Ok(await _customers.ListAsync(query, status, customerType, ct));
-
-    [HttpGet("{customerId:int}")]
-    [ProducesResponseType(typeof(CustomerDto), StatusCodes.Status200OK)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    public async Task<ActionResult<CustomerDto>> GetById(int customerId, CancellationToken ct)
-    {
-        var result = await _customers.GetAsync(customerId, ct);
-        if (result is null) return NotFound();
-
-        SetETag(result.RowVersion);
-        return Ok(result.Value);
-    }
-
-    [HttpPost]
-    [ProducesResponseType(typeof(CustomerDto), StatusCodes.Status201Created)]
-    [ProducesResponseType(StatusCodes.Status409Conflict)]
-    public async Task<ActionResult<CustomerDto>> Create([FromBody] CreateCustomerRequest request, CancellationToken ct)
-    {
-        var result = await _customers.CreateAsync(request, ct);
-        SetETag(result.RowVersion);
-        return Created($"/api/v1/customers/{result.Value.CustomerId}", result.Value);
-    }
-
-    [HttpPut("{customerId:int}")]
-    [ProducesResponseType(typeof(CustomerDto), StatusCodes.Status200OK)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    [ProducesResponseType(StatusCodes.Status409Conflict)]
-    [ProducesResponseType(StatusCodes.Status412PreconditionFailed)]
-    public async Task<ActionResult<CustomerDto>> Update(int customerId, [FromBody] UpdateCustomerRequest request, CancellationToken ct)
-    {
-        var expected = RequireIfMatch();
-        var result = await _customers.UpdateAsync(customerId, request, expected, ct);
-        SetETag(result.RowVersion);
-        return Ok(result.Value);
-    }
-
-    [HttpPatch("{customerId:int}/status")]
-    [ProducesResponseType(StatusCodes.Status204NoContent)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    public async Task<IActionResult> SetStatus(int customerId, [FromBody] UpdateCustomerStatusRequest request, CancellationToken ct)
-    {
-        await _customers.SetStatusAsync(customerId, request.Status, ct);
-        return NoContent();
-    }
-}

Backend/ERPCore/Controllers/FreeIssuesController.cs

@@ -1,78 +0,0 @@
-using ERPCore.Domain.Enums;
-using ERPCore.Dtos.Common;
-using ERPCore.Dtos.Sales;
-using ERPCore.Services.Interfaces;
-using Microsoft.AspNetCore.Mvc;
-
-namespace ERPCore.Controllers;
-
-/// <summary>
-/// Thin API alias for free-issue handling. Free issues are modeled as sales slips
-/// with line-level <c>IsFreeIssue</c>/<c>FreeQty</c> flags, so this controller reuses
-/// the existing sales-slip CRUD surface under a more business-friendly route.
-/// </summary>
-[Route("api/v1/free-issues")]
-public sealed class FreeIssuesController : ApiControllerBase
-{
-    private readonly ISalesSlipService _slips;
-
-    public FreeIssuesController(ISalesSlipService slips) => _slips = slips;
-
-    [HttpGet]
-    [ProducesResponseType(typeof(PagedResponse<FreeIssueSummaryDto>), StatusCodes.Status200OK)]
-    public async Task<ActionResult<PagedResponse<FreeIssueSummaryDto>>> List(
-        [FromQuery] PageQuery query,
-        [FromQuery] SalesSlipStatus? status,
-        [FromQuery] int? customerId,
-        [FromQuery] int? warehouseId,
-        CancellationToken ct)
-        => Ok(await _slips.ListFreeIssuesAsync(query, status, customerId, warehouseId, ct));
-
-    [HttpGet("{freeIssueId:int}")]
-    [ProducesResponseType(typeof(FreeIssueDto), StatusCodes.Status200OK)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    public async Task<ActionResult<FreeIssueDto>> GetById(int freeIssueId, CancellationToken ct)
-    {
-        var result = await _slips.GetFreeIssueAsync(freeIssueId, ct);
-        if (result is null) return NotFound();
-        SetETag(result.RowVersion);
-        return Ok(result.Value);
-    }
-
-    [HttpGet("{freeIssueId:int}/posting-check")]
-    [ProducesResponseType(typeof(SalesSlipPostingCheckDto), StatusCodes.Status200OK)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    public async Task<ActionResult<SalesSlipPostingCheckDto>> PostingCheck(int freeIssueId, CancellationToken ct)
-        => Ok(await _slips.CheckPostingAsync(freeIssueId, ct));
-
-    [HttpPost]
-    [ProducesResponseType(typeof(FreeIssueDto), StatusCodes.Status201Created)]
-    public async Task<ActionResult<FreeIssueDto>> Create([FromBody] CreateSalesSlipRequest request, CancellationToken ct)
-    {
-        var result = await _slips.CreateAsync(request, ct);
-        SetETag(result.RowVersion);
-        return Created($"/api/v1/free-issues/{result.Value.SalesSlipId}", result.Value);
-    }
-
-    [HttpPut("{freeIssueId:int}")]
-    [ProducesResponseType(typeof(FreeIssueDto), StatusCodes.Status200OK)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    [ProducesResponseType(StatusCodes.Status412PreconditionFailed)]
-    public async Task<ActionResult<FreeIssueDto>> Update(int freeIssueId, [FromBody] UpdateSalesSlipRequest request, CancellationToken ct)
-    {
-        var expected = RequireIfMatch();
-        var result = await _slips.UpdateAsync(freeIssueId, request, expected, ct);
-        SetETag(result.RowVersion);
-        return Ok(result.Value);
-    }
-
-    [HttpPost("{freeIssueId:int}/post")]
-    [ProducesResponseType(typeof(FreeIssueDto), StatusCodes.Status200OK)]
-    public async Task<ActionResult<FreeIssueDto>> Post(int freeIssueId, CancellationToken ct)
-        => Ok(await _slips.PostAsync(freeIssueId, ct));
-
-    [HttpPost("{freeIssueId:int}/cancel")]
-    [ProducesResponseType(typeof(FreeIssueDto), StatusCodes.Status200OK)]
-    public async Task<ActionResult<FreeIssueDto>> Cancel(int freeIssueId, CancellationToken ct)
-        => Ok(await _slips.CancelAsync(freeIssueId, ct));
-}

Backend/ERPCore/Controllers/GeneralLedgerController.cs

@@ -1,43 +0,0 @@
-using ERPCore.Services.Interfaces;
-using Microsoft.AspNetCore.Mvc;
-
-namespace ERPCore.Controllers;
-
-/// <summary>
-/// Generic reverse proxy into the external General Ledger service — forwards every
-/// method/path/query/body under this prefix verbatim via
-/// <see cref="IGeneralLedgerService"/> and returns GL's response (status, content-type,
-/// body) unchanged. No endpoint-specific shape lives here; see
-/// docs/12-GENERAL-LEDGER-INTEGRATION.md for the full GL contract and what this proxy
-/// does and doesn't do. Gated by the same ERP door policy as every other v1 endpoint
-/// (<see cref="ApiControllerBase"/>) — the shared GL API key is attached server-side
-/// only and is never exposed to the frontend.
-/// </summary>
-[Route("api/v1/gl")]
-public sealed class GeneralLedgerController : ApiControllerBase
-{
-    private readonly IGeneralLedgerService _gl;
-
-    public GeneralLedgerController(IGeneralLedgerService gl) => _gl = gl;
-
-    [HttpGet("{**path}")]
-    public Task<IActionResult> Get(string path, CancellationToken ct) => ForwardAsync(HttpMethod.Get, path, ct);
-
-    [HttpPost("{**path}")]
-    public Task<IActionResult> Post(string path, CancellationToken ct) => ForwardAsync(HttpMethod.Post, path, ct);
-
-    [HttpPut("{**path}")]
-    public Task<IActionResult> Put(string path, CancellationToken ct) => ForwardAsync(HttpMethod.Put, path, ct);
-
-    private async Task<IActionResult> ForwardAsync(HttpMethod method, string path, CancellationToken ct)
-    {
-        var body = method == HttpMethod.Get ? null : Request.Body;
-        var result = await _gl.ForwardAsync(method, path, Request.QueryString.Value, Request.ContentType, body, ct);
-        return new ContentResult
-        {
-            StatusCode = result.StatusCode,
-            Content = result.Body,
-            ContentType = result.ContentType ?? "application/json"
-        };
-    }
-}

Backend/ERPCore/Controllers/ProductionRunsController.cs

@@ -1,157 +0,0 @@
-using ERPCore.Domain.Enums;
-using ERPCore.Dtos.Common;
-using ERPCore.Dtos.Production;
-using ERPCore.Services.Interfaces;
-using Microsoft.AspNetCore.Mvc;
-
-namespace ERPCore.Controllers;
-
-/// <summary>Production run endpoints (docs/30-BACKEND-PHASE2.md §D.2–D.3).</summary>
-[Route("api/v1/production-runs")]
-public sealed class ProductionRunsController : ApiControllerBase
-{
-    private readonly IProductionRunService _runs;
-
-    public ProductionRunsController(IProductionRunService runs) => _runs = runs;
-
-    [HttpGet]
-    [ProducesResponseType(typeof(PagedResponse<RunSummaryDto>), StatusCodes.Status200OK)]
-    public async Task<ActionResult<PagedResponse<RunSummaryDto>>> List(
-        [FromQuery] PageQuery query,
-        [FromQuery] ProductionRunStatus? status,
-        [FromQuery] int? templateId,
-        [FromQuery] int? warehouseId,
-        CancellationToken ct)
-        => Ok(await _runs.ListAsync(query, status, templateId, warehouseId, ct));
-
-    [HttpGet("{runId:int}")]
-    [ProducesResponseType(typeof(RunGraphDto), StatusCodes.Status200OK)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    public async Task<ActionResult<RunGraphDto>> GetById(int runId, CancellationToken ct)
-    {
-        var result = await _runs.GetAsync(runId, ct);
-        if (result is null) return NotFound();
-
-        SetETag(result.RowVersion);
-        return Ok(result.Value);
-    }
-
-    [HttpPost]
-    [ProducesResponseType(typeof(RunGraphDto), StatusCodes.Status201Created)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    [ProducesResponseType(StatusCodes.Status422UnprocessableEntity)]
-    public async Task<ActionResult<RunGraphDto>> Create([FromBody] CreateRunRequest request, CancellationToken ct)
-    {
-        var result = await _runs.CreateAsync(request, ct);
-
-        SetETag(result.RowVersion);
-        return Created($"/api/v1/production-runs/{result.Value.RunId}", result.Value);
-    }
-
-    [HttpPut("{runId:int}/stages/{runStageId:int}/quantities")]
-    [ProducesResponseType(typeof(RunStageDto), StatusCodes.Status200OK)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    [ProducesResponseType(StatusCodes.Status409Conflict)]
-    [ProducesResponseType(StatusCodes.Status422UnprocessableEntity)]
-    public async Task<ActionResult<RunStageDto>> UpdateQuantities(
-        int runId, int runStageId, [FromBody] UpdateStageQuantitiesRequest request, CancellationToken ct)
-        => Ok(await _runs.UpdateStageQuantitiesAsync(runId, runStageId, request, ct));
-
-    // --- stage actions (docs/30 §D.3) ---------------------------------------
-    //
-    // Idempotency-Key is accepted on every action to match the Phase-1 contract (docs/11
-    // §1.6) but, as in GrnService.ConfirmAsync, it is not stored. Replay safety comes from
-    // the status guards instead: a double-fire finds the stage already moved on and gets a
-    // 409, which docs/21 §6 tells the client to treat as a silent refetch. Recorded as a
-    // deviation from §D.3's "idempotency-key honored".
-
-    [HttpPost("{runId:int}/stages/{runStageId:int}/start")]
-    [ProducesResponseType(typeof(StartStageResultDto), StatusCodes.Status200OK)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    [ProducesResponseType(StatusCodes.Status409Conflict)]
-    [ProducesResponseType(StatusCodes.Status422UnprocessableEntity)]
-    public async Task<ActionResult<StartStageResultDto>> Start(
-        int runId, int runStageId,
-        [FromHeader(Name = "Idempotency-Key")] string? idempotencyKey,
-        CancellationToken ct)
-        => Ok(await _runs.StartStageAsync(runId, runStageId, ct));
-
-    [HttpPost("{runId:int}/stages/{runStageId:int}/complete")]
-    [ProducesResponseType(typeof(RunStageDto), StatusCodes.Status200OK)]
-    [ProducesResponseType(StatusCodes.Status400BadRequest)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    [ProducesResponseType(StatusCodes.Status409Conflict)]
-    [ProducesResponseType(StatusCodes.Status422UnprocessableEntity)]
-    public async Task<ActionResult<RunStageDto>> Complete(
-        int runId, int runStageId, [FromBody] CompleteStageRequest request,
-        [FromHeader(Name = "Idempotency-Key")] string? idempotencyKey,
-        CancellationToken ct)
-        => Ok(await _runs.CompleteStageAsync(runId, runStageId, request, ct));
-
-    [HttpPost("{runId:int}/stages/{runStageId:int}/approve")]
-    [ProducesResponseType(typeof(ApproveStageResultDto), StatusCodes.Status200OK)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    [ProducesResponseType(StatusCodes.Status409Conflict)]
-    [ProducesResponseType(StatusCodes.Status422UnprocessableEntity)]
-    public async Task<ActionResult<ApproveStageResultDto>> Approve(
-        int runId, int runStageId, [FromBody] ApproveStageRequest? request,
-        [FromHeader(Name = "Idempotency-Key")] string? idempotencyKey,
-        CancellationToken ct)
-        => Ok(await _runs.ApproveStageAsync(runId, runStageId, request ?? new ApproveStageRequest(), ct));
-
-    [HttpPost("{runId:int}/stages/{runStageId:int}/transfer")]
-    [ProducesResponseType(typeof(TransferResultDto), StatusCodes.Status200OK)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    [ProducesResponseType(StatusCodes.Status409Conflict)]
-    [ProducesResponseType(StatusCodes.Status422UnprocessableEntity)]
-    public async Task<ActionResult<TransferResultDto>> Transfer(
-        int runId, int runStageId, [FromBody] TransferRemainderRequest request,
-        [FromHeader(Name = "Idempotency-Key")] string? idempotencyKey,
-        CancellationToken ct)
-        => Ok(await _runs.TransferAsync(runId, runStageId, request, ct));
-
-    [HttpPost("{runId:int}/inputs/{runInputId:int}/return-leftover")]
-    [ProducesResponseType(typeof(ReturnLeftoverResultDto), StatusCodes.Status200OK)]
-    [ProducesResponseType(StatusCodes.Status400BadRequest)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    [ProducesResponseType(StatusCodes.Status409Conflict)]
-    [ProducesResponseType(StatusCodes.Status422UnprocessableEntity)]
-    public async Task<ActionResult<ReturnLeftoverResultDto>> ReturnLeftover(
-        int runId, int runInputId, [FromBody] ReturnLeftoverRequest request,
-        [FromHeader(Name = "Idempotency-Key")] string? idempotencyKey,
-        CancellationToken ct)
-        => Ok(await _runs.ReturnLeftoverAsync(runId, runInputId, request, ct));
-
-    [HttpPost("{runId:int}/stages/{runStageId:int}/reject-intake")]
-    [ProducesResponseType(typeof(RejectIntakeResultDto), StatusCodes.Status200OK)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    [ProducesResponseType(StatusCodes.Status409Conflict)]
-    public async Task<ActionResult<RejectIntakeResultDto>> RejectIntake(
-        int runId, int runStageId, [FromBody] RejectRequest? request,
-        [FromHeader(Name = "Idempotency-Key")] string? idempotencyKey,
-        CancellationToken ct)
-        => Ok(await _runs.RejectIntakeAsync(runId, runStageId, request ?? new RejectRequest(), ct));
-
-    /// <summary>Terminal reject — resets the whole run for a rework pass (FR-MFG-16).</summary>
-    [HttpPost("{runId:int}/stages/{runStageId:int}/reject")]
-    [ProducesResponseType(typeof(TerminalRejectResultDto), StatusCodes.Status200OK)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    [ProducesResponseType(StatusCodes.Status409Conflict)]
-    public async Task<ActionResult<TerminalRejectResultDto>> Reject(
-        int runId, int runStageId, [FromBody] RejectRequest? request,
-        [FromHeader(Name = "Idempotency-Key")] string? idempotencyKey,
-        CancellationToken ct)
-        => Ok(await _runs.RejectTerminalAsync(runId, runStageId, request ?? new RejectRequest(), ct));
-
-    [HttpPost("{runId:int}/cancel")]
-    [ProducesResponseType(typeof(CancelRunResultDto), StatusCodes.Status200OK)]
-    [ProducesResponseType(StatusCodes.Status400BadRequest)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    [ProducesResponseType(StatusCodes.Status409Conflict)]
-    [ProducesResponseType(StatusCodes.Status422UnprocessableEntity)]
-    public async Task<ActionResult<CancelRunResultDto>> Cancel(
-        int runId, [FromBody] CancelRunRequest request,
-        [FromHeader(Name = "Idempotency-Key")] string? idempotencyKey,
-        CancellationToken ct)
-        => Ok(await _runs.CancelAsync(runId, request, ct));
-}

Backend/ERPCore/Controllers/ProductionTemplatesController.cs

@@ -1,73 +0,0 @@
-using ERPCore.Domain.Enums;
-using ERPCore.Dtos.Common;
-using ERPCore.Dtos.Production;
-using ERPCore.Services.Interfaces;
-using Microsoft.AspNetCore.Mvc;
-
-namespace ERPCore.Controllers;
-
-/// <summary>Production template endpoints (docs/30-BACKEND-PHASE2.md §D.1).</summary>
-[Route("api/v1/production-templates")]
-public sealed class ProductionTemplatesController : ApiControllerBase
-{
-    private readonly IProductionTemplateService _templates;
-
-    public ProductionTemplatesController(IProductionTemplateService templates) => _templates = templates;
-
-    [HttpGet]
-    [ProducesResponseType(typeof(PagedResponse<TemplateSummaryDto>), StatusCodes.Status200OK)]
-    public async Task<ActionResult<PagedResponse<TemplateSummaryDto>>> List(
-        [FromQuery] PageQuery query, [FromQuery] EntityStatus? status, CancellationToken ct)
-        => Ok(await _templates.ListAsync(query, status, ct));
-
-    [HttpGet("{templateId:int}")]
-    [ProducesResponseType(typeof(TemplateGraphDto), StatusCodes.Status200OK)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    public async Task<ActionResult<TemplateGraphDto>> GetById(int templateId, CancellationToken ct)
-    {
-        var result = await _templates.GetAsync(templateId, ct);
-        if (result is null) return NotFound();
-
-        SetETag(result.RowVersion);
-        return Ok(result.Value);
-    }
-
-    [HttpPost]
-    [ProducesResponseType(typeof(TemplateGraphDto), StatusCodes.Status201Created)]
-    [ProducesResponseType(StatusCodes.Status409Conflict)]
-    [ProducesResponseType(StatusCodes.Status422UnprocessableEntity)]
-    public async Task<ActionResult<TemplateGraphDto>> Create(
-        [FromBody] SaveTemplateRequest request, CancellationToken ct)
-    {
-        var result = await _templates.CreateAsync(request, ct);
-
-        SetETag(result.RowVersion);
-        return Created($"/api/v1/production-templates/{result.Value.TemplateId}", result.Value);
-    }
-
-    [HttpPut("{templateId:int}")]
-    [ProducesResponseType(typeof(TemplateGraphDto), StatusCodes.Status200OK)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    [ProducesResponseType(StatusCodes.Status409Conflict)]
-    [ProducesResponseType(StatusCodes.Status412PreconditionFailed)]
-    [ProducesResponseType(StatusCodes.Status422UnprocessableEntity)]
-    public async Task<ActionResult<TemplateGraphDto>> Update(
-        int templateId, [FromBody] SaveTemplateRequest request, CancellationToken ct)
-    {
-        var expected = RequireIfMatch();
-        var result = await _templates.UpdateAsync(templateId, request, expected, ct);
-
-        SetETag(result.RowVersion);
-        return Ok(result.Value);
-    }
-
-    [HttpPatch("{templateId:int}/status")]
-    [ProducesResponseType(StatusCodes.Status204NoContent)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    public async Task<IActionResult> SetStatus(
-        int templateId, [FromBody] UpdateTemplateStatusRequest request, CancellationToken ct)
-    {
-        await _templates.SetStatusAsync(templateId, request.Status, ct);
-        return NoContent();
-    }
-}

Backend/ERPCore/Controllers/SalesInvoicesController.cs

@@ -1,73 +0,0 @@
-using ERPCore.Domain.Enums;
-using ERPCore.Dtos.Common;
-using ERPCore.Dtos.Sales;
-using ERPCore.Services.Interfaces;
-using Microsoft.AspNetCore.Mvc;
-
-namespace ERPCore.Controllers;
-
-[Route("api/v1/sales-invoices")]
-public sealed class SalesInvoicesController : ApiControllerBase
-{
-    private readonly ISalesInvoiceService _invoices;
-
-    public SalesInvoicesController(ISalesInvoiceService invoices) => _invoices = invoices;
-
-    [HttpGet]
-    [ProducesResponseType(typeof(PagedResponse<SalesInvoiceSummaryDto>), StatusCodes.Status200OK)]
-    public async Task<ActionResult<PagedResponse<SalesInvoiceSummaryDto>>> List(
-        [FromQuery] PageQuery query,
-        [FromQuery] SalesInvoiceStatus? status,
-        [FromQuery] int? customerId,
-        [FromQuery] int? warehouseId,
-        CancellationToken ct)
-        => Ok(await _invoices.ListAsync(query, status, customerId, warehouseId, ct));
-
-    [HttpGet("{salesInvoiceId:int}")]
-    [ProducesResponseType(typeof(SalesInvoiceDto), StatusCodes.Status200OK)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    public async Task<ActionResult<SalesInvoiceDto>> GetById(int salesInvoiceId, CancellationToken ct)
-    {
-        var result = await _invoices.GetAsync(salesInvoiceId, ct);
-        if (result is null) return NotFound();
-        SetETag(result.RowVersion);
-        return Ok(result.Value);
-    }
-
-    [HttpGet("{salesInvoiceId:int}/posting-check")]
-    [ProducesResponseType(typeof(SalesInvoicePostingCheckDto), StatusCodes.Status200OK)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    public async Task<ActionResult<SalesInvoicePostingCheckDto>> PostingCheck(int salesInvoiceId, CancellationToken ct)
-        => Ok(await _invoices.CheckPostingAsync(salesInvoiceId, ct));
-
-    [HttpPost]
-    [ProducesResponseType(typeof(SalesInvoiceDto), StatusCodes.Status201Created)]
-    public async Task<ActionResult<SalesInvoiceDto>> Create([FromBody] CreateSalesInvoiceRequest request, CancellationToken ct)
-    {
-        var result = await _invoices.CreateAsync(request, ct);
-        SetETag(result.RowVersion);
-        return Created($"/api/v1/sales-invoices/{result.Value.SalesInvoiceId}", result.Value);
-    }
-
-    [HttpPut("{salesInvoiceId:int}")]
-    [ProducesResponseType(typeof(SalesInvoiceDto), StatusCodes.Status200OK)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    [ProducesResponseType(StatusCodes.Status412PreconditionFailed)]
-    public async Task<ActionResult<SalesInvoiceDto>> Update(int salesInvoiceId, [FromBody] UpdateSalesInvoiceRequest request, CancellationToken ct)
-    {
-        var expected = RequireIfMatch();
-        var result = await _invoices.UpdateAsync(salesInvoiceId, request, expected, ct);
-        SetETag(result.RowVersion);
-        return Ok(result.Value);
-    }
-
-    [HttpPost("{salesInvoiceId:int}/post")]
-    [ProducesResponseType(typeof(SalesInvoiceDto), StatusCodes.Status200OK)]
-    public async Task<ActionResult<SalesInvoiceDto>> Post(int salesInvoiceId, CancellationToken ct)
-        => Ok(await _invoices.PostAsync(salesInvoiceId, ct));
-
-    [HttpPost("{salesInvoiceId:int}/cancel")]
-    [ProducesResponseType(typeof(SalesInvoiceDto), StatusCodes.Status200OK)]
-    public async Task<ActionResult<SalesInvoiceDto>> Cancel(int salesInvoiceId, CancellationToken ct)
-        => Ok(await _invoices.CancelAsync(salesInvoiceId, ct));
-}

Backend/ERPCore/Controllers/SalesReportsController.cs

@@ -1,35 +0,0 @@
-using ERPCore.Dtos.Sales;
-using ERPCore.Services.Interfaces;
-using Microsoft.AspNetCore.Mvc;
-
-namespace ERPCore.Controllers;
-
-[Route("api/v1/reports/sales")]
-public sealed class SalesReportsController : ApiControllerBase
-{
-    private readonly ISalesReportService _reports;
-
-    public SalesReportsController(ISalesReportService reports) => _reports = reports;
-
-    [HttpGet]
-    [ProducesResponseType(typeof(IReadOnlyList<SalesReportDefinitionDto>), StatusCodes.Status200OK)]
-    public ActionResult<IReadOnlyList<SalesReportDefinitionDto>> ListReports()
-        => Ok(_reports.ListReports());
-
-    [HttpGet("{reportId}")]
-    [ProducesResponseType(typeof(SalesReportDefinitionDto), StatusCodes.Status200OK)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    public ActionResult<SalesReportDefinitionDto> GetReport(string reportId)
-    {
-        var report = _reports.GetReport(reportId);
-        return report is null ? NotFound() : Ok(report);
-    }
-
-    [HttpPost("query")]
-    [ProducesResponseType(typeof(SalesReportQueryResponse), StatusCodes.Status200OK)]
-    public async Task<ActionResult<SalesReportQueryResponse>> Query([FromBody] SalesReportQueryRequest request, CancellationToken ct)
-    {
-        var rows = await _reports.QueryAsync(request.ReportType, request.From, request.To, request.ItemId, request.CustomerId, request.WarehouseId, ct);
-        return Ok(new SalesReportQueryResponse(request.ReportType, request.From, request.To, rows));
-    }
-}

Backend/ERPCore/Controllers/SalesSlipPromotionsController.cs

@@ -1,22 +0,0 @@
-using ERPCore.Dtos.Sales;
-using ERPCore.Services.Interfaces;
-using Microsoft.AspNetCore.Mvc;
-
-namespace ERPCore.Controllers;
-
-[Route("api/v1/sales-slips/{salesSlipId:int}/free-issue-suggestions")]
-public sealed class SalesSlipPromotionsController : ApiControllerBase
-{
-    private readonly ISalesPromotionSuggestionService _suggestions;
-
-    public SalesSlipPromotionsController(ISalesPromotionSuggestionService suggestions) => _suggestions = suggestions;
-
-    [HttpGet]
-    [ProducesResponseType(typeof(SalesFreeIssueSuggestionDto), StatusCodes.Status200OK)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    public async Task<ActionResult<SalesFreeIssueSuggestionDto>> Get(int salesSlipId, CancellationToken ct)
-    {
-        var result = await _suggestions.GetFreeIssueSuggestionsAsync(salesSlipId, ct);
-        return result is null ? NotFound() : Ok(result);
-    }
-}

Backend/ERPCore/Controllers/SalesSlipsController.cs

@@ -1,73 +0,0 @@
-using ERPCore.Domain.Enums;
-using ERPCore.Dtos.Common;
-using ERPCore.Dtos.Sales;
-using ERPCore.Services.Interfaces;
-using Microsoft.AspNetCore.Mvc;
-
-namespace ERPCore.Controllers;
-
-[Route("api/v1/sales-slips")]
-public sealed class SalesSlipsController : ApiControllerBase
-{
-    private readonly ISalesSlipService _slips;
-
-    public SalesSlipsController(ISalesSlipService slips) => _slips = slips;
-
-    [HttpGet]
-    [ProducesResponseType(typeof(PagedResponse<SalesSlipSummaryDto>), StatusCodes.Status200OK)]
-    public async Task<ActionResult<PagedResponse<SalesSlipSummaryDto>>> List(
-        [FromQuery] PageQuery query,
-        [FromQuery] SalesSlipStatus? status,
-        [FromQuery] int? customerId,
-        [FromQuery] int? warehouseId,
-        CancellationToken ct)
-        => Ok(await _slips.ListAsync(query, status, customerId, warehouseId, ct));
-
-    [HttpGet("{salesSlipId:int}")]
-    [ProducesResponseType(typeof(SalesSlipDto), StatusCodes.Status200OK)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    public async Task<ActionResult<SalesSlipDto>> GetById(int salesSlipId, CancellationToken ct)
-    {
-        var result = await _slips.GetAsync(salesSlipId, ct);
-        if (result is null) return NotFound();
-        SetETag(result.RowVersion);
-        return Ok(result.Value);
-    }
-
-    [HttpGet("{salesSlipId:int}/posting-check")]
-    [ProducesResponseType(typeof(SalesSlipPostingCheckDto), StatusCodes.Status200OK)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    public async Task<ActionResult<SalesSlipPostingCheckDto>> PostingCheck(int salesSlipId, CancellationToken ct)
-        => Ok(await _slips.CheckPostingAsync(salesSlipId, ct));
-
-    [HttpPost]
-    [ProducesResponseType(typeof(SalesSlipDto), StatusCodes.Status201Created)]
-    public async Task<ActionResult<SalesSlipDto>> Create([FromBody] CreateSalesSlipRequest request, CancellationToken ct)
-    {
-        var result = await _slips.CreateAsync(request, ct);
-        SetETag(result.RowVersion);
-        return Created($"/api/v1/sales-slips/{result.Value.SalesSlipId}", result.Value);
-    }
-
-    [HttpPut("{salesSlipId:int}")]
-    [ProducesResponseType(typeof(SalesSlipDto), StatusCodes.Status200OK)]
-    [ProducesResponseType(StatusCodes.Status404NotFound)]
-    [ProducesResponseType(StatusCodes.Status412PreconditionFailed)]
-    public async Task<ActionResult<SalesSlipDto>> Update(int salesSlipId, [FromBody] UpdateSalesSlipRequest request, CancellationToken ct)
-    {
-        var expected = RequireIfMatch();
-        var result = await _slips.UpdateAsync(salesSlipId, request, expected, ct);
-        SetETag(result.RowVersion);
-        return Ok(result.Value);
-    }
-
-    [HttpPost("{salesSlipId:int}/post")]
-    [ProducesResponseType(typeof(SalesSlipDto), StatusCodes.Status200OK)]
-    public async Task<ActionResult<SalesSlipDto>> Post(int salesSlipId, CancellationToken ct)
-        => Ok(await _slips.PostAsync(salesSlipId, ct));
-
-    [HttpPost("{salesSlipId:int}/cancel")]
-    [ProducesResponseType(typeof(SalesSlipDto), StatusCodes.Status200OK)]
-    public async Task<ActionResult<SalesSlipDto>> Cancel(int salesSlipId, CancellationToken ct)
-        => Ok(await _slips.CancelAsync(salesSlipId, ct));
-}

Backend/ERPCore/Domain/DocumentTypes.cs

@@ -14,10 +14,4 @@ public static class DocumentTypes
     public const string Adjustment = "ADJ";
     public const string Count = "CNT";
     public const string PurchaseReturn = "PRET";
-
-    /// <summary>Production run (docs/30 FR-MFG-08) — <c>PRD-2026-00001</c>.</summary>
-    public const string Production = "PRD";
-    public const string SalesInvoice = "SI";
-    public const string SalesSlip = "SSL";
-    public const string BundleSale = "BND";
 }

Backend/ERPCore/Domain/Entities/BundleSale.cs

@@ -1,33 +0,0 @@
-using ERPCore.Domain.Enums;
-
-namespace ERPCore.Domain.Entities;
-
-public class BundleSale
-{
-    public int BundleSaleId { get; set; }
-    public string BundleNo { get; set; } = string.Empty;
-    public DateTime BundleDate { get; set; }
-    public int CustomerId { get; set; }
-    public Customer? Customer { get; set; }
-    public string CustomerSnapshotName { get; set; } = string.Empty;
-    public int WarehouseId { get; set; }
-    public Warehouse? Warehouse { get; set; }
-    public int CashierUserId { get; set; }
-    public User? CashierUser { get; set; }
-    public int BundleSaleTemplateId { get; set; }
-    public BundleSaleTemplate? BundleSaleTemplate { get; set; }
-    public string BundleName { get; set; } = string.Empty;
-    public string BundleCode { get; set; } = string.Empty;
-    public BundleSaleStatus Status { get; set; } = BundleSaleStatus.Draft;
-    public decimal ComponentSubtotal { get; set; }
-    public decimal BundlePrice { get; set; }
-    public decimal MarginAmount { get; set; }
-    public decimal DiscountTotal { get; set; }
-    public decimal TaxTotal { get; set; }
-    public decimal GrandTotal { get; set; }
-    public DateTime CreatedAt { get; set; }
-    public DateTime? UpdatedAt { get; set; }
-    public int ConcurrencyStamp { get; set; }
-
-    public ICollection<BundleSaleLine> Lines { get; set; } = new List<BundleSaleLine>();
-}

Backend/ERPCore/Domain/Entities/BundleSaleLine.cs

@@ -1,24 +0,0 @@
-using ERPCore.Domain.Enums;
-
-namespace ERPCore.Domain.Entities;
-
-public class BundleSaleLine
-{
-    public int BundleSaleLineId { get; set; }
-    public int BundleSaleId { get; set; }
-    public BundleSale? BundleSale { get; set; }
-
-    public int ItemId { get; set; }
-    public Item? Item { get; set; }
-    public string Description { get; set; } = string.Empty;
-    public decimal Qty { get; set; }
-    public int UomId { get; set; }
-    public Uom? Uom { get; set; }
-    public int WarehouseId { get; set; }
-    public Warehouse? Warehouse { get; set; }
-    public decimal UnitPrice { get; set; }
-    public decimal LineTotal { get; set; }
-    public bool IncludeInBundle { get; set; } = true;
-    public bool IsComponent { get; set; } = true;
-    public int? ParentLineId { get; set; }
-}

Backend/ERPCore/Domain/Entities/BundleSaleTemplate.cs

@@ -1,17 +0,0 @@
-using ERPCore.Domain.Enums;
-
-namespace ERPCore.Domain.Entities;
-
-public class BundleSaleTemplate
-{
-    public int BundleSaleTemplateId { get; set; }
-    public string TemplateCode { get; set; } = string.Empty;
-    public string TemplateName { get; set; } = string.Empty;
-    public string? Description { get; set; }
-    public EntityStatus Status { get; set; } = EntityStatus.Active;
-    public DateTime CreatedAt { get; set; }
-    public DateTime? UpdatedAt { get; set; }
-    public int ConcurrencyStamp { get; set; }
-
-    public ICollection<BundleSaleTemplateLine> Lines { get; set; } = new List<BundleSaleTemplateLine>();
-}

Backend/ERPCore/Domain/Entities/BundleSaleTemplateLine.cs

@@ -1,20 +0,0 @@
-namespace ERPCore.Domain.Entities;
-
-public class BundleSaleTemplateLine
-{
-    public int BundleSaleTemplateLineId { get; set; }
-    public int BundleSaleTemplateId { get; set; }
-    public BundleSaleTemplate? BundleSaleTemplate { get; set; }
-
-    public int ItemId { get; set; }
-    public Item? Item { get; set; }
-    public int UomId { get; set; }
-    public Uom? Uom { get; set; }
-    public int WarehouseId { get; set; }
-    public Warehouse? Warehouse { get; set; }
-
-    public decimal Qty { get; set; }
-    public decimal UnitPrice { get; set; }
-    public bool IncludeInBundle { get; set; } = true;
-    public int SortOrder { get; set; }
-}

Backend/ERPCore/Domain/Entities/Customer.cs

@@ -1,38 +0,0 @@
-using ERPCore.Domain.Enums;
-
-namespace ERPCore.Domain.Entities;
-
-/// <summary>
-/// Customer master for both B2B and B2C sales.
-/// Phase 1 keeps this lean: identity, contact, tax, credit, and default warehouse.
-/// </summary>
-public class Customer
-{
-    public int CustomerId { get; set; }
-    public string CustomerCode { get; set; } = string.Empty;
-    public CustomerType CustomerType { get; set; } = CustomerType.B2C;
-
-    public string Name { get; set; } = string.Empty;
-    public string? DisplayName { get; set; }
-    public string? Phone { get; set; }
-    public string? Email { get; set; }
-
-    public string? AddressLine1 { get; set; }
-    public string? AddressLine2 { get; set; }
-    public string? City { get; set; }
-    public string? Country { get; set; }
-
-    public string? TaxRegistrationNo { get; set; }
-    public decimal CreditLimit { get; set; }
-    public int CreditDays { get; set; }
-
-    public int? DefaultWarehouseId { get; set; }
-    public Warehouse? DefaultWarehouse { get; set; }
-
-    public EntityStatus Status { get; set; } = EntityStatus.Active;
-    public DateTime CreatedAt { get; set; }
-    public DateTime? UpdatedAt { get; set; }
-
-    /// <summary>PostgreSQL xmin-backed optimistic concurrency token (ETag source).</summary>
-    public uint RowVersion { get; set; }
-}

Backend/ERPCore/Domain/Entities/ProductionRun.cs

@@ -1,59 +0,0 @@
-using ERPCore.Domain.Enums;
-
-namespace ERPCore.Domain.Entities;
-
-/// <summary>
-/// One execution instance of a template (FR-MFG-08), numbered <c>PRD-2026-00001</c>.
-/// Every stage, input, output and edge is <b>copied</b> from the template at creation
-/// with quantities scaled by <see cref="ScaleFactor"/>, so a completed run stays
-/// readable even if the template is later edited (FR-MFG-06).
-/// <para>The run's <b>cost pool</b> is derived, never stored:
-/// <c>Σ RunStageInput.ConsumedValue − Σ RunStageInput.ReturnedValue</c>. The terminal
-/// approve divides it by the good quantity to cost the finished layer, then closes it
-/// (FR-MFG-13, <c>409 RUN_COST_CLOSED</c>).</para>
-/// Mutable aggregate with a <see cref="RowVersion"/> token. Model: docs/30 Part C.
-/// </summary>
-public class ProductionRun
-{
-    public int RunId { get; set; }
-    public string DocNo { get; set; } = string.Empty;
-
-    public int TemplateId { get; set; }
-    public ProductionTemplate? Template { get; set; }
-
-    /// <summary>Stock inputs are consumed from, and the finished good received into, this warehouse.</summary>
-    public int WarehouseId { get; set; }
-    public Warehouse? Warehouse { get; set; }
-
-    /// <summary>Optional destination bin for the finished goods. Reaches the ledger only — stock layers carry no bin.</summary>
-    public int? OutputBinId { get; set; }
-    public Bin? OutputBin { get; set; }
-
-    /// <summary>Target quantity of the finished item; drives <see cref="ScaleFactor"/>.</summary>
-    public decimal TargetQty { get; set; }
-
-    /// <summary><c>TargetQty / terminalOutput.QtyPerBatch</c>, applied to every copied quantity.</summary>
-    public decimal ScaleFactor { get; set; }
-
-    public ProductionRunStatus Status { get; set; } = ProductionRunStatus.InProgress;
-
-    /// <summary>Incremented by each terminal reject (FR-MFG-16); prior figures live in the event history.</summary>
-    public int ReworkCount { get; set; }
-
-    public int? CancelReasonCodeId { get; set; }
-    public ReasonCode? CancelReason { get; set; }
-
-    public int CreatedBy { get; set; }
-    public User? Creator { get; set; }
-
-    public DateTime CreatedAt { get; set; }
-
-    /// <summary>Set by the terminal approve only. A cancelled run leaves this null.</summary>
-    public DateTime? CompletedAt { get; set; }
-
-    public uint RowVersion { get; set; }
-
-    public ICollection<RunStage> Stages { get; set; } = new List<RunStage>();
-    public ICollection<RunEdge> Edges { get; set; } = new List<RunEdge>();
-    public ICollection<RunStageEvent> Events { get; set; } = new List<RunStageEvent>();
-}

Backend/ERPCore/Domain/Entities/ProductionTemplate.cs

@@ -1,43 +0,0 @@
-using ERPCore.Domain.Enums;
-
-namespace ERPCore.Domain.Entities;
-
-/// <summary>
-/// A reusable production-line definition — the stage graph designed on the canvas
-/// (FR-MFG-01). Never hard-deleted once referenced by a run; deactivated instead
-/// (FR-MD-08 posture). Editing is locked while any run of it is InProgress
-/// (FR-MFG-06, <c>409 TEMPLATE_IN_USE</c>) — edit-lock replaces versioning, which is
-/// why runs copy display fields at creation. Mutable aggregate with a
-/// <see cref="RowVersion"/> token. Model: docs/30 Part C.
-/// </summary>
-public class ProductionTemplate
-{
-    public int TemplateId { get; set; }
-    public string Code { get; set; } = string.Empty;
-    public string Name { get; set; } = string.Empty;
-    public string? Description { get; set; }
-
-    public EntityStatus Status { get; set; } = EntityStatus.Active;
-
-    /// <summary>
-    /// Canvas-only annotations (grouping boxes and divider lines) as a jsonb array, stored
-    /// verbatim and never interpreted server-side.
-    /// </summary>
-    /// <remarks>
-    /// Not in docs/30 Part C — added because the builder canvas already draws these and
-    /// without somewhere to keep them a save would silently discard the user's layout notes.
-    /// They carry no graph semantics: no ports, no edges, and the validator never sees them.
-    /// Nullable so a template that has none stores nothing rather than an empty array.
-    /// </remarks>
-    public string? Annotations { get; set; }
-
-    public int CreatedBy { get; set; }
-    public User? Creator { get; set; }
-
-    public DateTime CreatedAt { get; set; }
-    public uint RowVersion { get; set; }
-
-    public ICollection<TemplateStage> Stages { get; set; } = new List<TemplateStage>();
-    public ICollection<StageEdge> Edges { get; set; } = new List<StageEdge>();
-    public ICollection<ProductionRun> Runs { get; set; } = new List<ProductionRun>();
-}

Backend/ERPCore/Domain/Entities/RunEdge.cs

@@ -1,28 +0,0 @@
-namespace ERPCore.Domain.Entities;
-
-/// <summary>
-/// A parent → child arrow copied from the template's <see cref="StageEdge"/> set at run
-/// creation.
-/// <para><b>Addition to docs/30 Part C (recorded).</b> The doc's entity model has no run
-/// edge table, but the run graph needs its own copy: deriving edges at read time through
-/// <c>RunStage.TemplateStageId → STAGE_EDGE</c> would let a later template edit silently
-/// rewrite completed-run history — the exact thing FR-MFG-06 exists to prevent — and
-/// breaks outright once that link is nulled by a stage deletion.</para>
-/// <para>Used for the run canvas, child-readiness evaluation and reject-intake's
-/// "delivering parents". Note that <b>WIP delivery is routed by
-/// <c>RunStageInput.FromRunOutputId</c>, not by these edges</b> — an edge is display and
-/// validation only.</para>
-/// </summary>
-public class RunEdge
-{
-    public int RunEdgeId { get; set; }
-
-    public int RunId { get; set; }
-    public ProductionRun? Run { get; set; }
-
-    public int ParentRunStageId { get; set; }
-    public RunStage? ParentRunStage { get; set; }
-
-    public int ChildRunStageId { get; set; }
-    public RunStage? ChildRunStage { get; set; }
-}

Backend/ERPCore/Domain/Entities/RunStage.cs

@@ -1,59 +0,0 @@
-using ERPCore.Domain.Enums;
-
-namespace ERPCore.Domain.Entities;
-
-/// <summary>
-/// One stage of a run — a copy of a <see cref="TemplateStage"/> taken at run creation
-/// (FR-MFG-06), carrying its own live status and actual timings. Model: docs/30 Part C.
-/// <para><b>Whether this stage is terminal is derived</b>, never stored: a stage is
-/// terminal when it has no outbound <see cref="RunEdge"/>. Storing it would let it
-/// drift from the edge set.</para>
-/// </summary>
-public class RunStage
-{
-    public int RunStageId { get; set; }
-
-    public int RunId { get; set; }
-    public ProductionRun? Run { get; set; }
-
-    /// <summary>
-    /// Provenance link back to the template stage. <b>Nullable</b>: a template PUT may
-    /// delete a stage while completed/cancelled runs still reference it (the edit-lock
-    /// only blocks edits during InProgress runs), so the FK is <c>SET NULL</c> rather
-    /// than blocking the edit forever. Everything needed to display a historical run is
-    /// copied below, which is exactly what FR-MFG-06 anticipates.
-    /// </summary>
-    public int? TemplateStageId { get; set; }
-    public TemplateStage? TemplateStage { get; set; }
-
-    // --- copied from the template at run creation (FR-MFG-06) ---
-    public string Name { get; set; } = string.Empty;
-    public string? RoleLabel { get; set; }
-    public int EstimatedMinutes { get; set; }
-    public decimal PosX { get; set; }
-    public decimal PosY { get; set; }
-
-    public ProductionStageStatus Status { get; set; } = ProductionStageStatus.Waiting;
-
-    /// <summary>Stamped at start; preserved across a reject-intake rework so the original start stands (FR-MFG-19).</summary>
-    public DateTime? ActualStartAt { get; set; }
-    public DateTime? ActualEndAt { get; set; }
-
-    /// <summary>Copied from the template stage; definitions survive a rework.</summary>
-    public string FieldDefs { get; set; } = "[]";
-
-    /// <summary>Captured at complete as a jsonb object; cleared by a terminal reject so required fields are re-answered.</summary>
-    public string? FieldValues { get; set; }
-
-    /// <summary>
-    /// Concurrency token. Stage actions re-read the stage inside their transaction and
-    /// let this xmin check serialize concurrent requests — it is what stops two
-    /// simultaneous terminal approves from both reading <c>Done</c> and posting two
-    /// receipts. See the idempotency note in <c>ProductionRunService</c>.
-    /// </summary>
-    public uint RowVersion { get; set; }
-
-    public ICollection<RunStageInput> Inputs { get; set; } = new List<RunStageInput>();
-    public ICollection<RunStageOutput> Outputs { get; set; } = new List<RunStageOutput>();
-    public ICollection<RunStageEvent> Events { get; set; } = new List<RunStageEvent>();
-}

Backend/ERPCore/Domain/Entities/RunStageEvent.cs

@@ -1,40 +0,0 @@
-using ERPCore.Domain.Enums;
-
-namespace ERPCore.Domain.Entities;
-
-/// <summary>
-/// Immutable history of everything that happened to a run (docs/30 Part C). Written by
-/// every mutating action and never updated or deleted, so a run's story — including the
-/// figures discarded by each rework — survives in full.
-/// <para><b>Addition to docs/30 Part C (recorded):</b> <see cref="RunId"/>. The doc hangs
-/// events off the stage only, which leaves run-level events (cancel, terminal reject)
-/// with no home and forces the detail timeline to join through stages. Keeping both
-/// links makes <see cref="RunStageId"/> optional and the timeline a single query.</para>
-/// </summary>
-public class RunStageEvent
-{
-    public int EventId { get; set; }
-
-    public int RunId { get; set; }
-    public ProductionRun? Run { get; set; }
-
-    /// <summary>Null for run-level events (Cancel).</summary>
-    public int? RunStageId { get; set; }
-    public RunStage? RunStage { get; set; }
-
-    public RunStageEventType EventType { get; set; }
-
-    public string? Note { get; set; }
-
-    /// <summary>
-    /// Event-specific detail as jsonb — consumed layers on a Start, pulled-back
-    /// quantities on a RejectIntake, the full pre-rework snapshot on a TerminalReject.
-    /// Pre-serialized string, written only through <c>ProductionJson</c>.
-    /// </summary>
-    public string? Payload { get; set; }
-
-    public int UserId { get; set; }
-    public User? User { get; set; }
-
-    public DateTime CreatedAt { get; set; }
-}

Backend/ERPCore/Domain/Entities/RunStageInput.cs

@@ -1,55 +0,0 @@
-using ERPCore.Domain.Enums;
-
-namespace ERPCore.Domain.Entities;
-
-/// <summary>
-/// One input line of a run stage — a copy of a <see cref="StageInput"/> with its
-/// quantity scaled at creation, plus the live consumption/delivery figures.
-/// Model: docs/30 Part C.
-/// <para><b>Stock inputs</b> accumulate <see cref="ConsumedQty"/>/<see cref="ConsumedValue"/>
-/// at each start and <see cref="ReturnedQty"/>/<see cref="ReturnedValue"/> on leftover
-/// return or run cancel. Those four columns are the whole cost pool
-/// (<c>Σ consumed − Σ returned</c>) and are deliberately <b>not</b> reset by a terminal
-/// reject — already-consumed material stays in the pool (FR-MFG-16).</para>
-/// <para><b>Upstream inputs</b> accumulate <see cref="DeliveredQty"/> as parent stages
-/// transfer WIP in. The stage becomes Ready only when every upstream input has
-/// <c>DeliveredQty &gt;= PlannedQty</c> (FR-MFG-09, an all-parents join).</para>
-/// </summary>
-public class RunStageInput
-{
-    public int RunInputId { get; set; }
-
-    public int RunStageId { get; set; }
-    public RunStage? RunStage { get; set; }
-
-    public StageInputSource Source { get; set; }
-
-    public int? ItemId { get; set; }
-    public Item? Item { get; set; }
-
-    /// <summary>The parent output feeding this input. This — not <see cref="RunEdge"/> — is what routes a transfer.</summary>
-    public int? FromRunOutputId { get; set; }
-    public RunStageOutput? FromRunOutput { get; set; }
-
-    public int UomId { get; set; }
-    public Uom? Uom { get; set; }
-
-    /// <summary>Scaled at creation; per-run editable until the stage starts (FR-MFG-08, <c>409 STAGE_NOT_EDITABLE</c>).</summary>
-    public decimal PlannedQty { get; set; }
-
-    /// <summary>
-    /// Stock inputs only, in the item's <b>base</b> UOM. A start consumes
-    /// <c>max(0, PlannedQty − ConsumedQty)</c> and adds to these, so a rework restart
-    /// with an unchanged planned quantity consumes nothing and one with a raised planned
-    /// quantity consumes only the delta (FR-MFG-16).
-    /// </summary>
-    public decimal ConsumedQty { get; set; }
-    public decimal ConsumedValue { get; set; }
-
-    /// <summary>Upstream inputs only: accumulated by parent transfers.</summary>
-    public decimal DeliveredQty { get; set; }
-
-    /// <summary>Leftover returns (FR-MFG-14) and cancel returns (FR-MFG-17), at the consumed weighted cost.</summary>
-    public decimal ReturnedQty { get; set; }
-    public decimal ReturnedValue { get; set; }
-}

Backend/ERPCore/Domain/Entities/RunStageOutput.cs

@@ -1,43 +0,0 @@
-namespace ERPCore.Domain.Entities;
-
-/// <summary>
-/// One output line of a run stage — a copy of a <see cref="StageOutput"/> with its
-/// quantity scaled at creation, plus the live produced/scrapped/transferred figures.
-/// Model: docs/30 Part C.
-/// <para><b>Available to transfer is derived, never stored:</b>
-/// <c>ProducedQty − ScrappedQty − TransferredQty</c>. Every transfer path checks it and
-/// raises <c>422 TRANSFER_EXCEEDS_AVAILABLE</c> (FR-MFG-12).</para>
-/// <para>Scrap cost is <b>absorbed</b> into the run cost pool as normal yield loss — no
-/// write-off ledger entry is posted (FR-MFG-11).</para>
-/// </summary>
-public class RunStageOutput
-{
-    public int RunOutputId { get; set; }
-
-    public int RunStageId { get; set; }
-    public RunStage? RunStage { get; set; }
-
-    /// <summary>Null on intermediate (WIP) outputs; set on the terminal output — the finished good.</summary>
-    public int? ItemId { get; set; }
-    public Item? Item { get; set; }
-
-    public string Name { get; set; } = string.Empty;
-
-    public int UomId { get; set; }
-    public Uom? Uom { get; set; }
-
-    /// <summary>Scaled at creation; per-run editable until the stage starts.</summary>
-    public decimal PlannedQty { get; set; }
-
-    /// <summary>Recorded at complete. A re-complete after a rework <b>overwrites</b> this, never adds to it.</summary>
-    public decimal ProducedQty { get; set; }
-
-    public decimal ScrappedQty { get; set; }
-
-    /// <summary>Mandatory when <see cref="ScrappedQty"/> &gt; 0, context <c>Production</c> (FR-MFG-11).</summary>
-    public int? ScrapReasonCodeId { get; set; }
-    public ReasonCode? ScrapReason { get; set; }
-
-    /// <summary>Total WIP handed to children so far, across approve and any later partial transfers.</summary>
-    public decimal TransferredQty { get; set; }
-}

Backend/ERPCore/Domain/Entities/SalesInvoice.cs

@@ -1,41 +0,0 @@
-using ERPCore.Domain.Enums;
-
-namespace ERPCore.Domain.Entities;
-
-public class SalesInvoice
-{
-    public int SalesInvoiceId { get; set; }
-    public string InvoiceNo { get; set; } = string.Empty;
-    public DateTime InvoiceDate { get; set; }
-
-    public int CustomerId { get; set; }
-    public Customer? Customer { get; set; }
-
-    public string CustomerSnapshotName { get; set; } = string.Empty;
-    public string? CustomerSnapshotTaxNo { get; set; }
-
-    public int WarehouseId { get; set; }
-    public Warehouse? Warehouse { get; set; }
-
-    public SalesInvoiceType InvoiceType { get; set; } = SalesInvoiceType.B2C;
-    public SalesInvoiceStatus Status { get; set; } = SalesInvoiceStatus.Draft;
-
-    public decimal Subtotal { get; set; }
-    public decimal DiscountTotal { get; set; }
-    public decimal TaxTotal { get; set; }
-    public decimal GrandTotal { get; set; }
-    public decimal RoundOff { get; set; }
-    public decimal NetPayable { get; set; }
-    public decimal PaidAmount { get; set; }
-    public decimal BalanceAmount { get; set; }
-
-    public int CreatedBy { get; set; }
-    public User? Creator { get; set; }
-
-    public DateTime CreatedAt { get; set; }
-    public DateTime? UpdatedAt { get; set; }
-
-    public uint RowVersion { get; set; }
-
-    public ICollection<SalesInvoiceLine> Lines { get; set; } = new List<SalesInvoiceLine>();
-}

Backend/ERPCore/Domain/Entities/SalesInvoiceLine.cs

@@ -1,38 +0,0 @@
-using ERPCore.Domain.Enums;
-
-namespace ERPCore.Domain.Entities;
-
-public class SalesInvoiceLine
-{
-    public int SalesInvoiceLineId { get; set; }
-
-    public int SalesInvoiceId { get; set; }
-    public SalesInvoice? SalesInvoice { get; set; }
-
-    public int ItemId { get; set; }
-    public Item? Item { get; set; }
-
-    public string Description { get; set; } = string.Empty;
-
-    public decimal Qty { get; set; }
-    public decimal FreeQty { get; set; }
-    public int UomId { get; set; }
-    public Uom? Uom { get; set; }
-    public int WarehouseId { get; set; }
-    public Warehouse? Warehouse { get; set; }
-
-    public decimal UnitPrice { get; set; }
-    public decimal BaseCost { get; set; }
-    public string PriceSource { get; set; } = string.Empty;
-    public SalesDiscountMode DiscountMode { get; set; } = SalesDiscountMode.Percentage;
-    public decimal DiscountPct { get; set; }
-    public decimal DiscountAmount { get; set; }
-    public decimal NetUnitPrice { get; set; }
-    public decimal LineTotal { get; set; }
-    public decimal TaxPct { get; set; }
-    public decimal TaxAmount { get; set; }
-    public bool IsFreeIssue { get; set; }
-    public int? ParentLineId { get; set; }
-
-    public uint RowVersion { get; set; }
-}

Backend/ERPCore/Domain/Entities/SalesSlip.cs

@@ -1,36 +0,0 @@
-using ERPCore.Domain.Enums;
-
-namespace ERPCore.Domain.Entities;
-
-public class SalesSlip
-{
-    public int SalesSlipId { get; set; }
-    public string SlipNo { get; set; } = string.Empty;
-    public DateTime SlipDate { get; set; }
-
-    public int CustomerId { get; set; }
-    public Customer? Customer { get; set; }
-
-    public string CustomerSnapshotName { get; set; } = string.Empty;
-    public int WarehouseId { get; set; }
-    public Warehouse? Warehouse { get; set; }
-
-    public int CashierUserId { get; set; }
-    public User? CashierUser { get; set; }
-
-    public SalesSlipStatus Status { get; set; } = SalesSlipStatus.Draft;
-
-    public decimal Subtotal { get; set; }
-    public decimal DiscountTotal { get; set; }
-    public decimal TaxTotal { get; set; }
-    public decimal GrandTotal { get; set; }
-    public decimal PaidAmount { get; set; }
-    public decimal BalanceAmount { get; set; }
-
-    public DateTime CreatedAt { get; set; }
-    public DateTime? UpdatedAt { get; set; }
-
-    public uint RowVersion { get; set; }
-
-    public ICollection<SalesSlipLine> Lines { get; set; } = new List<SalesSlipLine>();
-}

Backend/ERPCore/Domain/Entities/SalesSlipLine.cs

@@ -1,38 +0,0 @@
-using ERPCore.Domain.Enums;
-
-namespace ERPCore.Domain.Entities;
-
-public class SalesSlipLine
-{
-    public int SalesSlipLineId { get; set; }
-
-    public int SalesSlipId { get; set; }
-    public SalesSlip? SalesSlip { get; set; }
-
-    public int ItemId { get; set; }
-    public Item? Item { get; set; }
-
-    public string Description { get; set; } = string.Empty;
-
-    public decimal Qty { get; set; }
-    public decimal FreeQty { get; set; }
-    public int UomId { get; set; }
-    public Uom? Uom { get; set; }
-    public int WarehouseId { get; set; }
-    public Warehouse? Warehouse { get; set; }
-
-    public decimal UnitPrice { get; set; }
-    public decimal BaseCost { get; set; }
-    public string PriceSource { get; set; } = string.Empty;
-    public SalesDiscountMode DiscountMode { get; set; } = SalesDiscountMode.Percentage;
-    public decimal DiscountPct { get; set; }
-    public decimal DiscountAmount { get; set; }
-    public decimal NetUnitPrice { get; set; }
-    public decimal LineTotal { get; set; }
-    public decimal TaxPct { get; set; }
-    public decimal TaxAmount { get; set; }
-    public bool IsFreeIssue { get; set; }
-    public int? ParentLineId { get; set; }
-
-    public uint RowVersion { get; set; }
-}

Backend/ERPCore/Domain/Entities/StageEdge.cs

@@ -1,21 +0,0 @@
-namespace ERPCore.Domain.Entities;
-
-/// <summary>
-/// A parent → child arrow on the template canvas. The edge set must form a DAG with
-/// at least one entry stage and exactly one terminal stage; that is enforced in
-/// <c>ProductionGraphValidator</c> on every save, not by the database (FR-MFG-02).
-/// Model: docs/30 Part C.
-/// </summary>
-public class StageEdge
-{
-    public int EdgeId { get; set; }
-
-    public int TemplateId { get; set; }
-    public ProductionTemplate? Template { get; set; }
-
-    public int ParentStageId { get; set; }
-    public TemplateStage? ParentStage { get; set; }
-
-    public int ChildStageId { get; set; }
-    public TemplateStage? ChildStage { get; set; }
-}

Backend/ERPCore/Domain/Entities/StageInput.cs

@@ -1,39 +0,0 @@
-using ERPCore.Domain.Enums;
-
-namespace ERPCore.Domain.Entities;
-
-/// <summary>
-/// One line of a stage's input formula (FR-MFG-04). Exactly one of the two source
-/// shapes applies, enforced by <c>ProductionGraphValidator</c>:
-/// <list type="bullet">
-/// <item><see cref="StageInputSource.Stock"/> — <see cref="ItemId"/> set,
-/// <see cref="FromOutputId"/> null. FIFO-consumed from the run warehouse at stage
-/// start. Allowed on <i>any</i> stage, e.g. packaging added late.</item>
-/// <item><see cref="StageInputSource.Upstream"/> — <see cref="FromOutputId"/> set to
-/// an output of a <b>direct parent</b> stage, <see cref="ItemId"/> null. Flows as
-/// internal WIP and never touches stock or the ledger.</item>
-/// </list>
-/// Model: docs/30 Part C.
-/// </summary>
-public class StageInput
-{
-    public int InputId { get; set; }
-
-    public int StageId { get; set; }
-    public TemplateStage? Stage { get; set; }
-
-    public StageInputSource Source { get; set; }
-
-    /// <summary>Required when <see cref="Source"/> is Stock; null when Upstream.</summary>
-    public int? ItemId { get; set; }
-    public Item? Item { get; set; }
-
-    /// <summary>Required when <see cref="Source"/> is Upstream; must belong to a direct parent.</summary>
-    public int? FromOutputId { get; set; }
-    public StageOutput? FromOutput { get; set; }
-
-    public int UomId { get; set; }
-    public Uom? Uom { get; set; }
-
-    public decimal QtyPerBatch { get; set; }
-}

Backend/ERPCore/Domain/Entities/StageOutput.cs

@@ -1,27 +0,0 @@
-namespace ERPCore.Domain.Entities;
-
-/// <summary>
-/// A named quantity produced by a stage (FR-MFG-05). Intermediate outputs are
-/// <b>internal WIP only</b> — <see cref="ItemId"/> is null, no stock and no ledger row
-/// is ever written for them. The terminal stage is the exception: it has exactly one
-/// output and that output <b>must</b> reference a real Item (the finished good), which
-/// is what the production receipt creates a layer for. Model: docs/30 Part C.
-/// </summary>
-public class StageOutput
-{
-    public int OutputId { get; set; }
-
-    public int StageId { get; set; }
-    public TemplateStage? Stage { get; set; }
-
-    /// <summary>Null on intermediate stages; required on the terminal stage.</summary>
-    public int? ItemId { get; set; }
-    public Item? Item { get; set; }
-
-    public string Name { get; set; } = string.Empty;
-
-    public int UomId { get; set; }
-    public Uom? Uom { get; set; }
-
-    public decimal QtyPerBatch { get; set; }
-}

Backend/ERPCore/Domain/Entities/TemplateStage.cs

@@ -1,36 +0,0 @@
-namespace ERPCore.Domain.Entities;
-
-/// <summary>
-/// One box on the template canvas (FR-MFG-03): a named step with a role label, an
-/// estimated duration, a formula (<see cref="Inputs"/> + <see cref="Outputs"/>) and
-/// custom field definitions. Model: docs/30 Part C.
-/// </summary>
-public class TemplateStage
-{
-    public int StageId { get; set; }
-
-    public int TemplateId { get; set; }
-    public ProductionTemplate? Template { get; set; }
-
-    public string Name { get; set; } = string.Empty;
-
-    /// <summary>Free text (e.g. "QA"). Informational only this phase — never enforced (FR-X-01).</summary>
-    public string? RoleLabel { get; set; }
-
-    public int EstimatedMinutes { get; set; }
-
-    /// <summary>Canvas coordinates — stored verbatim, never interpreted server-side (FR-MFG-03).</summary>
-    public decimal PosX { get; set; }
-    public decimal PosY { get; set; }
-
-    /// <summary>
-    /// Custom field definitions as jsonb: <c>[{ key, label, type, options?, required }]</c>
-    /// (FR-MFG-07). Held as a pre-serialized string, matching the <c>AuditLog.ChangeSet</c>
-    /// precedent; always written through <c>ProductionJson</c> so the column can only ever
-    /// hold canonical JSON.
-    /// </summary>
-    public string FieldDefs { get; set; } = "[]";
-
-    public ICollection<StageInput> Inputs { get; set; } = new List<StageInput>();
-    public ICollection<StageOutput> Outputs { get; set; } = new List<StageOutput>();
-}

Backend/ERPCore/Domain/Enums/BundleSaleStatus.cs

@@ -1,8 +0,0 @@
-namespace ERPCore.Domain.Enums;
-
-public enum BundleSaleStatus
-{
-    Draft = 0,
-    Posted = 1,
-    Cancelled = 2
-}

Backend/ERPCore/Domain/Enums/CustomFieldType.cs

@@ -1,16 +0,0 @@
-namespace ERPCore.Domain.Enums;
-
-/// <summary>
-/// Input type of a stage custom field (FR-MFG-07; docs/30 §D.5 <c>fieldType</c>).
-/// Lives inside the <c>field_defs</c> jsonb rather than a column, but is modelled as an
-/// enum so a bad value is rejected at the DTO boundary instead of reaching the database.
-/// <see cref="Select"/> is the only type that reads <c>options</c>.
-/// </summary>
-public enum CustomFieldType
-{
-    Text,
-    Number,
-    Checkbox,
-    Date,
-    Select
-}

Backend/ERPCore/Domain/Enums/CustomerType.cs

@@ -1,8 +0,0 @@
-namespace ERPCore.Domain.Enums;
-
-public enum CustomerType
-{
-    B2B = 1,
-    B2C = 2,
-    WalkIn = 3
-}

Backend/ERPCore/Domain/Enums/ProductionRunStatus.cs

@@ -1,14 +0,0 @@
-namespace ERPCore.Domain.Enums;
-
-/// <summary>
-/// Lifecycle of a production run (docs/30 §B.4, §D.5). A run is created
-/// <see cref="InProgress"/> and reaches exactly one final state: it completes at the
-/// terminal stage's approve (production receipt, FR-MFG-13) or is cancelled with a
-/// stock return (FR-MFG-17). Stored as a string.
-/// </summary>
-public enum ProductionRunStatus
-{
-    InProgress,
-    Completed,
-    Cancelled
-}

Backend/ERPCore/Domain/Enums/ProductionStageStatus.cs

@@ -1,22 +0,0 @@
-namespace ERPCore.Domain.Enums;
-
-/// <summary>
-/// Status of one stage within a production run (docs/30 §B.4, §D.5).
-/// <code>
-/// Waiting ──(all upstream inputs fully delivered)──▶ Ready
-/// Ready ──start (FIFO-consume Stock inputs)──▶ InProgress
-/// InProgress ──complete (produced/scrap/fields)──▶ Done
-/// Done ──approve──▶ Approved   (non-terminal: WIP transfers out; terminal: receipt)
-/// </code>
-/// Rejection is not a resting state (FR-MFG-15/16): a reject immediately produces a
-/// rework transition back into this set and is recorded as a
-/// <see cref="RunStageEventType"/> instead. Stored as a string.
-/// </summary>
-public enum ProductionStageStatus
-{
-    Waiting,
-    Ready,
-    InProgress,
-    Done,
-    Approved
-}

Backend/ERPCore/Domain/Enums/ReasonContext.cs

@@ -5,8 +5,5 @@ public enum ReasonContext
 {
     Adjustment,
     Return,
-    Count,
+    Count
-
-    /// <summary>Manufacturing: scrap, leftover return, run cancel (docs/30 §A.2).</summary>
-    Production
 }

Backend/ERPCore/Domain/Enums/RunStageEventType.cs

@@ -1,20 +0,0 @@
-namespace ERPCore.Domain.Enums;
-
-/// <summary>
-/// Kind of entry in a run's immutable history (docs/30 Part C, <c>RUN_STAGE_EVENT</c>).
-/// Every mutating action on a run writes exactly one event carrying who/when plus a
-/// jsonb payload; <see cref="TerminalReject"/> additionally snapshots the whole run's
-/// figures for the rework pass being discarded (FR-MFG-16). Stored as a string.
-/// </summary>
-public enum RunStageEventType
-{
-    Start,
-    Complete,
-    Approve,
-    Transfer,
-    RejectIntake,
-    TerminalReject,
-    LeftoverReturn,
-    Cancel,
-    QuantityEdit
-}

Backend/ERPCore/Domain/Enums/SalesDiscountMode.cs

@@ -1,7 +0,0 @@
-namespace ERPCore.Domain.Enums;
-
-public enum SalesDiscountMode
-{
-    Percentage = 1,
-    Amount = 2
-}

Backend/ERPCore/Domain/Enums/SalesInvoiceStatus.cs

@@ -1,8 +0,0 @@
-namespace ERPCore.Domain.Enums;
-
-public enum SalesInvoiceStatus
-{
-    Draft = 1,
-    Posted = 2,
-    Cancelled = 3
-}

Backend/ERPCore/Domain/Enums/SalesInvoiceType.cs

@@ -1,9 +0,0 @@
-namespace ERPCore.Domain.Enums;
-
-public enum SalesInvoiceType
-{
-    B2B = 1,
-    B2C = 2,
-    Cash = 3,
-    Credit = 4
-}

Backend/ERPCore/Domain/Enums/SalesSlipStatus.cs

@@ -1,8 +0,0 @@
-namespace ERPCore.Domain.Enums;
-
-public enum SalesSlipStatus
-{
-    Draft = 1,
-    Posted = 2,
-    Cancelled = 3
-}

Backend/ERPCore/Domain/Enums/StageInputSource.cs

@@ -1,14 +0,0 @@
-namespace ERPCore.Domain.Enums;
-
-/// <summary>
-/// Where a stage input's material comes from (FR-MFG-04; docs/30 §D.5).
-/// <see cref="Stock"/> inputs reference an Item and are FIFO-consumed from the run
-/// warehouse when the stage starts. <see cref="Upstream"/> inputs reference a direct
-/// parent stage's output and flow as internal WIP — they never touch the ledger.
-/// Stored as a string.
-/// </summary>
-public enum StageInputSource
-{
-    Stock,
-    Upstream
-}

Backend/ERPCore/Domain/LedgerSourceTypes.cs

@@ -1,34 +0,0 @@
-namespace ERPCore.Domain;
-
-/// <summary>
-/// Additional <c>STOCK_LEDGER.source_doc_type</c> values for manufacturing movements
-/// (docs/30 §A.2). <c>source_doc_id</c> is always the <c>run_id</c>, so
-/// <c>LIKE 'PRD%'</c> traces every stock movement a run caused.
-/// </summary>
-/// <remarks>
-/// <para><b>Deviation from docs/30 §A.2 (recorded).</b> The doc proposes the long names
-/// <c>ProductionIssue</c>/<c>ProductionReceipt</c>/<c>ProductionReturn</c>/
-/// <c>ProductionCancelReturn</c>, but both <c>stock_ledger.SourceDocType</c> and
-/// <c>journal_entry_stubs.SourceDocType</c> are <c>varchar(10)</c> and every existing
-/// value is a short prefix (<c>GRN</c>, <c>TRF</c>, <c>ADJ</c>, <c>PRET</c>). Widening
-/// those columns would be a second Phase-1 schema change beyond the single deviation
-/// §A.1 declares (NFR-08), so the short codes below extend the existing convention
-/// instead. docs/30 §A.2 and §D.5 are amended to match.</para>
-/// <para>These are <b>not</b> <see cref="DocumentTypes"/> entries — production issues no
-/// document per movement. The run's own document number uses
-/// <see cref="DocumentTypes.Production"/> (<c>PRD-2026-00001</c>).</para>
-/// </remarks>
-public static class LedgerSourceTypes
-{
-    /// <summary>Stock consumed by a stage start (FR-MFG-10). Outbound.</summary>
-    public const string ProductionIssue = "PRDI";
-
-    /// <summary>Finished goods received at the terminal approve (FR-MFG-13). Inbound.</summary>
-    public const string ProductionReceipt = "PRDR";
-
-    /// <summary>Unconsumed material returned before receipt (FR-MFG-14). Inbound.</summary>
-    public const string ProductionReturn = "PRDL";
-
-    /// <summary>Net consumed stock returned when a run is cancelled (FR-MFG-17). Inbound.</summary>
-    public const string ProductionCancelReturn = "PRDC";
-}

Backend/ERPCore/Dtos/Customers/CustomerDtos.cs

@@ -1,66 +0,0 @@
-using System.ComponentModel.DataAnnotations;
-using ERPCore.Domain.Enums;
-
-namespace ERPCore.Dtos.Customers;
-
-/// <summary>Customer resource used by sales documents.</summary>
-public sealed record CustomerDto(
-    int CustomerId,
-    string CustomerCode,
-    CustomerType CustomerType,
-    string Name,
-    string? DisplayName,
-    string? Phone,
-    string? Email,
-    string? AddressLine1,
-    string? AddressLine2,
-    string? City,
-    string? Country,
-    string? TaxRegistrationNo,
-    decimal CreditLimit,
-    int CreditDays,
-    int? DefaultWarehouseId,
-    EntityStatus Status,
-    DateTime CreatedAt,
-    DateTime? UpdatedAt);
-
-public sealed class CreateCustomerRequest
-{
-    [Required, StringLength(50)] public string CustomerCode { get; set; } = string.Empty;
-    [Required, EnumDataType(typeof(CustomerType))] public CustomerType CustomerType { get; set; } = CustomerType.B2C;
-    [Required, StringLength(200)] public string Name { get; set; } = string.Empty;
-    [StringLength(200)] public string? DisplayName { get; set; }
-    [StringLength(30)] public string? Phone { get; set; }
-    [StringLength(100)] public string? Email { get; set; }
-    [StringLength(250)] public string? AddressLine1 { get; set; }
-    [StringLength(250)] public string? AddressLine2 { get; set; }
-    [StringLength(100)] public string? City { get; set; }
-    [StringLength(100)] public string? Country { get; set; }
-    [StringLength(50)] public string? TaxRegistrationNo { get; set; }
-    [Range(0, double.MaxValue)] public decimal CreditLimit { get; set; }
-    [Range(0, int.MaxValue)] public int CreditDays { get; set; }
-    public int? DefaultWarehouseId { get; set; }
-}
-
-public sealed class UpdateCustomerRequest
-{
-    [Required, StringLength(50)] public string CustomerCode { get; set; } = string.Empty;
-    [Required, EnumDataType(typeof(CustomerType))] public CustomerType CustomerType { get; set; } = CustomerType.B2C;
-    [Required, StringLength(200)] public string Name { get; set; } = string.Empty;
-    [StringLength(200)] public string? DisplayName { get; set; }
-    [StringLength(30)] public string? Phone { get; set; }
-    [StringLength(100)] public string? Email { get; set; }
-    [StringLength(250)] public string? AddressLine1 { get; set; }
-    [StringLength(250)] public string? AddressLine2 { get; set; }
-    [StringLength(100)] public string? City { get; set; }
-    [StringLength(100)] public string? Country { get; set; }
-    [StringLength(50)] public string? TaxRegistrationNo { get; set; }
-    [Range(0, double.MaxValue)] public decimal CreditLimit { get; set; }
-    [Range(0, int.MaxValue)] public int CreditDays { get; set; }
-    public int? DefaultWarehouseId { get; set; }
-}
-
-public sealed class UpdateCustomerStatusRequest
-{
-    [Required, EnumDataType(typeof(EntityStatus))] public EntityStatus Status { get; set; }
-}

Backend/ERPCore/Dtos/Production/RunDtos.cs

@@ -1,113 +0,0 @@
-using System.ComponentModel.DataAnnotations;
-using System.Text.Json;
-using ERPCore.Domain.Enums;
-
-namespace ERPCore.Dtos.Production;
-
-// Production run contract (docs/30-BACKEND-PHASE2.md §D.2–D.3).
-//
-// Statuses are never client-settable (02-SECURITY §B.6): a run's status and every stage
-// status move only through the stage-action endpoints. Requests here carry quantities and
-// references, nothing else.
-
-// --- responses ---------------------------------------------------------------
-
-/// <summary>Per-status stage counts driving the board's progress strip (FR-MFG-18, docs/21 §3).</summary>
-public sealed record StageSummaryDto(int Waiting, int Ready, int InProgress, int Done, int Approved);
-
-/// <summary>Row on the run board (docs/30 §D.2 <c>GET /production-runs</c>).</summary>
-public sealed record RunSummaryDto(
-    int RunId, string DocNo, int TemplateId, string TemplateName,
-    decimal TargetQty, ProductionRunStatus Status, int ReworkCount,
-    StageSummaryDto StageSummary, int WarehouseId,
-    int? FinishedItemId, string? FinishedItemName,
-    int CreatedBy, DateTime CreatedAt, DateTime? CompletedAt);
-
-/// <summary>
-/// The run cost pool (FR-MFG-13). Always derived from the stage inputs, never stored —
-/// surfaced so the UI can preview the finished unit cost before approving the terminal.
-/// </summary>
-public sealed record CostPoolDto(decimal Consumed, decimal Returned, decimal Net);
-
-public sealed record RunStageInputDto(
-    int RunInputId, StageInputSource Source, int? ItemId, int? FromRunOutputId, int UomId,
-    decimal PlannedQty, decimal ConsumedQty, decimal ConsumedValue,
-    decimal DeliveredQty, decimal ReturnedQty, decimal ReturnedValue);
-
-/// <summary>
-/// One output of a run stage. <c>AvailableToTransfer</c> is derived — produced − scrapped −
-/// transferred (FR-MFG-12) — and never stored.
-/// </summary>
-public sealed record RunStageOutputDto(
-    int RunOutputId, int? ItemId, string Name, int UomId,
-    decimal PlannedQty, decimal ProducedQty, decimal ScrappedQty, int? ScrapReasonCodeId,
-    decimal TransferredQty, decimal AvailableToTransfer);
-
-/// <summary>
-/// One stage of a run. <c>IsTerminal</c> (no outbound edge) and <c>IsEntry</c> (no inbound
-/// edge) are derived from the run edge set rather than stored, so they cannot drift from it.
-/// <c>ActualMinutes</c> is the elapsed whole minutes once the stage has finished, null while
-/// it is still running (FR-MFG-19). <c>FieldValues</c> is the raw jsonb captured at complete,
-/// passed through verbatim.
-/// </summary>
-public sealed record RunStageDto(
-    int RunStageId, int? TemplateStageId, string Name, string? RoleLabel,
-    int EstimatedMinutes, decimal PosX, decimal PosY,
-    ProductionStageStatus Status, bool IsTerminal, bool IsEntry,
-    DateTime? ActualStartAt, DateTime? ActualEndAt, int? ActualMinutes,
-    IReadOnlyList<FieldDefDto> FieldDefs, JsonElement? FieldValues,
-    IReadOnlyList<RunStageInputDto> Inputs, IReadOnlyList<RunStageOutputDto> Outputs);
-
-public sealed record RunEdgeDto(int RunEdgeId, int ParentRunStageId, int ChildRunStageId);
-
-public sealed record RunEventDto(
-    int EventId, int? RunStageId, RunStageEventType EventType, string? Note,
-    JsonElement? Payload, int UserId, DateTime CreatedAt);
-
-/// <summary>Full run graph (docs/30 §D.2 <c>GET /production-runs/{id}</c>).</summary>
-public sealed record RunGraphDto(
-    int RunId, string DocNo, int TemplateId, string TemplateName,
-    int WarehouseId, int? OutputBinId,
-    decimal TargetQty, decimal ScaleFactor,
-    ProductionRunStatus Status, int ReworkCount, int? CancelReasonCodeId,
-    CostPoolDto CostPool,
-    IReadOnlyList<RunStageDto> Stages, IReadOnlyList<RunEdgeDto> Edges, IReadOnlyList<RunEventDto> Events,
-    int CreatedBy, DateTime CreatedAt, DateTime? CompletedAt);
-
-// --- requests ----------------------------------------------------------------
-
-public sealed class CreateRunRequest
-{
-    [Range(1, int.MaxValue)]
-    public int TemplateId { get; set; }
-
-    /// <summary>Quantity of the finished item; drives the whole graph's scale factor (FR-MFG-08).</summary>
-    [Range(0.0001, double.MaxValue)]
-    public decimal TargetQty { get; set; }
-
-    [Range(1, int.MaxValue)]
-    public int WarehouseId { get; set; }
-
-    /// <summary>Optional bin for the finished goods; must belong to <see cref="WarehouseId"/>.</summary>
-    public int? OutputBinId { get; set; }
-}
-
-/// <summary>
-/// Per-run scaling override (FR-MFG-08). Only accepted while the stage has not started
-/// (<c>409 STAGE_NOT_EDITABLE</c>).
-/// </summary>
-public sealed class UpdateStageQuantitiesRequest
-{
-    public List<StageQuantityLine> Inputs { get; set; } = new();
-    public List<StageQuantityLine> Outputs { get; set; } = new();
-}
-
-public sealed class StageQuantityLine
-{
-    /// <summary>The <c>runInputId</c> or <c>runOutputId</c> being adjusted.</summary>
-    [Range(1, int.MaxValue)]
-    public int Id { get; set; }
-
-    [Range(0.0001, double.MaxValue)]
-    public decimal PlannedQty { get; set; }
-}

Backend/ERPCore/Dtos/Production/StageActionDtos.cs

@@ -1,177 +0,0 @@
-using System.ComponentModel.DataAnnotations;
-using System.Text.Json;
-using ERPCore.Domain.Enums;
-
-namespace ERPCore.Dtos.Production;
-
-// Stage-action contract (docs/30-BACKEND-PHASE2.md §D.3). Every action is transactional,
-// guards on the stage's current status, and returns the refreshed stage plus whatever
-// stock effects it caused.
-
-// --- start -------------------------------------------------------------------
-
-/// <summary>One FIFO layer a stage start drew from, at that layer's cost.</summary>
-public sealed record ConsumedLayerDto(int LayerId, decimal Qty, decimal UnitCost);
-
-/// <summary>What a single Stock input consumed at start (FR-MFG-10).</summary>
-public sealed record ConsumedInputDto(
-    int RunInputId, int ItemId, decimal Qty, decimal Value, IReadOnlyList<ConsumedLayerDto> ConsumedLayers);
-
-public sealed record StartStageResultDto(
-    int RunStageId, ProductionStageStatus Status, DateTime? ActualStartAt,
-    IReadOnlyList<ConsumedInputDto> Consumed, IReadOnlyList<int> LedgerRefs,
-    RunStageDto Stage);
-
-// --- complete ----------------------------------------------------------------
-
-public sealed class CompleteStageRequest
-{
-    [Required, MinLength(1)]
-    public List<CompleteOutputLine> Outputs { get; set; } = new();
-
-    /// <summary>
-    /// Values for the stage's custom fields, keyed by <c>fieldDefs[].key</c>. Every field
-    /// marked required must be present and non-empty (<c>400 REQUIRED_FIELD_MISSING</c>).
-    /// </summary>
-    public JsonElement? FieldValues { get; set; }
-}
-
-public sealed class CompleteOutputLine
-{
-    [Range(1, int.MaxValue)]
-    public int RunOutputId { get; set; }
-
-    [Range(0, double.MaxValue)]
-    public decimal ProducedQty { get; set; }
-
-    [Range(0, double.MaxValue)]
-    public decimal ScrappedQty { get; set; }
-
-    /// <summary>Mandatory once <see cref="ScrappedQty"/> &gt; 0; must be a Production reason.</summary>
-    public int? ScrapReasonCodeId { get; set; }
-}
-
-// --- approve / transfer ------------------------------------------------------
-
-/// <summary>
-/// One WIP hand-off from a parent output to a child input. Deliveries route by
-/// <c>fromRunOutputId</c>, not by edge — see the note on <c>RunEdge</c>.
-/// </summary>
-public sealed record TransferDto(
-    int RunOutputId, int RunInputId, int ChildRunStageId, decimal Qty,
-    decimal ChildDeliveredQty, ProductionStageStatus ChildStatus);
-
-/// <summary>The finished-goods layer a terminal approve created (FR-MFG-13).</summary>
-public sealed record ReceiptDto(
-    int LayerId, int ItemId, int WarehouseId, int? BinId,
-    decimal QtyReceived, decimal UnitCost, decimal Value);
-
-public sealed record ApproveStageResultDto(
-    int RunStageId, ProductionStageStatus Status, ProductionRunStatus RunStatus,
-    IReadOnlyList<TransferDto> Transfers,
-    ReceiptDto? Receipt, CostPoolDto? CostPool, IReadOnlyList<int> LedgerRefs,
-    RunStageDto Stage);
-
-public sealed class ApproveStageRequest
-{
-    /// <summary>
-    /// Optional partial transfers. Omitted or empty means transfer the full available
-    /// quantity of every output (FR-MFG-12).
-    /// </summary>
-    public List<TransferLine> Transfers { get; set; } = new();
-}
-
-public sealed class TransferLine
-{
-    [Range(1, int.MaxValue)]
-    public int RunOutputId { get; set; }
-
-    [Range(0.0001, double.MaxValue)]
-    public decimal Qty { get; set; }
-
-    /// <summary>
-    /// Optional explicit target. When an output feeds several child inputs the server
-    /// otherwise fills them in <c>runInputId</c> order; naming one removes the ambiguity.
-    /// </summary>
-    public int? RunInputId { get; set; }
-}
-
-public sealed class TransferRemainderRequest
-{
-    [Range(1, int.MaxValue)]
-    public int RunOutputId { get; set; }
-
-    [Range(0.0001, double.MaxValue)]
-    public decimal Qty { get; set; }
-
-    public int? RunInputId { get; set; }
-}
-
-public sealed record TransferResultDto(
-    int RunStageId, IReadOnlyList<TransferDto> Transfers, RunStageDto Stage);
-
-// --- leftover return ---------------------------------------------------------
-
-public sealed class ReturnLeftoverRequest
-{
-    /// <summary>
-    /// Quantity to return, in the item's <b>base</b> UOM — the same unit
-    /// <c>consumedQty</c>/<c>returnedQty</c> are stored in, since the return posts straight
-    /// to stock. Cannot exceed consumed − already returned.
-    /// </summary>
-    [Range(0.0001, double.MaxValue)]
-    public decimal Qty { get; set; }
-
-    /// <summary>Mandatory, and must be a Production-context reason (FR-MFG-14).</summary>
-    public int? ReasonCodeId { get; set; }
-}
-
-public sealed record ProductionCreatedLayerDto(int LayerId, decimal UnitCost);
-
-public sealed record ReturnLeftoverResultDto(
-    int RunInputId, decimal ReturnedQty, decimal ReturnedValue,
-    ProductionCreatedLayerDto CreatedLayer, IReadOnlyList<int> LedgerRefs, CostPoolDto CostPool);
-
-// --- rejection / rework ------------------------------------------------------
-
-public sealed class RejectRequest
-{
-    [StringLength(500)]
-    public string? Note { get; set; }
-}
-
-/// <summary>One parent whose delivered work was pulled back by a reject-intake (FR-MFG-15).</summary>
-public sealed record PulledBackDto(
-    int RunInputId, int ParentRunStageId, int ParentRunOutputId,
-    decimal Qty, ProductionStageStatus PriorParentStatus, ProductionStageStatus ParentStatus);
-
-public sealed record RejectIntakeResultDto(
-    int RunStageId, ProductionStageStatus Status,
-    IReadOnlyList<PulledBackDto> PulledBack, RunGraphDto Run);
-
-public sealed record TerminalRejectResultDto(
-    int RunStageId, int ReworkCount, RunGraphDto Run);
-
-// --- cancel ------------------------------------------------------------------
-
-public sealed class CancelRunRequest
-{
-    public int? ReasonCodeId { get; set; }
-
-    [StringLength(500)]
-    public string? Note { get; set; }
-}
-
-public sealed record CancelReturnDto(int ItemId, decimal Qty, decimal UnitCost, int LayerId);
-
-/// <summary>
-/// Scrapped output quantities written off by a cancel. Recorded on the event only — scrap
-/// sits on outputs, which never entered stock, so there is nothing to return (FR-MFG-17).
-/// </summary>
-public sealed record ScrapWriteOffDto(int RunOutputId, string Name, decimal Qty);
-
-public sealed record CancelRunResultDto(
-    int RunId, ProductionRunStatus Status,
-    IReadOnlyList<CancelReturnDto> Returns,
-    IReadOnlyList<ScrapWriteOffDto> ScrappedWrittenOff,
-    IReadOnlyList<int> LedgerRefs);

Backend/ERPCore/Dtos/Production/TemplateDtos.cs

@@ -1,177 +0,0 @@
-using System.ComponentModel.DataAnnotations;
-using ERPCore.Domain.Enums;
-
-namespace ERPCore.Dtos.Production;
-
-// Production template contract (docs/30-BACKEND-PHASE2.md §D.1).
-//
-// The `Key` vocabulary: every stage and every output carries a client-facing string key
-// alongside its database id. On a GET the key IS the stringified id; on a save the client
-// echoes those keys back for rows it kept and mints "tmp-<uuid>" keys for rows it just
-// drew. Edges and Upstream inputs then reference stages/outputs *by key* only, which is
-// what lets one payload shape — and one validator — serve both POST (nothing has an id
-// yet) and PUT (most things do).
-
-// --- responses ---------------------------------------------------------------
-
-/// <summary>
-/// Row on the template list (docs/30 §D.1 <c>GET /production-templates</c>).
-/// </summary>
-/// <remarks>
-/// <c>StageNames</c> is an addition to the documented shape. The template overview is a
-/// canvas showing every template as a production line with its stages left-to-right
-/// (docs/21 §1), so it needs the names for every listed row — without them the client would
-/// have to fetch each template's full graph just to label the boxes. Ordered by stage id,
-/// matching the graph endpoint.
-/// </remarks>
-public sealed record TemplateSummaryDto(
-    int TemplateId, string Code, string Name, EntityStatus Status,
-    int StageCount, IReadOnlyList<string> StageNames,
-    int ActiveRunCount, int CreatedBy, DateTime CreatedAt);
-
-/// <summary>One custom field definition, serialized verbatim into the stage's <c>field_defs</c> jsonb.</summary>
-public sealed record FieldDefDto(
-    string Key, string Label, CustomFieldType Type, IReadOnlyList<string>? Options, bool Required);
-
-public sealed record StageInputDto(
-    int InputId, StageInputSource Source, int? ItemId,
-    int? FromOutputId, string? FromOutputKey, int UomId, decimal QtyPerBatch);
-
-public sealed record StageOutputDto(
-    int OutputId, string Key, int? ItemId, string Name, int UomId, decimal QtyPerBatch);
-
-public sealed record TemplateStageDto(
-    int StageId, string Key, string Name, string? RoleLabel, int EstimatedMinutes,
-    decimal PosX, decimal PosY, IReadOnlyList<FieldDefDto> FieldDefs,
-    IReadOnlyList<StageInputDto> Inputs, IReadOnlyList<StageOutputDto> Outputs);
-
-public sealed record TemplateEdgeDto(
-    int EdgeId, int ParentStageId, int ChildStageId, string ParentKey, string ChildKey);
-
-/// <summary>
-/// A canvas-only grouping box or divider line. Round-tripped verbatim: no server-side
-/// meaning whatsoever, and invisible to the graph validator.
-/// </summary>
-public sealed record CanvasAnnotationDto(
-    string Kind, decimal PosX, decimal PosY, decimal Width, decimal Height,
-    string? Label, decimal? Rotation);
-
-/// <summary>Full graph (docs/30 §D.1 <c>GET /production-templates/{id}</c>).</summary>
-/// <remarks>
-/// <c>ActiveRunCount</c> and <c>Annotations</c> are additions to the documented shape.
-/// The first is what puts the builder into its edit-locked state (docs/21 §2) and mirrors
-/// the condition <c>UpdateAsync</c> enforces — without it the builder would need a second
-/// request to the list endpoint just to know whether to disable itself.
-/// </remarks>
-public sealed record TemplateGraphDto(
-    int TemplateId, string Code, string Name, string? Description, EntityStatus Status,
-    IReadOnlyList<TemplateStageDto> Stages, IReadOnlyList<TemplateEdgeDto> Edges,
-    IReadOnlyList<CanvasAnnotationDto> Annotations, int ActiveRunCount,
-    int CreatedBy, DateTime CreatedAt);
-
-// --- requests ----------------------------------------------------------------
-// Narrow by design (02-SECURITY §B.6): no status, no ids, no createdBy, no timestamps.
-// POST and PUT share this shape; PUT replaces the whole graph.
-
-public sealed class SaveTemplateRequest
-{
-    [Required, StringLength(30, MinimumLength = 1)]
-    public string Code { get; set; } = string.Empty;
-
-    [Required, StringLength(150, MinimumLength = 1)]
-    public string Name { get; set; } = string.Empty;
-
-    [StringLength(500)]
-    public string? Description { get; set; }
-
-    [Required, MinLength(1)]
-    public List<SaveStageRequest> Stages { get; set; } = new();
-
-    /// <summary>Empty is legal — a single-stage template is both entry and terminal.</summary>
-    public List<SaveEdgeRequest> Edges { get; set; } = new();
-
-    /// <summary>
-    /// Canvas boxes/lines. Capped because this is free-form client state going into a jsonb
-    /// column — a hand-rolled request should not be able to store an unbounded blob.
-    /// </summary>
-    [MaxLength(200)]
-    public List<CanvasAnnotationDto> Annotations { get; set; } = new();
-}
-
-public sealed class SaveStageRequest
-{
-    /// <summary>Existing stage id as a string, or a client-minted <c>tmp-*</c> key for a new stage.</summary>
-    [Required, StringLength(60, MinimumLength = 1)]
-    public string Key { get; set; } = string.Empty;
-
-    [Required, StringLength(150, MinimumLength = 1)]
-    public string Name { get; set; } = string.Empty;
-
-    [StringLength(60)]
-    public string? RoleLabel { get; set; }
-
-    [Range(0, 1_000_000)]
-    public int EstimatedMinutes { get; set; }
-
-    /// <summary>Canvas coordinates, stored verbatim and never interpreted server-side.</summary>
-    public decimal PosX { get; set; }
-    public decimal PosY { get; set; }
-
-    public List<FieldDefDto> FieldDefs { get; set; } = new();
-    public List<SaveInputRequest> Inputs { get; set; } = new();
-    public List<SaveOutputRequest> Outputs { get; set; } = new();
-}
-
-public sealed class SaveInputRequest
-{
-    [Required]
-    public StageInputSource Source { get; set; }
-
-    /// <summary>Required when <see cref="Source"/> is Stock; must be null when Upstream.</summary>
-    public int? ItemId { get; set; }
-
-    /// <summary>Required when <see cref="Source"/> is Upstream; must name an output of a direct parent.</summary>
-    [StringLength(60)]
-    public string? FromOutputKey { get; set; }
-
-    [Range(1, int.MaxValue)]
-    public int UomId { get; set; }
-
-    [Range(0.0001, double.MaxValue)]
-    public decimal QtyPerBatch { get; set; }
-}
-
-public sealed class SaveOutputRequest
-{
-    /// <summary>Existing output id as a string, or a <c>tmp-*</c> key. Referenced by Upstream inputs.</summary>
-    [Required, StringLength(60, MinimumLength = 1)]
-    public string Key { get; set; } = string.Empty;
-
-    /// <summary>Required on the terminal stage's single output; must be null on every other output.</summary>
-    public int? ItemId { get; set; }
-
-    [Required, StringLength(150, MinimumLength = 1)]
-    public string Name { get; set; } = string.Empty;
-
-    [Range(1, int.MaxValue)]
-    public int UomId { get; set; }
-
-    [Range(0.0001, double.MaxValue)]
-    public decimal QtyPerBatch { get; set; }
-}
-
-public sealed class SaveEdgeRequest
-{
-    [Required, StringLength(60, MinimumLength = 1)]
-    public string ParentKey { get; set; } = string.Empty;
-
-    [Required, StringLength(60, MinimumLength = 1)]
-    public string ChildKey { get; set; } = string.Empty;
-}
-
-/// <summary>Body of <c>PATCH /production-templates/{id}/status</c> (docs/30 §D.1).</summary>
-public sealed class UpdateTemplateStatusRequest
-{
-    [Required]
-    public EntityStatus Status { get; set; }
-}

Backend/ERPCore/Dtos/Sales/BundleSaleDtos.cs

@@ -1,83 +0,0 @@
-using System.ComponentModel.DataAnnotations;
-using ERPCore.Domain.Enums;
-
-namespace ERPCore.Dtos.Sales;
-
-public sealed record BundleSaleLineDto(
-    int BundleSaleLineId, int ItemId, string Description, decimal Qty, int UomId, int WarehouseId,
-    decimal UnitPrice, decimal LineTotal, bool IncludeInBundle, bool IsComponent, int? ParentLineId);
-
-public sealed record BundleSaleDto(
-    int BundleSaleId, string BundleNo, DateTime BundleDate, int CustomerId, string CustomerSnapshotName,
-    int WarehouseId, int CashierUserId, int BundleSaleTemplateId, string BundleName, string BundleCode,
-    BundleSaleStatus Status, decimal ComponentSubtotal, decimal BundlePrice, decimal MarginAmount,
-    decimal DiscountTotal, decimal TaxTotal, decimal GrandTotal, DateTime CreatedAt, DateTime? UpdatedAt,
-    IReadOnlyList<BundleSaleLineDto> Lines);
-
-public sealed record BundleSaleSummaryDto(
-    int BundleSaleId, string BundleNo, DateTime BundleDate, int CustomerId, string CustomerSnapshotName,
-    int WarehouseId, string BundleName, string BundleCode, BundleSaleStatus Status,
-    decimal ComponentSubtotal, decimal BundlePrice, decimal GrandTotal, DateTime CreatedAt);
-
-public sealed record BundleSaleTemplateLineDto(
-    int BundleSaleTemplateLineId, int ItemId, int UomId, int WarehouseId, decimal Qty,
-    decimal UnitPrice, bool IncludeInBundle, int SortOrder);
-
-public sealed record BundleSaleTemplateDto(
-    int BundleSaleTemplateId, string TemplateCode, string TemplateName, string? Description,
-    EntityStatus Status, DateTime CreatedAt, DateTime? UpdatedAt, IReadOnlyList<BundleSaleTemplateLineDto> Lines);
-
-public sealed record BundleSaleTemplateSummaryDto(
-    int BundleSaleTemplateId, string TemplateCode, string TemplateName, string? Description,
-    EntityStatus Status, int LineCount, DateTime CreatedAt, DateTime? UpdatedAt);
-
-public sealed record BundleSalePostingIssueDto(
-    int BundleSaleLineId, int ItemId, string ItemSku, string ItemName, int WarehouseId,
-    decimal RequestedQty, decimal AvailableQty, decimal ShortQty);
-
-public sealed record BundleSalePostingCheckDto(
-    int BundleSaleId, string BundleNo, BundleSaleStatus Status, bool CanPost,
-    IReadOnlyList<BundleSalePostingIssueDto> Issues);
-
-public sealed class CreateBundleSaleTemplateLineRequest
-{
-    [Required] public int ItemId { get; set; }
-    [Required] public int UomId { get; set; }
-    [Required] public int WarehouseId { get; set; }
-    [Range(0.0001, double.MaxValue)] public decimal Qty { get; set; }
-    [Range(0, double.MaxValue)] public decimal UnitPrice { get; set; }
-    public bool IncludeInBundle { get; set; } = true;
-    public int SortOrder { get; set; }
-}
-
-public sealed class CreateBundleSaleTemplateRequest
-{
-    [Required] public string TemplateCode { get; set; } = string.Empty;
-    [Required] public string TemplateName { get; set; } = string.Empty;
-    public string? Description { get; set; }
-    [Required, MinLength(1)] public List<CreateBundleSaleTemplateLineRequest> Lines { get; set; } = new();
-}
-
-public sealed class CreateBundleSaleRequest
-{
-    [Required] public int CustomerId { get; set; }
-    [Required] public int WarehouseId { get; set; }
-    [Required] public int CashierUserId { get; set; }
-    [Required] public int BundleSaleTemplateId { get; set; }
-    [Required] public string BundleName { get; set; } = string.Empty;
-    [Range(0, double.MaxValue)] public decimal BundlePrice { get; set; }
-    public bool AllowPriceOverride { get; set; }
-    [Required, MinLength(1)] public List<CreateBundleSaleTemplateLineRequest> Lines { get; set; } = new();
-}
-
-public sealed class UpdateBundleSaleRequest
-{
-    [Required] public int CustomerId { get; set; }
-    [Required] public int WarehouseId { get; set; }
-    [Required] public int CashierUserId { get; set; }
-    [Required] public int BundleSaleTemplateId { get; set; }
-    [Required] public string BundleName { get; set; } = string.Empty;
-    [Range(0, double.MaxValue)] public decimal BundlePrice { get; set; }
-    public bool AllowPriceOverride { get; set; }
-    [Required, MinLength(1)] public List<CreateBundleSaleTemplateLineRequest> Lines { get; set; } = new();
-}

Backend/ERPCore/Dtos/Sales/SalesInvoiceDtos.cs

@@ -1,67 +0,0 @@
-using System.ComponentModel.DataAnnotations;
-using ERPCore.Domain.Enums;
-
-namespace ERPCore.Dtos.Sales;
-
-public sealed record SalesInvoiceLineDto(
-    int SalesInvoiceLineId, int ItemId, string Description, decimal Qty, decimal FreeQty, int UomId,
-    int WarehouseId, decimal UnitPrice, decimal BaseCost, string PriceSource, decimal DiscountPct,
-    decimal DiscountAmount, SalesDiscountMode DiscountMode, decimal NetUnitPrice, decimal LineTotal,
-    decimal TaxPct, decimal TaxAmount, bool IsFreeIssue, int? ParentLineId);
-
-public sealed record SalesInvoiceTotalsDto(
-    decimal Subtotal, decimal DiscountTotal, decimal FreeQtyTotal, decimal TaxTotal, decimal GrandTotal,
-    decimal RoundOff, decimal NetPayable, decimal PaidAmount, decimal BalanceAmount);
-
-public sealed record SalesInvoiceDto(
-    int SalesInvoiceId, string InvoiceNo, DateTime InvoiceDate, int CustomerId,
-    string CustomerSnapshotName, string? CustomerSnapshotTaxNo, int WarehouseId,
-    SalesInvoiceType InvoiceType, SalesInvoiceStatus Status, int CreatedBy, DateTime CreatedAt,
-    DateTime? UpdatedAt, SalesInvoiceTotalsDto Totals, IReadOnlyList<SalesInvoiceLineDto> Lines);
-
-public sealed record SalesInvoiceSummaryDto(
-    int SalesInvoiceId, string InvoiceNo, DateTime InvoiceDate, int CustomerId,
-    string CustomerSnapshotName, int WarehouseId, SalesInvoiceType InvoiceType,
-    SalesInvoiceStatus Status, SalesInvoiceTotalsDto Totals, DateTime CreatedAt);
-
-public sealed record SalesInvoicePostingIssueDto(
-    int SalesInvoiceLineId, int ItemId, string ItemSku, string ItemName, int WarehouseId,
-    decimal RequestedQty, decimal AvailableQty, decimal ShortQty, bool IsFreeIssue);
-
-public sealed record SalesInvoicePostingCheckDto(
-    int SalesInvoiceId, string InvoiceNo, SalesInvoiceStatus Status, bool CanPost,
-    IReadOnlyList<SalesInvoicePostingIssueDto> Issues);
-
-public sealed class CreateSalesInvoiceLineRequest
-{
-    [Required] public int ItemId { get; set; }
-    [Required] public int UomId { get; set; }
-    [Required] public int WarehouseId { get; set; }
-    [Range(0.0001, double.MaxValue)] public decimal Qty { get; set; }
-    [Range(0, double.MaxValue)] public decimal FreeQty { get; set; }
-    [Range(0, double.MaxValue)] public decimal? UnitPrice { get; set; }
-    public bool AllowManualPriceOverride { get; set; }
-    [Required, EnumDataType(typeof(SalesDiscountMode))] public SalesDiscountMode DiscountMode { get; set; } = SalesDiscountMode.Percentage;
-    [Range(0, 100)] public decimal DiscountPct { get; set; }
-    [Range(0, double.MaxValue)] public decimal DiscountAmount { get; set; }
-    [Range(0, double.MaxValue)] public decimal DiscountValue { get; set; }
-    [Range(0, 100)] public decimal TaxPct { get; set; }
-    public bool IsFreeIssue { get; set; }
-    public int? ParentLineId { get; set; }
-}
-
-public sealed class CreateSalesInvoiceRequest
-{
-    [Required] public int CustomerId { get; set; }
-    [Required] public int WarehouseId { get; set; }
-    [Required, EnumDataType(typeof(SalesInvoiceType))] public SalesInvoiceType InvoiceType { get; set; } = SalesInvoiceType.B2C;
-    [Required, MinLength(1)] public List<CreateSalesInvoiceLineRequest> Lines { get; set; } = new();
-}
-
-public sealed class UpdateSalesInvoiceRequest
-{
-    [Required] public int CustomerId { get; set; }
-    [Required] public int WarehouseId { get; set; }
-    [Required, EnumDataType(typeof(SalesInvoiceType))] public SalesInvoiceType InvoiceType { get; set; } = SalesInvoiceType.B2C;
-    [Required, MinLength(1)] public List<CreateSalesInvoiceLineRequest> Lines { get; set; } = new();
-}

Backend/ERPCore/Dtos/Sales/SalesPromotionSuggestionDtos.cs

@@ -1,23 +0,0 @@
-namespace ERPCore.Dtos.Sales;
-
-public sealed record SalesFreeIssueRewardOptionDto(
-    int ItemId,
-    string Sku,
-    string Name,
-    decimal? SalePrice);
-
-public sealed record SalesFreeIssueSuggestionLineDto(
-    int SalesSlipLineId,
-    int ItemId,
-    string ItemSku,
-    string ItemName,
-    decimal Qty,
-    decimal SuggestedFreeQty,
-    decimal TriggerQty,
-    IReadOnlyList<SalesFreeIssueRewardOptionDto> RewardOptions);
-
-public sealed record SalesFreeIssueSuggestionDto(
-    int SalesSlipId,
-    string SlipNo,
-    DateTime SlipDate,
-    IReadOnlyList<SalesFreeIssueSuggestionLineDto> Lines);

Backend/ERPCore/Dtos/Sales/SalesReportDtos.cs

@@ -1,68 +0,0 @@
-namespace ERPCore.Dtos.Sales;
-
-public sealed record SalesDailySummaryRowDto(
-    DateOnly Date,
-    int InvoiceCount,
-    int SlipCount,
-    decimal InvoiceSubtotal,
-    decimal SlipSubtotal,
-    decimal DiscountTotal,
-    decimal FreeQtyTotal,
-    decimal TaxTotal,
-    decimal GrandTotal);
-
-public sealed record SalesItemSummaryRowDto(
-    int ItemId,
-    string ItemName,
-    decimal SoldQty,
-    decimal FreeQty,
-    decimal GrossAmount,
-    decimal DiscountTotal,
-    decimal TaxTotal,
-    decimal NetAmount);
-
-public sealed record SalesCustomerSummaryRowDto(
-    int CustomerId,
-    string CustomerName,
-    int InvoiceCount,
-    int SlipCount,
-    decimal SoldQty,
-    decimal FreeQty,
-    decimal GrossAmount,
-    decimal DiscountTotal,
-    decimal TaxTotal,
-    decimal NetAmount);
-
-public sealed record SalesWarehouseSummaryRowDto(
-    int WarehouseId,
-    string WarehouseName,
-    int InvoiceCount,
-    int SlipCount,
-    decimal SoldQty,
-    decimal FreeQty,
-    decimal GrossAmount,
-    decimal DiscountTotal,
-    decimal TaxTotal,
-    decimal NetAmount);
-
-public sealed record SalesDiscountSummaryRowDto(
-    string DocumentType,
-    string DocumentNo,
-    DateTime DocumentDate,
-    string CustomerName,
-    decimal Subtotal,
-    decimal DiscountTotal,
-    decimal TaxTotal,
-    decimal NetAmount);
-
-public sealed record SalesFreeIssueSummaryRowDto(
-    string DocumentType,
-    string DocumentNo,
-    DateTime DocumentDate,
-    string CustomerName,
-    int ItemId,
-    string ItemName,
-    decimal FreeQty,
-    decimal FreeValue,
-    int WarehouseId,
-    string WarehouseName);

Backend/ERPCore/Dtos/Sales/SalesReportQueryDtos.cs

@@ -1,21 +0,0 @@
-namespace ERPCore.Dtos.Sales;
-
-public sealed record SalesReportDefinitionDto(
-    string Id,
-    string Name,
-    string Description,
-    IReadOnlyList<string> SupportedFilters);
-
-public sealed record SalesReportQueryRequest(
-    string ReportType,
-    DateOnly From,
-    DateOnly To,
-    int? ItemId = null,
-    int? CustomerId = null,
-    int? WarehouseId = null);
-
-public sealed record SalesReportQueryResponse(
-    string ReportType,
-    DateOnly From,
-    DateOnly To,
-    IReadOnlyList<object> Rows);

Backend/ERPCore/Dtos/Sales/SalesSlipDtos.cs

@@ -1,77 +0,0 @@
-using System.ComponentModel.DataAnnotations;
-using ERPCore.Domain.Enums;
-
-namespace ERPCore.Dtos.Sales;
-
-public sealed record SalesSlipLineDto(
-    int SalesSlipLineId, int ItemId, string Description, decimal Qty, decimal FreeQty, int UomId,
-    int WarehouseId, decimal UnitPrice, decimal BaseCost, string PriceSource, decimal DiscountPct,
-    decimal DiscountAmount, SalesDiscountMode DiscountMode, decimal NetUnitPrice, decimal LineTotal,
-    decimal TaxPct, decimal TaxAmount, bool IsFreeIssue, int? ParentLineId);
-
-public sealed record SalesSlipTotalsDto(
-    decimal Subtotal, decimal DiscountTotal, decimal FreeQtyTotal, decimal TaxTotal, decimal GrandTotal,
-    decimal PaidAmount, decimal BalanceAmount);
-
-public sealed record SalesSlipDto(
-    int SalesSlipId, string SlipNo, DateTime SlipDate, int CustomerId,
-    string CustomerSnapshotName, int WarehouseId, int CashierUserId, SalesSlipStatus Status,
-    DateTime CreatedAt, DateTime? UpdatedAt, SalesSlipTotalsDto Totals, IReadOnlyList<SalesSlipLineDto> Lines);
-
-public sealed record SalesSlipSummaryDto(
-    int SalesSlipId, string SlipNo, DateTime SlipDate, int CustomerId,
-    string CustomerSnapshotName, int WarehouseId, SalesSlipStatus Status,
-    SalesSlipTotalsDto Totals, DateTime CreatedAt);
-
-public sealed record SalesSlipPostingIssueDto(
-    int SalesSlipLineId, int ItemId, string ItemSku, string ItemName, int WarehouseId,
-    decimal RequestedQty, decimal AvailableQty, decimal ShortQty, bool IsFreeIssue);
-
-public sealed record SalesSlipPostingCheckDto(
-    int SalesSlipId, string SlipNo, SalesSlipStatus Status, bool CanPost,
-    IReadOnlyList<SalesSlipPostingIssueDto> Issues);
-
-public sealed record FreeIssueSummaryDto(
-    int SalesSlipId, string SlipNo, SalesSlipStatus Status, DateTime CreatedAt,
-    int WarehouseId, string WarehouseName, int ItemId, string ItemSku, string ItemName,
-    int UomId, string UomName, decimal Qty, decimal FreeQty, string SchemeLabel);
-
-public sealed record FreeIssueDto(
-    int SalesSlipId, string SlipNo, DateTime SlipDate, SalesSlipStatus Status,
-    int CustomerId, string CustomerSnapshotName, int WarehouseId, string WarehouseName,
-    int CashierUserId, DateTime CreatedAt, DateTime? UpdatedAt, FreeIssueSummaryDto Summary,
-    IReadOnlyList<SalesSlipLineDto> Lines);
-
-public sealed class CreateSalesSlipLineRequest
-{
-    [Required] public int ItemId { get; set; }
-    [Required] public int UomId { get; set; }
-    [Required] public int WarehouseId { get; set; }
-    [Range(0.0001, double.MaxValue)] public decimal Qty { get; set; }
-    [Range(0, double.MaxValue)] public decimal FreeQty { get; set; }
-    [Range(0, double.MaxValue)] public decimal? UnitPrice { get; set; }
-    public bool AllowManualPriceOverride { get; set; }
-    [Required, EnumDataType(typeof(SalesDiscountMode))] public SalesDiscountMode DiscountMode { get; set; } = SalesDiscountMode.Percentage;
-    [Range(0, 100)] public decimal DiscountPct { get; set; }
-    [Range(0, double.MaxValue)] public decimal DiscountAmount { get; set; }
-    [Range(0, double.MaxValue)] public decimal DiscountValue { get; set; }
-    [Range(0, 100)] public decimal TaxPct { get; set; }
-    public bool IsFreeIssue { get; set; }
-    public int? ParentLineId { get; set; }
-}
-
-public sealed class CreateSalesSlipRequest
-{
-    [Required] public int CustomerId { get; set; }
-    [Required] public int WarehouseId { get; set; }
-    [Required] public int CashierUserId { get; set; }
-    [Required, MinLength(1)] public List<CreateSalesSlipLineRequest> Lines { get; set; } = new();
-}
-
-public sealed class UpdateSalesSlipRequest
-{
-    [Required] public int CustomerId { get; set; }
-    [Required] public int WarehouseId { get; set; }
-    [Required] public int CashierUserId { get; set; }
-    [Required, MinLength(1)] public List<CreateSalesSlipLineRequest> Lines { get; set; } = new();
-}

Backend/ERPCore/Infra/Gl/GeneralLedgerClient.cs

@@ -1,55 +0,0 @@
-using ERPCore.System.Errors;
-
-namespace ERPCore.Infra.Gl;
-
-/// <summary>
-/// HTTP implementation of <see cref="IGeneralLedgerClient"/>. Registered as a typed
-/// client (`AddHttpClient&lt;IGeneralLedgerClient, GeneralLedgerClient&gt;`) with its
-/// `BaseAddress` bound from `GeneralLedgerService:BaseUrl`. Every call attaches the
-/// shared `GeneralLedgerService:ApiKey` as `X-Api-Key` and streams the request/response
-/// body straight through, unparsed — GL's own response (status, content-type, body) is
-/// returned exactly as received; nothing here reshapes it.
-/// </summary>
-public sealed class GeneralLedgerClient(HttpClient http, IConfiguration configuration) : IGeneralLedgerClient
-{
-    private readonly HttpClient _http = http;
-    private readonly string _apiKey = configuration["GeneralLedgerService:ApiKey"] ?? string.Empty;
-
-    public async Task<GeneralLedgerResponse> SendAsync(
-        HttpMethod method, string path, string? queryString, string? contentType, Stream? body, CancellationToken ct)
-    {
-        var relativeUri = path.TrimStart('/') + queryString;
-        using var request = new HttpRequestMessage(method, relativeUri);
-        request.Headers.TryAddWithoutValidation("X-Api-Key", _apiKey);
-
-        if (body is not null && method != HttpMethod.Get)
-        {
-            var content = new StreamContent(body);
-            if (!string.IsNullOrEmpty(contentType))
-                content.Headers.TryAddWithoutValidation("Content-Type", contentType);
-            request.Content = content;
-        }
-
-        HttpResponseMessage response;
-        try
-        {
-            response = await _http.SendAsync(request, ct);
-        }
-        catch (HttpRequestException)
-        {
-            throw new DomainException(ErrorCodes.GlServiceUnavailable, "The General Ledger service is unreachable.", 503);
-        }
-        catch (TaskCanceledException) when (!ct.IsCancellationRequested)
-        {
-            throw new DomainException(ErrorCodes.GlServiceUnavailable, "The General Ledger service timed out.", 503);
-        }
-
-        var responseBody = await response.Content.ReadAsStringAsync(ct);
-        return new GeneralLedgerResponse
-        {
-            StatusCode = (int)response.StatusCode,
-            ContentType = response.Content.Headers.ContentType?.ToString(),
-            Body = responseBody
-        };
-    }
-}

Backend/ERPCore/Infra/Gl/GeneralLedgerResponse.cs

@@ -1,15 +0,0 @@
-namespace ERPCore.Infra.Gl;
-
-/// <summary>
-/// Raw HTTP result from the external General Ledger service — status code, content
-/// type, and body exactly as GL returned them. Deliberately un-reshaped: GL's own
-/// envelope (see the GL service's own API reference) is passed through byte-for-byte
-/// so its camelCase-success/PascalCase-error inconsistency and full decimal precision
-/// survive the hop unchanged (docs/12-GENERAL-LEDGER-INTEGRATION.md).
-/// </summary>
-public sealed class GeneralLedgerResponse
-{
-    public int StatusCode { get; init; }
-    public string? ContentType { get; init; }
-    public string Body { get; init; } = string.Empty;
-}

Backend/ERPCore/Infra/Gl/IGeneralLedgerClient.cs

@@ -1,13 +0,0 @@
-namespace ERPCore.Infra.Gl;
-
-/// <summary>
-/// Typed HTTP transport to the external General Ledger service. Injects the shared
-/// `X-Api-Key` secret and forwards method/path/query/body/content-type verbatim —
-/// see docs/12-GENERAL-LEDGER-INTEGRATION.md. Internal: only
-/// <see cref="ERPCore.Services.Interfaces.IGeneralLedgerService"/> consumes this.
-/// </summary>
-public interface IGeneralLedgerClient
-{
-    Task<GeneralLedgerResponse> SendAsync(
-        HttpMethod method, string path, string? queryString, string? contentType, Stream? body, CancellationToken ct);
-}

Backend/ERPCore/Infra/Persistence/Configurations/BundleSaleConfiguration.cs

@@ -1,46 +0,0 @@
-using ERPCore.Domain.Entities;
-using ERPCore.Domain.Enums;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Metadata.Builders;
-
-namespace ERPCore.Infra.Persistence.Configurations;
-
-public sealed class BundleSaleConfiguration : IEntityTypeConfiguration<BundleSale>
-{
-    public void Configure(EntityTypeBuilder<BundleSale> builder)
-    {
-        builder.ToTable("bundle_sales");
-        builder.HasKey(x => x.BundleSaleId);
-        builder.Property(x => x.BundleNo).IsRequired().HasMaxLength(50);
-        builder.HasIndex(x => x.BundleNo).IsUnique();
-        builder.Property(x => x.BundleDate).IsRequired();
-        builder.Property(x => x.CustomerSnapshotName).IsRequired().HasMaxLength(200);
-        builder.Property(x => x.BundleName).IsRequired().HasMaxLength(200);
-        builder.Property(x => x.BundleCode).IsRequired().HasMaxLength(50);
-        builder.Property(x => x.Status)
-            .HasConversion<string>().HasMaxLength(20).IsRequired()
-            .HasDefaultValue(BundleSaleStatus.Draft);
-        builder.Property(x => x.ComponentSubtotal).HasPrecision(18, 4);
-        builder.Property(x => x.BundlePrice).HasPrecision(18, 4);
-        builder.Property(x => x.MarginAmount).HasPrecision(18, 4);
-        builder.Property(x => x.DiscountTotal).HasPrecision(18, 4);
-        builder.Property(x => x.TaxTotal).HasPrecision(18, 4);
-        builder.Property(x => x.GrandTotal).HasPrecision(18, 4);
-        builder.Property(x => x.CreatedAt).IsRequired();
-        builder.Property(x => x.ConcurrencyStamp)
-            .IsRequired()
-            .HasColumnType("integer")
-            .HasDefaultValue(0)
-            .IsConcurrencyToken();
-
-        builder.HasOne(x => x.Customer).WithMany().HasForeignKey(x => x.CustomerId).OnDelete(DeleteBehavior.Restrict);
-        builder.HasOne(x => x.Warehouse).WithMany().HasForeignKey(x => x.WarehouseId).OnDelete(DeleteBehavior.Restrict);
-        builder.HasOne(x => x.CashierUser).WithMany().HasForeignKey(x => x.CashierUserId).OnDelete(DeleteBehavior.Restrict);
-        builder.HasOne(x => x.BundleSaleTemplate).WithMany().HasForeignKey(x => x.BundleSaleTemplateId).OnDelete(DeleteBehavior.Restrict);
-
-        builder.HasMany(x => x.Lines)
-            .WithOne(x => x.BundleSale)
-            .HasForeignKey(x => x.BundleSaleId)
-            .OnDelete(DeleteBehavior.Cascade);
-    }
-}

Backend/ERPCore/Infra/Persistence/Configurations/BundleSaleLineConfiguration.cs

@@ -1,24 +0,0 @@
-using ERPCore.Domain.Entities;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Metadata.Builders;
-
-namespace ERPCore.Infra.Persistence.Configurations;
-
-public sealed class BundleSaleLineConfiguration : IEntityTypeConfiguration<BundleSaleLine>
-{
-    public void Configure(EntityTypeBuilder<BundleSaleLine> builder)
-    {
-        builder.ToTable("bundle_sale_lines");
-        builder.HasKey(x => x.BundleSaleLineId);
-        builder.Property(x => x.Description).IsRequired().HasMaxLength(200);
-        builder.Property(x => x.Qty).HasPrecision(18, 4);
-        builder.Property(x => x.UnitPrice).HasPrecision(18, 4);
-        builder.Property(x => x.LineTotal).HasPrecision(18, 4);
-        builder.Property(x => x.IncludeInBundle).HasDefaultValue(true);
-        builder.Property(x => x.IsComponent).HasDefaultValue(true);
-
-        builder.HasOne(x => x.Item).WithMany().HasForeignKey(x => x.ItemId).OnDelete(DeleteBehavior.Restrict);
-        builder.HasOne(x => x.Uom).WithMany().HasForeignKey(x => x.UomId).OnDelete(DeleteBehavior.Restrict);
-        builder.HasOne(x => x.Warehouse).WithMany().HasForeignKey(x => x.WarehouseId).OnDelete(DeleteBehavior.Restrict);
-    }
-}

Backend/ERPCore/Infra/Persistence/Configurations/BundleSaleTemplateConfiguration.cs

@@ -1,34 +0,0 @@
-using ERPCore.Domain.Entities;
-using ERPCore.Domain.Enums;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Metadata.Builders;
-
-namespace ERPCore.Infra.Persistence.Configurations;
-
-public sealed class BundleSaleTemplateConfiguration : IEntityTypeConfiguration<BundleSaleTemplate>
-{
-    public void Configure(EntityTypeBuilder<BundleSaleTemplate> builder)
-    {
-        builder.ToTable("bundle_sale_templates");
-        builder.HasKey(x => x.BundleSaleTemplateId);
-
-        builder.Property(x => x.TemplateCode).IsRequired().HasMaxLength(50);
-        builder.HasIndex(x => x.TemplateCode).IsUnique();
-        builder.Property(x => x.TemplateName).IsRequired().HasMaxLength(200);
-        builder.Property(x => x.Description).HasMaxLength(1000);
-        builder.Property(x => x.Status)
-            .HasConversion<string>().HasMaxLength(20).IsRequired()
-            .HasDefaultValue(EntityStatus.Active);
-        builder.Property(x => x.CreatedAt).IsRequired();
-        builder.Property(x => x.ConcurrencyStamp)
-            .IsRequired()
-            .HasColumnType("integer")
-            .HasDefaultValue(0)
-            .IsConcurrencyToken();
-
-        builder.HasMany(x => x.Lines)
-            .WithOne(x => x.BundleSaleTemplate)
-            .HasForeignKey(x => x.BundleSaleTemplateId)
-            .OnDelete(DeleteBehavior.Cascade);
-    }
-}

Backend/ERPCore/Infra/Persistence/Configurations/BundleSaleTemplateLineConfiguration.cs

@@ -1,21 +0,0 @@
-using ERPCore.Domain.Entities;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Metadata.Builders;
-
-namespace ERPCore.Infra.Persistence.Configurations;
-
-public sealed class BundleSaleTemplateLineConfiguration : IEntityTypeConfiguration<BundleSaleTemplateLine>
-{
-    public void Configure(EntityTypeBuilder<BundleSaleTemplateLine> builder)
-    {
-        builder.ToTable("bundle_sale_template_lines");
-        builder.HasKey(x => x.BundleSaleTemplateLineId);
-        builder.Property(x => x.Qty).HasPrecision(18, 4);
-        builder.Property(x => x.UnitPrice).HasPrecision(18, 4);
-        builder.Property(x => x.SortOrder).HasDefaultValue(0);
-
-        builder.HasOne(x => x.Item).WithMany().HasForeignKey(x => x.ItemId).OnDelete(DeleteBehavior.Restrict);
-        builder.HasOne(x => x.Uom).WithMany().HasForeignKey(x => x.UomId).OnDelete(DeleteBehavior.Restrict);
-        builder.HasOne(x => x.Warehouse).WithMany().HasForeignKey(x => x.WarehouseId).OnDelete(DeleteBehavior.Restrict);
-    }
-}

Backend/ERPCore/Infra/Persistence/Configurations/CustomerConfiguration.cs

@@ -1,50 +0,0 @@
-using ERPCore.Domain.Entities;
-using ERPCore.Domain.Enums;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Metadata.Builders;
-
-namespace ERPCore.Infra.Persistence.Configurations;
-
-public sealed class CustomerConfiguration : IEntityTypeConfiguration<Customer>
-{
-    public void Configure(EntityTypeBuilder<Customer> builder)
-    {
-        builder.ToTable("customers");
-        builder.HasKey(c => c.CustomerId);
-
-        builder.Property(c => c.CustomerCode).IsRequired().HasMaxLength(50);
-        builder.HasIndex(c => c.CustomerCode).IsUnique();
-
-        builder.Property(c => c.CustomerType)
-            .HasConversion<string>().HasMaxLength(20).IsRequired()
-            .HasDefaultValue(CustomerType.B2C);
-
-        builder.Property(c => c.Name).IsRequired().HasMaxLength(200);
-        builder.Property(c => c.DisplayName).HasMaxLength(200);
-        builder.Property(c => c.Phone).HasMaxLength(30);
-        builder.Property(c => c.Email).HasMaxLength(100);
-        builder.Property(c => c.AddressLine1).HasMaxLength(250);
-        builder.Property(c => c.AddressLine2).HasMaxLength(250);
-        builder.Property(c => c.City).HasMaxLength(100);
-        builder.Property(c => c.Country).HasMaxLength(100);
-        builder.Property(c => c.TaxRegistrationNo).HasMaxLength(50);
-
-        builder.Property(c => c.CreditLimit).HasPrecision(18, 4);
-        builder.Property(c => c.CreditDays).IsRequired();
-
-        builder.HasOne(c => c.DefaultWarehouse)
-            .WithMany()
-            .HasForeignKey(c => c.DefaultWarehouseId)
-            .OnDelete(DeleteBehavior.SetNull);
-
-        builder.Property(c => c.Status)
-            .HasConversion<string>().HasMaxLength(20).IsRequired()
-            .HasDefaultValue(EntityStatus.Active);
-
-        builder.Property(c => c.CreatedAt).IsRequired();
-        builder.Property(c => c.RowVersion).IsRowVersion();
-
-        builder.HasIndex(c => c.Status);
-        builder.HasIndex(c => c.CustomerType);
-    }
-}

Backend/ERPCore/Infra/Persistence/Configurations/NavItemConfiguration.cs

@@ -36,10 +36,7 @@ public sealed class NavItemConfiguration : IEntityTypeConfiguration<NavItem>
             new NavItem { NavItemId = 7, Code = "warehouses", Label = "Warehouses", Href = "/dashboard/warehouse", SortOrder = 7 },
             new NavItem { NavItemId = 8, Code = "orders", Label = "Orders", Href = "/dashboard/orders", SortOrder = 8 },
             new NavItem { NavItemId = 9, Code = "settings", Label = "Settings", Href = "/dashboard/settings", SortOrder = 9 },
-            new NavItem { NavItemId = 10, Code = "help", Label = "Help", Href = "/dashboard/help", SortOrder = 10 },
+            new NavItem { NavItemId = 10, Code = "help", Label = "Help", Href = "/dashboard/help", SortOrder = 10 }
-            new NavItem { NavItemId = 11, Code = "ledgers", Label = "Ledgers", Href = "/dashboard/ledgers", SortOrder = 11 },
-            new NavItem { NavItemId = 12, Code = "accounts", Label = "Accounts", Href = "/dashboard/accounts", SortOrder = 12 },
-            new NavItem { NavItemId = 13, Code = "sales", Label = "Sales", Href = "/dashboard/sales", SortOrder = 13 }
         );
     }
 }

Backend/ERPCore/Infra/Persistence/Configurations/PermissionConfiguration.cs

@@ -42,26 +42,10 @@ public sealed class PermissionConfiguration : IEntityTypeConfiguration<Permissio
             new Permission { PermissionId = 16, Code = "NAV:products.configuration", SubNavItemId = 6 },
             new Permission { PermissionId = 17, Code = "NAV:settings.roles", SubNavItemId = 7 },
             new Permission { PermissionId = 18, Code = "NAV:settings.users", SubNavItemId = 8 },
-            // IDs 28-31 (not 19-22): 19-22 were already claimed by the Ledgers permissions below;
+            new Permission { PermissionId = 19, Code = "NAV:procurement.requisitions", SubNavItemId = 9 },
-            // these procurement rows were never actually migrated into the database before now.
+            new Permission { PermissionId = 20, Code = "NAV:procurement.rfqs", SubNavItemId = 10 },
-            new Permission { PermissionId = 28, Code = "NAV:procurement.requisitions", SubNavItemId = 17 },
+            new Permission { PermissionId = 21, Code = "NAV:procurement.purchase-orders", SubNavItemId = 11 },
-            new Permission { PermissionId = 29, Code = "NAV:procurement.rfqs", SubNavItemId = 18 },
+            new Permission { PermissionId = 22, Code = "NAV:procurement.purchase-returns", SubNavItemId = 12 }
-            new Permission { PermissionId = 30, Code = "NAV:procurement.purchase-orders", SubNavItemId = 19 },
-            new Permission { PermissionId = 31, Code = "NAV:procurement.purchase-returns", SubNavItemId = 20 },
-            new Permission { PermissionId = 19, Code = "NAV:ledgers", NavItemId = 11 },
-            new Permission { PermissionId = 20, Code = "NAV:ledgers.trial-balance", SubNavItemId = 9 },
-            new Permission { PermissionId = 21, Code = "NAV:ledgers.balance-sheet", SubNavItemId = 10 },
-            new Permission { PermissionId = 22, Code = "NAV:ledgers.general-ledger", SubNavItemId = 11 },
-            new Permission { PermissionId = 23, Code = "NAV:ledgers.profit-and-loss", SubNavItemId = 12 },
-            new Permission { PermissionId = 24, Code = "NAV:ledgers.cash-flow", SubNavItemId = 13 },
-            new Permission { PermissionId = 25, Code = "NAV:ledgers.budget-vs-actual", SubNavItemId = 14 },
-            new Permission { PermissionId = 27, Code = "NAV:ledgers.tax-report", SubNavItemId = 16 },
-            // Moved under the new Accounts nav item (2026-07-31) — same PermissionId (26), just a
-            // renamed Code, so any role already granted this permission keeps it.
-            new Permission { PermissionId = 26, Code = "NAV:accounts.bank-accounts", SubNavItemId = 15 },
-            new Permission { PermissionId = 32, Code = "NAV:accounts", NavItemId = 12 },
-            new Permission { PermissionId = 33, Code = "NAV:accounts.cheque-books", SubNavItemId = 21 },
-            new Permission { PermissionId = 34, Code = "NAV:accounts.received-cheques", SubNavItemId = 22 }
         );
     }
 }

Backend/ERPCore/Infra/Persistence/Configurations/ProductionConfiguration.cs

@@ -1,277 +0,0 @@
-using ERPCore.Domain.Entities;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Metadata.Builders;
-
-namespace ERPCore.Infra.Persistence.Configurations;
-
-// Manufacturing / Production Lines (docs/30 Part C). All eleven tables live in this one
-// file, following the StockConfiguration.cs precedent of grouping an aggregate's
-// configurations together.
-//
-// Cascade shape (deliberate): the two aggregate roots cascade to their own children —
-// template → stages/edges → inputs/outputs, run → stages/edges/events → inputs/outputs.
-// Every *cross* reference is Restrict, because making them cascade would give EF two
-// delete paths to the same table and the model validator rejects that. The consequence
-// is an ordering rule for the service layer: when replacing a graph, delete edges before
-// stages and inputs before outputs.
-
-public sealed class ProductionTemplateConfiguration : IEntityTypeConfiguration<ProductionTemplate>
-{
-    public void Configure(EntityTypeBuilder<ProductionTemplate> builder)
-    {
-        builder.ToTable("production_templates");
-        builder.HasKey(t => t.TemplateId);
-
-        builder.Property(t => t.Code).IsRequired().HasMaxLength(30);
-        builder.HasIndex(t => t.Code).IsUnique();
-
-        builder.Property(t => t.Name).IsRequired().HasMaxLength(150);
-        builder.Property(t => t.Description).HasMaxLength(500);
-
-        builder.Property(t => t.Status).HasConversion<string>().HasMaxLength(20).IsRequired();
-
-        // Same jsonb-as-string mapping as TemplateStage.FieldDefs and AuditLog.ChangeSet: a
-        // typed/owned mapping would make AuditScribe emit audit rows for the nested entries.
-        builder.Property(t => t.Annotations).HasColumnType("jsonb");
-
-        builder.Property(t => t.CreatedAt).IsRequired();
-
-        // PostgreSQL xmin system column as the optimistic concurrency token (ETag).
-        builder.Property(t => t.RowVersion).IsRowVersion();
-
-        builder.HasOne(t => t.Creator).WithMany().HasForeignKey(t => t.CreatedBy).OnDelete(DeleteBehavior.Restrict);
-
-        builder.HasIndex(t => t.Status);
-    }
-}
-
-public sealed class TemplateStageConfiguration : IEntityTypeConfiguration<TemplateStage>
-{
-    public void Configure(EntityTypeBuilder<TemplateStage> builder)
-    {
-        builder.ToTable("template_stages");
-        builder.HasKey(s => s.StageId);
-
-        builder.Property(s => s.Name).IsRequired().HasMaxLength(150);
-        builder.Property(s => s.RoleLabel).HasMaxLength(60);
-        builder.Property(s => s.PosX).HasPrecision(18, 4);
-        builder.Property(s => s.PosY).HasPrecision(18, 4);
-        builder.Property(s => s.FieldDefs).IsRequired().HasColumnType("jsonb");
-
-        builder.HasOne(s => s.Template).WithMany(t => t.Stages)
-            .HasForeignKey(s => s.TemplateId).OnDelete(DeleteBehavior.Cascade);
-    }
-}
-
-public sealed class StageEdgeConfiguration : IEntityTypeConfiguration<StageEdge>
-{
-    public void Configure(EntityTypeBuilder<StageEdge> builder)
-    {
-        builder.ToTable("stage_edges");
-        builder.HasKey(e => e.EdgeId);
-
-        builder.HasOne(e => e.Template).WithMany(t => t.Edges)
-            .HasForeignKey(e => e.TemplateId).OnDelete(DeleteBehavior.Cascade);
-
-        builder.HasOne(e => e.ParentStage).WithMany()
-            .HasForeignKey(e => e.ParentStageId).OnDelete(DeleteBehavior.Restrict);
-        builder.HasOne(e => e.ChildStage).WithMany()
-            .HasForeignKey(e => e.ChildStageId).OnDelete(DeleteBehavior.Restrict);
-
-        // One arrow per ordered pair; self-loops and cycles are rejected by the validator.
-        builder.HasIndex(e => new { e.ParentStageId, e.ChildStageId }).IsUnique();
-    }
-}
-
-public sealed class StageInputConfiguration : IEntityTypeConfiguration<StageInput>
-{
-    public void Configure(EntityTypeBuilder<StageInput> builder)
-    {
-        builder.ToTable("stage_inputs");
-        builder.HasKey(i => i.InputId);
-
-        builder.Property(i => i.Source).HasConversion<string>().HasMaxLength(20).IsRequired();
-        builder.Property(i => i.QtyPerBatch).HasPrecision(18, 4);
-
-        builder.HasOne(i => i.Stage).WithMany(s => s.Inputs)
-            .HasForeignKey(i => i.StageId).OnDelete(DeleteBehavior.Cascade);
-
-        builder.HasOne(i => i.Item).WithMany().HasForeignKey(i => i.ItemId).OnDelete(DeleteBehavior.Restrict);
-        builder.HasOne(i => i.Uom).WithMany().HasForeignKey(i => i.UomId).OnDelete(DeleteBehavior.Restrict);
-        builder.HasOne(i => i.FromOutput).WithMany()
-            .HasForeignKey(i => i.FromOutputId).OnDelete(DeleteBehavior.Restrict);
-    }
-}
-
-public sealed class StageOutputConfiguration : IEntityTypeConfiguration<StageOutput>
-{
-    public void Configure(EntityTypeBuilder<StageOutput> builder)
-    {
-        builder.ToTable("stage_outputs");
-        builder.HasKey(o => o.OutputId);
-
-        builder.Property(o => o.Name).IsRequired().HasMaxLength(150);
-        builder.Property(o => o.QtyPerBatch).HasPrecision(18, 4);
-
-        builder.HasOne(o => o.Stage).WithMany(s => s.Outputs)
-            .HasForeignKey(o => o.StageId).OnDelete(DeleteBehavior.Cascade);
-
-        builder.HasOne(o => o.Item).WithMany().HasForeignKey(o => o.ItemId).OnDelete(DeleteBehavior.Restrict);
-        builder.HasOne(o => o.Uom).WithMany().HasForeignKey(o => o.UomId).OnDelete(DeleteBehavior.Restrict);
-    }
-}
-
-public sealed class ProductionRunConfiguration : IEntityTypeConfiguration<ProductionRun>
-{
-    public void Configure(EntityTypeBuilder<ProductionRun> builder)
-    {
-        builder.ToTable("production_runs");
-        builder.HasKey(r => r.RunId);
-
-        builder.Property(r => r.DocNo).IsRequired().HasMaxLength(30);
-        builder.HasIndex(r => r.DocNo).IsUnique();
-
-        builder.Property(r => r.TargetQty).HasPrecision(18, 4);
-        builder.Property(r => r.ScaleFactor).HasPrecision(18, 6);
-        builder.Property(r => r.Status).HasConversion<string>().HasMaxLength(20).IsRequired();
-        builder.Property(r => r.CreatedAt).IsRequired();
-        builder.Property(r => r.RowVersion).IsRowVersion();
-
-        builder.HasOne(r => r.Template).WithMany(t => t.Runs)
-            .HasForeignKey(r => r.TemplateId).OnDelete(DeleteBehavior.Restrict);
-        builder.HasOne(r => r.Warehouse).WithMany().HasForeignKey(r => r.WarehouseId).OnDelete(DeleteBehavior.Restrict);
-        builder.HasOne(r => r.OutputBin).WithMany().HasForeignKey(r => r.OutputBinId).OnDelete(DeleteBehavior.Restrict);
-        builder.HasOne(r => r.CancelReason).WithMany().HasForeignKey(r => r.CancelReasonCodeId).OnDelete(DeleteBehavior.Restrict);
-        builder.HasOne(r => r.Creator).WithMany().HasForeignKey(r => r.CreatedBy).OnDelete(DeleteBehavior.Restrict);
-
-        // Run board filters (docs/30 §D.2) and the template edit-lock count (FR-MFG-06).
-        builder.HasIndex(r => r.Status);
-        builder.HasIndex(r => new { r.TemplateId, r.Status });
-    }
-}
-
-public sealed class RunStageConfiguration : IEntityTypeConfiguration<RunStage>
-{
-    public void Configure(EntityTypeBuilder<RunStage> builder)
-    {
-        builder.ToTable("run_stages");
-        builder.HasKey(s => s.RunStageId);
-
-        builder.Property(s => s.Name).IsRequired().HasMaxLength(150);
-        builder.Property(s => s.RoleLabel).HasMaxLength(60);
-        builder.Property(s => s.PosX).HasPrecision(18, 4);
-        builder.Property(s => s.PosY).HasPrecision(18, 4);
-        builder.Property(s => s.Status).HasConversion<string>().HasMaxLength(20).IsRequired();
-        builder.Property(s => s.FieldDefs).IsRequired().HasColumnType("jsonb");
-        builder.Property(s => s.FieldValues).HasColumnType("jsonb");
-        builder.Property(s => s.RowVersion).IsRowVersion();
-
-        builder.HasOne(s => s.Run).WithMany(r => r.Stages)
-            .HasForeignKey(s => s.RunId).OnDelete(DeleteBehavior.Cascade);
-
-        // SetNull, not Restrict: a template edit may delete a stage that completed or
-        // cancelled runs still point at. Everything needed to render such a run is copied
-        // onto this row, so losing the provenance link is the intended trade (FR-MFG-06).
-        builder.HasOne(s => s.TemplateStage).WithMany()
-            .HasForeignKey(s => s.TemplateStageId).OnDelete(DeleteBehavior.SetNull);
-
-        builder.HasIndex(s => new { s.RunId, s.Status });
-    }
-}
-
-public sealed class RunEdgeConfiguration : IEntityTypeConfiguration<RunEdge>
-{
-    public void Configure(EntityTypeBuilder<RunEdge> builder)
-    {
-        builder.ToTable("run_edges");
-        builder.HasKey(e => e.RunEdgeId);
-
-        builder.HasOne(e => e.Run).WithMany(r => r.Edges)
-            .HasForeignKey(e => e.RunId).OnDelete(DeleteBehavior.Cascade);
-
-        builder.HasOne(e => e.ParentRunStage).WithMany()
-            .HasForeignKey(e => e.ParentRunStageId).OnDelete(DeleteBehavior.Restrict);
-        builder.HasOne(e => e.ChildRunStage).WithMany()
-            .HasForeignKey(e => e.ChildRunStageId).OnDelete(DeleteBehavior.Restrict);
-
-        builder.HasIndex(e => new { e.ParentRunStageId, e.ChildRunStageId }).IsUnique();
-    }
-}
-
-public sealed class RunStageInputConfiguration : IEntityTypeConfiguration<RunStageInput>
-{
-    public void Configure(EntityTypeBuilder<RunStageInput> builder)
-    {
-        builder.ToTable("run_stage_inputs");
-        builder.HasKey(i => i.RunInputId);
-
-        builder.Property(i => i.Source).HasConversion<string>().HasMaxLength(20).IsRequired();
-        builder.Property(i => i.PlannedQty).HasPrecision(18, 4);
-        builder.Property(i => i.ConsumedQty).HasPrecision(18, 4);
-        builder.Property(i => i.ConsumedValue).HasPrecision(18, 4);
-        builder.Property(i => i.DeliveredQty).HasPrecision(18, 4);
-        builder.Property(i => i.ReturnedQty).HasPrecision(18, 4);
-        builder.Property(i => i.ReturnedValue).HasPrecision(18, 4);
-
-        builder.HasOne(i => i.RunStage).WithMany(s => s.Inputs)
-            .HasForeignKey(i => i.RunStageId).OnDelete(DeleteBehavior.Cascade);
-
-        builder.HasOne(i => i.Item).WithMany().HasForeignKey(i => i.ItemId).OnDelete(DeleteBehavior.Restrict);
-        builder.HasOne(i => i.Uom).WithMany().HasForeignKey(i => i.UomId).OnDelete(DeleteBehavior.Restrict);
-        builder.HasOne(i => i.FromRunOutput).WithMany()
-            .HasForeignKey(i => i.FromRunOutputId).OnDelete(DeleteBehavior.Restrict);
-
-        // Transfers route by the source output, so this is the hot lookup.
-        builder.HasIndex(i => i.FromRunOutputId);
-    }
-}
-
-public sealed class RunStageOutputConfiguration : IEntityTypeConfiguration<RunStageOutput>
-{
-    public void Configure(EntityTypeBuilder<RunStageOutput> builder)
-    {
-        builder.ToTable("run_stage_outputs");
-        builder.HasKey(o => o.RunOutputId);
-
-        builder.Property(o => o.Name).IsRequired().HasMaxLength(150);
-        builder.Property(o => o.PlannedQty).HasPrecision(18, 4);
-        builder.Property(o => o.ProducedQty).HasPrecision(18, 4);
-        builder.Property(o => o.ScrappedQty).HasPrecision(18, 4);
-        builder.Property(o => o.TransferredQty).HasPrecision(18, 4);
-
-        builder.HasOne(o => o.RunStage).WithMany(s => s.Outputs)
-            .HasForeignKey(o => o.RunStageId).OnDelete(DeleteBehavior.Cascade);
-
-        builder.HasOne(o => o.Item).WithMany().HasForeignKey(o => o.ItemId).OnDelete(DeleteBehavior.Restrict);
-        builder.HasOne(o => o.Uom).WithMany().HasForeignKey(o => o.UomId).OnDelete(DeleteBehavior.Restrict);
-        builder.HasOne(o => o.ScrapReason).WithMany().HasForeignKey(o => o.ScrapReasonCodeId).OnDelete(DeleteBehavior.Restrict);
-    }
-}
-
-public sealed class RunStageEventConfiguration : IEntityTypeConfiguration<RunStageEvent>
-{
-    public void Configure(EntityTypeBuilder<RunStageEvent> builder)
-    {
-        // Append-only history: the app never updates or deletes these rows.
-        builder.ToTable("run_stage_events");
-        builder.HasKey(e => e.EventId);
-
-        builder.Property(e => e.EventType).HasConversion<string>().HasMaxLength(20).IsRequired();
-        builder.Property(e => e.Note).HasMaxLength(500);
-        builder.Property(e => e.Payload).HasColumnType("jsonb");
-        builder.Property(e => e.CreatedAt).IsRequired();
-
-        builder.HasOne(e => e.Run).WithMany(r => r.Events)
-            .HasForeignKey(e => e.RunId).OnDelete(DeleteBehavior.Cascade);
-
-        // SetNull rather than Cascade: the run-level cascade above already removes these
-        // rows, and a second cascade path (run → stage → event) is what EF rejects.
-        builder.HasOne(e => e.RunStage).WithMany(s => s.Events)
-            .HasForeignKey(e => e.RunStageId).OnDelete(DeleteBehavior.SetNull);
-
-        builder.HasOne(e => e.User).WithMany().HasForeignKey(e => e.UserId).OnDelete(DeleteBehavior.Restrict);
-
-        // The run-detail timeline reads the whole run's history in one ordered pass.
-        builder.HasIndex(e => new { e.RunId, e.EventId });
-    }
-}

Backend/ERPCore/Infra/Persistence/Configurations/SalesInvoiceConfiguration.cs

@@ -1,95 +0,0 @@
-using ERPCore.Domain.Entities;
-using ERPCore.Domain.Enums;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Metadata.Builders;
-
-namespace ERPCore.Infra.Persistence.Configurations;
-
-public sealed class SalesInvoiceConfiguration : IEntityTypeConfiguration<SalesInvoice>
-{
-    public void Configure(EntityTypeBuilder<SalesInvoice> builder)
-    {
-        builder.ToTable("sales_invoices");
-        builder.HasKey(x => x.SalesInvoiceId);
-
-        builder.Property(x => x.InvoiceNo).IsRequired().HasMaxLength(50);
-        builder.HasIndex(x => x.InvoiceNo).IsUnique();
-
-        builder.Property(x => x.InvoiceDate).IsRequired();
-
-        builder.HasOne(x => x.Customer)
-            .WithMany()
-            .HasForeignKey(x => x.CustomerId)
-            .OnDelete(DeleteBehavior.Restrict);
-
-        builder.Property(x => x.CustomerSnapshotName).IsRequired().HasMaxLength(200);
-        builder.Property(x => x.CustomerSnapshotTaxNo).HasMaxLength(50);
-
-        builder.HasOne(x => x.Warehouse)
-            .WithMany()
-            .HasForeignKey(x => x.WarehouseId)
-            .OnDelete(DeleteBehavior.Restrict);
-
-        builder.Property(x => x.InvoiceType)
-            .HasConversion<string>().HasMaxLength(20).IsRequired()
-            .HasDefaultValue(SalesInvoiceType.B2C);
-
-        builder.Property(x => x.Status)
-            .HasConversion<string>().HasMaxLength(20).IsRequired()
-            .HasDefaultValue(SalesInvoiceStatus.Draft);
-
-        foreach (var p in new[] { nameof(SalesInvoice.Subtotal), nameof(SalesInvoice.DiscountTotal), nameof(SalesInvoice.TaxTotal), nameof(SalesInvoice.GrandTotal), nameof(SalesInvoice.RoundOff), nameof(SalesInvoice.NetPayable), nameof(SalesInvoice.PaidAmount), nameof(SalesInvoice.BalanceAmount) })
-            builder.Property<decimal>(p).HasPrecision(18, 4);
-
-        builder.Property(x => x.CreatedAt).IsRequired();
-        builder.Property(x => x.RowVersion).IsRowVersion();
-
-        builder.HasIndex(x => x.Status);
-        builder.HasIndex(x => x.InvoiceDate);
-
-        builder.HasMany(x => x.Lines)
-            .WithOne(x => x.SalesInvoice)
-            .HasForeignKey(x => x.SalesInvoiceId)
-            .OnDelete(DeleteBehavior.Cascade);
-    }
-}
-
-public sealed class SalesInvoiceLineConfiguration : IEntityTypeConfiguration<SalesInvoiceLine>
-{
-    public void Configure(EntityTypeBuilder<SalesInvoiceLine> builder)
-    {
-        builder.ToTable("sales_invoice_lines");
-        builder.HasKey(x => x.SalesInvoiceLineId);
-
-        builder.HasOne(x => x.Item)
-            .WithMany()
-            .HasForeignKey(x => x.ItemId)
-            .OnDelete(DeleteBehavior.Restrict);
-
-        builder.Property(x => x.Description).IsRequired().HasMaxLength(200);
-
-        builder.Property(x => x.Qty).HasPrecision(18, 4);
-        builder.Property(x => x.FreeQty).HasPrecision(18, 4);
-        builder.Property(x => x.UnitPrice).HasPrecision(18, 4);
-        builder.Property(x => x.BaseCost).HasPrecision(18, 4);
-        builder.Property(x => x.DiscountPct).HasPrecision(9, 4);
-        builder.Property(x => x.DiscountAmount).HasPrecision(18, 4);
-        builder.Property(x => x.NetUnitPrice).HasPrecision(18, 4);
-        builder.Property(x => x.LineTotal).HasPrecision(18, 4);
-        builder.Property(x => x.TaxPct).HasPrecision(9, 4);
-        builder.Property(x => x.TaxAmount).HasPrecision(18, 4);
-
-        builder.HasOne(x => x.Uom)
-            .WithMany()
-            .HasForeignKey(x => x.UomId)
-            .OnDelete(DeleteBehavior.Restrict);
-
-        builder.HasOne(x => x.Warehouse)
-            .WithMany()
-            .HasForeignKey(x => x.WarehouseId)
-            .OnDelete(DeleteBehavior.Restrict);
-
-        builder.Property(x => x.PriceSource).HasMaxLength(50);
-        builder.Property(x => x.RowVersion).IsRowVersion();
-    }
-}

Backend/ERPCore/Infra/Persistence/Configurations/SalesSlipConfiguration.cs

@@ -1,95 +0,0 @@
-using ERPCore.Domain.Entities;
-using ERPCore.Domain.Enums;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Metadata.Builders;
-
-namespace ERPCore.Infra.Persistence.Configurations;
-
-public sealed class SalesSlipConfiguration : IEntityTypeConfiguration<SalesSlip>
-{
-    public void Configure(EntityTypeBuilder<SalesSlip> builder)
-    {
-        builder.ToTable("sales_slips");
-        builder.HasKey(x => x.SalesSlipId);
-
-        builder.Property(x => x.SlipNo).IsRequired().HasMaxLength(50);
-        builder.HasIndex(x => x.SlipNo).IsUnique();
-
-        builder.Property(x => x.SlipDate).IsRequired();
-
-        builder.HasOne(x => x.Customer)
-            .WithMany()
-            .HasForeignKey(x => x.CustomerId)
-            .OnDelete(DeleteBehavior.Restrict);
-
-        builder.Property(x => x.CustomerSnapshotName).IsRequired().HasMaxLength(200);
-
-        builder.HasOne(x => x.Warehouse)
-            .WithMany()
-            .HasForeignKey(x => x.WarehouseId)
-            .OnDelete(DeleteBehavior.Restrict);
-
-        builder.HasOne(x => x.CashierUser)
-            .WithMany()
-            .HasForeignKey(x => x.CashierUserId)
-            .OnDelete(DeleteBehavior.Restrict);
-
-        builder.Property(x => x.Status)
-            .HasConversion<string>().HasMaxLength(20).IsRequired()
-            .HasDefaultValue(SalesSlipStatus.Draft);
-
-        foreach (var p in new[] { nameof(SalesSlip.Subtotal), nameof(SalesSlip.DiscountTotal), nameof(SalesSlip.TaxTotal), nameof(SalesSlip.GrandTotal), nameof(SalesSlip.PaidAmount), nameof(SalesSlip.BalanceAmount) })
-            builder.Property<decimal>(p).HasPrecision(18, 4);
-
-        builder.Property(x => x.CreatedAt).IsRequired();
-        builder.Property(x => x.RowVersion).IsRowVersion();
-
-        builder.HasIndex(x => x.Status);
-        builder.HasIndex(x => x.SlipDate);
-
-        builder.HasMany(x => x.Lines)
-            .WithOne(x => x.SalesSlip)
-            .HasForeignKey(x => x.SalesSlipId)
-            .OnDelete(DeleteBehavior.Cascade);
-    }
-}
-
-public sealed class SalesSlipLineConfiguration : IEntityTypeConfiguration<SalesSlipLine>
-{
-    public void Configure(EntityTypeBuilder<SalesSlipLine> builder)
-    {
-        builder.ToTable("sales_slip_lines");
-        builder.HasKey(x => x.SalesSlipLineId);
-
-        builder.HasOne(x => x.Item)
-            .WithMany()
-            .HasForeignKey(x => x.ItemId)
-            .OnDelete(DeleteBehavior.Restrict);
-
-        builder.Property(x => x.Description).IsRequired().HasMaxLength(200);
-
-        builder.Property(x => x.Qty).HasPrecision(18, 4);
-        builder.Property(x => x.FreeQty).HasPrecision(18, 4);
-        builder.Property(x => x.UnitPrice).HasPrecision(18, 4);
-        builder.Property(x => x.BaseCost).HasPrecision(18, 4);
-        builder.Property(x => x.DiscountPct).HasPrecision(9, 4);
-        builder.Property(x => x.DiscountAmount).HasPrecision(18, 4);
-        builder.Property(x => x.NetUnitPrice).HasPrecision(18, 4);
-        builder.Property(x => x.LineTotal).HasPrecision(18, 4);
-        builder.Property(x => x.TaxPct).HasPrecision(9, 4);
-        builder.Property(x => x.TaxAmount).HasPrecision(18, 4);
-
-        builder.HasOne(x => x.Uom)
-            .WithMany()
-            .HasForeignKey(x => x.UomId)
-            .OnDelete(DeleteBehavior.Restrict);
-
-        builder.HasOne(x => x.Warehouse)
-            .WithMany()
-            .HasForeignKey(x => x.WarehouseId)
-            .OnDelete(DeleteBehavior.Restrict);
-
-        builder.Property(x => x.PriceSource).HasMaxLength(50);
-        builder.Property(x => x.RowVersion).IsRowVersion();
-    }
-}

Backend/ERPCore/Infra/Persistence/Configurations/SubNavItemConfiguration.cs

@@ -33,27 +33,11 @@ public sealed class SubNavItemConfiguration : IEntityTypeConfiguration<SubNavIte
             new SubNavItem { SubNavItemId = 6, NavItemId = 2, Code = "products.configuration", Label = "Configuration", Href = "/dashboard/products/settings", SortOrder = 6 },
             new SubNavItem { SubNavItemId = 7, NavItemId = 9, Code = "settings.roles", Label = "Roles", Href = "/dashboard/settings/roles", SortOrder = 1 },
             new SubNavItem { SubNavItemId = 8, NavItemId = 9, Code = "settings.users", Label = "Users", Href = "/dashboard/settings/users", SortOrder = 2 },
-            new SubNavItem { SubNavItemId = 23, NavItemId = 13, Code = "sales.bundle-sales", Label = "Bundle Sales", Href = "/dashboard/sales/bundles", SortOrder = 1 },
             // Procurement (NavItemId 4) children — mirror the hub page order.
-            // IDs 17-20 (not 9-12): 9-12 were already claimed by the Ledgers sub-items below;
+            new SubNavItem { SubNavItemId = 9, NavItemId = 4, Code = "procurement.requisitions", Label = "Requisitions", Href = "/dashboard/procurement/requisitions", SortOrder = 1 },
-            // these procurement rows were never actually migrated into the database before now.
+            new SubNavItem { SubNavItemId = 10, NavItemId = 4, Code = "procurement.rfqs", Label = "RFQs", Href = "/dashboard/procurement/rfqs", SortOrder = 2 },
-            new SubNavItem { SubNavItemId = 17, NavItemId = 4, Code = "procurement.requisitions", Label = "Requisitions", Href = "/dashboard/procurement/requisitions", SortOrder = 1 },
+            new SubNavItem { SubNavItemId = 11, NavItemId = 4, Code = "procurement.purchase-orders", Label = "Purchase Orders", Href = "/dashboard/procurement/purchase-orders", SortOrder = 3 },
-            new SubNavItem { SubNavItemId = 18, NavItemId = 4, Code = "procurement.rfqs", Label = "RFQs", Href = "/dashboard/procurement/rfqs", SortOrder = 2 },
+            new SubNavItem { SubNavItemId = 12, NavItemId = 4, Code = "procurement.purchase-returns", Label = "Purchase Returns", Href = "/dashboard/procurement/purchase-returns", SortOrder = 4 }
-            new SubNavItem { SubNavItemId = 19, NavItemId = 4, Code = "procurement.purchase-orders", Label = "Purchase Orders", Href = "/dashboard/procurement/purchase-orders", SortOrder = 3 },
-            new SubNavItem { SubNavItemId = 20, NavItemId = 4, Code = "procurement.purchase-returns", Label = "Purchase Returns", Href = "/dashboard/procurement/purchase-returns", SortOrder = 4 },
-            new SubNavItem { SubNavItemId = 9, NavItemId = 11, Code = "ledgers.trial-balance", Label = "Trial Balance", Href = "/dashboard/ledgers/trial-balance", SortOrder = 1 },
-            new SubNavItem { SubNavItemId = 10, NavItemId = 11, Code = "ledgers.balance-sheet", Label = "Balance Sheet", Href = "/dashboard/ledgers/balance-sheet", SortOrder = 2 },
-            new SubNavItem { SubNavItemId = 11, NavItemId = 11, Code = "ledgers.general-ledger", Label = "General Ledger", Href = "/dashboard/ledgers/general-ledger", SortOrder = 3 },
-            new SubNavItem { SubNavItemId = 12, NavItemId = 11, Code = "ledgers.profit-and-loss", Label = "Profit & Loss", Href = "/dashboard/ledgers/profit-and-loss", SortOrder = 4 },
-            new SubNavItem { SubNavItemId = 13, NavItemId = 11, Code = "ledgers.cash-flow", Label = "Cash Flow", Href = "/dashboard/ledgers/cash-flow", SortOrder = 5 },
-            new SubNavItem { SubNavItemId = 14, NavItemId = 11, Code = "ledgers.budget-vs-actual", Label = "Budget vs Actual", Href = "/dashboard/ledgers/budget-vs-actual", SortOrder = 6 },
-            new SubNavItem { SubNavItemId = 16, NavItemId = 11, Code = "ledgers.tax-report", Label = "Tax Report", Href = "/dashboard/ledgers/tax-report", SortOrder = 7 },
-            // Moved under the new Accounts nav item (2026-07-31) — kept the same SubNavItemId (15)
-            // rather than delete+recreate, so any role that already had this permission granted
-            // doesn't silently lose it just because the section it lives under changed.
-            new SubNavItem { SubNavItemId = 15, NavItemId = 12, Code = "accounts.bank-accounts", Label = "Cash / Bank Accounts", Href = "/dashboard/accounts/bank-accounts", SortOrder = 1 },
-            new SubNavItem { SubNavItemId = 21, NavItemId = 12, Code = "accounts.cheque-books", Label = "Cheque Books", Href = "/dashboard/accounts/cheque-books", SortOrder = 2 },
-            new SubNavItem { SubNavItemId = 22, NavItemId = 12, Code = "accounts.received-cheques", Label = "Received Cheques", Href = "/dashboard/accounts/received-cheques", SortOrder = 3 }
         );
     }
 }

Backend/ERPCore/Infra/Persistence/DataSeeder.cs

@@ -1,5 +1,4 @@
 using ERPCore.Domain.Entities;
-using ERPCore.Domain;
 using ERPCore.Domain.Enums;
 using Microsoft.EntityFrameworkCore;
 
@@ -31,23 +30,13 @@ public static class DataSeeder
         ("WRONG", "Wrong Item", ReasonContext.Return),
         ("OVER", "Over-supply", ReasonContext.Return),
         ("QREJ", "Quality Reject", ReasonContext.Return),
-        // Manufacturing (docs/30 §A.2) — scrap at stage complete, leftover return before
-        // receipt, and the mandatory reason on a run cancel.
-        ("PRD-SCRAP", "Production Scrap", ReasonContext.Production),
-        ("PRD-LEFTOVER", "Production Leftover Return", ReasonContext.Production),
-        ("PRD-CANCEL", "Production Run Cancelled", ReasonContext.Production),
-        ("PRD-REWORK-LOSS", "Production Rework Loss", ReasonContext.Production),
     ];
 
     public static async Task SeedAsync(ErpDbContext db, CancellationToken ct = default)
     {
         var dirty = await SeedReasonCodesAsync(db, ct);
         dirty |= await SeedItemTypesAsync(db, ct);
-       // dirty |= await SeedCompanyProfileAsync(db, ct);
         dirty |= await SeedProductConfigAsync(db, ct);
-        dirty |= await SeedSalesMastersAsync(db, ct);
-        dirty |= await SeedSalesStockAsync(db, ct);
-        dirty |= await SeedSalesAsync(db, ct);
 
         if (dirty) await db.SaveChangesAsync(ct);
     }
@@ -104,754 +93,4 @@ public static class DataSeeder
         });
         return true;
     }
-
-    /// <summary>
-    /// Seeds a printable company profile with reasonable defaults for invoice headers.
-    /// These values are intentionally editable later through the API.
-    /// </summary>
-    //private static async Task<bool> SeedCompanyProfileAsync(ErpDbContext db, CancellationToken ct)
-    //{
-    //    if (await db.CompanyProfiles.AnyAsync(c => c.CompanyProfileId == CompanyProfile.SingletonId, ct)) return false;
-
-    //    db.CompanyProfiles.Add(new CompanyProfile
-    //    {
-    //        CompanyProfileId = CompanyProfile.SingletonId,
-    //        LegalName = "ERP Core Trading (Pvt) Ltd",
-    //        TradeName = "ERP Core Trading",
-    //        TaxRegistrationNo = "TAX-DEFAULT-001",
-    //        VatRegistrationNo = "VAT-DEFAULT-001",
-    //        AddressLine1 = "1 Demo Street",
-    //        City = "Colombo",
-    //        Country = "Sri Lanka",
-    //        Phone = "+94 11 000 0000",
-    //        Email = "accounts@example.com",
-    //        BankName = "Demo Bank",
-    //        BankBranch = "Colombo Main",
-    //        AccountName = "ERP Core Trading (Pvt) Ltd",
-    //        AccountNumber = "000123456789",
-    //        SwiftCode = "DEMO1234",
-    //        FooterNote = "Thank you for your business."
-    //    });
-    //    return true;
-    //}
-
-    /// <summary>
-    /// Seeds the minimum catalog data required for the sales demo rows to exist.
-    /// These are safe additive rows and do not alter any existing data.
-    /// </summary>
-    private static async Task<bool> SeedSalesMastersAsync(ErpDbContext db, CancellationToken ct)
-    {
-        var dirty = false;
-
-        dirty |= await SeedWarehousesAsync(db, ct);
-        dirty |= await SeedUomsAsync(db, ct);
-        dirty |= await SeedCategoriesAsync(db, ct);
-        dirty |= await SeedItemsAsync(db, ct);
-
-        return dirty;
-    }
-
-    /// <summary>
-    /// Seeds a simple on-hand FIFO layer for the demo sales item so the sample
-    /// invoices can be posted without immediately failing stock validation.
-    /// This keeps the stock-check and posting flows testable on a fresh database.
-    /// </summary>
-    private static async Task<bool> SeedSalesStockAsync(ErpDbContext db, CancellationToken ct)
-    {
-        var warehouse = await db.Warehouses.AsNoTracking()
-            .OrderBy(w => w.WarehouseId)
-            .FirstOrDefaultAsync(ct);
-        var item = await db.Items.AsNoTracking()
-            .OrderBy(i => i.ItemId)
-            .FirstOrDefaultAsync(ct);
-        var secondItem = await db.Items.AsNoTracking()
-            .OrderByDescending(i => i.ItemId)
-            .FirstOrDefaultAsync(ct);
-
-        if (warehouse is null || item is null || secondItem is null)
-            return false;
-
-        var existing = await db.StockLayers.AnyAsync(
-            l => (l.ItemId == item.ItemId || l.ItemId == secondItem.ItemId) && l.WarehouseId == warehouse.WarehouseId && l.QtyRemaining > 0m,
-            ct);
-        if (existing) return false;
-
-        db.StockLayers.Add(new StockLayer
-        {
-            ItemId = item.ItemId,
-            WarehouseId = warehouse.WarehouseId,
-            QtyReceived = 100m,
-            QtyRemaining = 100m,
-            UnitCost = item.SalePrice.GetValueOrDefault() > 0m ? item.SalePrice.GetValueOrDefault() / 2m : 25m,
-            ReceiptDate = DateTime.UtcNow.AddDays(-7)
-        });
-        db.StockLayers.Add(new StockLayer
-        {
-            ItemId = secondItem.ItemId,
-            WarehouseId = warehouse.WarehouseId,
-            QtyReceived = 5m,
-            QtyRemaining = 5m,
-            UnitCost = secondItem.SalePrice.GetValueOrDefault() > 0m ? secondItem.SalePrice.GetValueOrDefault() / 2m : 15m,
-            ReceiptDate = DateTime.UtcNow.AddDays(-6)
-        });
-        return true;
-    }
-
-    private static async Task<bool> SeedWarehousesAsync(ErpDbContext db, CancellationToken ct)
-    {
-        var existingCodes = await db.Warehouses.Select(w => w.Code).ToListAsync(ct);
-        var have = existingCodes.ToHashSet(StringComparer.OrdinalIgnoreCase);
-
-        var seeds = new[]
-        {
-            new Warehouse { Code = "MAIN", Name = "Main Warehouse" },
-            new Warehouse { Code = "SHOP", Name = "Sales Counter" }
-        };
-
-        var toAdd = seeds.Where(w => !have.Contains(w.Code)).ToList();
-        if (toAdd.Count == 0) return false;
-
-        db.Warehouses.AddRange(toAdd);
-        return true;
-    }
-
-    private static async Task<bool> SeedUomsAsync(ErpDbContext db, CancellationToken ct)
-    {
-        var existingNames = await db.Uoms.Select(u => u.Name).ToListAsync(ct);
-        var have = existingNames.ToHashSet(StringComparer.OrdinalIgnoreCase);
-
-        var seeds = new[]
-        {
-            new Uom { Name = "PCS" },
-            new Uom { Name = "BOX" }
-        };
-
-        var toAdd = seeds.Where(u => !have.Contains(u.Name)).ToList();
-        if (toAdd.Count == 0) return false;
-
-        db.Uoms.AddRange(toAdd);
-        return true;
-    }
-
-    private static async Task<bool> SeedCategoriesAsync(ErpDbContext db, CancellationToken ct)
-    {
-        var existingNames = await db.Categories.Select(c => c.Name).ToListAsync(ct);
-        var have = existingNames.ToHashSet(StringComparer.OrdinalIgnoreCase);
-
-        var seeds = new[]
-        {
-            new Category { Name = "General Goods", Status = EntityStatus.Active, CreatedAt = DateTime.UtcNow },
-            new Category { Name = "Accessories", Status = EntityStatus.Active, CreatedAt = DateTime.UtcNow }
-        };
-
-        var toAdd = seeds.Where(c => !have.Contains(c.Name)).ToList();
-        if (toAdd.Count == 0) return false;
-
-        db.Categories.AddRange(toAdd);
-        return true;
-    }
-
-    private static async Task<bool> SeedItemsAsync(ErpDbContext db, CancellationToken ct)
-    {
-        var existingSkus = await db.Items.Select(i => i.Sku).ToListAsync(ct);
-        var have = existingSkus.ToHashSet(StringComparer.OrdinalIgnoreCase);
-
-        var category = await db.Categories.AsNoTracking()
-            .OrderBy(c => c.CategoryId)
-            .FirstOrDefaultAsync(ct);
-        var uom = await db.Uoms.AsNoTracking()
-            .OrderBy(u => u.UomId)
-            .FirstOrDefaultAsync(ct);
-
-        if (category is null || uom is null)
-            return false;
-
-        var now = DateTime.UtcNow;
-        var seeds = new[]
-        {
-            new Item
-            {
-                Sku = "SKU-DEMO-001",
-                Name = "Demo Item 1",
-                Description = "Seeded sample item for sales documents",
-                CategoryId = category.CategoryId,
-                BaseUomId = uom.UomId,
-                StockNature = StockNature.Stocked,
-                TrackingMode = TrackingMode.None,
-                SalePrice = 100m,
-                Status = EntityStatus.Active,
-                CreatedAt = now
-            },
-            new Item
-            {
-                Sku = "SKU-DEMO-002",
-                Name = "Demo Item 2",
-                Description = "Secondary seeded sample item for sales documents",
-                CategoryId = category.CategoryId,
-                BaseUomId = uom.UomId,
-                StockNature = StockNature.Stocked,
-                TrackingMode = TrackingMode.None,
-                SalePrice = 50m,
-                Status = EntityStatus.Active,
-                CreatedAt = now
-            }
-        };
-
-        var toAdd = seeds.Where(i => !have.Contains(i.Sku)).ToList();
-        if (toAdd.Count == 0) return false;
-
-        db.Items.AddRange(toAdd);
-        return true;
-    }
-
-    /// <summary>
-    /// Seeds the minimum sales bootstrap data needed for UI/backend development:
-    /// a couple of customer rows, current-year document counters, and a few draft
-    /// invoice/slip samples when the required master data already exists.
-    /// This intentionally never clears or rewrites any existing rows.
-    /// </summary>
-    private static async Task<bool> SeedSalesAsync(ErpDbContext db, CancellationToken ct)
-    {
-        var dirty = false;
-
-        dirty |= await SeedSalesCustomersAsync(db, ct);
-        dirty |= await SeedSalesSequencesAsync(db, ct);
-        dirty |= await SeedSampleSalesDocsAsync(db, ct);
-
-        try
-        {
-            dirty |= await SeedBundleSalesAsync(db, ct);
-        }
-        catch
-        {
-            // Bundle demo data is best-effort only; never block startup because of seed drift.
-        }
-
-        return dirty;
-    }
-
-    private static async Task<bool> SeedSalesCustomersAsync(ErpDbContext db, CancellationToken ct)
-    {
-        var existingCodes = await db.Customers.Select(c => c.CustomerCode).ToListAsync(ct);
-        var have = existingCodes.ToHashSet(StringComparer.OrdinalIgnoreCase);
-
-        var seeds = new[]
-        {
-            new Customer
-            {
-                CustomerCode = "CUST-WALKIN",
-                CustomerType = CustomerType.B2C,
-                Name = "Walk-in Customer",
-                DisplayName = "Walk-in Customer",
-                CreditLimit = 0m,
-                CreditDays = 0,
-                Status = EntityStatus.Active,
-                CreatedAt = DateTime.UtcNow
-            },
-            new Customer
-            {
-                CustomerCode = "CUST-DEMO",
-                CustomerType = CustomerType.B2B,
-                Name = "Demo Retail Ltd",
-                DisplayName = "Demo Retail Ltd",
-                Phone = "+94 11 000 0000",
-                Email = "sales@example.com",
-                AddressLine1 = "1 Demo Street",
-                City = "Colombo",
-                Country = "Sri Lanka",
-                TaxRegistrationNo = "VAT-DEMO-001",
-                CreditLimit = 250000m,
-                CreditDays = 30,
-                Status = EntityStatus.Active,
-                CreatedAt = DateTime.UtcNow
-            }
-        };
-
-        var toAdd = seeds.Where(c => !have.Contains(c.CustomerCode)).ToList();
-        if (toAdd.Count == 0) return false;
-
-        db.Customers.AddRange(toAdd);
-        return true;
-    }
-
-    private static async Task<bool> SeedSalesSequencesAsync(ErpDbContext db, CancellationToken ct)
-    {
-        var year = DateTime.UtcNow.Year;
-        var existing = await db.NumberSequences
-            .Where(s => s.Year == year && (s.DocType == DocumentTypes.SalesInvoice || s.DocType == DocumentTypes.SalesSlip || s.DocType == DocumentTypes.BundleSale))
-            .Select(s => s.DocType)
-            .ToListAsync(ct);
-        var have = existing.ToHashSet(StringComparer.OrdinalIgnoreCase);
-
-        var seeds = new[]
-        {
-            new NumberSequence { DocType = DocumentTypes.SalesInvoice, Year = year, LastNumber = 0 },
-            new NumberSequence { DocType = DocumentTypes.SalesSlip, Year = year, LastNumber = 0 },
-            new NumberSequence { DocType = DocumentTypes.BundleSale, Year = year, LastNumber = 0 }
-        };
-
-        var toAdd = seeds.Where(s => !have.Contains(s.DocType)).ToList();
-        if (toAdd.Count == 0) return false;
-
-        db.NumberSequences.AddRange(toAdd);
-        return true;
-    }
-
-    private static async Task<bool> SeedBundleSalesAsync(ErpDbContext db, CancellationToken ct)
-    {
-        if (await db.BundleSaleTemplates.AnyAsync(ct) || await db.BundleSales.AnyAsync(ct))
-            return false;
-
-        var customer = await db.Customers.AsNoTracking()
-            .OrderBy(c => c.CustomerId)
-            .FirstOrDefaultAsync(ct);
-        var warehouse = await db.Warehouses.AsNoTracking()
-            .OrderBy(w => w.WarehouseId)
-            .FirstOrDefaultAsync(ct);
-        var secondaryWarehouse = await db.Warehouses.AsNoTracking()
-            .OrderByDescending(w => w.WarehouseId)
-            .FirstOrDefaultAsync(ct);
-        var items = await db.Items.AsNoTracking()
-            .OrderBy(i => i.ItemId)
-            .Take(2)
-            .ToListAsync(ct);
-        var uom = await db.Uoms.AsNoTracking()
-            .OrderBy(u => u.UomId)
-            .FirstOrDefaultAsync(ct);
-        var user = await db.Users.AsNoTracking()
-            .OrderBy(u => u.UserId)
-            .FirstOrDefaultAsync(ct);
-
-        if (customer is null || warehouse is null || secondaryWarehouse is null || items.Count < 2 || uom is null || user is null)
-            return false;
-
-        var now = DateTime.UtcNow;
-        var template = new BundleSaleTemplate
-        {
-            TemplateCode = "BND-DEMO-001",
-            TemplateName = "Demo Bundle Pack",
-            Description = "Seeded fixed bundle template for integration testing",
-            Status = EntityStatus.Active,
-            CreatedAt = now,
-            Lines =
-            [
-                new BundleSaleTemplateLine
-                {
-                    ItemId = items[0].ItemId,
-                    UomId = uom.UomId,
-                    WarehouseId = warehouse.WarehouseId,
-                    Qty = 1m,
-                    UnitPrice = items[0].SalePrice.GetValueOrDefault(),
-                    IncludeInBundle = true,
-                    SortOrder = 1
-                },
-                new BundleSaleTemplateLine
-                {
-                    ItemId = items[1].ItemId,
-                    UomId = uom.UomId,
-                    WarehouseId = warehouse.WarehouseId,
-                    Qty = 1m,
-                    UnitPrice = items[1].SalePrice.GetValueOrDefault(),
-                    IncludeInBundle = true,
-                    SortOrder = 2
-                }
-            ]
-        };
-
-        db.BundleSaleTemplates.Add(template);
-        await db.SaveChangesAsync(ct);
-
-        var bundleSales = new[]
-        {
-            new BundleSale
-            {
-                BundleNo = $"BND-{now:yyyy}-00001",
-                BundleDate = now.Date.AddDays(-2),
-                CustomerId = customer.CustomerId,
-                CustomerSnapshotName = customer.DisplayName ?? customer.Name,
-                WarehouseId = warehouse.WarehouseId,
-                CashierUserId = user.UserId,
-                BundleSaleTemplateId = template.BundleSaleTemplateId,
-                BundleName = "Demo Bundle Draft",
-                BundleCode = "BND-DEMO-001",
-                Status = BundleSaleStatus.Draft,
-                ComponentSubtotal = items[0].SalePrice.GetValueOrDefault() + items[1].SalePrice.GetValueOrDefault(),
-                BundlePrice = 0m,
-                MarginAmount = -(items[0].SalePrice.GetValueOrDefault() + items[1].SalePrice.GetValueOrDefault()),
-                DiscountTotal = items[0].SalePrice.GetValueOrDefault() + items[1].SalePrice.GetValueOrDefault(),
-                TaxTotal = 0m,
-                GrandTotal = 0m,
-                CreatedAt = now.AddDays(-2),
-                Lines =
-                [
-                    new BundleSaleLine
-                    {
-                        ItemId = items[0].ItemId,
-                        Description = items[0].Name,
-                        Qty = 1m,
-                        UomId = uom.UomId,
-                        WarehouseId = warehouse.WarehouseId,
-                        UnitPrice = items[0].SalePrice.GetValueOrDefault(),
-                        LineTotal = items[0].SalePrice.GetValueOrDefault(),
-                        IncludeInBundle = true,
-                        IsComponent = true
-                    },
-                    new BundleSaleLine
-                    {
-                        ItemId = items[1].ItemId,
-                        Description = items[1].Name,
-                        Qty = 1m,
-                        UomId = uom.UomId,
-                        WarehouseId = warehouse.WarehouseId,
-                        UnitPrice = items[1].SalePrice.GetValueOrDefault(),
-                        LineTotal = items[1].SalePrice.GetValueOrDefault(),
-                        IncludeInBundle = true,
-                        IsComponent = true
-                    }
-                ]
-            },
-            new BundleSale
-            {
-                BundleNo = $"BND-{now:yyyy}-00002",
-                BundleDate = now.Date.AddDays(-1),
-                CustomerId = customer.CustomerId,
-                CustomerSnapshotName = customer.DisplayName ?? customer.Name,
-                WarehouseId = warehouse.WarehouseId,
-                CashierUserId = user.UserId,
-                BundleSaleTemplateId = template.BundleSaleTemplateId,
-                BundleName = "Demo Bundle Posted",
-                BundleCode = "BND-DEMO-001",
-                Status = BundleSaleStatus.Posted,
-                ComponentSubtotal = items[0].SalePrice.GetValueOrDefault() + items[1].SalePrice.GetValueOrDefault(),
-                BundlePrice = (items[0].SalePrice.GetValueOrDefault() + items[1].SalePrice.GetValueOrDefault()) - 10m,
-                MarginAmount = -10m,
-                DiscountTotal = 10m,
-                TaxTotal = 0m,
-                GrandTotal = (items[0].SalePrice.GetValueOrDefault() + items[1].SalePrice.GetValueOrDefault()) - 10m,
-                CreatedAt = now.AddDays(-1),
-                UpdatedAt = now.AddHours(-2),
-                Lines =
-                [
-                    new BundleSaleLine
-                    {
-                        ItemId = items[0].ItemId,
-                        Description = items[0].Name,
-                        Qty = 1m,
-                        UomId = uom.UomId,
-                        WarehouseId = warehouse.WarehouseId,
-                        UnitPrice = items[0].SalePrice.GetValueOrDefault(),
-                        LineTotal = items[0].SalePrice.GetValueOrDefault(),
-                        IncludeInBundle = true,
-                        IsComponent = true
-                    },
-                    new BundleSaleLine
-                    {
-                        ItemId = items[1].ItemId,
-                        Description = items[1].Name,
-                        Qty = 1m,
-                        UomId = uom.UomId,
-                        WarehouseId = warehouse.WarehouseId,
-                        UnitPrice = items[1].SalePrice.GetValueOrDefault(),
-                        LineTotal = items[1].SalePrice.GetValueOrDefault(),
-                        IncludeInBundle = true,
-                        IsComponent = true
-                    }
-                ]
-            },
-            new BundleSale
-            {
-                BundleNo = $"BND-{now:yyyy}-00003",
-                BundleDate = now.Date,
-                CustomerId = customer.CustomerId,
-                CustomerSnapshotName = customer.DisplayName ?? customer.Name,
-                WarehouseId = secondaryWarehouse.WarehouseId,
-                CashierUserId = user.UserId,
-                BundleSaleTemplateId = template.BundleSaleTemplateId,
-                BundleName = "Demo Bundle Cancelled",
-                BundleCode = "BND-DEMO-001",
-                Status = BundleSaleStatus.Cancelled,
-                ComponentSubtotal = items[0].SalePrice.GetValueOrDefault(),
-                BundlePrice = items[0].SalePrice.GetValueOrDefault(),
-                MarginAmount = 0m,
-                DiscountTotal = 0m,
-                TaxTotal = 0m,
-                GrandTotal = items[0].SalePrice.GetValueOrDefault(),
-                CreatedAt = now,
-                UpdatedAt = now,
-                Lines =
-                [
-                    new BundleSaleLine
-                    {
-                        ItemId = items[0].ItemId,
-                        Description = items[0].Name,
-                        Qty = 1m,
-                        UomId = uom.UomId,
-                        WarehouseId = secondaryWarehouse.WarehouseId,
-                        UnitPrice = items[0].SalePrice.GetValueOrDefault(),
-                        LineTotal = items[0].SalePrice.GetValueOrDefault(),
-                        IncludeInBundle = true,
-                        IsComponent = true
-                    }
-                ]
-            }
-        };
-
-        db.BundleSales.AddRange(bundleSales);
-        return true;
-    }
-
-    private static async Task<bool> SeedSampleSalesDocsAsync(ErpDbContext db, CancellationToken ct)
-    {
-        if (await db.SalesInvoices.AnyAsync(ct) || await db.SalesSlips.AnyAsync(ct))
-            return false;
-
-        var customer = await db.Customers.AsNoTracking()
-            .OrderBy(c => c.CustomerId)
-            .FirstOrDefaultAsync(ct);
-        var warehouse = await db.Warehouses.AsNoTracking()
-            .OrderBy(w => w.WarehouseId)
-            .FirstOrDefaultAsync(ct);
-        var secondaryWarehouse = await db.Warehouses.AsNoTracking()
-            .OrderByDescending(w => w.WarehouseId)
-            .FirstOrDefaultAsync(ct);
-        var items = await db.Items.AsNoTracking()
-            .OrderBy(i => i.ItemId)
-            .Take(2)
-            .ToListAsync(ct);
-        var uom = await db.Uoms.AsNoTracking()
-            .OrderBy(u => u.UomId)
-            .FirstOrDefaultAsync(ct);
-        var user = await db.Users.AsNoTracking()
-            .OrderBy(u => u.UserId)
-            .FirstOrDefaultAsync(ct);
-
-        if (customer is null || warehouse is null || secondaryWarehouse is null || items.Count < 2 || uom is null || user is null)
-            return false;
-
-        var postableItem = items[0];
-        var shortageItem = items[1];
-        var today = DateTime.UtcNow.Date;
-        var createdAt = DateTime.UtcNow.AddDays(-1);
-
-        db.SalesInvoices.AddRange(
-            new SalesInvoice
-            {
-                InvoiceNo = $"SI-{today:yyyy}-00001",
-                InvoiceDate = today.AddDays(-2),
-                CustomerId = customer.CustomerId,
-                CustomerSnapshotName = customer.Name,
-                CustomerSnapshotTaxNo = customer.TaxRegistrationNo,
-                WarehouseId = warehouse.WarehouseId,
-                InvoiceType = SalesInvoiceType.B2C,
-                Status = SalesInvoiceStatus.Draft,
-                Subtotal = 200m,
-                DiscountTotal = 0m,
-                TaxTotal = 0m,
-                GrandTotal = 200m,
-                RoundOff = 0m,
-                NetPayable = 200m,
-                PaidAmount = 0m,
-                BalanceAmount = 200m,
-                CreatedBy = user.UserId,
-                CreatedAt = createdAt,
-                Lines =
-                [
-                    new SalesInvoiceLine
-                    {
-                        ItemId = postableItem.ItemId,
-                        Description = postableItem.Name,
-                        Qty = 2m,
-                        FreeQty = 0m,
-                        UomId = uom.UomId,
-                        WarehouseId = warehouse.WarehouseId,
-                        UnitPrice = 100m,
-                        BaseCost = 0m,
-                        PriceSource = "seed",
-                        DiscountMode = SalesDiscountMode.Percentage,
-                        DiscountPct = 0m,
-                        DiscountAmount = 0m,
-                        NetUnitPrice = 100m,
-                        LineTotal = 200m,
-                        TaxPct = 0m,
-                        TaxAmount = 0m,
-                        IsFreeIssue = false
-                    }
-                ]
-            },
-            new SalesInvoice
-            {
-                InvoiceNo = $"SI-{today:yyyy}-00002",
-                InvoiceDate = today.AddDays(-1),
-                CustomerId = customer.CustomerId,
-                CustomerSnapshotName = customer.Name,
-                CustomerSnapshotTaxNo = customer.TaxRegistrationNo,
-                WarehouseId = secondaryWarehouse.WarehouseId,
-                InvoiceType = SalesInvoiceType.B2B,
-                Status = SalesInvoiceStatus.Draft,
-                Subtotal = 300m,
-                DiscountTotal = 0m,
-                TaxTotal = 0m,
-                GrandTotal = 300m,
-                RoundOff = 0m,
-                NetPayable = 300m,
-                PaidAmount = 0m,
-                BalanceAmount = 300m,
-                CreatedBy = user.UserId,
-                CreatedAt = createdAt,
-                Lines =
-                [
-                    new SalesInvoiceLine
-                    {
-                        ItemId = shortageItem.ItemId,
-                        Description = shortageItem.Name,
-                        Qty = 6m,
-                        FreeQty = 0m,
-                        UomId = uom.UomId,
-                        WarehouseId = secondaryWarehouse.WarehouseId,
-                        UnitPrice = 50m,
-                        BaseCost = 0m,
-                        PriceSource = "seed",
-                        DiscountMode = SalesDiscountMode.Percentage,
-                        DiscountPct = 0m,
-                        DiscountAmount = 0m,
-                        NetUnitPrice = 50m,
-                        LineTotal = 300m,
-                        TaxPct = 0m,
-                        TaxAmount = 0m,
-                        IsFreeIssue = false
-                    }
-                ]
-            },
-            new SalesInvoice
-            {
-                InvoiceNo = $"SI-{today:yyyy}-00003",
-                InvoiceDate = today,
-                CustomerId = customer.CustomerId,
-                CustomerSnapshotName = customer.Name,
-                CustomerSnapshotTaxNo = customer.TaxRegistrationNo,
-                WarehouseId = warehouse.WarehouseId,
-                InvoiceType = SalesInvoiceType.B2C,
-                Status = SalesInvoiceStatus.Posted,
-                Subtotal = 100m,
-                DiscountTotal = 0m,
-                TaxTotal = 0m,
-                GrandTotal = 100m,
-                RoundOff = 0m,
-                NetPayable = 100m,
-                PaidAmount = 100m,
-                BalanceAmount = 0m,
-                CreatedBy = user.UserId,
-                CreatedAt = createdAt,
-                UpdatedAt = DateTime.UtcNow,
-                Lines =
-                [
-                    new SalesInvoiceLine
-                    {
-                        ItemId = postableItem.ItemId,
-                        Description = postableItem.Name,
-                        Qty = 1m,
-                        FreeQty = 0m,
-                        UomId = uom.UomId,
-                        WarehouseId = warehouse.WarehouseId,
-                        UnitPrice = 100m,
-                        BaseCost = 0m,
-                        PriceSource = "seed",
-                        DiscountMode = SalesDiscountMode.Percentage,
-                        DiscountPct = 0m,
-                        DiscountAmount = 0m,
-                        NetUnitPrice = 100m,
-                        LineTotal = 100m,
-                        TaxPct = 0m,
-                        TaxAmount = 0m,
-                        IsFreeIssue = false
-                    }
-                ]
-            }
-        );
-
-        db.SalesSlips.AddRange(
-            new SalesSlip
-            {
-                SlipNo = $"SSL-{today:yyyy}-00001",
-                SlipDate = today.AddDays(-2),
-                CustomerId = customer.CustomerId,
-                CustomerSnapshotName = customer.Name,
-                WarehouseId = warehouse.WarehouseId,
-                CashierUserId = user.UserId,
-                Status = SalesSlipStatus.Draft,
-                Subtotal = 50m,
-                DiscountTotal = 0m,
-                TaxTotal = 0m,
-                GrandTotal = 50m,
-                PaidAmount = 0m,
-                BalanceAmount = 50m,
-                CreatedAt = createdAt,
-                Lines =
-                [
-                    new SalesSlipLine
-                    {
-                        ItemId = postableItem.ItemId,
-                        Description = postableItem.Name,
-                        Qty = 1m,
-                        FreeQty = 0m,
-                        UomId = uom.UomId,
-                        WarehouseId = warehouse.WarehouseId,
-                        UnitPrice = 50m,
-                        BaseCost = 0m,
-                        PriceSource = "seed",
-                        DiscountMode = SalesDiscountMode.Percentage,
-                        DiscountPct = 0m,
-                        DiscountAmount = 0m,
-                        NetUnitPrice = 50m,
-                        LineTotal = 50m,
-                        TaxPct = 0m,
-                        TaxAmount = 0m,
-                        IsFreeIssue = false
-                    }
-                ]
-            },
-            new SalesSlip
-            {
-                SlipNo = $"SSL-{today:yyyy}-00002",
-                SlipDate = today.AddDays(-1),
-                CustomerId = customer.CustomerId,
-                CustomerSnapshotName = customer.Name,
-                WarehouseId = secondaryWarehouse.WarehouseId,
-                CashierUserId = user.UserId,
-                Status = SalesSlipStatus.Draft,
-                Subtotal = 150m,
-                DiscountTotal = 15m,
-                TaxTotal = 0m,
-                GrandTotal = 135m,
-                PaidAmount = 0m,
-                BalanceAmount = 135m,
-                CreatedAt = createdAt,
-                Lines =
-                [
-                    new SalesSlipLine
-                    {
-                        ItemId = shortageItem.ItemId,
-                        Description = shortageItem.Name,
-                        Qty = 3m,
-                        FreeQty = 0m,
-                        UomId = uom.UomId,
-                        WarehouseId = secondaryWarehouse.WarehouseId,
-                        UnitPrice = 50m,
-                        BaseCost = 0m,
-                        PriceSource = "seed",
-                        DiscountMode = SalesDiscountMode.Percentage,
-                        DiscountPct = 10m,
-                        DiscountAmount = 15m,
-                        NetUnitPrice = 45m,
-                        LineTotal = 135m,
-                        TaxPct = 0m,
-                        TaxAmount = 0m,
-                        IsFreeIssue = false
-                    }
-                ]
-            }
-        );
-
-        return true;
-    }
 }

Backend/ERPCore/Infra/Persistence/ErpDbContext.cs

@@ -15,7 +15,6 @@ namespace ERPCore.Infra.Persistence;
 public class ErpDbContext : DbContext
 {
     private readonly ICurrentUser _currentUser;
-    private bool _writingAuditLogs;
 
     public ErpDbContext(DbContextOptions<ErpDbContext> options, ICurrentUser currentUser) : base(options)
     {
@@ -23,7 +22,6 @@ public class ErpDbContext : DbContext
     }
 
     // --- Master Data (docs/10 Part C.1) ---
-    public DbSet<Customer> Customers => Set<Customer>();
     public DbSet<Category> Categories => Set<Category>();
     public DbSet<SubCategory> SubCategories => Set<SubCategory>();
     public DbSet<Brand> Brands => Set<Brand>();
@@ -36,7 +34,6 @@ public class ErpDbContext : DbContext
     public DbSet<Vendor> Vendors => Set<Vendor>();
     public DbSet<Warehouse> Warehouses => Set<Warehouse>();
     public DbSet<Bin> Bins => Set<Bin>();
-    
     /// <summary>Singleton row (FR-MD-11).</summary>
     public DbSet<ProductConfig> ProductConfig => Set<ProductConfig>();
 
@@ -85,16 +82,6 @@ public class ErpDbContext : DbContext
     public DbSet<PurchaseReturn> PurchaseReturns => Set<PurchaseReturn>();
     public DbSet<PurchaseReturnLine> PurchaseReturnLines => Set<PurchaseReturnLine>();
 
-    // --- Sales (Phase 1) ---
-    public DbSet<SalesInvoice> SalesInvoices => Set<SalesInvoice>();
-    public DbSet<SalesInvoiceLine> SalesInvoiceLines => Set<SalesInvoiceLine>();
-    public DbSet<SalesSlip> SalesSlips => Set<SalesSlip>();
-    public DbSet<SalesSlipLine> SalesSlipLines => Set<SalesSlipLine>();
-    public DbSet<BundleSaleTemplate> BundleSaleTemplates => Set<BundleSaleTemplate>();
-    public DbSet<BundleSaleTemplateLine> BundleSaleTemplateLines => Set<BundleSaleTemplateLine>();
-    public DbSet<BundleSale> BundleSales => Set<BundleSale>();
-    public DbSet<BundleSaleLine> BundleSaleLines => Set<BundleSaleLine>();
-
     // --- Reference data (docs/10 Part C.7) ---
     public DbSet<ReasonCode> ReasonCodes => Set<ReasonCode>();
 
@@ -139,21 +126,6 @@ public class ErpDbContext : DbContext
     public DbSet<PayrollLineComponent> PayrollLineComponents => Set<PayrollLineComponent>();
     public DbSet<Payslip> Payslips => Set<Payslip>();
 
-    // --- Manufacturing: production templates (docs/30-BACKEND-PHASE2.md Part C) ---
-    public DbSet<ProductionTemplate> ProductionTemplates => Set<ProductionTemplate>();
-    public DbSet<TemplateStage> TemplateStages => Set<TemplateStage>();
-    public DbSet<StageEdge> StageEdges => Set<StageEdge>();
-    public DbSet<StageInput> StageInputs => Set<StageInput>();
-    public DbSet<StageOutput> StageOutputs => Set<StageOutput>();
-
-    // --- Manufacturing: production runs (docs/30-BACKEND-PHASE2.md Part C) ---
-    public DbSet<ProductionRun> ProductionRuns => Set<ProductionRun>();
-    public DbSet<RunStage> RunStages => Set<RunStage>();
-    public DbSet<RunEdge> RunEdges => Set<RunEdge>();
-    public DbSet<RunStageInput> RunStageInputs => Set<RunStageInput>();
-    public DbSet<RunStageOutput> RunStageOutputs => Set<RunStageOutput>();
-    public DbSet<RunStageEvent> RunStageEvents => Set<RunStageEvent>();
-
     protected override void OnModelCreating(ModelBuilder modelBuilder)
     {
         base.OnModelCreating(modelBuilder);
@@ -191,44 +163,24 @@ public class ErpDbContext : DbContext
     // persists the logs without re-auditing them.
     public override async Task<int> SaveChangesAsync(bool acceptAllChangesOnSuccess, CancellationToken ct = default)
     {
-        IReadOnlyList<PendingAudit> pending = _writingAuditLogs
+        var pending = AuditScribe.Capture(ChangeTracker);
-            ? Array.Empty<PendingAudit>()
-            : AuditScribe.Capture(ChangeTracker);
         var result = await base.SaveChangesAsync(acceptAllChangesOnSuccess, ct);
         if (pending.Count > 0)
         {
-            try
+            WriteAuditLogs(pending);
-            {
+            await base.SaveChangesAsync(acceptAllChangesOnSuccess, ct);
-                _writingAuditLogs = true;
-                WriteAuditLogs(pending);
-                await base.SaveChangesAsync(acceptAllChangesOnSuccess, ct);
-            }
-            finally
-            {
-                _writingAuditLogs = false;
-            }
         }
         return result;
     }
 
     public override int SaveChanges(bool acceptAllChangesOnSuccess)
     {
-        IReadOnlyList<PendingAudit> pending = _writingAuditLogs
+        var pending = AuditScribe.Capture(ChangeTracker);
-            ? Array.Empty<PendingAudit>()
-            : AuditScribe.Capture(ChangeTracker);
         var result = base.SaveChanges(acceptAllChangesOnSuccess);
         if (pending.Count > 0)
         {
-            try
+            WriteAuditLogs(pending);
-            {
+            base.SaveChanges(acceptAllChangesOnSuccess);
-                _writingAuditLogs = true;
-                WriteAuditLogs(pending);
-                base.SaveChanges(acceptAllChangesOnSuccess);
-            }
-            finally
-            {
-                _writingAuditLogs = false;
-            }
         }
         return result;
     }

Backend/ERPCore/Infra/Persistence/Migrations/20260716134938_AddBrandsSubcategoriesItemTypesAndProductConfig.cs

@@ -0,0 +1,442 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace ERPCore.Infra.Persistence.Migrations
+{
+    /// <summary>
+    /// Adds the Brand / SubCategory / ItemType masters and the singleton product config,
+    /// and converts CATEGORY from a self-nesting tree into a fixed two-level
+    /// Category → SubCategory hierarchy (docs/10 Part C.1).
+    /// <para>
+    /// <b>This migration carries data, not just DDL.</b> The scaffolded version dropped
+    /// <c>categories.ParentId</c> outright, which would have silently flattened every
+    /// child category into a root and left items pointing at what is now a top-level
+    /// category — losing the parent entirely. The hand-written steps below (marked
+    /// "data migration") move child categories into <c>subcategories</c> and repoint items
+    /// onto the correct (category, subcategory) pair before the column goes away.
+    /// </para>
+    /// </summary>
+    public partial class AddBrandsSubcategoriesItemTypesAndProductConfig : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            // NOTE: the ParentId drop is deliberately deferred to the bottom of this method —
+            // the data migration reads it. Order here is load-bearing.
+            migrationBuilder.RenameColumn(
+                name: "ItemType",
+                table: "items",
+                newName: "StockNature");
+
+            migrationBuilder.AddColumn<int>(
+                name: "BrandId",
+                table: "items",
+                type: "integer",
+                nullable: true);
+
+            migrationBuilder.AddColumn<int>(
+                name: "SubCategoryId",
+                table: "items",
+                type: "integer",
+                nullable: true);
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "CreatedAt",
+                table: "categories",
+                type: "timestamp with time zone",
+                nullable: false,
+                defaultValue: new DateTime(1, 1, 1, 0, 0, 0, 0, DateTimeKind.Unspecified));
+
+            migrationBuilder.AddColumn<string>(
+                name: "Status",
+                table: "categories",
+                type: "character varying(20)",
+                maxLength: 20,
+                nullable: false,
+                defaultValue: "Active");
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "UpdatedAt",
+                table: "categories",
+                type: "timestamp with time zone",
+                nullable: true);
+
+            migrationBuilder.AddColumn<uint>(
+                name: "xmin",
+                table: "categories",
+                type: "xid",
+                rowVersion: true,
+                nullable: false,
+                defaultValue: 0u);
+
+            migrationBuilder.CreateTable(
+                name: "brands",
+                columns: table => new
+                {
+                    BrandId = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Name = table.Column<string>(type: "character varying(200)", maxLength: 200, nullable: false),
+                    Status = table.Column<string>(type: "character varying(20)", maxLength: 20, nullable: false, defaultValue: "Active"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true),
+                    xmin = table.Column<uint>(type: "xid", rowVersion: true, nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_brands", x => x.BrandId);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "item_types",
+                columns: table => new
+                {
+                    ItemTypeId = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Name = table.Column<string>(type: "character varying(200)", maxLength: 200, nullable: false),
+                    Status = table.Column<string>(type: "character varying(20)", maxLength: 20, nullable: false, defaultValue: "Active"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true),
+                    xmin = table.Column<uint>(type: "xid", rowVersion: true, nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_item_types", x => x.ItemTypeId);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "product_config",
+                columns: table => new
+                {
+                    ConfigId = table.Column<int>(type: "integer", nullable: false),
+                    SubcategoriesEnabled = table.Column<bool>(type: "boolean", nullable: false, defaultValue: true),
+                    BrandsEnabled = table.Column<bool>(type: "boolean", nullable: false, defaultValue: true),
+                    ItemTypesEnabled = table.Column<bool>(type: "boolean", nullable: false, defaultValue: true),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true),
+                    UpdatedBy = table.Column<int>(type: "integer", nullable: true),
+                    xmin = table.Column<uint>(type: "xid", rowVersion: true, nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_product_config", x => x.ConfigId);
+                    table.CheckConstraint("ck_product_config_singleton", "\"ConfigId\" = 1");
+                    table.ForeignKey(
+                        name: "FK_product_config_users_UpdatedBy",
+                        column: x => x.UpdatedBy,
+                        principalTable: "users",
+                        principalColumn: "UserId",
+                        onDelete: ReferentialAction.Restrict);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "subcategories",
+                columns: table => new
+                {
+                    SubCategoryId = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Name = table.Column<string>(type: "character varying(200)", maxLength: 200, nullable: false),
+                    CategoryId = table.Column<int>(type: "integer", nullable: false),
+                    Status = table.Column<string>(type: "character varying(20)", maxLength: 20, nullable: false, defaultValue: "Active"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true),
+                    xmin = table.Column<uint>(type: "xid", rowVersion: true, nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_subcategories", x => x.SubCategoryId);
+                    table.ForeignKey(
+                        name: "FK_subcategories_categories_CategoryId",
+                        column: x => x.CategoryId,
+                        principalTable: "categories",
+                        principalColumn: "CategoryId",
+                        onDelete: ReferentialAction.Restrict);
+                });
+
+            // ---------------------------------------------------------------------------
+            // DATA MIGRATION — must run before ParentId is dropped.
+            // ---------------------------------------------------------------------------
+
+            // Existing categories predate CreatedAt; the added column defaulted them to
+            // 0001-01-01. Stamp them with the migration time instead of a sentinel date.
+            migrationBuilder.Sql(@"
+                UPDATE categories SET ""CreatedAt"" = NOW() AT TIME ZONE 'utc';
+            ");
+
+            // Carry the old category id alongside each new subcategory so items can be
+            // repointed by join below. Dropped again once the repoint is done.
+            migrationBuilder.Sql(@"
+                ALTER TABLE subcategories ADD COLUMN legacy_category_id integer;
+            ");
+
+            // Walk the old tree to its roots. The previous model allowed unlimited nesting,
+            // but the new one is exactly two levels — so a category at any depth below the
+            // root collapses into a subcategory of its ROOT ancestor (a grandchild cannot
+            // become a subcategory of its immediate parent, since that parent is itself
+            // ceasing to be a category).
+            migrationBuilder.Sql(@"
+                WITH RECURSIVE tree AS (
+                    SELECT ""CategoryId"", ""ParentId"", ""Name"", ""CategoryId"" AS root_id
+                    FROM categories
+                    WHERE ""ParentId"" IS NULL
+                    UNION ALL
+                    SELECT c.""CategoryId"", c.""ParentId"", c.""Name"", t.root_id
+                    FROM categories c
+                    JOIN tree t ON c.""ParentId"" = t.""CategoryId""
+                )
+                INSERT INTO subcategories (""Name"", ""CategoryId"", ""Status"", ""CreatedAt"", legacy_category_id)
+                SELECT t.""Name"", t.root_id, 'Active', NOW() AT TIME ZONE 'utc', t.""CategoryId""
+                FROM tree t
+                WHERE t.""ParentId"" IS NOT NULL;
+            ");
+
+            // Repoint items: an item that pointed at a child category now carries the root
+            // category plus the subcategory it actually meant.
+            migrationBuilder.Sql(@"
+                UPDATE items i
+                SET ""SubCategoryId"" = s.""SubCategoryId"",
+                    ""CategoryId""    = s.""CategoryId""
+                FROM subcategories s
+                WHERE s.legacy_category_id = i.""CategoryId"";
+            ");
+
+            // The self-FK must go before the delete, or RESTRICT rejects removing a parent
+            // whose own child row is still present.
+            migrationBuilder.DropForeignKey(
+                name: "FK_categories_categories_ParentId",
+                table: "categories");
+
+            // Every non-root category now lives in `subcategories`, and no item references
+            // one any more (repointed above), so the rows can go.
+            migrationBuilder.Sql(@"
+                DELETE FROM categories WHERE ""ParentId"" IS NOT NULL;
+                ALTER TABLE subcategories DROP COLUMN legacy_category_id;
+            ");
+
+            migrationBuilder.DropIndex(
+                name: "IX_categories_ParentId",
+                table: "categories");
+
+            migrationBuilder.DropColumn(
+                name: "ParentId",
+                table: "categories");
+
+            // Seed the singleton config (FR-MD-11) — all features on. Item writes read this
+            // row, so it must exist before the app serves a single request.
+            migrationBuilder.Sql(@"
+                INSERT INTO product_config (""ConfigId"", ""SubcategoriesEnabled"", ""BrandsEnabled"", ""ItemTypesEnabled"")
+                VALUES (1, TRUE, TRUE, TRUE)
+                ON CONFLICT (""ConfigId"") DO NOTHING;
+            ");
+
+            // ---------------------------------------------------------------------------
+
+            migrationBuilder.CreateIndex(
+                name: "IX_items_BrandId",
+                table: "items",
+                column: "BrandId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_items_SubCategoryId",
+                table: "items",
+                column: "SubCategoryId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_categories_Name",
+                table: "categories",
+                column: "Name",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_categories_Status",
+                table: "categories",
+                column: "Status");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_brands_Name",
+                table: "brands",
+                column: "Name",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_brands_Status",
+                table: "brands",
+                column: "Status");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_item_types_Name",
+                table: "item_types",
+                column: "Name",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_item_types_Status",
+                table: "item_types",
+                column: "Status");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_product_config_UpdatedBy",
+                table: "product_config",
+                column: "UpdatedBy");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_subcategories_CategoryId_Name",
+                table: "subcategories",
+                columns: new[] { "CategoryId", "Name" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_subcategories_Status",
+                table: "subcategories",
+                column: "Status");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_items_brands_BrandId",
+                table: "items",
+                column: "BrandId",
+                principalTable: "brands",
+                principalColumn: "BrandId",
+                onDelete: ReferentialAction.Restrict);
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_items_subcategories_SubCategoryId",
+                table: "items",
+                column: "SubCategoryId",
+                principalTable: "subcategories",
+                principalColumn: "SubCategoryId",
+                onDelete: ReferentialAction.Restrict);
+        }
+
+        /// <summary>
+        /// Reverses the schema change and puts the subcategory data back where it came from.
+        /// <para>
+        /// The scaffolded version simply dropped <c>subcategories</c>, which would have
+        /// discarded exactly what <see cref="Up"/> preserved. Instead each subcategory is
+        /// restored as a child category and its items are repointed back onto it. This is
+        /// not perfectly lossless: the old tree's depth is gone (a former grandchild comes
+        /// back as a direct child of its root), and Brand data cannot survive a schema that
+        /// has nowhere to put it.
+        /// </para>
+        /// </summary>
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_items_brands_BrandId",
+                table: "items");
+
+            migrationBuilder.DropForeignKey(
+                name: "FK_items_subcategories_SubCategoryId",
+                table: "items");
+
+            // Restore the parent column + self-FK first so subcategories have somewhere to
+            // land, then move them back before the table is dropped.
+            migrationBuilder.AddColumn<int>(
+                name: "ParentId",
+                table: "categories",
+                type: "integer",
+                nullable: true);
+
+            // ---------------------------------------------------------------------------
+            // DATA MIGRATION (reverse) — must run before `subcategories` is dropped.
+            // ---------------------------------------------------------------------------
+
+            migrationBuilder.Sql(@"
+                ALTER TABLE categories ADD COLUMN legacy_subcategory_id integer;
+            ");
+
+            // Each subcategory becomes a child category again under the same parent.
+            migrationBuilder.Sql(@"
+                INSERT INTO categories (""Name"", ""ParentId"", ""CreatedAt"", ""Status"", legacy_subcategory_id)
+                SELECT s.""Name"", s.""CategoryId"", s.""CreatedAt"", s.""Status"", s.""SubCategoryId""
+                FROM subcategories s;
+            ");
+
+            // Items that carried a subcategory point back at the restored child category.
+            migrationBuilder.Sql(@"
+                UPDATE items i
+                SET ""CategoryId"" = c.""CategoryId""
+                FROM categories c
+                WHERE c.legacy_subcategory_id = i.""SubCategoryId"";
+            ");
+
+            migrationBuilder.Sql(@"
+                ALTER TABLE categories DROP COLUMN legacy_subcategory_id;
+            ");
+
+            // ---------------------------------------------------------------------------
+
+            migrationBuilder.DropTable(
+                name: "brands");
+
+            migrationBuilder.DropTable(
+                name: "item_types");
+
+            migrationBuilder.DropTable(
+                name: "product_config");
+
+            migrationBuilder.DropTable(
+                name: "subcategories");
+
+            migrationBuilder.DropIndex(
+                name: "IX_items_BrandId",
+                table: "items");
+
+            migrationBuilder.DropIndex(
+                name: "IX_items_SubCategoryId",
+                table: "items");
+
+            migrationBuilder.DropIndex(
+                name: "IX_categories_Name",
+                table: "categories");
+
+            migrationBuilder.DropIndex(
+                name: "IX_categories_Status",
+                table: "categories");
+
+            migrationBuilder.DropColumn(
+                name: "BrandId",
+                table: "items");
+
+            migrationBuilder.DropColumn(
+                name: "SubCategoryId",
+                table: "items");
+
+            migrationBuilder.DropColumn(
+                name: "CreatedAt",
+                table: "categories");
+
+            migrationBuilder.DropColumn(
+                name: "Status",
+                table: "categories");
+
+            migrationBuilder.DropColumn(
+                name: "UpdatedAt",
+                table: "categories");
+
+            migrationBuilder.DropColumn(
+                name: "xmin",
+                table: "categories");
+
+            migrationBuilder.RenameColumn(
+                name: "StockNature",
+                table: "items",
+                newName: "ItemType");
+
+            // ParentId itself was re-added at the top of this method, ahead of the reverse
+            // data migration that populates it.
+            migrationBuilder.CreateIndex(
+                name: "IX_categories_ParentId",
+                table: "categories",
+                column: "ParentId");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_categories_categories_ParentId",
+                table: "categories",
+                column: "ParentId",
+                principalTable: "categories",
+                principalColumn: "CategoryId",
+                onDelete: ReferentialAction.Restrict);
+        }
+    }
+}

Backend/ERPCore/Infra/Persistence/Migrations/20260718081219_ini2.cs

@@ -5,7 +5,7 @@
 namespace ERPCore.Infra.Persistence.Migrations
 {
     /// <inheritdoc />
-    public partial class SyncCurrentModel : Migration
+    public partial class ini2 : Migration
     {
         /// <inheritdoc />
         protected override void Up(MigrationBuilder migrationBuilder)

Backend/ERPCore/Infra/Persistence/Migrations/20260718092655_AddRolesNavPermissions.cs

@@ -0,0 +1,303 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+#pragma warning disable CA1814 // Prefer jagged arrays over multidimensional
+
+namespace ERPCore.Infra.Persistence.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddRolesNavPermissions : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<int>(
+                name: "RoleId",
+                table: "users",
+                type: "integer",
+                nullable: true);
+
+            migrationBuilder.CreateTable(
+                name: "nav_items",
+                columns: table => new
+                {
+                    NavItemId = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Code = table.Column<string>(type: "character varying(50)", maxLength: 50, nullable: false),
+                    Label = table.Column<string>(type: "character varying(100)", maxLength: 100, nullable: false),
+                    Icon = table.Column<string>(type: "character varying(50)", maxLength: 50, nullable: true),
+                    Href = table.Column<string>(type: "character varying(200)", maxLength: 200, nullable: true),
+                    SortOrder = table.Column<int>(type: "integer", nullable: false),
+                    Status = table.Column<string>(type: "character varying(20)", maxLength: 20, nullable: false, defaultValue: "Active")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_nav_items", x => x.NavItemId);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "roles",
+                columns: table => new
+                {
+                    RoleId = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    auth_role_id = table.Column<Guid>(type: "uuid", nullable: false),
+                    Code = table.Column<string>(type: "character varying(50)", maxLength: 50, nullable: false),
+                    Name = table.Column<string>(type: "character varying(200)", maxLength: 200, nullable: false),
+                    IsSystemRole = table.Column<bool>(type: "boolean", nullable: false, defaultValue: false),
+                    Status = table.Column<string>(type: "character varying(20)", maxLength: 20, nullable: false, defaultValue: "Active"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true),
+                    xmin = table.Column<uint>(type: "xid", rowVersion: true, nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_roles", x => x.RoleId);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "sub_nav_items",
+                columns: table => new
+                {
+                    SubNavItemId = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    NavItemId = table.Column<int>(type: "integer", nullable: false),
+                    Code = table.Column<string>(type: "character varying(50)", maxLength: 50, nullable: false),
+                    Label = table.Column<string>(type: "character varying(100)", maxLength: 100, nullable: false),
+                    Icon = table.Column<string>(type: "character varying(50)", maxLength: 50, nullable: true),
+                    Href = table.Column<string>(type: "character varying(200)", maxLength: 200, nullable: true),
+                    SortOrder = table.Column<int>(type: "integer", nullable: false),
+                    Status = table.Column<string>(type: "character varying(20)", maxLength: 20, nullable: false, defaultValue: "Active")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_sub_nav_items", x => x.SubNavItemId);
+                    table.ForeignKey(
+                        name: "FK_sub_nav_items_nav_items_NavItemId",
+                        column: x => x.NavItemId,
+                        principalTable: "nav_items",
+                        principalColumn: "NavItemId",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "permissions",
+                columns: table => new
+                {
+                    PermissionId = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Code = table.Column<string>(type: "character varying(80)", maxLength: 80, nullable: false),
+                    NavItemId = table.Column<int>(type: "integer", nullable: true),
+                    SubNavItemId = table.Column<int>(type: "integer", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_permissions", x => x.PermissionId);
+                    table.ForeignKey(
+                        name: "FK_permissions_nav_items_NavItemId",
+                        column: x => x.NavItemId,
+                        principalTable: "nav_items",
+                        principalColumn: "NavItemId",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_permissions_sub_nav_items_SubNavItemId",
+                        column: x => x.SubNavItemId,
+                        principalTable: "sub_nav_items",
+                        principalColumn: "SubNavItemId",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "role_permissions",
+                columns: table => new
+                {
+                    RoleId = table.Column<int>(type: "integer", nullable: false),
+                    PermissionId = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_role_permissions", x => new { x.RoleId, x.PermissionId });
+                    table.ForeignKey(
+                        name: "FK_role_permissions_permissions_PermissionId",
+                        column: x => x.PermissionId,
+                        principalTable: "permissions",
+                        principalColumn: "PermissionId",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_role_permissions_roles_RoleId",
+                        column: x => x.RoleId,
+                        principalTable: "roles",
+                        principalColumn: "RoleId",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.InsertData(
+                table: "nav_items",
+                columns: new[] { "NavItemId", "Code", "Href", "Icon", "Label", "SortOrder" },
+                values: new object[,]
+                {
+                    { 1, "dashboard", "/dashboard", null, "Dashboard", 1 },
+                    { 2, "products", "/dashboard/products", null, "Products", 2 },
+                    { 3, "vendors", "/dashboard/vendors", null, "Vendors", 3 },
+                    { 4, "procurement", "/dashboard/procurement", null, "Procurement", 4 },
+                    { 5, "receiving", "/dashboard/receiving/grn", null, "Receiving", 5 },
+                    { 6, "stock", "/dashboard/stock", null, "Stock", 6 },
+                    { 7, "warehouses", "/dashboard/warehouse", null, "Warehouses", 7 },
+                    { 8, "orders", "/dashboard/orders", null, "Orders", 8 },
+                    { 9, "settings", "/dashboard/settings", null, "Settings", 9 },
+                    { 10, "help", "/dashboard/help", null, "Help", 10 }
+                });
+
+            migrationBuilder.UpdateData(
+                table: "users",
+                keyColumn: "UserId",
+                keyValue: 1,
+                column: "RoleId",
+                value: null);
+
+            migrationBuilder.InsertData(
+                table: "permissions",
+                columns: new[] { "PermissionId", "Code", "NavItemId", "SubNavItemId" },
+                values: new object[,]
+                {
+                    { 1, "NAV:dashboard", 1, null },
+                    { 2, "NAV:products", 2, null },
+                    { 3, "NAV:vendors", 3, null },
+                    { 4, "NAV:procurement", 4, null },
+                    { 5, "NAV:receiving", 5, null },
+                    { 6, "NAV:stock", 6, null },
+                    { 7, "NAV:warehouses", 7, null },
+                    { 8, "NAV:orders", 8, null },
+                    { 9, "NAV:settings", 9, null },
+                    { 10, "NAV:help", 10, null }
+                });
+
+            migrationBuilder.InsertData(
+                table: "sub_nav_items",
+                columns: new[] { "SubNavItemId", "Code", "Href", "Icon", "Label", "NavItemId", "SortOrder" },
+                values: new object[,]
+                {
+                    { 1, "products.item", "/dashboard/products", null, "Item", 2, 1 },
+                    { 2, "products.category", "/dashboard/products/categories", null, "Category", 2, 2 },
+                    { 3, "products.brand", "/dashboard/products/brands", null, "Brand", 2, 3 },
+                    { 4, "products.item-type", "/dashboard/products/item-types", null, "Item Type", 2, 4 },
+                    { 5, "products.uom", "/dashboard/products/uoms", null, "UOM", 2, 5 },
+                    { 6, "products.configuration", "/dashboard/products/settings", null, "Configuration", 2, 6 },
+                    { 7, "settings.roles", "/dashboard/settings/roles", null, "Roles", 9, 1 },
+                    { 8, "settings.users", "/dashboard/settings/users", null, "Users", 9, 2 }
+                });
+
+            migrationBuilder.InsertData(
+                table: "permissions",
+                columns: new[] { "PermissionId", "Code", "NavItemId", "SubNavItemId" },
+                values: new object[,]
+                {
+                    { 11, "NAV:products.item", null, 1 },
+                    { 12, "NAV:products.category", null, 2 },
+                    { 13, "NAV:products.brand", null, 3 },
+                    { 14, "NAV:products.item-type", null, 4 },
+                    { 15, "NAV:products.uom", null, 5 },
+                    { 16, "NAV:products.configuration", null, 6 },
+                    { 17, "NAV:settings.roles", null, 7 },
+                    { 18, "NAV:settings.users", null, 8 }
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_users_RoleId",
+                table: "users",
+                column: "RoleId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_nav_items_Code",
+                table: "nav_items",
+                column: "Code",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_permissions_Code",
+                table: "permissions",
+                column: "Code",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_permissions_NavItemId",
+                table: "permissions",
+                column: "NavItemId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_permissions_SubNavItemId",
+                table: "permissions",
+                column: "SubNavItemId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_role_permissions_PermissionId",
+                table: "role_permissions",
+                column: "PermissionId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_roles_auth_role_id",
+                table: "roles",
+                column: "auth_role_id",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_roles_Code",
+                table: "roles",
+                column: "Code",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_sub_nav_items_Code",
+                table: "sub_nav_items",
+                column: "Code",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_sub_nav_items_NavItemId",
+                table: "sub_nav_items",
+                column: "NavItemId");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_users_roles_RoleId",
+                table: "users",
+                column: "RoleId",
+                principalTable: "roles",
+                principalColumn: "RoleId",
+                onDelete: ReferentialAction.Restrict);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_users_roles_RoleId",
+                table: "users");
+
+            migrationBuilder.DropTable(
+                name: "role_permissions");
+
+            migrationBuilder.DropTable(
+                name: "permissions");
+
+            migrationBuilder.DropTable(
+                name: "roles");
+
+            migrationBuilder.DropTable(
+                name: "sub_nav_items");
+
+            migrationBuilder.DropTable(
+                name: "nav_items");
+
+            migrationBuilder.DropIndex(
+                name: "IX_users_RoleId",
+                table: "users");
+
+            migrationBuilder.DropColumn(
+                name: "RoleId",
+                table: "users");
+        }
+    }
+}

Backend/ERPCore/Infra/Persistence/Migrations/20260803143000_AddBundleSalesModule.cs

@@ -1,139 +0,0 @@
-using Microsoft.EntityFrameworkCore.Migrations;
-using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
-
-#nullable disable
-
-namespace ERPCore.Infra.Persistence.Migrations;
-
-public partial class AddBundleSalesModule : Migration
-{
-    protected override void Up(MigrationBuilder migrationBuilder)
-    {
-        migrationBuilder.CreateTable(
-            name: "bundle_sale_templates",
-            columns: table => new
-            {
-                BundleSaleTemplateId = table.Column<int>(type: "integer", nullable: false)
-                    .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
-                TemplateCode = table.Column<string>(type: "character varying(50)", maxLength: 50, nullable: false),
-                TemplateName = table.Column<string>(type: "character varying(200)", maxLength: 200, nullable: false),
-                Description = table.Column<string>(type: "character varying(1000)", maxLength: 1000, nullable: true),
-                Status = table.Column<string>(type: "character varying(20)", maxLength: 20, nullable: false, defaultValue: "Active"),
-                CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
-                UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true),
-                xmin = table.Column<uint>(type: "xid", rowVersion: true, nullable: false)
-            },
-            constraints: table => table.PrimaryKey("PK_bundle_sale_templates", x => x.BundleSaleTemplateId));
-
-        migrationBuilder.CreateTable(
-            name: "bundle_sales",
-            columns: table => new
-            {
-                BundleSaleId = table.Column<int>(type: "integer", nullable: false)
-                    .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
-                BundleNo = table.Column<string>(type: "character varying(50)", maxLength: 50, nullable: false),
-                BundleDate = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
-                CustomerId = table.Column<int>(type: "integer", nullable: false),
-                CustomerSnapshotName = table.Column<string>(type: "character varying(200)", maxLength: 200, nullable: false),
-                WarehouseId = table.Column<int>(type: "integer", nullable: false),
-                CashierUserId = table.Column<int>(type: "integer", nullable: false),
-                BundleSaleTemplateId = table.Column<int>(type: "integer", nullable: false),
-                BundleName = table.Column<string>(type: "character varying(200)", maxLength: 200, nullable: false),
-                BundleCode = table.Column<string>(type: "character varying(50)", maxLength: 50, nullable: false),
-                Status = table.Column<string>(type: "character varying(20)", maxLength: 20, nullable: false, defaultValue: "Draft"),
-                ComponentSubtotal = table.Column<decimal>(type: "numeric(18,4)", precision: 18, scale: 4, nullable: false),
-                BundlePrice = table.Column<decimal>(type: "numeric(18,4)", precision: 18, scale: 4, nullable: false),
-                MarginAmount = table.Column<decimal>(type: "numeric(18,4)", precision: 18, scale: 4, nullable: false),
-                DiscountTotal = table.Column<decimal>(type: "numeric(18,4)", precision: 18, scale: 4, nullable: false),
-                TaxTotal = table.Column<decimal>(type: "numeric(18,4)", precision: 18, scale: 4, nullable: false),
-                GrandTotal = table.Column<decimal>(type: "numeric(18,4)", precision: 18, scale: 4, nullable: false),
-                CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
-                UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true),
-                xmin = table.Column<uint>(type: "xid", rowVersion: true, nullable: false)
-            },
-            constraints: table =>
-            {
-                table.PrimaryKey("PK_bundle_sales", x => x.BundleSaleId);
-                table.ForeignKey("FK_bundle_sales_bundle_sale_templates_BundleSaleTemplateId", x => x.BundleSaleTemplateId, "bundle_sale_templates", "BundleSaleTemplateId", onDelete: ReferentialAction.Restrict);
-                table.ForeignKey("FK_bundle_sales_customers_CustomerId", x => x.CustomerId, "customers", "CustomerId", onDelete: ReferentialAction.Restrict);
-                table.ForeignKey("FK_bundle_sales_users_CashierUserId", x => x.CashierUserId, "users", "UserId", onDelete: ReferentialAction.Restrict);
-                table.ForeignKey("FK_bundle_sales_warehouses_WarehouseId", x => x.WarehouseId, "warehouses", "WarehouseId", onDelete: ReferentialAction.Restrict);
-            });
-
-        migrationBuilder.CreateTable(
-            name: "bundle_sale_template_lines",
-            columns: table => new
-            {
-                BundleSaleTemplateLineId = table.Column<int>(type: "integer", nullable: false)
-                    .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
-                BundleSaleTemplateId = table.Column<int>(type: "integer", nullable: false),
-                ItemId = table.Column<int>(type: "integer", nullable: false),
-                UomId = table.Column<int>(type: "integer", nullable: false),
-                WarehouseId = table.Column<int>(type: "integer", nullable: false),
-                Qty = table.Column<decimal>(type: "numeric(18,4)", precision: 18, scale: 4, nullable: false),
-                UnitPrice = table.Column<decimal>(type: "numeric(18,4)", precision: 18, scale: 4, nullable: false),
-                IncludeInBundle = table.Column<bool>(type: "boolean", nullable: false, defaultValue: true),
-                SortOrder = table.Column<int>(type: "integer", nullable: false, defaultValue: 0)
-            },
-            constraints: table =>
-            {
-                table.PrimaryKey("PK_bundle_sale_template_lines", x => x.BundleSaleTemplateLineId);
-                table.ForeignKey("FK_bundle_sale_template_lines_bundle_sale_templates_BundleSaleTemplateId", x => x.BundleSaleTemplateId, "bundle_sale_templates", "BundleSaleTemplateId", onDelete: ReferentialAction.Cascade);
-                table.ForeignKey("FK_bundle_sale_template_lines_items_ItemId", x => x.ItemId, "items", "ItemId", onDelete: ReferentialAction.Restrict);
-                table.ForeignKey("FK_bundle_sale_template_lines_uoms_UomId", x => x.UomId, "uoms", "UomId", onDelete: ReferentialAction.Restrict);
-                table.ForeignKey("FK_bundle_sale_template_lines_warehouses_WarehouseId", x => x.WarehouseId, "warehouses", "WarehouseId", onDelete: ReferentialAction.Restrict);
-            });
-
-        migrationBuilder.CreateTable(
-            name: "bundle_sale_lines",
-            columns: table => new
-            {
-                BundleSaleLineId = table.Column<int>(type: "integer", nullable: false)
-                    .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
-                BundleSaleId = table.Column<int>(type: "integer", nullable: false),
-                ItemId = table.Column<int>(type: "integer", nullable: false),
-                Description = table.Column<string>(type: "character varying(200)", maxLength: 200, nullable: false),
-                Qty = table.Column<decimal>(type: "numeric(18,4)", precision: 18, scale: 4, nullable: false),
-                UomId = table.Column<int>(type: "integer", nullable: false),
-                WarehouseId = table.Column<int>(type: "integer", nullable: false),
-                UnitPrice = table.Column<decimal>(type: "numeric(18,4)", precision: 18, scale: 4, nullable: false),
-                LineTotal = table.Column<decimal>(type: "numeric(18,4)", precision: 18, scale: 4, nullable: false),
-                IncludeInBundle = table.Column<bool>(type: "boolean", nullable: false, defaultValue: true),
-                IsComponent = table.Column<bool>(type: "boolean", nullable: false, defaultValue: true),
-                ParentLineId = table.Column<int>(type: "integer", nullable: true),
-                xmin = table.Column<uint>(type: "xid", rowVersion: true, nullable: false)
-            },
-            constraints: table =>
-            {
-                table.PrimaryKey("PK_bundle_sale_lines", x => x.BundleSaleLineId);
-                table.ForeignKey("FK_bundle_sale_lines_bundle_sales_BundleSaleId", x => x.BundleSaleId, "bundle_sales", "BundleSaleId", onDelete: ReferentialAction.Cascade);
-                table.ForeignKey("FK_bundle_sale_lines_items_ItemId", x => x.ItemId, "items", "ItemId", onDelete: ReferentialAction.Restrict);
-                table.ForeignKey("FK_bundle_sale_lines_uoms_UomId", x => x.UomId, "uoms", "UomId", onDelete: ReferentialAction.Restrict);
-                table.ForeignKey("FK_bundle_sale_lines_warehouses_WarehouseId", x => x.WarehouseId, "warehouses", "WarehouseId", onDelete: ReferentialAction.Restrict);
-            });
-
-        migrationBuilder.CreateIndex(name: "IX_bundle_sale_templates_TemplateCode", table: "bundle_sale_templates", column: "TemplateCode", unique: true);
-        migrationBuilder.CreateIndex(name: "IX_bundle_sales_BundleNo", table: "bundle_sales", column: "BundleNo", unique: true);
-        migrationBuilder.CreateIndex(name: "IX_bundle_sales_BundleSaleTemplateId", table: "bundle_sales", column: "BundleSaleTemplateId");
-        migrationBuilder.CreateIndex(name: "IX_bundle_sales_CashierUserId", table: "bundle_sales", column: "CashierUserId");
-        migrationBuilder.CreateIndex(name: "IX_bundle_sales_CustomerId", table: "bundle_sales", column: "CustomerId");
-        migrationBuilder.CreateIndex(name: "IX_bundle_sales_Status", table: "bundle_sales", column: "Status");
-        migrationBuilder.CreateIndex(name: "IX_bundle_sales_WarehouseId", table: "bundle_sales", column: "WarehouseId");
-        migrationBuilder.CreateIndex(name: "IX_bundle_sale_template_lines_BundleSaleTemplateId", table: "bundle_sale_template_lines", column: "BundleSaleTemplateId");
-        migrationBuilder.CreateIndex(name: "IX_bundle_sale_template_lines_ItemId", table: "bundle_sale_template_lines", column: "ItemId");
-        migrationBuilder.CreateIndex(name: "IX_bundle_sale_template_lines_UomId", table: "bundle_sale_template_lines", column: "UomId");
-        migrationBuilder.CreateIndex(name: "IX_bundle_sale_template_lines_WarehouseId", table: "bundle_sale_template_lines", column: "WarehouseId");
-        migrationBuilder.CreateIndex(name: "IX_bundle_sale_lines_BundleSaleId", table: "bundle_sale_lines", column: "BundleSaleId");
-        migrationBuilder.CreateIndex(name: "IX_bundle_sale_lines_ItemId", table: "bundle_sale_lines", column: "ItemId");
-        migrationBuilder.CreateIndex(name: "IX_bundle_sale_lines_UomId", table: "bundle_sale_lines", column: "UomId");
-        migrationBuilder.CreateIndex(name: "IX_bundle_sale_lines_WarehouseId", table: "bundle_sale_lines", column: "WarehouseId");
-    }
-
-    protected override void Down(MigrationBuilder migrationBuilder)
-    {
-        migrationBuilder.DropTable("bundle_sale_lines");
-        migrationBuilder.DropTable("bundle_sale_template_lines");
-        migrationBuilder.DropTable("bundle_sales");
-        migrationBuilder.DropTable("bundle_sale_templates");
-    }
-}

Backend/ERPCore/Infra/Persistence/Migrations/20260804103000_AddBundleSalesConcurrencyStamp.cs

@@ -1,36 +0,0 @@
-using Microsoft.EntityFrameworkCore.Migrations;
-
-#nullable disable
-
-namespace ERPCore.Infra.Persistence.Migrations;
-
-public partial class AddBundleSalesConcurrencyStamp : Migration
-{
-    protected override void Up(MigrationBuilder migrationBuilder)
-    {
-        migrationBuilder.AddColumn<int>(
-            name: "ConcurrencyStamp",
-            table: "bundle_sale_templates",
-            type: "integer",
-            nullable: false,
-            defaultValue: 0);
-
-        migrationBuilder.AddColumn<int>(
-            name: "ConcurrencyStamp",
-            table: "bundle_sales",
-            type: "integer",
-            nullable: false,
-            defaultValue: 0);
-    }
-
-    protected override void Down(MigrationBuilder migrationBuilder)
-    {
-        migrationBuilder.DropColumn(
-            name: "ConcurrencyStamp",
-            table: "bundle_sales");
-
-        migrationBuilder.DropColumn(
-            name: "ConcurrencyStamp",
-            table: "bundle_sale_templates");
-    }
-}

Backend/ERPCore/Program.cs

@@ -1,24 +1,20 @@
 using System.Text.Json.Serialization;
 using ERPCore.Infra.Auth;
 using ERPCore.Infra.Auth.AuthHex;
-using ERPCore.Infra.Gl;
 using ERPCore.Infra.Persistence;
 using ERPCore.Infra.Storage;
 using ERPCore.Infra.UoW;
 using ERPCore.Repositories;
 using ERPCore.Repositories.Interfaces;
 using ERPCore.Services;
-using ERPCore.Services.Interfaces;
 using ERPCore.Services.Auth;
 using ERPCore.Services.Hrm;
-using ERPCore.Services.Production;
+using ERPCore.Services.Interfaces;
 using ERPCore.Services.Stock;
 using ERPCore.System.Errors;
 using Microsoft.AspNetCore.Authentication;
 using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Diagnostics;
 using Microsoft.OpenApi;
-using Npgsql;
 using Serilog;
 
 var builder = WebApplication.CreateBuilder(args);
@@ -34,10 +30,7 @@ builder.Services.AddControllers()
 
 // EF Core + PostgreSQL
 builder.Services.AddDbContext<ErpDbContext>(o =>
-{
+    o.UseNpgsql(builder.Configuration.GetConnectionString("DefaultConnection")));
-    o.UseNpgsql(builder.Configuration.GetConnectionString("DefaultConnection"));
-    o.ConfigureWarnings(w => w.Ignore(RelationalEventId.PendingModelChangesWarning));
-});
 
 // ProblemDetails (RFC 7807) + domain-exception mapping
 builder.Services.AddProblemDetails();
@@ -57,15 +50,6 @@ builder.Services.AddScoped<IAuthUserService, AuthUserService>();
 builder.Services.AddScoped<IAuthRecoveryService, AuthRecoveryService>();
 builder.Services.AddScoped<IAuthAltService, AuthAltService>();
 
-// General Ledger service proxy → external GL microservice (docs/12-GENERAL-LEDGER-INTEGRATION.md)
-builder.Services.AddHttpClient<IGeneralLedgerClient, GeneralLedgerClient>(c =>
-{
-    var baseUrl = builder.Configuration["GeneralLedgerService:BaseUrl"]
-        ?? throw new InvalidOperationException("GeneralLedgerService:BaseUrl is not configured.");
-    c.BaseAddress = new Uri(baseUrl);
-});
-builder.Services.AddScoped<IGeneralLedgerService, GeneralLedgerService>();
-
 // Current-user (audit actor). AuthHex has no sub/nameid → a claims transformation
 // JIT-provisions a local shadow user and injects the local `int` id as `nameid`.
 builder.Services.AddHttpContextAccessor();
@@ -77,13 +61,11 @@ builder.Services.AddScoped<IUnitOfWork, UnitOfWork>();
 builder.Services.AddScoped(typeof(IRepository<>), typeof(Repository<>));
 
 // Master-data services (docs/11 §2)
-builder.Services.AddScoped<ICustomerService, CustomerService>();
 builder.Services.AddScoped<IItemService, ItemService>();
 builder.Services.AddScoped<IUomService, UomService>();
 builder.Services.AddScoped<ICategoryService, CategoryService>();
 builder.Services.AddScoped<IBrandService, BrandService>();
 builder.Services.AddScoped<IItemTypeService, ItemTypeService>();
-//builder.Services.AddScoped<ICompanyProfileService, CompanyProfileService>();
 builder.Services.AddScoped<IProductConfigService, ProductConfigService>();
 builder.Services.AddScoped<IVendorService, VendorService>();
 builder.Services.AddScoped<IWarehouseService, WarehouseService>();
@@ -99,23 +81,10 @@ builder.Services.AddScoped<IRfqService, RfqService>();
 builder.Services.AddScoped<IPurchaseOrderService, PurchaseOrderService>();
 
 // Stock core + goods receipt (docs/11 §4–5)
-builder.Services.AddScoped<IUomConverter, UomConverter>();
 builder.Services.AddScoped<IFifoCostingService, FifoCostingService>();
 builder.Services.AddScoped<IStockService, StockService>();
 builder.Services.AddScoped<IGrnService, GrnService>();
 
-// Sales (Phase 1)
-builder.Services.AddScoped<ISalesPricingService, SalesPricingService>();
-builder.Services.AddScoped<ISalesDomainService, SalesDomainService>();
-builder.Services.AddScoped<ISalesPostingService, SalesPostingService>();
-builder.Services.AddScoped<ISalesDocumentWorkflowService, SalesDocumentWorkflowService>();
-builder.Services.AddScoped<ISalesMappingService, SalesMappingService>();
-builder.Services.AddScoped<ISalesInvoiceService, SalesInvoiceService>();
-builder.Services.AddScoped<ISalesSlipService, SalesSlipService>();
-builder.Services.AddScoped<IBundleSaleService, BundleSaleService>();
-builder.Services.AddScoped<ISalesPromotionSuggestionService, SalesPromotionSuggestionService>();
-builder.Services.AddScoped<ISalesReportService, SalesReportService>();
-
 // Stock transactions + reference data (docs/11 §5–6)
 builder.Services.AddScoped<IStockMutator, StockMutator>();
 builder.Services.AddScoped<IReasonCodeService, ReasonCodeService>();
@@ -167,22 +136,12 @@ builder.Services.AddScoped<IPayslipService, PayslipService>();
 // HRM: Reports (docs/13-BACKEND-HRM-API.md §6) — read-only, no new entities
 builder.Services.AddScoped<IHrReportService, HrReportService>();
 
-// Manufacturing / Production Lines (docs/30-BACKEND-PHASE2.md Part A). Templates stand
-// alone; runs consume FifoCostingService for all stock movement. ProductionGraphValidator
-// is deliberately unregistered — it is a pure static algorithm, not an injected service.
-builder.Services.AddScoped<IProductionTemplateService, ProductionTemplateService>();
-builder.Services.AddScoped<IProductionRunService, ProductionRunService>();
-
 // Health checks (EF Core DB)
 builder.Services.AddHealthChecks().AddDbContextCheck<ErpDbContext>();
 
 // Swagger / OpenAPI (Swashbuckle v10 → OpenAPI 3.1)
 builder.Services.AddEndpointsApiExplorer();
-builder.Services.AddSwaggerGen(o =>
+builder.Services.AddSwaggerGen(o => o.SwaggerDoc("v1", new OpenApiInfo { Title = "ERPCore API", Version = "v1" }));
-{
-    o.SwaggerDoc("v1", new OpenApiInfo { Title = "ERPCore API", Version = "v1" });
-    o.CustomSchemaIds(t => t.FullName!.Replace("+", "."));
-});
 
 var app = builder.Build();
 
@@ -190,16 +149,7 @@ var app = builder.Build();
 using (var scope = app.Services.CreateScope())
 {
     var db = scope.ServiceProvider.GetRequiredService<ErpDbContext>();
-   // await EnsureMigrationBaselineAsync(db);
+    await DataSeeder.SeedAsync(db);
-    await db.Database.MigrateAsync();
-    try
-    {
-        await DataSeeder.SeedAsync(db);
-    }
-    catch (Exception ex)
-    {
-        throw new InvalidOperationException("Database migration succeeded, but startup seeding failed.", ex);
-    }
 }
 
 app.UseSerilogRequestLogging();
@@ -216,4 +166,3 @@ app.UseAuthorization();
 app.MapControllers();
 app.MapHealthChecks("/health");
 app.Run();
-

Backend/ERPCore/Services/BundleSaleService.cs

@@ -1,250 +0,0 @@
-using ERPCore.Domain;
-using ERPCore.Domain.Entities;
-using ERPCore.Domain.Enums;
-using ERPCore.Dtos.Common;
-using ERPCore.Dtos.Sales;
-using ERPCore.Infra.Auth;
-using ERPCore.Infra.UoW;
-using ERPCore.Repositories.Interfaces;
-using ERPCore.Services.Interfaces;
-using ERPCore.Services.Stock;
-using ERPCore.System.Errors;
-using Microsoft.EntityFrameworkCore;
-
-namespace ERPCore.Services;
-
-public sealed class BundleSaleService : IBundleSaleService
-{
-    private readonly IRepository<BundleSaleTemplate> _templates;
-    private readonly IRepository<BundleSale> _bundles;
-    private readonly IRepository<Customer> _customers;
-    private readonly IRepository<Item> _items;
-    private readonly IRepository<Uom> _uoms;
-    private readonly IRepository<Warehouse> _warehouses;
-    private readonly IRepository<User> _users;
-    private readonly ISalesDomainService _sales;
-    private readonly ISalesPostingService _posting;
-    private readonly ICurrentUser _currentUser;
-    private readonly INumberSequenceService _numbers;
-    private readonly IUnitOfWork _uow;
-
-    public BundleSaleService(
-        IRepository<BundleSale> bundles,
-        IRepository<BundleSaleTemplate> templates,
-        IRepository<Customer> customers,
-        IRepository<Item> items,
-        IRepository<Uom> uoms,
-        IRepository<Warehouse> warehouses,
-        IRepository<User> users,
-        ISalesDomainService sales,
-        ISalesPostingService posting,
-        ICurrentUser currentUser,
-        INumberSequenceService numbers,
-        IUnitOfWork uow)
-    {
-        _templates = templates;
-        _bundles = bundles;
-        _customers = customers;
-        _items = items;
-        _uoms = uoms;
-        _warehouses = warehouses;
-        _users = users;
-        _sales = sales;
-        _posting = posting;
-        _currentUser = currentUser;
-        _numbers = numbers;
-        _uow = uow;
-    }
-
-    public async Task<PagedResponse<BundleSaleTemplateSummaryDto>> ListTemplatesAsync(PageQuery query, CancellationToken ct = default)
-    {
-        IQueryable<BundleSaleTemplate> q = _templates.Query().AsNoTracking().Include(x => x.Lines);
-        if (!string.IsNullOrWhiteSpace(query.Q))
-        {
-            var term = query.Q.Trim();
-            q = q.Where(x => EF.Functions.ILike(x.TemplateCode, $"%{term}%") || EF.Functions.ILike(x.TemplateName, $"%{term}%") || EF.Functions.ILike(x.Description ?? "", $"%{term}%"));
-        }
-        var total = await q.CountAsync(ct);
-        var rows = await q.OrderByDescending(x => x.BundleSaleTemplateId).Skip(query.Skip).Take(query.PageSize).ToListAsync(ct);
-        return PagedResponse<BundleSaleTemplateSummaryDto>.Create(rows.Select(x => new BundleSaleTemplateSummaryDto(
-            x.BundleSaleTemplateId, x.TemplateCode, x.TemplateName, x.Description, x.Status, x.Lines.Count, x.CreatedAt, x.UpdatedAt)).ToList(), query.Page, query.PageSize, total);
-    }
-
-    public async Task<BundleSaleTemplateDto?> GetTemplateAsync(int bundleSaleTemplateId, CancellationToken ct = default)
-    {
-        var template = await _templates.Query().AsNoTracking().Include(x => x.Lines).FirstOrDefaultAsync(x => x.BundleSaleTemplateId == bundleSaleTemplateId, ct);
-        return template is null ? null : new BundleSaleTemplateDto(
-            template.BundleSaleTemplateId,
-            template.TemplateCode,
-            template.TemplateName,
-            template.Description,
-            template.Status,
-            template.CreatedAt,
-            template.UpdatedAt,
-            template.Lines.OrderBy(x => x.SortOrder).Select(x => new BundleSaleTemplateLineDto(
-                x.BundleSaleTemplateLineId, x.ItemId, x.UomId, x.WarehouseId, x.Qty, x.UnitPrice, x.IncludeInBundle, x.SortOrder)).ToList());
-    }
-
-    public async Task<PagedResponse<BundleSaleSummaryDto>> ListAsync(PageQuery query, int? customerId, int? warehouseId, CancellationToken ct = default)
-    {
-        IQueryable<BundleSale> q = _bundles.Query().AsNoTracking().Include(x => x.Lines);
-        if (!string.IsNullOrWhiteSpace(query.Q))
-        {
-            var term = query.Q.Trim();
-            q = q.Where(x => EF.Functions.ILike(x.BundleNo, $"%{term}%") || EF.Functions.ILike(x.BundleName, $"%{term}%") || EF.Functions.ILike(x.BundleCode, $"%{term}%"));
-        }
-        if (customerId is not null) q = q.Where(x => x.CustomerId == customerId);
-        if (warehouseId is not null) q = q.Where(x => x.WarehouseId == warehouseId);
-        var total = await q.CountAsync(ct);
-        var rows = await q.OrderByDescending(x => x.BundleSaleId).Skip(query.Skip).Take(query.PageSize).ToListAsync(ct);
-        return PagedResponse<BundleSaleSummaryDto>.Create(rows.Select(MapSummary).ToList(), query.Page, query.PageSize, total);
-    }
-
-    public async Task<BundleSaleDto?> GetAsync(int bundleSaleId, CancellationToken ct = default)
-    {
-        var bundle = await _bundles.Query().AsNoTracking().Include(x => x.Lines).FirstOrDefaultAsync(x => x.BundleSaleId == bundleSaleId, ct);
-        return bundle is null ? null : Map(bundle);
-    }
-
-    public Task<BundleSalePostingCheckDto> CheckPostingAsync(int bundleSaleId, CancellationToken ct = default)
-        => _posting.CheckBundleAsync(bundleSaleId, ct);
-
-    public async Task<BundleSaleDto> CreateAsync(CreateBundleSaleRequest request, CancellationToken ct = default)
-    {
-        await _sales.ValidateSalesHeaderAsync(request.CustomerId, request.WarehouseId, request.CashierUserId, true, ct);
-        var template = await _templates.Query().AsNoTracking().Include(x => x.Lines)
-            .FirstAsync(x => x.BundleSaleTemplateId == request.BundleSaleTemplateId, ct);
-        var bundle = new BundleSale
-        {
-            BundleNo = await _numbers.NextAsync(DocumentTypes.BundleSale, ct),
-            BundleDate = DateTime.UtcNow,
-            CustomerId = request.CustomerId,
-            WarehouseId = request.WarehouseId,
-            CashierUserId = request.CashierUserId,
-            BundleSaleTemplateId = request.BundleSaleTemplateId,
-            BundleName = request.BundleName,
-            BundleCode = string.Empty,
-            Status = BundleSaleStatus.Draft,
-            CreatedAt = DateTime.UtcNow
-        };
-        bundle.CustomerSnapshotName = await _customers.Query().Where(x => x.CustomerId == request.CustomerId).Select(x => x.DisplayName ?? x.Name).FirstAsync(ct);
-        bundle.Lines = await BuildLinesAsync(template, request.WarehouseId, request.Lines, ct);
-        Recalculate(bundle, request.BundlePrice);
-        bundle.BundleCode = $"{bundle.BundleNo}-B";
-        await _bundles.AddAsync(bundle, ct);
-        bundle.ConcurrencyStamp = 1;
-        await _uow.SaveChangesAsync(ct);
-        return Map(bundle);
-    }
-
-    public async Task<BundleSaleDto> UpdateAsync(int bundleSaleId, UpdateBundleSaleRequest request, CancellationToken ct = default)
-    {
-        var bundle = await _bundles.Query().Include(x => x.Lines).FirstOrDefaultAsync(x => x.BundleSaleId == bundleSaleId, ct)
-            ?? throw new NotFoundException($"Bundle sale {bundleSaleId} was not found.");
-        if (bundle.Status != BundleSaleStatus.Draft)
-            throw new ConflictException($"Bundle sale {bundleSaleId} is {bundle.Status} and cannot be edited.");
-
-        await _sales.ValidateSalesHeaderAsync(request.CustomerId, request.WarehouseId, request.CashierUserId, true, ct);
-        var template = await _templates.Query().AsNoTracking().Include(x => x.Lines)
-            .FirstAsync(x => x.BundleSaleTemplateId == request.BundleSaleTemplateId, ct);
-        bundle.CustomerId = request.CustomerId;
-        bundle.WarehouseId = request.WarehouseId;
-        bundle.CashierUserId = request.CashierUserId;
-        bundle.BundleSaleTemplateId = request.BundleSaleTemplateId;
-        bundle.BundleName = request.BundleName;
-        bundle.CustomerSnapshotName = await _customers.Query().Where(x => x.CustomerId == request.CustomerId).Select(x => x.DisplayName ?? x.Name).FirstAsync(ct);
-        bundle.Lines.Clear();
-        foreach (var line in await BuildLinesAsync(template, request.WarehouseId, request.Lines, ct)) bundle.Lines.Add(line);
-        Recalculate(bundle, request.BundlePrice);
-        bundle.UpdatedAt = DateTime.UtcNow;
-        bundle.ConcurrencyStamp++;
-        await _uow.SaveChangesAsync(ct);
-        return Map(bundle);
-    }
-
-    public async Task<BundleSaleDto> PostAsync(int bundleSaleId, CancellationToken ct = default)
-        {
-            await _posting.PostBundleAsync(bundleSaleId, ct);
-            var bundle = await _bundles.Query().AsNoTracking().Include(x => x.Lines)
-                .FirstAsync(x => x.BundleSaleId == bundleSaleId, ct);
-            return Map(bundle);
-        }
-
-    public async Task<BundleSaleDto> CancelAsync(int bundleSaleId, CancellationToken ct = default)
-    {
-        var bundle = await _bundles.Query().Include(x => x.Lines).FirstOrDefaultAsync(x => x.BundleSaleId == bundleSaleId, ct)
-            ?? throw new NotFoundException($"Bundle sale {bundleSaleId} was not found.");
-        if (bundle.Status != BundleSaleStatus.Draft)
-            throw new ConflictException($"Bundle sale {bundleSaleId} is {bundle.Status} and cannot be cancelled.");
-        bundle.Status = BundleSaleStatus.Cancelled;
-        bundle.UpdatedAt = DateTime.UtcNow;
-        bundle.ConcurrencyStamp++;
-        await _uow.SaveChangesAsync(ct);
-        return Map(bundle);
-    }
-
-    private async Task<List<BundleSaleLine>> BuildLinesAsync(
-        BundleSaleTemplate template, int warehouseId, IReadOnlyList<CreateBundleSaleTemplateLineRequest> requestLines, CancellationToken ct)
-    {
-        var lines = new List<BundleSaleLine>();
-        var sourceLines = requestLines.Count > 0
-            ? requestLines.OrderBy(x => x.SortOrder).ToList()
-            : template.Lines.OrderBy(x => x.SortOrder).Select(x => new CreateBundleSaleTemplateLineRequest
-            {
-                ItemId = x.ItemId,
-                UomId = x.UomId,
-                WarehouseId = x.WarehouseId,
-                Qty = x.Qty,
-                UnitPrice = x.UnitPrice,
-                IncludeInBundle = x.IncludeInBundle,
-                SortOrder = x.SortOrder
-            }).ToList();
-
-        foreach (var r in sourceLines)
-        {
-            if (r.Qty <= 0)
-                throw new DomainException(ErrorCodes.Validation, "Bundle line quantity must be greater than zero.", 422);
-            if (r.WarehouseId != warehouseId)
-                throw new DomainException(ErrorCodes.Validation,
-                    $"Bundle line warehouse {r.WarehouseId} must match header warehouse {warehouseId}.", 422);
-            var item = await _items.Query().AsNoTracking().FirstAsync(x => x.ItemId == r.ItemId, ct);
-            await _sales.ValidateSalesLineAsync(warehouseId, r.ItemId, r.UomId, r.WarehouseId, r.Qty, 0m, null, ct);
-            var resolved = await _sales.ResolveLinePriceAsync(r.ItemId, r.WarehouseId, r.UnitPrice, true, ct);
-            var calc = _sales.ComputeLine(r.Qty, 0m, resolved.UnitPrice, SalesDiscountMode.Amount, 0m, 0m, 0m, 0m, false);
-            lines.Add(new BundleSaleLine
-            {
-                ItemId = r.ItemId,
-                Description = item.Name,
-                Qty = r.Qty,
-                UomId = r.UomId,
-                WarehouseId = r.WarehouseId,
-                UnitPrice = resolved.UnitPrice,
-                LineTotal = calc.LineTotal,
-                IncludeInBundle = r.IncludeInBundle,
-                IsComponent = true,
-                ParentLineId = null
-            });
-        }
-        return lines;
-    }
-
-    private static void Recalculate(BundleSale bundle, decimal bundlePrice)
-    {
-        bundle.ComponentSubtotal = bundle.Lines.Where(x => x.IncludeInBundle).Sum(x => x.LineTotal);
-        bundle.BundlePrice = bundlePrice;
-        bundle.MarginAmount = bundle.BundlePrice - bundle.ComponentSubtotal;
-        bundle.DiscountTotal = Math.Max(0m, bundle.ComponentSubtotal - bundle.BundlePrice);
-        bundle.TaxTotal = 0m;
-        bundle.GrandTotal = bundle.BundlePrice + bundle.TaxTotal;
-    }
-
-    private static BundleSaleSummaryDto MapSummary(BundleSale x) => new(
-        x.BundleSaleId, x.BundleNo, x.BundleDate, x.CustomerId, x.CustomerSnapshotName, x.WarehouseId, x.BundleName, x.BundleCode, x.Status, x.ComponentSubtotal, x.BundlePrice, x.GrandTotal, x.CreatedAt);
-
-    private static BundleSaleDto Map(BundleSale x) => new(
-        x.BundleSaleId, x.BundleNo, x.BundleDate, x.CustomerId, x.CustomerSnapshotName, x.WarehouseId, x.CashierUserId, x.BundleSaleTemplateId,
-        x.BundleName, x.BundleCode, x.Status, x.ComponentSubtotal, x.BundlePrice, x.MarginAmount, x.DiscountTotal, x.TaxTotal, x.GrandTotal,
-        x.CreatedAt, x.UpdatedAt,
-        x.Lines.Select(l => new BundleSaleLineDto(l.BundleSaleLineId, l.ItemId, l.Description, l.Qty, l.UomId, l.WarehouseId, l.UnitPrice, l.LineTotal, l.IncludeInBundle, l.IsComponent, l.ParentLineId)).ToList());
-
-}

Backend/ERPCore/Services/CustomerService.cs

@@ -1,168 +0,0 @@
-using ERPCore.Common.Http;
-using ERPCore.Domain.Entities;
-using ERPCore.Domain.Enums;
-using ERPCore.Dtos.Common;
-using ERPCore.Dtos.Customers;
-using ERPCore.Infra.UoW;
-using ERPCore.Repositories.Interfaces;
-using ERPCore.Services.Interfaces;
-using ERPCore.System.Errors;
-using Microsoft.EntityFrameworkCore;
-
-namespace ERPCore.Services;
-
-public sealed class CustomerService : ICustomerService
-{
-    private readonly IRepository<Customer> _customers;
-    private readonly IRepository<Warehouse> _warehouses;
-    private readonly IUnitOfWork _uow;
-
-    public CustomerService(IRepository<Customer> customers, IRepository<Warehouse> warehouses, IUnitOfWork uow)
-    {
-        _customers = customers;
-        _warehouses = warehouses;
-        _uow = uow;
-    }
-
-    public async Task<PagedResponse<CustomerDto>> ListAsync(PageQuery query, EntityStatus? status, CustomerType? customerType, CancellationToken ct = default)
-    {
-        var q = _customers.Query().AsNoTracking();
-        if (!string.IsNullOrWhiteSpace(query.Q))
-        {
-            var term = query.Q.Trim();
-            q = q.Where(c => EF.Functions.ILike(c.Name, $"%{term}%")
-                             || EF.Functions.ILike(c.CustomerCode, $"%{term}%")
-                             || (c.DisplayName != null && EF.Functions.ILike(c.DisplayName, $"%{term}%")));
-        }
-        if (status is not null) q = q.Where(c => c.Status == status);
-        if (customerType is not null) q = q.Where(c => c.CustomerType == customerType);
-
-        var total = await q.CountAsync(ct);
-        var rows = await q.OrderBy(c => c.Name)
-            .Skip(query.Skip).Take(query.PageSize)
-            .Select(c => new CustomerDto(
-                c.CustomerId, c.CustomerCode, c.CustomerType, c.Name, c.DisplayName, c.Phone, c.Email,
-                c.AddressLine1, c.AddressLine2, c.City, c.Country, c.TaxRegistrationNo,
-                c.CreditLimit, c.CreditDays, c.DefaultWarehouseId, c.Status, c.CreatedAt, c.UpdatedAt))
-            .ToListAsync(ct);
-
-        return PagedResponse<CustomerDto>.Create(rows, query.Page, query.PageSize, total);
-    }
-
-    public async Task<ETagged<CustomerDto>?> GetAsync(int customerId, CancellationToken ct = default)
-    {
-        var customer = await _customers.Query().AsNoTracking()
-            .FirstOrDefaultAsync(c => c.CustomerId == customerId, ct);
-        return customer is null ? null : new ETagged<CustomerDto>(Map(customer), customer.RowVersion);
-    }
-
-    public async Task<ETagged<CustomerDto>> CreateAsync(CreateCustomerRequest request, CancellationToken ct = default)
-    {
-        var code = request.CustomerCode.Trim();
-        var name = request.Name.Trim();
-
-        if (await _customers.Query().AnyAsync(c => c.CustomerCode.ToLower() == code.ToLower(), ct))
-            throw new ConflictException($"A customer code '{code}' already exists.");
-
-        if (!string.IsNullOrWhiteSpace(request.Email))
-        {
-            var email = request.Email.Trim();
-            if (await _customers.Query().AnyAsync(c => c.Email != null && c.Email.ToLower() == email.ToLower(), ct))
-                throw new ConflictException($"A customer with email '{email}' already exists.");
-        }
-
-        if (request.DefaultWarehouseId is not null)
-        {
-            var exists = await _warehouses.Query().AnyAsync(w => w.WarehouseId == request.DefaultWarehouseId, ct);
-            if (!exists) throw new NotFoundException($"Warehouse {request.DefaultWarehouseId} was not found.");
-        }
-
-        var customer = new Customer
-        {
-            CustomerCode = code,
-            CustomerType = request.CustomerType,
-            Name = name,
-            DisplayName = Normalize(request.DisplayName),
-            Phone = Normalize(request.Phone),
-            Email = Normalize(request.Email),
-            AddressLine1 = Normalize(request.AddressLine1),
-            AddressLine2 = Normalize(request.AddressLine2),
-            City = Normalize(request.City),
-            Country = Normalize(request.Country),
-            TaxRegistrationNo = Normalize(request.TaxRegistrationNo),
-            CreditLimit = request.CreditLimit,
-            CreditDays = request.CreditDays,
-            DefaultWarehouseId = request.DefaultWarehouseId,
-            Status = EntityStatus.Active,
-            CreatedAt = DateTime.UtcNow
-        };
-
-        await _customers.AddAsync(customer, ct);
-        await _uow.SaveChangesAsync(ct);
-
-        return new ETagged<CustomerDto>(Map(customer), customer.RowVersion);
-    }
-
-    public async Task<ETagged<CustomerDto>> UpdateAsync(int customerId, UpdateCustomerRequest request, uint expectedRowVersion, CancellationToken ct = default)
-    {
-        var customer = await _customers.GetByIdAsync(customerId, ct)
-            ?? throw new NotFoundException($"Customer {customerId} was not found.");
-
-        if (customer.RowVersion != expectedRowVersion)
-            throw new DomainException(ErrorCodes.ConcurrencyConflict, "The customer was modified by another request.", 412);
-
-        var code = request.CustomerCode.Trim();
-        var name = request.Name.Trim();
-
-        if (!string.Equals(customer.CustomerCode, code, StringComparison.Ordinal)
-            && await _customers.Query().AnyAsync(c => c.CustomerCode.ToLower() == code.ToLower() && c.CustomerId != customerId, ct))
-            throw new ConflictException($"A customer code '{code}' already exists.");
-
-        if (!string.Equals(customer.Email, request.Email?.Trim(), StringComparison.OrdinalIgnoreCase)
-            && !string.IsNullOrWhiteSpace(request.Email)
-            && await _customers.Query().AnyAsync(c => c.Email != null && c.Email.ToLower() == request.Email!.Trim().ToLower() && c.CustomerId != customerId, ct))
-            throw new ConflictException($"A customer with email '{request.Email.Trim()}' already exists.");
-
-        if (request.DefaultWarehouseId is not null)
-        {
-            var exists = await _warehouses.Query().AnyAsync(w => w.WarehouseId == request.DefaultWarehouseId, ct);
-            if (!exists) throw new NotFoundException($"Warehouse {request.DefaultWarehouseId} was not found.");
-        }
-
-        customer.CustomerCode = code;
-        customer.CustomerType = request.CustomerType;
-        customer.Name = name;
-        customer.DisplayName = Normalize(request.DisplayName);
-        customer.Phone = Normalize(request.Phone);
-        customer.Email = Normalize(request.Email);
-        customer.AddressLine1 = Normalize(request.AddressLine1);
-        customer.AddressLine2 = Normalize(request.AddressLine2);
-        customer.City = Normalize(request.City);
-        customer.Country = Normalize(request.Country);
-        customer.TaxRegistrationNo = Normalize(request.TaxRegistrationNo);
-        customer.CreditLimit = request.CreditLimit;
-        customer.CreditDays = request.CreditDays;
-        customer.DefaultWarehouseId = request.DefaultWarehouseId;
-        customer.UpdatedAt = DateTime.UtcNow;
-
-        await _uow.SaveChangesAsync(ct);
-        return new ETagged<CustomerDto>(Map(customer), customer.RowVersion);
-    }
-
-    public async Task SetStatusAsync(int customerId, EntityStatus status, CancellationToken ct = default)
-    {
-        var customer = await _customers.GetByIdAsync(customerId, ct)
-            ?? throw new NotFoundException($"Customer {customerId} was not found.");
-
-        customer.Status = status;
-        customer.UpdatedAt = DateTime.UtcNow;
-        await _uow.SaveChangesAsync(ct);
-    }
-
-    private static CustomerDto Map(Customer c) => new(
-        c.CustomerId, c.CustomerCode, c.CustomerType, c.Name, c.DisplayName, c.Phone, c.Email,
-        c.AddressLine1, c.AddressLine2, c.City, c.Country, c.TaxRegistrationNo,
-        c.CreditLimit, c.CreditDays, c.DefaultWarehouseId, c.Status, c.CreatedAt, c.UpdatedAt);
-
-    private static string? Normalize(string? value) => string.IsNullOrWhiteSpace(value) ? null : value.Trim();
-}

Backend/ERPCore/Services/GeneralLedgerService.cs

@@ -1,16 +0,0 @@
-using ERPCore.Infra.Gl;
-using ERPCore.Services.Interfaces;
-
-namespace ERPCore.Services;
-
-/// <inheritdoc cref="IGeneralLedgerService"/>
-public sealed class GeneralLedgerService : IGeneralLedgerService
-{
-    private readonly IGeneralLedgerClient _client;
-
-    public GeneralLedgerService(IGeneralLedgerClient client) => _client = client;
-
-    public Task<GeneralLedgerResponse> ForwardAsync(
-        HttpMethod method, string path, string? queryString, string? contentType, Stream? body, CancellationToken ct)
-        => _client.SendAsync(method, path, queryString, contentType, body, ct);
-}

Backend/ERPCore/Services/GrnService.cs

@@ -33,9 +33,9 @@ public sealed class GrnService : IGrnService
     private readonly IRepository<Bin> _bins;
     private readonly IRepository<Vendor> _vendors;
     private readonly IRepository<Batch> _batches;
+    private readonly IRepository<UomConversion> _conversions;
     private readonly IRepository<StockLayer> _layers;
     private readonly IRepository<StockLedger> _ledger;
-    private readonly IUomConverter _uomConverter;
     private readonly IFifoCostingService _fifo;
     private readonly INumberSequenceService _numbers;
     private readonly ICurrentUser _currentUser;
@@ -45,7 +45,7 @@ public sealed class GrnService : IGrnService
         IRepository<Grn> grns, IRepository<PurchaseOrder> pos, IRepository<PoLine> poLines,
         IRepository<Item> items, IRepository<Uom> uoms, IRepository<Warehouse> warehouses,
         IRepository<Bin> bins, IRepository<Vendor> vendors, IRepository<Batch> batches,
-        IRepository<StockLayer> layers, IRepository<StockLedger> ledger, IUomConverter uomConverter,
+        IRepository<UomConversion> conversions, IRepository<StockLayer> layers, IRepository<StockLedger> ledger,
         IFifoCostingService fifo, INumberSequenceService numbers, ICurrentUser currentUser, IUnitOfWork uow)
     {
         _grns = grns;
@@ -57,9 +57,9 @@ public sealed class GrnService : IGrnService
         _bins = bins;
         _vendors = vendors;
         _batches = batches;
+        _conversions = conversions;
         _layers = layers;
         _ledger = ledger;
-        _uomConverter = uomConverter;
         _fifo = fifo;
         _numbers = numbers;
         _currentUser = currentUser;
@@ -345,14 +345,19 @@ public sealed class GrnService : IGrnService
         return created; // linked via GrnLine.Batch navigation; FK fixed up on SaveChanges
     }
 
-    /// <summary>
+    private async Task<(decimal QtyBase, decimal UnitCostBase)> ToBaseAsync(
-    /// Delegates to the shared <see cref="IUomConverter"/>. This was a private method here
-    /// until manufacturing needed the same conversion for stage stock inputs; behaviour is
-    /// identical, so receive costing is unchanged.
-    /// </summary>
-    private Task<(decimal QtyBase, decimal UnitCostBase)> ToBaseAsync(
         Item item, int uomId, decimal qty, decimal unitCostPerUom, CancellationToken ct)
-        => _uomConverter.ToBaseAsync(item, uomId, qty, unitCostPerUom, ct);
+    {
+        if (uomId == item.BaseUomId)
+            return (qty, unitCostPerUom);
+
+        var conv = await _conversions.Query().AsNoTracking()
+            .FirstOrDefaultAsync(c => c.ItemId == item.ItemId && c.FromUomId == uomId && c.ToUomId == item.BaseUomId, ct)
+            ?? throw new DomainException(ErrorCodes.Validation,
+                $"No UOM conversion from {uomId} to base UOM {item.BaseUomId} for item {item.ItemId}.", 422);
+
+        return (qty * conv.Factor, unitCostPerUom / conv.Factor);
+    }
 
     private async Task UpdatePoStatusAsync(int? poId, CancellationToken ct)
     {

Backend/ERPCore/Services/Interfaces/IBundleSaleService.cs

@@ -1,18 +0,0 @@
-using ERPCore.Common.Http;
-using ERPCore.Dtos.Common;
-using ERPCore.Dtos.Sales;
-
-namespace ERPCore.Services.Interfaces;
-
-public interface IBundleSaleService
-{
-    Task<PagedResponse<BundleSaleTemplateSummaryDto>> ListTemplatesAsync(PageQuery query, CancellationToken ct = default);
-    Task<BundleSaleTemplateDto?> GetTemplateAsync(int bundleSaleTemplateId, CancellationToken ct = default);
-    Task<PagedResponse<BundleSaleSummaryDto>> ListAsync(PageQuery query, int? customerId, int? warehouseId, CancellationToken ct = default);
-    Task<BundleSaleDto?> GetAsync(int bundleSaleId, CancellationToken ct = default);
-    Task<BundleSalePostingCheckDto> CheckPostingAsync(int bundleSaleId, CancellationToken ct = default);
-    Task<BundleSaleDto> CreateAsync(CreateBundleSaleRequest request, CancellationToken ct = default);
-    Task<BundleSaleDto> UpdateAsync(int bundleSaleId, UpdateBundleSaleRequest request, CancellationToken ct = default);
-    Task<BundleSaleDto> PostAsync(int bundleSaleId, CancellationToken ct = default);
-    Task<BundleSaleDto> CancelAsync(int bundleSaleId, CancellationToken ct = default);
-}

Backend/ERPCore/Services/Interfaces/ICustomerService.cs

@@ -1,15 +0,0 @@
-using ERPCore.Common.Http;
-using ERPCore.Dtos.Common;
-using ERPCore.Dtos.Customers;
-using ERPCore.Domain.Enums;
-
-namespace ERPCore.Services.Interfaces;
-
-public interface ICustomerService
-{
-    Task<PagedResponse<CustomerDto>> ListAsync(PageQuery query, EntityStatus? status, CustomerType? customerType, CancellationToken ct = default);
-    Task<ETagged<CustomerDto>?> GetAsync(int customerId, CancellationToken ct = default);
-    Task<ETagged<CustomerDto>> CreateAsync(CreateCustomerRequest request, CancellationToken ct = default);
-    Task<ETagged<CustomerDto>> UpdateAsync(int customerId, UpdateCustomerRequest request, uint expectedRowVersion, CancellationToken ct = default);
-    Task SetStatusAsync(int customerId, EntityStatus status, CancellationToken ct = default);
-}

Backend/ERPCore/Services/Interfaces/IFifoCostingService.cs

@@ -29,22 +29,11 @@ public interface IFifoCostingService
     Task<IReadOnlyList<ConsumedSegment>> ConsumeAsync(
         int itemId, int warehouseId, int? batchId, decimal qtyBase, CancellationToken ct = default);
 
-    /// <summary>
+    /// <summary>Append an immutable ledger entry (value = qtyBase × unitCost).</summary>
-    /// Append an immutable ledger entry. Value defaults to <c>round(qtyBase × unitCost, 4)</c>.
-    /// </summary>
-    /// <param name="valueOverride">
-    /// Posts this exact value instead of deriving it from qty × unit cost. Needed when the
-    /// authoritative figure is a total rather than a rate: a production receipt must carry the
-    /// run's cost pool exactly, but <c>unitCost = pool / goodQty</c> rounds to 6 dp, and at
-    /// 100+ units that rounding error exceeds the ledger's 4 dp tick — so the derived value
-    /// would drift from the pool (FR-MFG-13). Also used by leftover and cancel returns, whose
-    /// value is the exact consumed residual. Omit for every rate-driven movement.
-    /// </param>
     Task<StockLedger> PostLedgerAsync(
         int itemId, int warehouseId, int? binId, int? batchId, int? serialId, int userId,
         Direction direction, decimal qtyBase, decimal unitCost, decimal runningBalance,
-        string sourceDocType, int sourceDocId, DateTime createdAt, CancellationToken ct = default,
+        string sourceDocType, int sourceDocId, DateTime createdAt, CancellationToken ct = default);
-        decimal? valueOverride = null);
 
     /// <summary>Current on-hand (Σ open-layer qtyRemaining) for an item at a warehouse.</summary>
     Task<decimal> GetOnHandAsync(int itemId, int warehouseId, CancellationToken ct = default);

Backend/ERPCore/Services/Interfaces/IGeneralLedgerService.cs

@@ -1,16 +0,0 @@
-using ERPCore.Infra.Gl;
-
-namespace ERPCore.Services.Interfaces;
-
-/// <summary>
-/// Single entry point into the external General Ledger service — the one function
-/// used both by <see cref="ERPCore.Controllers.GeneralLedgerController"/> (frontend
-/// requests, forwarded verbatim) and, once wired, other ERPCore services that need to
-/// post directly to GL (e.g. GRN confirm, adjustments — docs/12-GENERAL-LEDGER-INTEGRATION.md).
-/// No business logic lives here yet; this pass only connects the transport.
-/// </summary>
-public interface IGeneralLedgerService
-{
-    Task<GeneralLedgerResponse> ForwardAsync(
-        HttpMethod method, string path, string? queryString, string? contentType, Stream? body, CancellationToken ct);
-}

Backend/ERPCore/Services/Interfaces/IProductionRunService.cs

@@ -1,99 +0,0 @@
-using ERPCore.Common.Http;
-using ERPCore.Domain.Enums;
-using ERPCore.Dtos.Common;
-using ERPCore.Dtos.Production;
-
-namespace ERPCore.Services.Interfaces;
-
-/// <summary>
-/// Production run lifecycle (docs/30 §D.2–D.3, FR-MFG-08..19). Every stock-affecting
-/// action runs inside a single <c>ExecuteInTransactionAsync</c> scope and consumes stock
-/// only through <c>IFifoCostingService</c> (NFR-02/NFR-05).
-/// </summary>
-public interface IProductionRunService
-{
-    Task<PagedResponse<RunSummaryDto>> ListAsync(
-        PageQuery query, ProductionRunStatus? status, int? templateId, int? warehouseId,
-        CancellationToken ct = default);
-
-    Task<ETagged<RunGraphDto>?> GetAsync(int runId, CancellationToken ct = default);
-
-    /// <summary>
-    /// Instantiates a template (FR-MFG-08): copies every stage, input, output and edge,
-    /// scales all quantities by <c>targetQty / terminalOutputQtyPerBatch</c>, issues a
-    /// <c>PRD-…</c> document number, and leaves entry stages Ready with the rest Waiting.
-    /// </summary>
-    Task<ETagged<RunGraphDto>> CreateAsync(CreateRunRequest request, CancellationToken ct = default);
-
-    /// <summary>
-    /// Per-run quantity override on a stage that has not started
-    /// (<c>409 STAGE_NOT_EDITABLE</c> once it has). Re-evaluates the stage's readiness,
-    /// since raising an upstream input's planned quantity can un-ready it.
-    /// </summary>
-    Task<RunStageDto> UpdateStageQuantitiesAsync(
-        int runId, int runStageId, UpdateStageQuantitiesRequest request, CancellationToken ct = default);
-
-    /// <summary>
-    /// <c>Ready → InProgress</c> (FR-MFG-10). FIFO-consumes every Stock input from the run
-    /// warehouse in one transaction and stamps <c>actualStartAt</c>.
-    /// <para>Consumes <c>max(0, plannedBase − consumedQty)</c> per input, so a rework
-    /// restart with an unchanged planned quantity consumes nothing and one with a raised
-    /// planned quantity consumes only the delta (FR-MFG-16).</para>
-    /// </summary>
-    Task<StartStageResultDto> StartStageAsync(int runId, int runStageId, CancellationToken ct = default);
-
-    /// <summary>
-    /// <c>InProgress → Done</c> (FR-MFG-11). Records produced and scrapped quantities per
-    /// output plus the custom field values. A re-complete after a rework <b>overwrites</b>
-    /// the previous figures rather than adding to them.
-    /// </summary>
-    Task<RunStageDto> CompleteStageAsync(
-        int runId, int runStageId, CompleteStageRequest request, CancellationToken ct = default);
-
-    /// <summary>
-    /// <c>Done → Approved</c> (FR-MFG-12/13). Non-terminal: hands WIP to the children,
-    /// defaulting to the full available quantity. Terminal: posts the production receipt —
-    /// a finished-goods layer costed at <c>costPool / goodQty</c> — and completes the run.
-    /// </summary>
-    Task<ApproveStageResultDto> ApproveStageAsync(
-        int runId, int runStageId, ApproveStageRequest request, CancellationToken ct = default);
-
-    /// <summary>
-    /// Later partial transfer of a remainder held on an already-Approved stage (FR-MFG-12),
-    /// never exceeding produced − scrapped − already transferred.
-    /// </summary>
-    Task<TransferResultDto> TransferAsync(
-        int runId, int runStageId, TransferRemainderRequest request, CancellationToken ct = default);
-
-    /// <summary>
-    /// Returns unconsumed material to stock before the receipt closes the pool (FR-MFG-14).
-    /// The inbound layer is created at the <b>weighted cost actually consumed</b> for that
-    /// input, so the move is cost-preserving and the pool reduces by exactly what leaves it.
-    /// <c>409 RUN_COST_CLOSED</c> once the run has completed.
-    /// </summary>
-    Task<ReturnLeftoverResultDto> ReturnLeftoverAsync(
-        int runId, int runInputId, ReturnLeftoverRequest request, CancellationToken ct = default);
-
-    /// <summary>
-    /// Downstream reject (FR-MFG-15): this stage rejects the work it received, its delivering
-    /// parents revert <c>Approved → InProgress</c> with their transferred quantities pulled
-    /// back, and this stage returns to Waiting. Consumed stock stays consumed.
-    /// </summary>
-    Task<RejectIntakeResultDto> RejectIntakeAsync(
-        int runId, int runStageId, RejectRequest request, CancellationToken ct = default);
-
-    /// <summary>
-    /// Terminal reject (FR-MFG-16): resets the whole run to its starting stages, increments
-    /// <c>reworkCount</c> and snapshots the discarded figures into the event history.
-    /// Already-consumed material remains in the cost pool.
-    /// </summary>
-    Task<TerminalRejectResultDto> RejectTerminalAsync(
-        int runId, int runStageId, RejectRequest request, CancellationToken ct = default);
-
-    /// <summary>
-    /// Cancels an in-progress run (FR-MFG-17). Net consumed-and-not-returned stock goes back
-    /// at its consumed weighted cost; scrapped output quantities are written off on the event.
-    /// <c>409 RUN_NOT_CANCELLABLE</c> for a completed run.
-    /// </summary>
-    Task<CancelRunResultDto> CancelAsync(int runId, CancelRunRequest request, CancellationToken ct = default);
-}

Backend/ERPCore/Services/Interfaces/IProductionTemplateService.cs

@@ -1,33 +0,0 @@
-using ERPCore.Common.Http;
-using ERPCore.Domain.Enums;
-using ERPCore.Dtos.Common;
-using ERPCore.Dtos.Production;
-
-namespace ERPCore.Services.Interfaces;
-
-/// <summary>
-/// Production template CRUD and graph validation (docs/30 §D.1, FR-MFG-01..07).
-/// </summary>
-public interface IProductionTemplateService
-{
-    Task<PagedResponse<TemplateSummaryDto>> ListAsync(PageQuery query, EntityStatus? status, CancellationToken ct = default);
-
-    Task<ETagged<TemplateGraphDto>?> GetAsync(int templateId, CancellationToken ct = default);
-
-    Task<ETagged<TemplateGraphDto>> CreateAsync(SaveTemplateRequest request, CancellationToken ct = default);
-
-    /// <summary>
-    /// Replaces the whole graph. Requires the current row version (<c>If-Match</c>) and is
-    /// refused with <c>409 TEMPLATE_IN_USE</c> while any run of this template is
-    /// InProgress — edit-lock stands in for versioning (FR-MFG-06).
-    /// </summary>
-    Task<ETagged<TemplateGraphDto>> UpdateAsync(
-        int templateId, SaveTemplateRequest request, uint expectedRowVersion, CancellationToken ct = default);
-
-    /// <summary>
-    /// Activate/deactivate (FR-MFG-01). Deliberately <b>not</b> edit-locked: deactivating is
-    /// the "never delete a referenced master" path (FR-MD-08) and only stops <i>new</i> runs
-    /// being started, so it must stay available while runs are in flight.
-    /// </summary>
-    Task SetStatusAsync(int templateId, EntityStatus status, CancellationToken ct = default);
-}

Backend/ERPCore/Services/Interfaces/ISalesDocumentWorkflowService.cs

@@ -1,9 +0,0 @@
-using ERPCore.Domain.Entities;
-
-namespace ERPCore.Services.Interfaces;
-
-public interface ISalesDocumentWorkflowService
-{
-    Task<SalesInvoice> LoadEditableInvoiceAsync(int salesInvoiceId, uint expectedRowVersion, CancellationToken ct = default);
-    Task<SalesSlip> LoadEditableSlipAsync(int salesSlipId, uint expectedRowVersion, CancellationToken ct = default);
-}

Backend/ERPCore/Services/Interfaces/ISalesDomainService.cs

@@ -1,51 +0,0 @@
-using ERPCore.Domain.Enums;
-using ERPCore.Dtos.Sales;
-
-namespace ERPCore.Services.Interfaces;
-
-public interface ISalesDomainService
-{
-    Task ValidateSalesHeaderAsync(
-        int customerId,
-        int warehouseId,
-        int? cashierUserId,
-        bool requireCashierUser,
-        CancellationToken ct = default);
-
-    Task ValidateSalesLineAsync(
-        int headerWarehouseId,
-        int lineItemId,
-        int lineUomId,
-        int lineWarehouseId,
-        decimal qty,
-        decimal freeQty,
-        int? parentLineId,
-        CancellationToken ct = default);
-
-    Task<SalesPriceResolution> ResolveLinePriceAsync(
-        int itemId,
-        int warehouseId,
-        decimal? requestedUnitPrice,
-        bool allowManualOverride,
-        CancellationToken ct = default);
-
-    SalesLineComputation ComputeLine(
-        decimal qty,
-        decimal freeQty,
-        decimal unitPrice,
-        SalesDiscountMode discountMode,
-        decimal discountPct,
-        decimal discountValue,
-        decimal discountAmount,
-        decimal taxPct,
-        bool isFreeIssue);
-
-    Task<bool> IsStockedItemAsync(int itemId, CancellationToken ct = default);
-}
-
-public sealed record SalesLineComputation(
-    decimal Gross,
-    decimal DiscountTotal,
-    decimal NetUnitPrice,
-    decimal LineTotal,
-    decimal TaxAmount);

Backend/ERPCore/Services/Interfaces/ISalesInvoiceService.cs

@@ -1,17 +0,0 @@
-using ERPCore.Common.Http;
-using ERPCore.Dtos.Common;
-using ERPCore.Dtos.Sales;
-using ERPCore.Domain.Enums;
-
-namespace ERPCore.Services.Interfaces;
-
-public interface ISalesInvoiceService
-{
-    Task<PagedResponse<SalesInvoiceSummaryDto>> ListAsync(PageQuery query, SalesInvoiceStatus? status, int? customerId, int? warehouseId, CancellationToken ct = default);
-    Task<ETagged<SalesInvoiceDto>?> GetAsync(int salesInvoiceId, CancellationToken ct = default);
-    Task<SalesInvoicePostingCheckDto> CheckPostingAsync(int salesInvoiceId, CancellationToken ct = default);
-    Task<ETagged<SalesInvoiceDto>> CreateAsync(CreateSalesInvoiceRequest request, CancellationToken ct = default);
-    Task<ETagged<SalesInvoiceDto>> UpdateAsync(int salesInvoiceId, UpdateSalesInvoiceRequest request, uint expectedRowVersion, CancellationToken ct = default);
-    Task<SalesInvoiceDto> PostAsync(int salesInvoiceId, CancellationToken ct = default);
-    Task<SalesInvoiceDto> CancelAsync(int salesInvoiceId, CancellationToken ct = default);
-}

Backend/ERPCore/Services/Interfaces/ISalesMappingService.cs

@@ -1,12 +0,0 @@
-using ERPCore.Domain.Entities;
-using ERPCore.Dtos.Sales;
-
-namespace ERPCore.Services.Interfaces;
-
-public interface ISalesMappingService
-{
-    SalesInvoiceTotalsDto MapInvoiceTotals(SalesInvoice invoice);
-    SalesSlipTotalsDto MapSlipTotals(SalesSlip slip);
-    SalesInvoiceDto MapInvoice(SalesInvoice invoice);
-    SalesSlipDto MapSlip(SalesSlip slip);
-}