first commit

Backend/ERPCore/Controllers/MetaController.cs

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+using Microsoft.AspNetCore.Mvc;
+
+namespace ERPCore.Controllers;
+
+/// <summary>
+/// Non-domain metadata endpoint. Confirms the controller pipeline, Swagger and
+/// routing are wired; domain endpoints are defined per docs/11-BACKEND-PHASE1.md.
+/// </summary>
+[ApiController]
+[Route("api/[controller]")]
+public sealed class MetaController : ControllerBase
+{
+    [HttpGet]
+    public IActionResult Get() => Ok(new
+    {
+        name = "ERPCore API",
+        phase = "Phase 1 — Inventory & Supply Chain",
+        version = "v1",
+        utc = DateTime.UtcNow
+    });
+}