Enhance financial report accuracy by including closing journals in profit and loss calculations and trial balances; add idempotency check for journal entry creation.

Interfaces/Repositories/IAccountRepository.cs

@@ -18,7 +18,7 @@ namespace General_Ledger_Service.Interfaces.Repositories
         Task<Account> AddAsync(Account account);
         Task<List<TrialBalanceRowDto>> GetTrialBalanceAsync(DateOnly asOfDate);
         Task<List<BalanceSheetLeafRowDto>> GetBalanceSheetLeafRowsAsync(DateOnly asOfDate);
-        Task<List<ProfitAndLossLeafRowDto>> GetProfitAndLossLeafRowsAsync(DateOnly periodStart, DateOnly periodEnd);
+        Task<List<ProfitAndLossLeafRowDto>> GetProfitAndLossLeafRowsAsync(DateOnly periodStart, DateOnly periodEnd, bool includeClosing = false);
         Task<List<CashFlowWorkingCapitalChangeDto>> GetCashFlowWorkingCapitalChangesAsync(DateOnly periodStart, DateOnly periodEnd, long cashAccountRootId);
         Task<List<CashFlowLineDto>> GetCashFlowCategoryLinesAsync(string category, DateOnly periodStart, DateOnly periodEnd, long cashAccountRootId);
         Task<decimal> GetCashBalanceAsync(DateOnly asOfDate, long cashAccountRootId);

Interfaces/Repositories/IJournalEntryRepository.cs

@@ -6,6 +6,7 @@ namespace General_Ledger_Service.Interfaces.Repositories
     public interface IJournalEntryRepository
     {
         Task<JournalEntry?> GetJournalEntryByJournalNoAsync(string journalNo);
+        Task<JournalEntry?> GetJournalEntryBySourceReferenceAsync(string sourceModule, string reference);
         Task<int> CountJournalEntriesForYearAsync(int year);
         Task<JournalEntry> AddJournalEntryAsync(JournalEntry entry);