fix(localdb): capture triggers survive consumer upserts (explicit ON CONFLICT upsert form, outer-statement override)

ZB.MOM.WW.LocalDb/tests/ZB.MOM.WW.LocalDb.Tests/Convergence/ConvergenceFixture.cs

@@ -190,11 +190,10 @@ public sealed class ConvergenceFixture : IAsyncDisposable
 
     /// <summary>
     /// Inserts or updates one row through the normal consumer API (fires the ai/au capture triggers).
-    /// Uses a plain UPDATE-else-INSERT inside one transaction — NOT <c>INSERT ... ON CONFLICT DO
-    /// UPDATE</c>: that upsert form crashes the AFTER-UPDATE capture trigger with
-    /// "UNIQUE constraint failed: __localdb_row_version" (see the Skipped regression test in
-    /// BidirectionalConvergenceTests). The transaction makes the update-or-insert atomic against a
-    /// concurrent replicated apply of the same pk (no INSERT/UNIQUE race on orders).
+    /// Uses a plain UPDATE-else-INSERT inside one transaction; the transaction makes the
+    /// update-or-insert atomic against a concurrent replicated apply of the same pk (no
+    /// INSERT/UNIQUE race on orders). <c>INSERT ... ON CONFLICT DO UPDATE</c> is also supported by
+    /// the capture triggers — covered by <c>Upsert_OnConflictDoUpdate_CapturesCorrectly</c>.
     /// </summary>
     public static async Task UpsertAsync(ILocalDb db, long id, string sku, long qty)
     {