docs(src): fix CommentChecker findings across src/ — 1,032 → 5 (all false positives)

Comment/XML-doc changes only, no code logic:
- strip project-tracking references (WP*, P*-*, row-NN, #NN, Task N) from
  comments, keeping the explanatory rationale
- add missing summaries, <param>, <returns>, <typeparam> and <inheritdoc/>
- replace misused <inheritdoc/> with real docs; where <inheritdoc/> was
  combined with useful remarks, move the rationale into // comments
- drop stale replicationActor <param> on DeploymentManagerActor ctor

Remaining 5 are false positives (CWE-1236 x2, failures-1, year-0001, M365).
Build 0 errors / 0 warnings.

src/ZB.MOM.WW.ScadaBridge.ConfigurationDatabase/Repositories/SecuredWriteRepository.cs

@@ -125,8 +125,7 @@ WHERE Id = {id}
         // A blind full-row UpdateAsync here used to be able to land AFTER a concurrent
         // approve had won its own CAS and while its multi-second WriteTagAsync relay was
         // still in flight — stamping the row Rejected even though the plant write was
-        // physically executing, i.e. falsifying the two-person-control record
-        // (arch-review 2026-08-19 P6-1). The conditional WHERE Status='Pending' makes
+        // physically executing, i.e. falsifying the two-person-control record. The conditional WHERE Status='Pending' makes
         // reject win only from Pending, so approve and reject can never both transition
         // one row. Only the columns the reject transition owns are written.
         var rowsAffected = await _context.Database.ExecuteSqlInterpolatedAsync(