Resolve flag aliases in failed command routes

docs/roadmap/remediation.md

@@ -1,6 +1,6 @@
 # Invocation reporting audit remediation
 
-Status: remediation in progress; 4 of 7 findings complete.
+Status: remediation in progress; 5 of 7 findings complete.
 
 ## Review scope
 
@@ -318,7 +318,13 @@ caller-owned writes that have already started.
 
 ## 5. Apply reporting-flag aliases in unresolved-route parse contexts
 
-Priority: P2. Status: open.
+Priority: P2. Status: complete.
+
+- [x] Completed: unresolved routes obtain aliases from the context selected by
+  normal parsing, through neutral internal metadata. Root and nested-group
+  canonical/alias comparisons, quiet failure visibility, scoped precedence,
+  unchanged unresolved identity, and factory non-execution pass.
+  Validation: `GOTOOLCHAIN=local go test ./...` at the repository root.
 
 ### Finding and evidence