Present native PromptKit operation failures

docs/roadmap/remediation.md

@@ -1,8 +1,6 @@
 # Invocation reporting audit remediation
 
-Status: five open remediation findings and two efficiency opportunities for
-consideration. Findings 4 and 5 came from the interaction audit; findings 6 and 7
-came from the algorithmic audit.
+Status: remediation in progress; 1 of 7 findings complete.
 
 ## Review scope
 
@@ -65,7 +63,13 @@ findings 1–5. It made no implementation changes and ran no tests or benchmarks
 
 ## 1. Preserve native PromptKit operation failure explanations
 
-Priority: P2. Status: open.
+Priority: P2. Status: complete.
+
+- [x] Completed: bundled native operation failures now supply terminal explanations
+  without printing arbitrary application causes. Explicit provider context and
+  independent warnings retain their presentation paths. Native-error forwarding
+  and single-presentation regressions pass in ordinary and quiet modes.
+  Validation: `GOTOOLCHAIN=local go test ./...` in `integrations/ckprompt`.
 
 ### Finding and evidence