lots of changes

docs/phase-4-settings-help-reliability.md

@@ -6,7 +6,7 @@
 - Add verification steps and basic test coverage.
 
 ## Scope
-- Implement `/settings` and `/help` pages.
+- Implement `/app/settings` and `/app/help` pages.
 - Add progress and error handling improvements for analysis/search.
 - Document manual QA checklist.
 
@@ -36,7 +36,7 @@
 - Depends on Phases 1–3 to stabilize core flows.
 
 ## Acceptance Criteria
-- `/settings` and `/help` routes exist and are linked.
+- `/app/settings` and `/app/help` routes exist and are linked.
 - Background tasks reduce timeouts and improve UX.
 - QA checklist is documented and executable.