Revise coding standards and testing guidelines in .cursor/rules/coderule.mdc and .cursor/rules/testing.mdc. Update descriptions for clarity, adjust coverage thresholds to 75%, and enhance comments on test data requirements. Improve sound notification rules in .cursor/rules/human-attention-sound.mdc and refine tracker operations in .cursor/rules/tracker.mdc to ensure better user interaction and error handling. Incorporate completeness audit steps in research documentation for improved quality assurance.

.cursor/skills/autopilot/SKILL.md

@@ -55,6 +55,11 @@ After selecting the flow, apply its detection rules (first match wins) to determ
 Every invocation follows this sequence:
 
 ```
+0. Process leftovers (see `.cursor/rules/tracker.mdc` → Leftovers Mechanism):
+   - Read _docs/_process_leftovers/ if it exists
+   - For each entry, attempt replay against the tracker
+   - Delete successful replays, update failed ones with new timestamp + reason
+   - If any leftover still blocked AND requires user input → STOP and ASK
 1. Read _docs/_autopilot_state.md (if exists)
 2. Read all File Index files above
 3. Cross-check state file against _docs/ folder structure (rules in state.md)