1. ScreenIdentity: Add structural Reels detection (clips_viewer_container,
root_clips_layout) for full-screen Reels where Instagram hides tab bar.
Without this, selected_tab=None → UNKNOWN → death spiral.
2. IntentResolver: Navigation Bar Zone Guard constrains tab intents
(tap profile/home/explore tab) to bottom 15% of screen. Prevents
VLM from selecting content profile pictures instead of nav tabs.
Also fixes abstract goal filter substring match blocking tab intents.
3. GOAP Executor: Wires unlearn_transition into HD Map validation failure.
When expected screen != actual screen, poisoned Qdrant vectors are
purged to prevent re-use of broken paths.
Cleanup: Replace all print(DEBUG...) with proper logger.debug() calls.
Cleanup: Fix ruff F841 unused variable goal_met.
TDD: 5 new E2E tests, 65 total passing, 0 regressions.
Marc Mintel
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