# Subagent Progress: Challenger 1 (M3)
Last visited: 2026-10-05T21:17:00Z
Status: Completed — Verdict: REQUEST_CHANGES

- [x] Initialized DISPATCH.md and BRIEFING.md
- [x] Reviewed PROJECT.md, ORIGINAL_REQUEST.md, and TEST_READY.md
- [x] Ran baseline `test_mem0_verification.py` and analyzed gate failures (2/8 Passed, 25.0%)
- [x] Implemented empirical adversarial test harness in `tests/test_mem0_adversarial_semantic.py`
- [x] Executed 34 adversarial probes across Vietnamese domain, English variations, typos/accents, case sensitivity, and long queries
- [x] Executed comparative study: Unscoped Search (17/34 Passed, 50.0%) vs Scoped Search (30/34 Passed, 88.2%)
- [x] Isolated 3 root-cause defects:
  - Global/unscoped searches suffer from FreeExile / foreign precedence
  - Test suite self-triggers on anti-pattern definitions
  - Lexical gaps on 4 atomic facts
- [x] Authored 5-component `handoff.md` with explicit verdict `REQUEST_CHANGES`
- [x] Updated BRIEFING.md and progress.md
- [x] Send completion message to parent