Address all 5 P0 issues from QE analysis (55/100 score):
- P0-1: Rate limiter bypass — validate X-Forwarded-For against trusted proxy list
- P0-2: Exception detail leak — generic 500 messages, exception_type gated by dev mode
- P0-3: WebSocket JWT in URL (CWE-598) — first-message auth pattern replaces query param
- P0-4: Rust tests not in CI — add rust-tests job gating docker-build and notify
- P0-5: WebSocket path mismatch — use WS_PATH constant instead of hardcoded /ws/sensing
Includes ADR-080 remediation plan and 9 QE reports (4,914 lines).
Firmware validated on ESP32-S3 (COM8): CSI collecting, calibration OK.
Co-Authored-By: claude-flow <ruv@ruv.net>
