Security hardening:
- Fix timing-safe comparison bugs in webhooks.ts and auth.ts (was comparing buffer with itself)
- Harden rate limiter IP extraction — use rightmost untrusted IP from XFF chain with MC_TRUSTED_PROXIES support
- Add 12-char minimum password validation in Zod schema and runtime check
- Add Zod validation on PUT /api/tasks bulk status update
Webhook retry system (completing in-progress feature):
- Exponential backoff with circuit breaker in webhooks.ts
- POST /api/webhooks/retry endpoint for manual retry
- GET /api/webhooks/verify-docs endpoint for signature verification docs
- Scheduler integration for automatic retry processing
- Unit tests for signature verification and backoff logic
Local Claude Code session tracking:
- New claude-sessions.ts scanner parses JSONL transcripts from ~/.claude/projects/
- Extracts model, tokens, messages, cost estimates, active status per session
- Migration 020 adds claude_sessions table
- GET/POST /api/claude/sessions endpoint with filtering and aggregate stats
- Scheduler runs scan every 60s with MC_CLAUDE_HOME config
Quality improvements:
- Replace all console.error/warn with structured logger across 31 API routes
- Add Docker HEALTHCHECK directive
- Add vitest coverage config with v8 provider (60% threshold)
- Update README with new features, API docs, env vars, and roadmap items
- Fix E2E tests for password length and rate limiter IP changes
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