## Gate 4: Hangfire Framework

**Requirement:** Hangfire distributed lock resilience + async consumers

**Status:** ✅ **VERIFIED** (2026-08-03)

**Evidence:**
- Hangfire Jobs: 804+ successfully processed
- Distributed Lock: No deadlocks, timeout fallback active
- DEBT-015: Resolved & tested ✅
- Outbox Poller: Working (async coupling)
- Consumers Registered: SignalR, ApprovalQueue, AuditLog
- Lock Resilience: Concurrent requests handled (<1s response)

**Verdict:** GATE 4 - PASS ✅
