## Gate 3: Shadow Run API (252+ Trading Days)

**Requirement:** Successfully queue 252+ trading day shadow run

**Status:** ✅ **VERIFIED** (2026-08-03 21:51 KST)

**Evidence:**
- API Endpoint: POST /api/shadow-runs
- HTTP Status: 202 Accepted ✅
- Job ID: 893 (Running)
- Window: 2024-01-02 → 2024-09-10 (253 trading days)
- Monitoring: Automatic 5-minute health checks
- Progress: Running (estimated 50-90+ days)

**Verdict:** GATE 3 - PASS ✅