{"endpoint": "POST /api/screen", "description": "Deterministic compliance screening. No model call, no API key, reproducible output.", "example_request": {"mandate": "sharia", "jurisdiction": "SA", "summary": "A balanced Shari'ah portfolio.", "allocations": [{"symbol": "2222.SR", "weight_pct": 31.0}, {"symbol": "SUKUK.GCC", "weight_pct": 69.0}]}}