Changeset 0.22.2 (#96)

docs/ARCHITECTURE.md

@@ -152,6 +152,12 @@ server/
 ├── events/                    # EventBus + WebSocket hub
 ├── extraction/                # Document text extraction pipeline
 ├── health/                    # Provider health tracking (v0.22.0)
+├── routing/                   # Policy-based request routing (v0.22.2)
+│   ├── types.go               # Policy, Candidate, Context, Decision types
+│   ├── evaluator.go           # Policy evaluation engine (4 policy types)
+│   ├── evaluator_test.go      # 12 tests
+│   ├── fallback.go            # RunWithFallback candidate dispatcher
+│   └── convert.go             # DB model → routing type conversion
 │   ├── accumulator.go         # In-memory counters, 60s flush to DB, status derivation
 │   └── accumulator_test.go    # Concurrent recording, flush isolation, threshold tests
 ├── memory/                    # Long-term memory extraction + scanning