Changeset 0.22.4 (#146)

docs/ARCHITECTURE.md

@@ -151,14 +151,14 @@ server/
 ├── crypto/                    # AES-256-GCM API key encryption
 ├── events/                    # EventBus + WebSocket hub
 ├── extraction/                # Document text extraction pipeline
-├── health/                    # Provider health tracking (v0.22.0)
+├── health/                    # Provider health tracking (v0.22.0), tool health + auto-disable (v0.22.4)
 ├── 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.go         # In-memory counters, 60s flush, rate limits, tool health, auto-disable
 │   └── accumulator_test.go    # Concurrent recording, flush isolation, threshold tests
 ├── memory/                    # Long-term memory extraction + scanning
 │   ├── extractor.go           # Conversation analysis → fact extraction
@@ -178,6 +178,7 @@ server/
 │   ├── stream_loop.go         # Shared streaming + tool execution loop
 │   ├── capabilities.go        # ModelHandler: model list + health enrichment + ResolveModelCaps (v0.22.3)
 │   ├── health_admin.go        # Provider health + capability override admin endpoints
+│   ├── export.go              # Markdown → PDF/DOCX conversion via pandoc (v0.22.4)
 │   ├── routing_admin.go       # Routing policy CRUD + dry-run test (v0.22.2)
 │   ├── presets.go             # Persona CRUD (all scopes)
 │   ├── apiconfigs.go          # User provider config CRUD (BYOK)