[claude] Qwen3 two-model routing via task complexity classifier (#1065) v2 (#1233)

Co-authored-by: Claude (Opus 4.6) <claude@hermes.local>
Co-committed-by: Claude (Opus 4.6) <claude@hermes.local>

src/infrastructure/router/__init__.py

@@ -2,6 +2,7 @@
 
 from .api import router
 from .cascade import CascadeRouter, Provider, ProviderStatus, get_router
+from .classifier import TaskComplexity, classify_task
 from .history import HealthHistoryStore, get_history_store
 from .metabolic import (
     DEFAULT_TIER_MODELS,
@@ -27,4 +28,7 @@ __all__ = [
     "classify_complexity",
     "build_prompt",
     "get_metabolic_router",
+    # Classifier
+    "TaskComplexity",
+    "classify_task",
 ]