Add model router and MCP integration adapters

tests/integration/test_sqlalchemy_storage.py

@@ -1,5 +1,6 @@
 from pathlib import Path
 
+from ai_orchestrator.application.ports import ModelInvocationRecord, ToolInvocationRecord
 from ai_orchestrator.config import AppSettings
 from ai_orchestrator.domain.enums import NodeType, PolicyDecisionType
 from ai_orchestrator.domain.events import DomainEvent
@@ -77,3 +78,43 @@ def test_sqlite_storage_persists_confirmation_and_worker(tmp_path: Path) -> None
     assert storage.confirmation_repository.get(confirmation.confirmation_id) is not None
     assert storage.worker_repository.get(worker.session_id) is not None
     assert len(storage.worker_repository.list_active()) == 1
+
+
+def test_sqlite_storage_persists_invocation_records(tmp_path: Path) -> None:
+    db_path = tmp_path / "orchestrator.sqlite3"
+    settings = AppSettings(
+        storage_backend="sqlite",
+        database_url=f"sqlite:///{db_path.as_posix()}",
+    )
+    storage = create_storage_bundle(settings)
+
+    storage.invocation_store.save_model_invocation(
+        ModelInvocationRecord(
+            invocation_id="minv_1",
+            task_id="task_1",
+            node_id="node_1",
+            slot="weak",
+            provider="local",
+            model="mock",
+            status="success",
+            request={"messages": []},
+            response={"message": {"content": "ok"}},
+            usage={"input_tokens": 1},
+        )
+    )
+    storage.invocation_store.save_tool_invocation(
+        ToolInvocationRecord(
+            invocation_id="tinv_1",
+            task_id="task_1",
+            node_id="node_2",
+            source_type="mcp",
+            source_id="one_c",
+            tool_name="one_c.run_sql",
+            status="success",
+            request={"args": {"query": "select 1"}},
+            response={"content": {"rows": []}},
+        )
+    )
+
+    assert len(storage.invocation_store.list_model_invocations("task_1")) == 1
+    assert len(storage.invocation_store.list_tool_invocations("task_1")) == 1