袁聪的第一次提交，包含nl2sql,行情数据,场外申购

app/worker/runtime.py

@@ -9,7 +9,7 @@ from uuid import uuid4
 from sqlalchemy import select, update
 
 from app.core.config import Settings, get_settings
-from app.core.contracts import AgentRequest, AgentResult, RequestContext
+from app.core.contracts import AgentRequest, AgentRequestMetadata, AgentResult, RequestContext
 from app.core.errors import AgentError, RecoverableAgentError, RunLeaseLostError
 from app.infrastructure.db import SessionFactory
 from app.model.audit import InteractionAudit
@@ -127,10 +127,11 @@ class WorkerRuntime:
                 DomainEventOutbox.event_type == "agent.run_requested").limit(1))
             if message is None or idem is None:
                 raise ValueError("run input missing")
+            metadata = event.payload.get("metadata", {}) if event else {}
             request = AgentRequest(
                 agent_type=run.agent_type, message=message.content, session_id=run.session_id,
                 idempotency_key=idem.idempotency_key,
-                metadata=event.payload.get("metadata", {}) if event else {},
+                metadata=AgentRequestMetadata.model_validate(metadata),
             )
             identity = RequestContext(user_id=str(run.user_id), trace_id=run.trace_id)
         # Re-check account and permissions at execution time, including delayed jobs.