feat：架构重构

app/observability/tracing.py

@@ -75,9 +75,7 @@ async def ainvoke_screen(
         return result
 
 
-async def astream_screen(
-    graph, payload, *, thread_id, session_id=None, user_id=None
-):
+async def astream_screen(graph, payload, *, thread_id, session_id=None, user_id=None):
     """同一轮流保持同一个追踪上下文，关闭流时结束追踪"""
     from contextlib import aclosing
 
@@ -170,11 +168,8 @@ def _run_output(state: dict[str, Any]) -> dict[str, Any]:
         "outcome": outcome,
         "intent": state.get("intent"),
         "answer": state.get("answer"),
-        "offer": state.get("offer"),
         "clarification": [item.value for item in pending] if pending else None,
         "actions": state.get("actions"),
-        "validation_passed": state.get("validation_passed"),
-        "failure_reason": state.get("failure_reason"),
     }
 
 
@@ -192,13 +187,7 @@ def observe_decision(request: Any) -> Iterator[Any]:
         return
 
     model = request.model or settings.typesafe_model
-    # 意图判断可能附带对上一轮提议的回应判断，仍属于同一次意图识别
-    name = (
-        "classify-intent"
-        if set(request.decisions) <= {"intent", "offer_response"}
-        and "intent" in request.decisions
-        else "run-decision"
-    )
+    name = "classify-intent" if set(request.decisions) == {"intent"} else "run-decision"
     # 复用本应用已经选定的客户端
     with client.start_as_current_observation(
         as_type="generation",