refactor: 重构 Tool Result 契约，移除 ui_hints 统一使用 result 字段

- ToolAgentOutput 移除 result_summary 和 ui_hints，统一使用 result 字段
- 日历/用户查找工具移除 ui_hints 输出，改为机器可读的结构化结果
- Agent History 移除 tool 消息的 ui_hints 处理逻辑
- App 版本检查改为 manifest.json 方式，支持多渠道发布
- 更新 settings 配置和测试用例适配新结构

backend/src/core/agentscope/events/agui_codec.py

@@ -54,10 +54,7 @@ def _is_agui_event(event: dict[str, Any]) -> bool:
 def _sanitize_agui_event(event: dict[str, Any]) -> dict[str, Any]:
     payload = dict(event)
     event_type = str(payload.get("type", "")).strip().upper()
-    if event_type in {
-        EventType.TEXT_MESSAGE_END.value,
-        EventType.TOOL_CALL_RESULT.value,
-    }:
+    if event_type == EventType.TEXT_MESSAGE_END.value:
         ui_hints = payload.get("ui_hints")
         if ui_hints is not None:
             try:
@@ -67,7 +64,6 @@ def _sanitize_agui_event(event: dict[str, Any]) -> dict[str, Any]:
             except Exception:
                 pass
         payload.pop("ui_hints", None)
-    if event_type == EventType.TEXT_MESSAGE_END.value:
         for key in (
             "inputTokens",
             "outputTokens",
@@ -76,6 +72,9 @@ def _sanitize_agui_event(event: dict[str, Any]) -> dict[str, Any]:
             "model",
         ):
             payload.pop(key, None)
+    if event_type == EventType.TOOL_CALL_RESULT.value:
+        payload.pop("ui_hints", None)
+        payload.pop("ui_schema", None)
     return payload
 
 
@@ -130,10 +129,13 @@ def _build_text_end(event: dict[str, Any]) -> TextMessageEndEvent:
 
 def _build_tool_result(event: dict[str, Any]) -> ToolCallResultEvent:
     data = event.get("data", {})
+    content = data.get("result")
+    if not isinstance(content, str):
+        content = data.get("toolAgentOutput", "")
     return ToolCallResultEvent(
         message_id=data.get("messageId", ""),
         tool_call_id=data.get("toolCallId", ""),
-        content=data.get("toolAgentOutput", ""),
+        content=content,
         role="tool",
     )
 
@@ -191,7 +193,7 @@ def to_agui_wire_event(event: dict[str, Any] | BaseEvent) -> dict[str, Any]:
             tool_result_payload["threadId"] = thread_id
         if isinstance(run_id, str) and run_id:
             tool_result_payload["runId"] = run_id
-        reserved = {"type", "threadId", "runId"}
+        reserved = {"type", "threadId", "runId", "ui_hints", "ui_schema"}
         tool_result_payload.update({k: v for k, v in data.items() if k not in reserved})
         return tool_result_payload
 

backend/src/core/agentscope/events/store.py

@@ -213,9 +213,8 @@ class SqlAlchemyEventStore:
             "tool_call_id": self._event_value(event, "tool_call_id"),
             "tool_call_args": self._event_value(event, "tool_call_args"),
             "status": self._event_value(event, "status"),
-            "result_summary": self._event_value(event, "result_summary"),
+            "result": self._event_value(event, "result"),
             "error": self._event_value(event, "error"),
-            "ui_hints": self._event_value(event, "ui_hints"),
         }
 
         try:
@@ -231,7 +230,7 @@ class SqlAlchemyEventStore:
             )
             return
 
-        content = tool_output.result_summary
+        content = tool_output.result
 
         locked_session = await session_repo.lock_session_for_update(
             session_id=session_id