fix: TRAE tool_calls 出站归一为 OpenAI function 形状（Tool not found 根因）

之前转发给客户端的 TRAE tool_calls 保留了 SOLO 格式的
function_call 键，PI 按 OpenAI 协议读 function.name 读到空 →
显示 {} + Tool not found。

- _normalize_solo_tool_call：function_call → function 归一，
  无 name 条目丢弃；_named_tool_calls 统一走归一路径
- checkin 测试固定 due()=False，消除真实时钟依赖

重放验证：出站 tool_calls 帧键形状为 OpenAI 标准 function。
后端 650 测试 / 覆盖 100%。

Author: RobbsLuo

src/provider/trae/events.py

@@ -82,21 +82,33 @@ def parse_frame(frame: SSEFrame) -> Event | None:
         f"unhandled known event {name!r}")
 
 
-def _solo_tool_call_name(item: Any) -> str:
-    """SOLO 增量块里工具名（function_call 或 function 下）。"""
+def _normalize_solo_tool_call(item: Any) -> dict | None:
+    """SOLO tool_call → OpenAI 形状。
+
+    上游流里的 tool_call 用 function_call{name, arguments}（SOLO 协议），
+    客户端契约是 OpenAI 的 function{name, arguments}。缺失/无 name 的
+    条目丢弃（客户端无法执行）。
+    """
     if not isinstance(item, dict):
-        return ""
+        return None
     fn = item.get("function_call")
     if not isinstance(fn, dict):
         fn = item.get("function")
-    if not isinstance(fn, dict):
-        return ""
-    return fn.get("name") if isinstance(fn.get("name"), str) else ""
+    if not isinstance(fn, dict) or not str(fn.get("name") or "").strip():
+        return None
+    out = {k: v for k, v in item.items() if k not in ("function", "function_call")}
+    out["function"] = fn
+    return out
 
 
 def _named_tool_calls(tool_calls: list) -> list:
-    """剔除 name 为空的 tool_call 增量（上游分片噪声，PI 无法执行）。"""
-    return [tc for tc in tool_calls if _solo_tool_call_name(tc)]
+    """归一为 OpenAI 形状并剔除无 name 的条目。"""
+    out = []
+    for tc in tool_calls:
+        normalized = _normalize_solo_tool_call(tc)
+        if normalized is not None:
+            out.append(normalized)
+    return out
 
 
 def _parse_output(payload: dict) -> Event | None:

tests/test_m1a_coverage.py

@@ -305,7 +305,7 @@ def test_parse_all_events_orders_tools_first():
         data='{"response":"x","tool_calls":[{"id":"c"},{"id":"d","function_call":{"name":"f"}}]}')
     events = trae_events.parse_all_events(noisy)
     tools = [e for e in events if e.kind is EventKind.TOOL_CALLS]
-    assert len(tools) == 1 and tools[0].tool_calls[0]["function_call"]["name"] == "f"
+    assert len(tools) == 1 and tools[0].tool_calls[0]["function"]["name"] == "f"
 
 
 def test_parse_all_events_passes_through_non_output_frames():

tests/test_m1a_trae.py

@@ -1041,7 +1041,7 @@ def test_parse_all_events_non_dict_tool_call_entry_skipped():
         data='{"tool_calls":["junk",{"function_call":{"name":"f","arguments":"{}"}}]}')
     events = trae_events.parse_all_events(frame)
     tools = [e for e in events if e.kind is EventKind.TOOL_CALLS]
-    assert len(tools) == 1 and tools[0].tool_calls[0]["function_call"]["name"] == "f"
+    assert len(tools) == 1 and tools[0].tool_calls[0]["function"]["name"] == "f"
 
     empty = trae_events.SSEFrame(
         event="output",

tests/test_task_runner.py

@@ -140,9 +140,10 @@ async def run_once(self, **_kwargs):
 
 
 async def test_runner_checkin_skips_before_hour(repo):
-    """未到签到时刻时 _sync_checkin 是 no-op。"""
+    """未到签到时刻（due()=False）时 _sync_checkin 是 no-op。"""
     provider = StubProvider()
     runner, _collector = _runner(repo, provider)
+    runner._checkin.due = lambda **kwargs: False   # 固定"未到点"，避免真实时钟依赖
     assert await runner._sync_checkin() is None