整理配置和代码入口，增加部分测试。

tests/unit/test_project_api_handler_updates.py

@@ -0,0 +1,56 @@
+from __future__ import annotations
+
+from typing import Any
+
+import pytest
+from pydantic import BaseModel
+
+from sync_state_machine.common.sync_node import SyncNode
+from sync_state_machine.domain.project.api_handler import ProjectApiHandler
+from sync_state_machine.datasource.task_result import TaskStatus
+
+
+class _ProjectUpdateSchema(BaseModel):
+    id: str
+    dynamic_investment: float
+
+
+class _ProjectUpdateNode(SyncNode[_ProjectUpdateSchema]):
+    node_type = "project"
+    schema = _ProjectUpdateSchema
+
+
+class _MockApiClient:
+    def __init__(self) -> None:
+        self.requests: list[dict[str, Any]] = []
+        self._poll_count = 0
+
+    async def request(self, method: str, endpoint: str, **kwargs: Any) -> dict[str, Any]:
+        self.requests.append({"method": method, "endpoint": endpoint, **kwargs})
+        return {"code": 200, "message": "OK", "data": {"biz_id": kwargs.get("data", {}).get("biz_id")}}
+
+    async def get_push_logs(self, task_ids: list[str]) -> dict[str, dict[str, Any]]:
+        self._poll_count += 1
+        if self._poll_count == 1:
+            return {task_ids[0]: {}}
+        return {task_ids[0]: {"code": 200, "data": {"biz_id": "project-1"}}}
+
+
+@pytest.mark.asyncio
+async def test_project_update_waits_for_async_push_completion() -> None:
+    handler = ProjectApiHandler(filter_project_id=["project-1"])
+    handler.api_client = _MockApiClient()
+
+    node = _ProjectUpdateNode(
+        node_id="project-node-1",
+        data_id="project-1",
+        data={"id": "project-1", "dynamic_investment": 200.0},
+        origin_data={"id": "project-1", "dynamic_investment": 100.0},
+    )
+
+    results = await handler.update_all([node])
+
+    assert len(results) == 1
+    assert results[0].status == TaskStatus.SUCCESS
+    assert handler.api_client.requests[0]["endpoint"] == "/project/dynamic_investment"
+    assert handler.api_client._poll_count == 2