feat(win): use shutil.move for cross-disk write on Windows (agentscope-ai#1483)

Author: Leirunlin

src/copaw/app/crons/repo/json_repo.py

@@ -2,6 +2,7 @@
 from __future__ import annotations
 
 import json
+import shutil
 from pathlib import Path
 
 from .base import BaseJobRepository
@@ -40,4 +41,4 @@ async def save(self, jobs_file: JobsFile) -> None:
             json.dumps(payload, ensure_ascii=False, indent=2, sort_keys=True),
             encoding="utf-8",
         )
-        tmp_path.replace(self._path)
+        shutil.move(str(tmp_path), str(self._path))

src/copaw/app/runner/repo/json_repo.py

@@ -3,6 +3,7 @@
 from __future__ import annotations
 
 import json
+import shutil
 from pathlib import Path
 
 from .base import BaseChatRepository
@@ -65,5 +66,5 @@ async def save(self, chats_file: ChatsFile) -> None:
             encoding="utf-8",
         )
 
-        # Atomic replace
-        tmp_path.replace(self._path)
+        # Atomic replace (shutil.move handles cross-disk on Windows)
+        shutil.move(str(tmp_path), str(self._path))