```

feat(deploy-control): 添加命令执行异常处理

当subprocess.run执行失败时捕获OSError异常，并抛出带有详细错误信息的ApiError，
提供更好的错误提示和调试支持。
```

deploy-control/server.py

@@ -100,14 +100,18 @@ def run_command(args: list[str], *, cwd: Path | None = None, extra_env: dict[str
     env = os.environ.copy()
     if extra_env:
         env.update(extra_env)
-    completed = subprocess.run(
-        args,
-        cwd=str(cwd) if cwd else None,
-        env=env,
-        text=True,
-        capture_output=True,
-        check=False,
-    )
+    try:
+        completed = subprocess.run(
+            args,
+            cwd=str(cwd) if cwd else None,
+            env=env,
+            text=True,
+            capture_output=True,
+            check=False,
+        )
+    except OSError as exc:
+        command = args[0] if args else "<empty command>"
+        raise ApiError(HTTPStatus.BAD_GATEWAY, f"failed to execute {command}: {exc}") from exc
     if completed.returncode != 0:
         detail = completed.stderr.strip() or completed.stdout.strip() or "command failed"
         raise ApiError(HTTPStatus.BAD_GATEWAY, detail)