Stop deploy from overwriting manual FORCE_CLOSE settings.

Apply force-close defaults only when keys are missing so system-settings toggles survive pull_and_restart.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/test_sync_force_close_policy.py

@@ -0,0 +1,41 @@
+"""FORCE_CLOSE 部署策略:只补缺失,不覆盖手调."""
+import os
+import tempfile
+import unittest
+from pathlib import Path
+from unittest import mock
+
+from scripts import sync_common_trading_env as sync
+
+
+class TestForceCloseFillMissing(unittest.TestCase):
+    def test_does_not_overwrite_existing(self):
+        with tempfile.TemporaryDirectory() as td:
+            gate = Path(td) / "crypto_monitor_gate"
+            gate.mkdir()
+            (gate / ".env").write_text(
+                "FORCE_CLOSE_ENABLED=false\nFORCE_CLOSE_BJ_HOUR=1\n",
+                encoding="utf-8",
+            )
+            with mock.patch.object(sync, "REPO", td):
+                changed = sync.apply_force_close_policy(dry_run=False)
+            self.assertFalse(changed)
+            text = (gate / ".env").read_text(encoding="utf-8")
+            self.assertIn("FORCE_CLOSE_ENABLED=false", text)
+            self.assertIn("FORCE_CLOSE_BJ_HOUR=1", text)
+
+    def test_fills_missing_keys(self):
+        with tempfile.TemporaryDirectory() as td:
+            gate = Path(td) / "crypto_monitor_gate"
+            gate.mkdir()
+            (gate / ".env").write_text("APP_USERNAME=x\n", encoding="utf-8")
+            with mock.patch.object(sync, "REPO", td):
+                changed = sync.apply_force_close_policy(dry_run=False)
+            self.assertTrue(changed)
+            text = (gate / ".env").read_text(encoding="utf-8")
+            self.assertIn("FORCE_CLOSE_ENABLED=true", text)
+            self.assertIn("FORCE_CLOSE_BJ_HOUR=0", text)
+
+
+if __name__ == "__main__":
+    unittest.main()