標定 PG sync 為 opt-in 工具

tests/test_pg_sync_contract.py

@@ -0,0 +1,36 @@
+from pathlib import Path
+
+
+ROOT = Path(__file__).resolve().parents[1]
+
+
+def test_pg_sync_service_remains_explicit_opt_in_legacy_tool():
+    source = (ROOT / "services" / "pg_sync_service.py").read_text(encoding="utf-8")
+
+    assert "PG_SYNC_ENABLED', 'false'" in source
+    assert "python services/pg_sync_service.py --full" in source
+    assert "python services/pg_sync_service.py --verify" in source
+    assert "python services/pg_sync_service.py --daemon" in source
+
+
+def test_runtime_paths_do_not_auto_wire_pg_sync_service():
+    active_paths = [
+        ROOT / "app.py",
+        ROOT / "scheduler.py",
+        ROOT / "run_scheduler.py",
+        ROOT / "routes",
+        ROOT / "services",
+    ]
+    forbidden = "services.pg_sync_service"
+    offenders = []
+
+    for active_path in active_paths:
+        paths = active_path.rglob("*.py") if active_path.is_dir() else [active_path]
+        for path in paths:
+            if path.name == "pg_sync_service.py" or "__pycache__" in path.parts:
+                continue
+            source = path.read_text(encoding="utf-8")
+            if forbidden in source:
+                offenders.append(str(path.relative_to(ROOT)))
+
+    assert offenders == []