fix: restore CCTV and Telegram map visibility

backend/services/cctv_pipeline.py

@@ -299,6 +299,9 @@ class BaseCCTVIngestor(ABC):
         pass
 
     def ingest(self):
+        # Ingestors may run independently (including from worker threads), so
+        # make sure a fresh checkout has both the directory and schema ready.
+        init_db()
         conn = sqlite3.connect(str(DB_PATH))
         try:
             cameras = self.fetch_data()

backend/services/layer_enable_refresh.py

@@ -51,8 +51,15 @@ def _instant_fetch(key: str) -> None:
 
 def _slow_fetch(key: str) -> None:
     if key == "cctv":
+        from services.cctv_pipeline import get_camera_count, run_all_ingestors
         from services.fetchers.infrastructure import fetch_cctv
 
+        # A fresh checkout can have an empty SQLite catalog even though the
+        # public camera feeds are available. Seed it the first time CCTV is
+        # enabled; otherwise the layer stays ON with zero map records until a
+        # later scheduler cycle happens to run.
+        if get_camera_count() == 0:
+            run_all_ingestors()
         fetch_cctv()
         logger.info("CCTV loaded (layer enabled)")
         return

backend/tests/test_layer_enable_refresh.py

@@ -56,3 +56,35 @@ def test_refresh_cctv_runs_on_slow_executor():
     assert slow_exec.submit.call_args[0][1] == ("cctv",)
 
     active_layers["cctv"] = before.get("cctv", False)
+
+
+def test_cctv_enable_seeds_empty_catalog_before_loading():
+    """An empty CCTV DB must trigger the public ingestors on first enable."""
+    from services.layer_enable_refresh import _slow_fetch
+
+    with (
+        patch("services.cctv_pipeline.get_camera_count", return_value=0) as count,
+        patch("services.cctv_pipeline.run_all_ingestors") as seed,
+        patch("services.fetchers.infrastructure.fetch_cctv") as fetch_cctv,
+    ):
+        _slow_fetch("cctv")
+
+    count.assert_called_once()
+    seed.assert_called_once()
+    fetch_cctv.assert_called_once()
+
+
+def test_cctv_enable_reuses_nonempty_catalog():
+    """A populated CCTV DB should stay fast and avoid re-seeding on enable."""
+    from services.layer_enable_refresh import _slow_fetch
+
+    with (
+        patch("services.cctv_pipeline.get_camera_count", return_value=12) as count,
+        patch("services.cctv_pipeline.run_all_ingestors") as seed,
+        patch("services.fetchers.infrastructure.fetch_cctv") as fetch_cctv,
+    ):
+        _slow_fetch("cctv")
+
+    count.assert_called_once()
+    seed.assert_not_called()
+    fetch_cctv.assert_called_once()