fix: login issue #2

backend/database/__init__.py

@@ -1,3 +1,4 @@
+# MQTT live data — Phase 5: all functions now backed by Postgres
 from database.pg_mqtt import (
     init_db,
     close_db,
@@ -19,9 +20,14 @@ from database.pg_mqtt import (
     ensure_current_partitions,
 )
 
+# SQLite connection — still used by melodies, builder, manufacturing, and crm
+# modules that have not yet been cut over to Postgres.
+from database.core import get_db
+
 __all__ = [
     "init_db",
     "close_db",
+    "get_db",
     "purge_loop",
     "purge_old_data",
     "insert_log",