Saving our work just in case.

app/db_connection.py

@@ -0,0 +1,28 @@
+"""
+Independent database connection module to prevent circular imports.
+"""
+import logging
+from sqlalchemy import create_engine
+from app.config import settings
+
+# Use local logger to avoid importing app.log (which might create cycles)
+log = logging.getLogger(__name__)
+
+db_uri = settings.SQLALCHEMY_DB_URI
+engine = create_engine(
+    url = db_uri,
+    echo = False,
+    pool_use_lifo = True,
+    pool_pre_ping = True,
+    pool_recycle = settings.DB['pool_recycle'],
+    isolation_level = 'READ COMMITTED',
+    connect_args = {'connect_timeout': settings.DB['connect_timeout']}
+)
+
+log.info('DB Connection initializing...')
+db = None
+try:
+    db = engine.connect()
+    log.info(f'Connected to database: {db_uri}')
+except Exception:
+    log.exception('Could not connect to database.')