Fix Alembic issue

services/external/app/models/__init__.py

@@ -1 +1,28 @@
-# services/external/app/models/__init__.py
+"""
+External Service Models Package
+
+Import all models to ensure they are registered with SQLAlchemy Base.
+"""
+
+# Import all models to register them with the Base metadata
+from .traffic import (
+    TrafficData,
+    TrafficMeasurementPoint,
+    TrafficDataBackgroundJob,
+)
+
+from .weather import (
+    WeatherData,
+    WeatherForecast,
+)
+
+# List all models for easier access
+__all__ = [
+    # Traffic models
+    "TrafficData",
+    "TrafficMeasurementPoint",
+    "TrafficDataBackgroundJob",
+    # Weather models
+    "WeatherData",
+    "WeatherForecast",
+]