Add driveway_entrance zone, motion mask, and required_zones for alerts

Bake UI-drawn zone coordinates and timestamp motion mask into IaC.
Restrict car/person/dog alerts to only fire when objects pass through
the driveway entrance zone.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

argocd/manifests/frigate/configmap.yaml

@@ -33,6 +33,17 @@ data:
           stationary:
             max_frames:
               default: 1500
+        motion:
+          mask:
+            - 0.401,0.026,0.4,0.078,0.587,0.072,0.585,0.02
+        zones:
+          driveway_entrance:
+            coordinates: 0.85,0.366,0.689,0.347,0.661,0.175,0.795,0.255
+            objects: [car, dog, person]
+        review:
+          alerts:
+            required_zones:
+              - driveway_entrance
         objects:
           track: [person, car, dog, cat, bird]