Update notification service

AppImage/scripts/notification_templates.py

@@ -775,6 +775,21 @@ TEMPLATES = {
         'default_enabled': False,
     },
     
+    # ── AI model migration ──
+    'ai_model_migrated': {
+        'title': '{hostname}: AI model updated',
+        'body': (
+            'The AI model for notifications has been automatically updated.\n'
+            'Provider: {provider}\n'
+            'Previous model: {old_model}\n'
+            'New model: {new_model}\n\n'
+            '{message}'
+        ),
+        'label': 'AI model auto-updated',
+        'group': 'system',
+        'default_enabled': True,
+    },
+    
     # ── Burst aggregation summaries (hidden -- auto-generated by BurstAggregator) ──
     # These inherit enabled state from their parent event type at dispatch time.
     'burst_auth_fail': {
@@ -1106,6 +1121,8 @@ EVENT_EMOJI = {
     'update_summary':       '\U0001F4E6',
     'pve_update':           '\U0001F195',         # NEW
     'update_complete':      '\u2705',
+    # AI
+    'ai_model_migrated':    '\U0001F916',         # robot
 }
 
 # Decorative field-level icons for body text enrichment