fix: correct autonomous action service calendar and email queries

- Fix SyncService.get_calendar_events() to use start_date/end_date params
- Fix Entity.email query (was incorrectly using metadata JSONB)
- Calendar actions and prep reminders now work correctly

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: 2 people

backend/app/services/autonomous_action_service.py

@@ -407,9 +407,11 @@ async def _generate_conflict_actions(
 
         try:
             # Get upcoming events to check for conflicts
+            now = datetime.utcnow()
             events = await self.sync_service.get_calendar_events(
                 user_id=user_id,
-                days_ahead=7,
+                start_date=now,
+                end_date=now + timedelta(days=7),
             )
 
             calendar_events = events.get("events", [])
@@ -487,10 +489,12 @@ async def _generate_prep_actions(
         actions = []
 
         try:
-            # Get meetings in next 4 hours
+            # Get meetings in next 24 hours
+            now = datetime.utcnow()
             events = await self.sync_service.get_calendar_events(
                 user_id=user_id,
-                days_ahead=1,
+                start_date=now,
+                end_date=now + timedelta(days=1),
             )
 
             now = datetime.utcnow()

backend/app/services/email_urgency_service.py

@@ -67,13 +67,13 @@ async def get_sender_relationship_tier(
     ) -> Optional[str]:
         """Get the relationship tier for an email sender."""
         try:
-            # Find entity by email
+            # Find entity by email (email is a direct column, not in metadata)
             result = await self.db.execute(
                 select(Entity).where(
                     and_(
                         Entity.user_id == user_id,
                         Entity.entity_type == "person",
-                        Entity.metadata["email"].astext == sender_email,
+                        Entity.email == sender_email,
                     )
                 )
             )