no-mistakes(review): Fix F01/F02/F05: technician name, duplicate timeline, FM dashboard property counts

app/services/ticket.py

@@ -196,7 +196,7 @@ async def list_tickets(
 
     # Paginate
     offset = (page - 1) * page_size
-    query = query.order_by(Ticket.created_at.desc()).offset(offset).limit(page_size)
+    query = query.order_by(Ticket.created_at.desc()).offset(offset).limit(page_size).options(selectinload(Ticket.assigned_technician))
 
     result = await db.execute(query)
     tickets = list(result.scalars().all())
@@ -214,8 +214,8 @@ async def update_ticket(
 
     # Handle status transitions separately
     new_status = data.get("status")
+    old_status = ticket.status
     if new_status is not None:
-        old_status = ticket.status
         if old_status != new_status:
             valid_targets = VALID_TRANSITIONS.get(old_status, [])
             if new_status not in valid_targets:
@@ -277,7 +277,7 @@ async def update_ticket(
 
     # Handle standalone note (no status change)
     note_only = data.get("note")
-    if note_only and (new_status is None or new_status == ticket.status):
+    if note_only and not (new_status is not None and old_status != new_status):
         await _log_status_change(
             db,
             ticket.id,