fix notification template: crew notes as cause, weather as live conditions

mcp_servers/passenger/server.py

@@ -67,9 +67,9 @@ def _template_notification(context: dict) -> str:
         "",
     ]
 
-    if weather_summary:
-        lines.append(f"Your flight is delayed due to {weather_summary}.")
-    elif delay_cause:
+    if crew_notes_summary:
+        lines.append(crew_notes_summary)
+    if delay_cause:
         cause_text = {
             "WEATHER": "weather conditions along your route",
             "MAINTENANCE": "a routine maintenance check on your aircraft",
@@ -77,10 +77,10 @@ def _template_notification(context: dict) -> str:
             "ATC": "air traffic control restrictions",
             "LATE_AIRCRAFT": "the late arrival of your inbound aircraft",
         }.get(delay_cause, f"{delay_cause.lower()}")
+        if not crew_notes_summary:
             lines.append(f"Your flight is delayed due to {cause_text}.")
-
-    if crew_notes_summary:
-        lines.append(crew_notes_summary)
+    if weather_summary:
+        lines.append(f"Current conditions: {weather_summary}.")
 
     if gate:
         lines.append(f"\nGate {gate} — no gate change expected.")