changes

.memory/knowledge/patterns/chat-and-llm.md

@@ -1,3 +1,9 @@
+---
+title: chat-and-llm
+type: note
+permalink: voyage/knowledge/patterns/chat-and-llm
+---
+
 # Chat & LLM Patterns
 
 ## Default AI Settings & Model Override
@@ -164,4 +170,4 @@ All tool functions: `def tool_name(user, **kwargs) -> dict`. Return `{"error": "
 ## WS4-F3 Add-to-itinerary from Chat
 - `search_places` card results can be added directly to itinerary when collection context exists
 - Flow: date selector modal -> `POST /api/locations/` -> `POST /api/itineraries/` -> `itemAdded` event
-- Coordinate guard (`hasPlaceCoordinates`) required
+- Coordinate guard (`hasPlaceCoordinates`) required