feat(location): prompt tweak + going back to faster model

backend/agents/client/client.go

@@ -242,7 +242,7 @@ func (client *AgentClient) RunAgent(userId uuid.UUID, imageId uuid.UUID, imageNa
 	request := AgentRequestBody{
 		Tools:       &tools,
 		ToolChoice:  &toolChoice,
-		Model:       "pixtral-large-latest",
+		Model:       "pixtral-12b-2409",
 		Temperature: 0.3,
 		EndToolCall: client.Options.EndToolCall,
 		ResponseFormat: ResponseFormat{

backend/agents/location_agent.go

@@ -38,6 +38,7 @@ Action loop:
 	* If no existing location looks like the location on the input. You should use createLocation.
 		* Do not use this tool if this location already exists.
 	* If the input contains a location that already exists, you should use createExistingLocation.
+		* If there is a similar location in listLocation, you should use this tool. It doesnt have to be an exact match.
 
 You should repeat the action loop until all locations on the image are done.
 Once you are done, use stopAgent.