feat(contact-agent): linking to existing instead of creating new ones

backend/agents/client/client.go

@@ -209,6 +209,9 @@ func (client AgentClient) Process(info ToolHandlerInfo, req *AgentRequestBody) e
 
 		toolResponse := client.ToolHandler.Handle(info, toolCall)
 
+		client.Log.SetLevel(log.DebugLevel)
+		client.Log.Debugf("Response: %s", toolResponse.Content)
+
 		req.Chat.AddToolResponse(toolResponse)
 	}
 

backend/agents/contact_agent.go

@@ -20,7 +20,8 @@ You can use tools to achieve your task.
 
 You should use listContacts to make sure that you don't create duplicate contacts.
 
-Call createContact when you see there is a new contact on this image.
+Call createContact when you see there is a new contact on this image. Do not create duplicate contacts.
+Or call linkContact when you think this image contains an existing contact.
 
 Call finish if you dont think theres anything else to do.
 `
@@ -65,6 +66,23 @@ const contactTools = `
                 "required": ["name"]
             }
         }
+    },
+	{
+        "type": "function",
+        "function": {
+            "name": "linkContact",
+            "description": "Links an existing contact with this image",
+            "parameters": {
+                "type": "object",
+                "properties": {
+                    "contactId": {
+                        "type": "string",
+						"description": "The UUID of the existing contact"
+                    }
+                },
+                "required": ["contactId"]
+            }
+        }
     },
 	{
         "type": "function",
@@ -94,6 +112,9 @@ type createContactsArguments struct {
 	Address     *string `json:"address"`
 	Email       *string `json:"email"`
 }
+type linkContactArguments struct {
+	ContactID string `json:"contactId"`
+}
 
 // Yeah this is just a copy of the other one.
 func (agent ContactAgent) GetContacts(userId uuid.UUID, imageId uuid.UUID, imageName string, imageData []byte) error {
@@ -178,5 +199,27 @@ func NewContactAgent(contactModel models.ContactModel) (ContactAgent, error) {
 		return contact, nil
 	})
 
+	agentClient.ToolHandler.AddTool("linkContact", func(info client.ToolHandlerInfo, _args string, call client.ToolCall) (any, error) {
+		args := linkContactArguments{}
+		err := json.Unmarshal([]byte(_args), &args)
+		if err != nil {
+			return "", err
+		}
+
+		ctx := context.Background()
+
+		contactUuid, err := uuid.Parse(args.ContactID)
+		if err != nil {
+			return "", err
+		}
+
+		_, err = agent.contactModel.SaveToImage(ctx, info.ImageId, contactUuid)
+		if err != nil {
+			return "", err
+		}
+
+		return "Saved", nil
+	})
+
 	return agent, nil
 }