feat(agent): add Final field to outbound messages

pkg/agent/loop.go

@@ -193,6 +193,7 @@ func registerSharedTools(
 					Channel: channel,
 					ChatID:  chatID,
 					Content: content,
+					Final:   true,
 				})
 			})
 			agent.Tools.Register(messageTool)
@@ -315,6 +316,7 @@ func (al *AgentLoop) Run(ctx context.Context) error {
 						Channel: msg.Channel,
 						ChatID:  msg.ChatID,
 						Content: response,
+						Final:   true,
 					})
 					logger.InfoCF("agent", "Published outbound response",
 						map[string]any{

pkg/agent/loop_mcp.go

@@ -64,7 +64,7 @@ func (al *AgentLoop) ensureMCPInitialized(ctx context.Context) error {
 		return nil
 	}
 
-	if al.cfg.Tools.MCP.Servers == nil || len(al.cfg.Tools.MCP.Servers) == 0 {
+	if len(al.cfg.Tools.MCP.Servers) == 0 {
 		logger.WarnCF("agent", "MCP is enabled but no servers are configured, skipping MCP initialization", nil)
 		return nil
 	}

pkg/bus/types.go

@@ -34,6 +34,7 @@ type OutboundMessage struct {
 	ChatID           string `json:"chat_id"`
 	Content          string `json:"content"`
 	ReplyToMessageID string `json:"reply_to_message_id,omitempty"`
+	Final            bool   `json:"final,omitempty"`
 }
 
 // MediaPart describes a single media attachment to send.