fix(agent): improve /btw command implementation

pkg/agent/loop.go

@@ -3793,8 +3793,10 @@ func (al *AgentLoop) tryHandlePriorityCommand(ctx context.Context, msg bus.Inbou
 	route, agent, err := al.resolveMessageRoute(msg)
 	if err != nil || agent == nil {
 		if err != nil {
+			logger.ErrorCF("agent", fmt.Sprintf("Error resolving route for /btw: %v", err), nil)
 			return true, fmt.Sprintf("Error processing message: %v", err)
 		}
+		logger.WarnCF("agent", "/btw command unavailable: no agent resolved", nil)
 		return true, "Command unavailable in current context."
 	}
 

pkg/agent/steering_test.go

@@ -1062,7 +1062,7 @@ func TestAgentLoop_Steering_BtwCommandBypassesQueuedTurn(t *testing.T) {
 		Channel:  "test",
 		SenderID: "user1",
 		ChatID:   "chat1",
-		Content:  "/btw 你说283928",
+		Content:  "/btw what is the current progress?",
 		Peer: bus.Peer{
 			Kind: "direct",
 			ID:   "user1",

pkg/commands/cmd_btw.go

@@ -17,10 +17,11 @@ func btwCommand() Definition {
 				return req.Reply(unavailableMsg)
 			}
 
-			question := strings.TrimSpace(strings.TrimPrefix(strings.TrimSpace(req.Text), nthToken(req.Text, 0)))
-			if question == "" {
+			parts := strings.Fields(strings.TrimSpace(req.Text))
+			if len(parts) < 2 {
 				return req.Reply("Usage: /btw <question>")
 			}
+			question := strings.Join(parts[1:], " ")
 
 			answer, err := rt.AskSideQuestion(ctx, question)
 			if err != nil {