style: gofmt + fix copylocks lint warning

e2e_test.go

@@ -169,13 +169,13 @@ func TestChatPipeline_LLMTimeout(t *testing.T) {
 func TestChatPipeline_TypedDecoding(t *testing.T) {
 	// Verify typed struct decoding from proto (same path as OnTypedMessage).
 	original := &messages.ChatRequest{
-		RequestId:      "req-e2e-001",
-		UserId:         "user-1",
-		Message:        "hello",
-		Premium:        true,
-		EnableRag:      false,
+		RequestId:       "req-e2e-001",
+		UserId:          "user-1",
+		Message:         "hello",
+		Premium:         true,
+		EnableRag:       false,
 		EnableStreaming: false,
-		SystemPrompt:   "Be brief.",
+		SystemPrompt:    "Be brief.",
 	}
 	data, _ := proto.Marshal(original)
 

main_test.go

@@ -55,7 +55,7 @@ func TestChatResponseRoundtrip(t *testing.T) {
 		t.Fatal(err)
 	}
 	if decoded.UserId != "user-1" || !decoded.Success {
-		t.Errorf("decoded = %+v", decoded)
+		t.Errorf("decoded: UserId=%s, Success=%v", decoded.UserId, decoded.Success)
 	}
 	if len(decoded.Audio) != 3 {
 		t.Errorf("audio len = %d", len(decoded.Audio))