fix: resolve golangci-lint errcheck warnings

- Add error checks for unchecked return values (errcheck)
- Remove unused struct fields (unused)
- Fix gofmt formatting issues

messages/bench_test.go

@@ -178,7 +178,7 @@ func BenchmarkEncode_ChatRequest_MsgpackMap(b *testing.B) {
 	data := chatRequestMap()
 	b.ResetTimer()
 	for b.Loop() {
-		msgpack.Marshal(data)
+		_, _ = msgpack.Marshal(data)
 	}
 }
 
@@ -186,7 +186,7 @@ func BenchmarkEncode_ChatRequest_MsgpackStruct(b *testing.B) {
 	data := chatRequestStruct()
 	b.ResetTimer()
 	for b.Loop() {
-		msgpack.Marshal(data)
+		_, _ = msgpack.Marshal(data)
 	}
 }
 
@@ -194,7 +194,7 @@ func BenchmarkEncode_ChatRequest_Protobuf(b *testing.B) {
 	data := chatRequestProto()
 	b.ResetTimer()
 	for b.Loop() {
-		proto.Marshal(data)
+		_, _ = proto.Marshal(data)
 	}
 }
 
@@ -202,7 +202,7 @@ func BenchmarkEncode_VoiceResponse_MsgpackMap(b *testing.B) {
 	data := voiceResponseMap()
 	b.ResetTimer()
 	for b.Loop() {
-		msgpack.Marshal(data)
+		_, _ = msgpack.Marshal(data)
 	}
 }
 
@@ -210,7 +210,7 @@ func BenchmarkEncode_VoiceResponse_MsgpackStruct(b *testing.B) {
 	data := voiceResponseStruct()
 	b.ResetTimer()
 	for b.Loop() {
-		msgpack.Marshal(data)
+		_, _ = msgpack.Marshal(data)
 	}
 }
 
@@ -218,7 +218,7 @@ func BenchmarkEncode_VoiceResponse_Protobuf(b *testing.B) {
 	data := voiceResponseProto()
 	b.ResetTimer()
 	for b.Loop() {
-		proto.Marshal(data)
+		_, _ = proto.Marshal(data)
 	}
 }
 
@@ -226,7 +226,7 @@ func BenchmarkEncode_TTSChunk_MsgpackMap(b *testing.B) {
 	data := ttsChunkMap()
 	b.ResetTimer()
 	for b.Loop() {
-		msgpack.Marshal(data)
+		_, _ = msgpack.Marshal(data)
 	}
 }
 
@@ -234,7 +234,7 @@ func BenchmarkEncode_TTSChunk_MsgpackStruct(b *testing.B) {
 	data := ttsChunkStruct()
 	b.ResetTimer()
 	for b.Loop() {
-		msgpack.Marshal(data)
+		_, _ = msgpack.Marshal(data)
 	}
 }
 
@@ -242,7 +242,7 @@ func BenchmarkEncode_TTSChunk_Protobuf(b *testing.B) {
 	data := ttsChunkProto()
 	b.ResetTimer()
 	for b.Loop() {
-		proto.Marshal(data)
+		_, _ = proto.Marshal(data)
 	}
 }
 
@@ -255,7 +255,7 @@ func BenchmarkDecode_ChatRequest_MsgpackMap(b *testing.B) {
 	b.ResetTimer()
 	for b.Loop() {
 		var m map[string]any
-		msgpack.Unmarshal(encoded, &m)
+		_ = msgpack.Unmarshal(encoded, &m)
 	}
 }
 
@@ -264,7 +264,7 @@ func BenchmarkDecode_ChatRequest_MsgpackStruct(b *testing.B) {
 	b.ResetTimer()
 	for b.Loop() {
 		var m ChatRequest
-		msgpack.Unmarshal(encoded, &m)
+		_ = msgpack.Unmarshal(encoded, &m)
 	}
 }
 
@@ -273,7 +273,7 @@ func BenchmarkDecode_ChatRequest_Protobuf(b *testing.B) {
 	b.ResetTimer()
 	for b.Loop() {
 		var m pb.ChatRequest
-		proto.Unmarshal(encoded, &m)
+		_ = proto.Unmarshal(encoded, &m)
 	}
 }
 
@@ -282,7 +282,7 @@ func BenchmarkDecode_VoiceResponse_MsgpackMap(b *testing.B) {
 	b.ResetTimer()
 	for b.Loop() {
 		var m map[string]any
-		msgpack.Unmarshal(encoded, &m)
+		_ = msgpack.Unmarshal(encoded, &m)
 	}
 }
 
@@ -291,7 +291,7 @@ func BenchmarkDecode_VoiceResponse_MsgpackStruct(b *testing.B) {
 	b.ResetTimer()
 	for b.Loop() {
 		var m VoiceResponse
-		msgpack.Unmarshal(encoded, &m)
+		_ = msgpack.Unmarshal(encoded, &m)
 	}
 }
 
@@ -300,7 +300,7 @@ func BenchmarkDecode_VoiceResponse_Protobuf(b *testing.B) {
 	b.ResetTimer()
 	for b.Loop() {
 		var m pb.VoiceResponse
-		proto.Unmarshal(encoded, &m)
+		_ = proto.Unmarshal(encoded, &m)
 	}
 }
 
@@ -309,7 +309,7 @@ func BenchmarkDecode_TTSChunk_MsgpackMap(b *testing.B) {
 	b.ResetTimer()
 	for b.Loop() {
 		var m map[string]any
-		msgpack.Unmarshal(encoded, &m)
+		_ = msgpack.Unmarshal(encoded, &m)
 	}
 }
 
@@ -318,7 +318,7 @@ func BenchmarkDecode_TTSChunk_MsgpackStruct(b *testing.B) {
 	b.ResetTimer()
 	for b.Loop() {
 		var m TTSAudioChunk
-		msgpack.Unmarshal(encoded, &m)
+		_ = msgpack.Unmarshal(encoded, &m)
 	}
 }
 
@@ -327,7 +327,7 @@ func BenchmarkDecode_TTSChunk_Protobuf(b *testing.B) {
 	b.ResetTimer()
 	for b.Loop() {
 		var m pb.TTSAudioChunk
-		proto.Unmarshal(encoded, &m)
+		_ = proto.Unmarshal(encoded, &m)
 	}
 }
 
@@ -341,7 +341,7 @@ func BenchmarkRoundtrip_ChatRequest_MsgpackMap(b *testing.B) {
 	for b.Loop() {
 		enc, _ := msgpack.Marshal(data)
 		var dec map[string]any
-		msgpack.Unmarshal(enc, &dec)
+		_ = msgpack.Unmarshal(enc, &dec)
 	}
 }
 
@@ -351,7 +351,7 @@ func BenchmarkRoundtrip_ChatRequest_MsgpackStruct(b *testing.B) {
 	for b.Loop() {
 		enc, _ := msgpack.Marshal(data)
 		var dec ChatRequest
-		msgpack.Unmarshal(enc, &dec)
+		_ = msgpack.Unmarshal(enc, &dec)
 	}
 }
 
@@ -361,7 +361,7 @@ func BenchmarkRoundtrip_ChatRequest_Protobuf(b *testing.B) {
 	for b.Loop() {
 		enc, _ := proto.Marshal(data)
 		var dec pb.ChatRequest
-		proto.Unmarshal(enc, &dec)
+		_ = proto.Unmarshal(enc, &dec)
 	}
 }