feat(init): Initializes the project's basic structure and configuration files.

internal/shared/protocol/http_codec.go

@@ -0,0 +1,68 @@
+package protocol
+
+import (
+	"encoding/json"
+	"errors"
+
+	"github.com/vmihailenco/msgpack/v5"
+)
+
+// EncodeHTTPRequest encodes HTTPRequest using msgpack encoding (optimized)
+func EncodeHTTPRequest(req *HTTPRequest) ([]byte, error) {
+	return msgpack.Marshal(req)
+}
+
+// DecodeHTTPRequest decodes HTTPRequest with automatic version detection
+// Detects based on first byte: '{' = JSON, else = msgpack
+func DecodeHTTPRequest(data []byte) (*HTTPRequest, error) {
+	if len(data) == 0 {
+		return nil, errors.New("empty data")
+	}
+
+	var req HTTPRequest
+
+	// Auto-detect: JSON starts with '{', msgpack starts with 0x80-0x8f (fixmap)
+	if data[0] == '{' {
+		// v1: JSON
+		if err := json.Unmarshal(data, &req); err != nil {
+			return nil, err
+		}
+	} else {
+		// v2: msgpack
+		if err := msgpack.Unmarshal(data, &req); err != nil {
+			return nil, err
+		}
+	}
+
+	return &req, nil
+}
+
+// EncodeHTTPResponse encodes HTTPResponse using msgpack encoding (optimized)
+func EncodeHTTPResponse(resp *HTTPResponse) ([]byte, error) {
+	return msgpack.Marshal(resp)
+}
+
+// DecodeHTTPResponse decodes HTTPResponse with automatic version detection
+// Detects based on first byte: '{' = JSON, else = msgpack
+func DecodeHTTPResponse(data []byte) (*HTTPResponse, error) {
+	if len(data) == 0 {
+		return nil, errors.New("empty data")
+	}
+
+	var resp HTTPResponse
+
+	// Auto-detect: JSON starts with '{', msgpack starts with 0x80-0x8f (fixmap)
+	if data[0] == '{' {
+		// v1: JSON
+		if err := json.Unmarshal(data, &resp); err != nil {
+			return nil, err
+		}
+	} else {
+		// v2: msgpack
+		if err := msgpack.Unmarshal(data, &resp); err != nil {
+			return nil, err
+		}
+	}
+
+	return &resp, nil
+}