Initial commit: TaskPool React panel

- React frontend with route-level code splitting
- Backend rebranded from Baihu to TaskPool
- DB brand migration script and local compatibility

internal/utils/response.go

@@ -0,0 +1,59 @@
+package utils
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+)
+
+type Response struct {
+	Code int         `json:"code"`
+	Msg  string      `json:"msg"`
+	Data interface{} `json:"data,omitempty"`
+}
+
+func Success(c *gin.Context, data interface{}) {
+	c.JSON(http.StatusOK, Response{
+		Code: 200,
+		Msg:  "success",
+		Data: data,
+	})
+}
+
+func SuccessMsg(c *gin.Context, msg string) {
+	c.JSON(http.StatusOK, Response{
+		Code: 200,
+		Msg:  msg,
+	})
+}
+
+func Error(c *gin.Context, code int, msg string) {
+	c.JSON(http.StatusOK, Response{
+		Code: code,
+		Msg:  msg,
+	})
+}
+
+func BadRequest(c *gin.Context, msg string) {
+	Error(c, 400, msg)
+}
+
+func Unauthorized(c *gin.Context, msg string) {
+	Error(c, 401, msg)
+}
+
+func Forbidden(c *gin.Context, msg string) {
+	Error(c, 403, msg)
+}
+
+func NotFound(c *gin.Context, msg string) {
+	Error(c, 404, msg)
+}
+
+func TooManyRequests(c *gin.Context, msg string) {
+	Error(c, 429, msg)
+}
+
+func ServerError(c *gin.Context, msg string) {
+	Error(c, 500, msg)
+}