refactor backend packages and global db service

backend/internal/httpx/router.go

@@ -1,43 +0,0 @@
-package httpx
-
-import (
-	"net/http"
-
-	"github.com/gin-gonic/gin"
-	"senlinai-agent/backend/internal/auth"
-	"senlinai-agent/backend/internal/config"
-)
-
-type RouteRegistrar interface {
-	Register(router gin.IRouter)
-}
-
-func NewRouter(cfg config.Config, registrars ...RouteRegistrar) *gin.Engine {
-	return newRouter(cfg, nil, registrars...)
-}
-
-func NewProtectedRouter(cfg config.Config, tokenVerifier func(string) (uint, error), registrars ...RouteRegistrar) *gin.Engine {
-	return newRouter(cfg, tokenVerifier, registrars...)
-}
-
-func newRouter(cfg config.Config, tokenVerifier func(string) (uint, error), registrars ...RouteRegistrar) *gin.Engine {
-	if cfg.Env == "test" {
-		gin.SetMode(gin.TestMode)
-	}
-
-	router := gin.New()
-	router.Use(gin.Recovery())
-
-	router.GET("/healthz", func(c *gin.Context) {
-		c.JSON(http.StatusOK, gin.H{"status": "ok"})
-	})
-	api := router.Group("/api")
-	if tokenVerifier != nil {
-		api.Use(auth.RequireUser(tokenVerifier))
-	}
-	for _, registrar := range registrars {
-		registrar.Register(api)
-	}
-
-	return router
-}