Serve admin console at root path

pets-be/internal/admin/embed.go

@@ -12,7 +12,7 @@ import (
 //go:embed all:dist
 var distFS embed.FS
 
-// Register 把内嵌的后台 SPA 挂到 /admin 下，index.html 做 SPA fallback
+// Register 把内嵌的后台 SPA 挂到根路径，保留 /api 给业务接口。
 func Register(r *gin.Engine) {
 	sub, err := fs.Sub(distFS, "dist")
 	if err != nil {
@@ -21,9 +21,7 @@ func Register(r *gin.Engine) {
 	fileServer := http.FileServer(http.FS(sub))
 
 	handler := func(c *gin.Context) {
-		// 去掉前缀 /admin，交给内嵌文件服务器
-		reqPath := strings.TrimPrefix(c.Request.URL.Path, "/admin")
-		reqPath = strings.TrimPrefix(reqPath, "/")
+		reqPath := strings.TrimPrefix(c.Request.URL.Path, "/")
 
 		// 若请求的是真实存在的静态资源，直出；否则回退 index.html（前端路由）
 		if reqPath != "" {
@@ -43,6 +41,12 @@ func Register(r *gin.Engine) {
 		c.Data(http.StatusOK, "text/html; charset=utf-8", data)
 	}
 
-	r.GET("/admin", func(c *gin.Context) { c.Redirect(http.StatusFound, "/admin/") })
-	r.GET("/admin/*filepath", handler)
+	r.GET("/", handler)
+	r.NoRoute(func(c *gin.Context) {
+		if c.Request.Method != http.MethodGet || strings.HasPrefix(c.Request.URL.Path, "/api/") || c.Request.URL.Path == "/api" || strings.HasPrefix(c.Request.URL.Path, "/assets/") {
+			c.Status(http.StatusNotFound)
+			return
+		}
+		handler(c)
+	})
 }