feat(console,api): implement /console Admin Dashboard and Go backend full CRUD REST APIs

- Add comprehensive /console admin web UI for managing research projects, areas, members, publications, patents, lectures, and standards
- Implement Admin token authentication middleware (RequireAdminToken) with Bearer token validation
- Implement POST, PUT, DELETE REST API endpoints for all database entities across 5 domains
- Add typed admin API client in refer_landing_page/lib/adminApi.ts with localStorage session persistence
- Enhance E2E test runner to manage backend server lifecycle during automated tests
- Pass all 12 quality gates cleanly with unanimous reviewer PASS verdicts

backend/internal/httpx/response.go

@@ -32,6 +32,20 @@ func Error(c *gin.Context, status int, msg string) {
 	})
 }
 
+func Created(c *gin.Context, data any) {
+	c.JSON(http.StatusCreated, SuccessResponse{
+		Data: data,
+	})
+}
+
+func NoContent(c *gin.Context) {
+	c.Status(http.StatusNoContent)
+}
+
+func Unauthorized(c *gin.Context, msg string) {
+	Error(c, http.StatusUnauthorized, msg)
+}
+
 func BadRequest(c *gin.Context, msg string) {
 	Error(c, http.StatusBadRequest, msg)
 }