feat(ECR-018): Entitlement 用户权益只读并 Closed

聚合 GET /admin/users/:id/entitlements（Membership∪DeepAccess∪问答额度）与 admin-h5 权益 Tab；无 migration / 无真支付。

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/internal/handler/admin.go

@@ -48,6 +48,7 @@ func (h *AdminHandler) Register(api *gin.RouterGroup) {
 	h.registerRedemption(authed)
 	h.registerInsight(authed)
 	h.registerAskOps(authed)
+	h.registerEntitlement(authed)
 }
 
 func (h *AdminHandler) Login(c *gin.Context) {

apps/api/internal/handler/admin_entitlement.go

@@ -0,0 +1,35 @@
+package handler
+
+import (
+	"errors"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+
+	"github.com/yuxingu/digital-psychology/apps/api/internal/middleware"
+	"github.com/yuxingu/digital-psychology/apps/api/internal/service/admin"
+	"github.com/yuxingu/digital-psychology/apps/api/pkg/response"
+)
+
+func (h *AdminHandler) registerEntitlement(authed *gin.RouterGroup) {
+	authed.GET("/users/:id/entitlements", middleware.RequireAdminPermission(h.Svc, admin.PermUsersRead), h.GetUserEntitlements)
+}
+
+func (h *AdminHandler) GetUserEntitlements(c *gin.Context) {
+	id, err := uuid.Parse(c.Param("id"))
+	if err != nil {
+		response.Fail(c, http.StatusBadRequest, 40002, "invalid user id")
+		return
+	}
+	ent, err := h.Svc.GetUserEntitlement(c.Request.Context(), id)
+	if errors.Is(err, admin.ErrUserNotFound) {
+		response.Fail(c, http.StatusNotFound, 40401, "user not found")
+		return
+	}
+	if err != nil {
+		response.Fail(c, http.StatusInternalServerError, 50021, "get entitlements failed")
+		return
+	}
+	response.OK(c, ent)
+}