Add notification settings, account deletion, photo reporting, and pending-user photos

Addresses user bug reports: settings pages needed real notification
preferences and account deletion, admin needed a way to flag a specific
photo independent of deleting it, and the pending-approval users list
needed to surface applicant photos for review.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

internal/handler/profile_handler.go

@@ -170,3 +170,34 @@ func (h *ProfileHandler) CheckIn(c *gin.Context) {
 	}
 	utils.Success(c, http.StatusOK, "", result)
 }
+
+// UpdateNotificationSettings PATCH /profile/notifications
+func (h *ProfileHandler) UpdateNotificationSettings(c *gin.Context) {
+	user, ok := currentUser(c)
+	if !ok {
+		return
+	}
+	var req dto.UpdateNotificationSettingsRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		utils.Fail(c, http.StatusBadRequest, "ورودی نامعتبر است", err.Error())
+		return
+	}
+	if err := h.profileService.UpdateNotificationSettings(user, req); err != nil {
+		utils.Fail(c, http.StatusInternalServerError, "خطا در ذخیره‌ی تنظیمات اعلان", nil)
+		return
+	}
+	utils.Success(c, http.StatusOK, "تنظیمات اعلان ذخیره شد", nil)
+}
+
+// DeleteAccount DELETE /profile/me — غیرفعال کردن (soft delete) حساب کاربر
+func (h *ProfileHandler) DeleteAccount(c *gin.Context) {
+	user, ok := currentUser(c)
+	if !ok {
+		return
+	}
+	if err := h.profileService.DeleteAccount(user); err != nil {
+		utils.Fail(c, http.StatusInternalServerError, "خطا در حذف حساب", nil)
+		return
+	}
+	utils.Success(c, http.StatusOK, "حساب کاربری غیرفعال شد", nil)
+}