fix(canvas): hide realtime button when feature or service is disabled

app/api/site-settings/route.ts

@@ -35,6 +35,7 @@ const LOVART_PROMPT_TAG_VISIBILITY_KEY = "lovart_prompt_tag_visibility";
 const CONTACT_CONFIG_KEY = "contact_config";
 const MEMBERSHIP_CONFIG_KEY = "membership_config";
 const MEMBERSHIP_USER_OVERRIDES_KEY = "membership_user_plan_overrides";
+const REALTIME_CANVAS_CONFIG_KEY = "realtime_canvas_config";
 
 function normalizeHomeVariant(value: unknown): "classic" | "lovart" {
   return value === "lovart" ? "lovart" : "classic";
@@ -152,6 +153,7 @@ export async function GET() {
       pointsSystemConfigSetting,
       pointsPackagesSetting,
       dulupayConfigSetting,
+      realtimeCanvasConfigSetting,
     ] = await Promise.all([
       db.select().from(siteSettings).limit(1).then(rows => rows[0]),
       db
@@ -232,6 +234,12 @@ export async function GET() {
         .where(eq(systemSettings.key, DULUPAY_CONFIG_KEY))
         .limit(1)
         .then(rows => rows[0]),
+      db
+        .select()
+        .from(systemSettings)
+        .where(eq(systemSettings.key, REALTIME_CANVAS_CONFIG_KEY))
+        .limit(1)
+        .then(rows => rows[0]),
     ]);
     
     const notification = notificationSetting?.value || { enabled: false, title: "", content: "" };
@@ -259,6 +267,8 @@ export async function GET() {
     const dulupayConfig = isAdmin
       ? normalizeDulupayConfig(dulupayConfigSetting?.value)
       : normalizeDulupayForPublic(dulupayConfigSetting?.value);
+    const realtimeCanvasServiceEnabled =
+      (realtimeCanvasConfigSetting?.value as { enabled?: boolean } | undefined)?.enabled !== false;
     
     // 如果没有设置记录，返回默认值
     const baseSettings = settings || {
@@ -284,6 +294,7 @@ export async function GET() {
         rankingEnabled: true,
         canvasEnabled: true,
         realtimeCanvasEnabled: true,
+        realtimeCanvasServiceEnabled: true,
         canvasDefaultModelId: null,
         canvasAutoModeDefaultModelId: null,
         canvasDetailDefaultModelId: null,
@@ -326,6 +337,7 @@ export async function GET() {
         pointsSystemConfig,
         pointsPackages,
         dulupayConfig,
+        realtimeCanvasServiceEnabled,
     });
     
     // 禁用缓存，确保总是获取最新设置

app/canvas/[id]/page.tsx

@@ -130,6 +130,7 @@ export default function CanvasEditorPage({ params }: PageProps) {
     siteLogo?: string | null;
     siteLogoDark?: string | null;
     realtimeCanvasEnabled?: boolean;
+    realtimeCanvasServiceEnabled?: boolean;
   }>("/api/site-settings", fetcher);
   
   // 生成配置
@@ -753,7 +754,8 @@ export default function CanvasEditorPage({ params }: PageProps) {
                 <TooltipContent side="right">添加图片</TooltipContent>
               </Tooltip>
 
-              {siteSettingsData?.realtimeCanvasEnabled ? (
+              {siteSettingsData?.realtimeCanvasEnabled === true &&
+              siteSettingsData?.realtimeCanvasServiceEnabled !== false ? (
                 <Tooltip>
                   <TooltipTrigger asChild>
                     <Button