feat: add direct PostgreSQL and ACK deployment support

app/api/health/route.ts

@@ -5,6 +5,7 @@ import { getVisibleImageCapabilities } from "@/lib/jimeng/capabilities";
 import { shouldMockVisualApi } from "@/lib/volcengine/visual-client";
 import { getSeedanceConfig, shouldMockSeedance } from "@/lib/seedance/client";
 import { getBailianConfig, shouldMockBailian } from "@/lib/bailian/client";
+import { getDatabaseStatus } from "@/lib/server/database";
 
 export const runtime = "nodejs";
 
@@ -12,6 +13,12 @@ export async function GET() {
   const evolink = getEvolinkImageSettings();
   const auth = getAuthRuntimeConfig();
   const bailian = getBailianConfig();
+  let database: { backend: "local" | "postgres" | "invalid"; configured: boolean };
+  try {
+    database = getDatabaseStatus();
+  } catch {
+    database = { backend: "invalid", configured: false };
+  }
   return jsonOk({
     ok: true,
     appId: "zhinian-web-studio",
@@ -21,6 +28,7 @@ export async function GET() {
     seedanceMode: shouldMockSeedance() ? "mock" : "seedance",
     bailianMode: shouldMockBailian() ? "mock" : bailian.apiKey ? "bailian" : "missing",
     authMode: authConfigSummary(auth),
+    database,
     capabilities: [
       ...getVisibleImageCapabilities().map((capability) => {
         const engine = getEffectiveImageEngine(capability.id);

app/api/ready/route.ts

@@ -0,0 +1,31 @@
+import { NextResponse } from "next/server";
+import { checkDatabaseReadiness, getDatabaseStatus } from "@/lib/server/database";
+
+export const runtime = "nodejs";
+
+const READINESS_TIMEOUT_MS = 3_000;
+
+export async function GET() {
+  let database: { backend: "local" | "postgres" | "invalid"; configured: boolean };
+  try {
+    database = getDatabaseStatus();
+  } catch {
+    database = { backend: "invalid", configured: false };
+    return NextResponse.json({ ok: false, database }, { status: 503 });
+  }
+
+  let timeout: ReturnType<typeof setTimeout> | undefined;
+  try {
+    await Promise.race([
+      checkDatabaseReadiness(),
+      new Promise<never>((_, reject) => {
+        timeout = setTimeout(() => reject(new Error("Database readiness timed out")), READINESS_TIMEOUT_MS);
+      })
+    ]);
+    return NextResponse.json({ ok: true, database });
+  } catch {
+    return NextResponse.json({ ok: false, database }, { status: 503 });
+  } finally {
+    if (timeout) clearTimeout(timeout);
+  }
+}

app/billing/error.tsx

@@ -12,7 +12,7 @@ export default function BillingError({ reset }: { error: Error & { digest?: stri
       <div className="billing-route-error-card">
         <span className="billing-route-error-kicker">计费中心</span>
         <h1>计费服务暂时不可用</h1>
-        <p>请先刷新页面。如果平台使用 Supabase，请确认已在 SQL Editor 执行最新的 <code>supabase/schema.sql</code>。</p>
+        <p>请先刷新页面。如果问题持续，请检查服务端日志，并确认已通过 <code>npm run db:migrate</code> 完成数据库迁移。</p>
         <button type="button" onClick={() => reset()}>重新加载</button>
       </div>
     </main>