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);