feat: add manual video tagging

app/api/asr/route.ts

@@ -3,6 +3,30 @@ export const runtime = "nodejs";
 import { type NextRequest, NextResponse } from "next/server";
 import { transcriptAweme } from ".";
 
+const runningJobs = new Map<string, Promise<void>>();
+
+function startBackgroundAsr(awemeId: string) {
+  if (runningJobs.has(awemeId)) return false;
+
+  const job = transcriptAweme(awemeId, {
+    log: (message) => console.log(`[ASR ${awemeId}] ${message}`),
+  })
+    .then((result) => {
+      console.log(
+        `[ASR ${awemeId}] done tags=${result.content_tags.join("、")}`,
+      );
+    })
+    .catch((error) => {
+      console.error(`[ASR ${awemeId}] failed:`, error);
+    })
+    .finally(() => {
+      runningJobs.delete(awemeId);
+    });
+
+  runningJobs.set(awemeId, job);
+  return true;
+}
+
 export async function GET(req: NextRequest) {
   const { searchParams } = new URL(req.url);
   const awemeId = searchParams.get("awemeId");
@@ -12,8 +36,19 @@ export async function GET(req: NextRequest) {
       { status: 400 },
     );
   }
+  const asyncMode =
+    searchParams.get("async") === "1" || searchParams.get("mode") === "async";
+
+  if (asyncMode) {
+    const started = startBackgroundAsr(awemeId);
+    return NextResponse.json(
+      { awemeId, status: started ? "started" : "running" },
+      { status: 202 },
+    );
+  }
+
   try {
-    const result = await transcriptAweme(awemeId, /* {log: (msg) => console.log(`[ASR] ${msg}`)} */);
+    const result = await transcriptAweme(awemeId);
     return NextResponse.json(result);
   } catch (error) {
     console.error("ASR failed:", error);