feat: add workflow timing summaries

src/app/api/jobs/[jobId]/optimize/route.ts

@@ -31,6 +31,7 @@ export async function POST(request: Request, context: RouteContext) {
     );
   }
 
+  const requestStartedAt = Date.now();
   try {
     const result = await runOptimizationWorkflow({
       input: {
@@ -71,10 +72,20 @@ export async function POST(request: Request, context: RouteContext) {
       exportPaths,
       rewriteRounds: result.rewrite_rounds,
       stoppedAfterMaxRewrites: result.stopped_after_max_rewrites,
+      timing: result.timing,
     });
   } catch (error) {
     const message = error instanceof Error ? error.message : "LLM optimization failed";
-    return NextResponse.json({ error: message }, { status: getErrorStatus(error) });
+    return NextResponse.json(
+      {
+        error: message,
+        timing: {
+          total_ms: Date.now() - requestStartedAt,
+          steps: [],
+        },
+      },
+      { status: getErrorStatus(error) },
+    );
   }
 }
 

src/app/api/jobs/route.ts

@@ -23,17 +23,39 @@ export async function POST(request: Request) {
       publish_platform: normalized.articleInput.platform,
       user_instructions: normalized.articleInput.user_instructions,
     });
-    const candidateFactCard = await extractCandidateFactCard(normalized.articleInput);
+    const factStartedAt = Date.now();
+    const timing = {
+      total_ms: 0,
+      steps: [] as Array<{ label: string; duration_ms: number }>,
+    };
+    try {
+      const candidateFactCard = await extractCandidateFactCard(normalized.articleInput);
+      const duration = Date.now() - factStartedAt;
+      timing.total_ms = duration;
+      timing.steps.push({ label: "事实卡提取", duration_ms: duration });
 
-    return NextResponse.json({ job, candidateFactCard }, { status: 201 });
+      return NextResponse.json({ job, candidateFactCard, timing }, { status: 201 });
+    } catch (error) {
+      const duration = Date.now() - factStartedAt;
+      timing.total_ms = duration;
+      timing.steps.push({ label: "事实卡提取", duration_ms: duration });
+      return jsonError(error, getErrorStatus(error), timing);
+    }
   } catch (error) {
     return jsonError(error, getErrorStatus(error));
   }
 }
 
-function jsonError(error: unknown, status: number) {
+function jsonError(
+  error: unknown,
+  status: number,
+  timing?: { total_ms: number; steps: Array<{ label: string; duration_ms: number }> },
+) {
   const message = error instanceof Error ? error.message : "Request failed";
-  return NextResponse.json({ error: message }, { status });
+  return NextResponse.json(
+    timing ? { error: message, timing } : { error: message },
+    { status },
+  );
 }
 
 function getErrorStatus(error: unknown) {