feat: show backend optimization progress

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

@@ -5,6 +5,10 @@ import { getRepositoryFromRuntime } from "../../../../../lib/db/repository";
 import { LlmValidationError } from "../../../../../lib/llm/client";
 import { getExportStoreFromRuntime } from "../../../../../lib/workflow/export-store";
 import { runOptimizationWorkflow } from "../../../../../lib/workflow/orchestrator";
+import {
+  recordWorkflowProgress,
+  startWorkflowProgress,
+} from "../../../../../lib/workflow/progress-store";
 
 interface RouteContext {
   params: Promise<{ jobId: string }>;
@@ -32,6 +36,7 @@ export async function POST(request: Request, context: RouteContext) {
   }
 
   const requestStartedAt = Date.now();
+  startWorkflowProgress(jobId);
   try {
     const result = await runOptimizationWorkflow({
       input: {
@@ -42,6 +47,9 @@ export async function POST(request: Request, context: RouteContext) {
         user_instructions: job.user_instructions,
       },
       factCard: factCardRecord,
+      onProgress: (event) => {
+        recordWorkflowProgress(jobId, event);
+      },
     });
     const optimizedArticle = await repository.saveOptimizedArticle(
       jobId,

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

@@ -0,0 +1,18 @@
+import { NextResponse } from "next/server";
+
+import { requireApiAccess } from "../../../../../lib/api/auth";
+import { getWorkflowProgress } from "../../../../../lib/workflow/progress-store";
+
+interface RouteContext {
+  params: Promise<{ jobId: string }>;
+}
+
+export async function GET(request: Request, context: RouteContext) {
+  const access = requireApiAccess(request);
+  if (!access.ok) {
+    return access.response;
+  }
+
+  const { jobId } = await context.params;
+  return NextResponse.json({ progress: getWorkflowProgress(jobId) });
+}