feat(eval): POST /api/insights/eval-sets thin wrapper (create + optional run)

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

apps/web/src/app/api/insights/eval-sets/route.ts

@@ -0,0 +1,27 @@
+import { NextResponse } from "next/server";
+import { createEvalSet, triggerEvalRun } from "@/app/insights/_actions";
+
+export const dynamic = "force-dynamic";
+
+// POST { promptTag, name, description?, cases } -> create + optionally run
+export async function POST(req: Request) {
+  const body = await req.json().catch(() => null);
+  if (!body || !body.promptTag || !body.name || !Array.isArray(body.cases)) {
+    return NextResponse.json({ ok: false, error: "bad_body" }, { status: 400 });
+  }
+  try {
+    const created = await createEvalSet({
+      promptTag: body.promptTag,
+      name: body.name,
+      description: body.description,
+      casesJson: JSON.stringify(body.cases),
+    });
+    if (body.run) {
+      const job = await triggerEvalRun(created.id);
+      return NextResponse.json({ ok: true, evalSetId: created.id, jobId: job.jobId });
+    }
+    return NextResponse.json({ ok: true, evalSetId: created.id });
+  } catch (e) {
+    return NextResponse.json({ ok: false, error: (e as Error).message }, { status: 500 });
+  }
+}