feat: add task workflow and asset downloads

app/api/internal/worker/tick/route.ts

@@ -0,0 +1,24 @@
+import { jsonError, jsonOk, readJsonBody } from "@/lib/server/api";
+import { assertInternalWorkerToken, PublicApiAuthError } from "@/lib/server/public-api-auth";
+import { runWorkerTick } from "@/lib/server/task-manager";
+
+export const runtime = "nodejs";
+
+export async function POST(request: Request) {
+  try {
+    assertInternalWorkerToken(request);
+    const body = await readJsonBody<{
+      workerId?: string;
+      limit?: number;
+    }>(request);
+    const result = await runWorkerTick({
+      request,
+      workerId: body.workerId,
+      limit: typeof body.limit === "number" ? body.limit : undefined
+    });
+    return jsonOk(result);
+  } catch (error) {
+    if (error instanceof PublicApiAuthError) return jsonError(error.message, error.status);
+    return jsonError(error, 500);
+  }
+}