fix(testkit): macOS compat + fix test 8c ordering (#24)

artifacts/api-server/src/routes/demo.ts

@@ -1,8 +1,10 @@
 import { Router, type Request, type Response } from "express";
 import { RunDemoQueryParams } from "@workspace/api-zod";
 import { agentService } from "../lib/agent.js";
+import { makeLogger } from "../lib/logger.js";
 
 const router = Router();
+const logger = makeLogger("demo");
 
 const RATE_LIMIT_MAX = 5;
 const RATE_LIMIT_WINDOW_MS = 60 * 60 * 1000;
@@ -35,6 +37,7 @@ router.get("/demo", async (req: Request, res: Response) => {
   const { allowed, resetAt } = checkRateLimit(ip);
   if (!allowed) {
     const secsUntilReset = Math.ceil((resetAt - Date.now()) / 1000);
+    logger.warn("demo rate limited", { ip, retry_after_s: secsUntilReset });
     res.status(429).json({
       error: `Rate limit exceeded. Try again in ${secsUntilReset}s (5 requests per hour per IP).`,
     });
@@ -52,11 +55,14 @@ router.get("/demo", async (req: Request, res: Response) => {
   }
   const { request } = parseResult.data;
 
+  logger.info("demo request received", { ip });
+
   try {
     const { result } = await agentService.executeWork(request);
     res.json({ result });
   } catch (err) {
     const message = err instanceof Error ? err.message : "Agent error";
+    logger.error("demo agent error", { ip, error: message });
     res.status(500).json({ error: message });
   }
 });