chore(deps): bump ai in /packages/sdk/server-ai/examples/vercel-ai

Bumps [ai](https://github.com/vercel/ai) from 5.0.0 to 5.0.52.
- [Release notes](https://github.com/vercel/ai/releases)
- [Changelog](https://github.com/vercel/ai/blob/main/CHANGELOG.md)
- [Commits](https://github.com/vercel/ai/compare/[email protected]@5.0.52)

---
updated-dependencies:
- dependency-name: ai
  dependency-version: 5.0.52
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: joker23

packages/sdk/server-ai/examples/vercel-ai/package.json

@@ -25,7 +25,7 @@
     "@launchdarkly/node-server-sdk": "^9.7.1",
     "@launchdarkly/server-sdk-ai": "^0.15.0",
     "@launchdarkly/server-sdk-ai-vercel": "^0.4.0",
-    "ai": "5.0.0",
+    "ai": "5.0.52",
     "zod": "^3.23.8"
   },
   "devDependencies": {

packages/sdk/server-ai/examples/vercel-ai/src/index.ts

@@ -68,7 +68,7 @@ async function main() {
     // Call the model and track metrics for the ai config
     const result = await aiConfig.tracker.trackMetricsOf(
       VercelProvider.getAIMetricsFromResponse,
-      () => generateText(vercelConfig),
+      () => generateText({ ...vercelConfig, messages: vercelConfig.messages ?? [] }),
     );
 
     console.log('Response:', result.text);
@@ -92,7 +92,7 @@ async function main() {
 
     // Stream is returned immediately (synchronously), metrics tracked in background
     const streamResult = aiConfig.tracker.trackStreamMetricsOf(
-      () => streamText(vercelConfig),
+      () => streamText({ ...vercelConfig, messages: vercelConfig.messages ?? [] }),
       VercelProvider.getAIMetricsFromStream,
     );