feat: add automated Vercel AI registry sync with OpenAI

Add hourly GitHub Action that syncs tools from Vercel's AI SDK registry:

Features:
- Fetches Vercel AI registry from their GitHub
- Uses OpenAI GPT-4 to intelligently convert tool metadata
- Handles multi-export packages (multiple tools per npm package)
- Automatically commits new tools to manual-tools.ts
- Sends Discord notifications with detailed stats
- Extensive logging at every step

Files added:
- sync-vercel-registry.ts - Main sync script with AI conversion
- .github/workflows/sync-vercel-registry.yml - Hourly GitHub Action
- docs/vercel-registry-sync.md - Complete documentation

Requires OPENAI_API_KEY secret in GitHub repository settings.

pnpm-lock.yaml

@@ -29,6 +29,9 @@ importers:
       lefthook:
         specifier: ^1.10.1
         version: 1.13.6
+      openai:
+        specifier: ^6.9.1
+        version: 6.9.1(ws@8.18.3)(zod@4.1.13)
       tsx:
         specifier: ^4.21.0
         version: 4.21.0
@@ -50,6 +53,9 @@ importers:
       '@ai-sdk/react':
         specifier: 3.0.0-beta.131
         version: 3.0.0-beta.131(effect@3.18.4)(react@19.2.0)(zod@4.1.13)
+      '@tpmjs/db':
+        specifier: workspace:*
+        version: link:../../packages/db
       '@tpmjs/env':
         specifier: workspace:*
         version: link:../../packages/env