feat: eager vLLM warmup and smart page titles in paginate stage

- Add warmup() to LlmProvider interface for eager subprocess startup
- ManagedVllmProvider.warmup() starts vLLM in background on project load
- ProviderRegistry.warmupAll() triggers all managed providers
- NamedProvider proxies warmup() to inner provider
- paginate stage generates LLM-powered descriptive page titles when
  available, cached by content hash, falls back to generic "Page N"
- project-mcp-endpoint calls warmupAll() on router creation so vLLM
  is loading while the session initializes

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/mcplocal/package.json

@@ -11,13 +11,15 @@
     "dev": "tsx watch src/index.ts",
     "start": "node dist/index.js",
     "test": "vitest",
-    "test:run": "vitest run"
+    "test:run": "vitest run",
+    "test:smoke": "vitest run --config vitest.smoke.config.ts"
   },
   "dependencies": {
     "@fastify/cors": "^10.0.0",
     "@mcpctl/shared": "workspace:*",
     "@modelcontextprotocol/sdk": "^1.0.0",
-    "fastify": "^5.0.0"
+    "fastify": "^5.0.0",
+    "yaml": "^2.8.2"
   },
   "devDependencies": {
     "@types/node": "^25.3.0"