fix(tsconfig): exclude ops-agent from Next.js TypeScript check

ops-agent has its own separate tsconfig and dependencies (fastify, js-yaml)
that are not installed in the root node_modules.

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

tsconfig.json

@@ -30,5 +30,5 @@
     ".next/dev/types/**/*.ts",
     "**/*.mts"
   ],
-  "exclude": ["node_modules"]
+  "exclude": ["node_modules", "ops-agent"]
 }