fix(deploy): remove standalone output mode for Netlify compatibility

- Remove 'output: standalone' from next.config.ts
- Enhance outputFileTracingExcludes with build tool exclusions
- Fixes 250MB function size limit error on Netlify
- Allows @netlify/plugin-nextjs to properly externalize dependencies

Resolves deployment error: 'function exceeds maximum size of 250 MB'

Author: apex-ai-net