#436 feat: add Sentry error tracking to all Next.js apps

• Add @sentry/nextjs to web, admin, api, docs, marketing apps
• Configure server, edge, and client-side error tracking
• Add global-error.tsx handlers for each app
• Set up /monitoring tunnel route for ad-blocker bypass
• Add Sentry env vars to CI/CD workflows
• Conditionally enable Sentry based on DSN availability
• Allow /monitoring and /ingest routes in proxy middleware

🤖 Generated with Claude Code

Co-Authored-By: Claude Opus 4.5 noreply@anthropic.com

Description

Related Issues

Type of Change

• Bug fix
• New feature
• Documentation
• Refactor
• Other (please describe):

Testing

Screenshots (if applicable)

Additional Notes

Summary by CodeRabbit

• New Features

  • Integrated error monitoring across all apps.
  • Added global error pages in each app.
  • Implemented performance monitoring with environment-aware tracing.
  • Enhanced error reporting with richer context and stack traces.

• Chores

  • Propagated monitoring-related environment configuration to deployment workflows and env examples.
  • Exposed a public monitoring route for runtime diagnostics.

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