[fjenn]

Summary

• support the OpenCode 2.x CLI package, prompt, telemetry, and artifact layouts while preserving 1.x support
• disable OTLP exporters from packages/util and handle static and dynamic Sentry imports
• discover the latest upstream release through the @opencode/cli npm package
• add OpenCode 2.x regression coverage and update the documentation

Verification

• 4 patcher tests and 65 assertions passed
• Prettier, YAML parsing, and git diff --check passed
• Core, CLI, Util, and App type checks passed
• macOS ARM64 OpenCode 2.2.5 release build passed
• CLI version/startup smoke tests passed
• Runtime telemetry probe received zero requests

Only macOS ARM64 was built locally. The remaining platforms and desktop builds should be verified by CI before merge.