v0.27.0

Highlights

• Updated Codex, Claude, and Gemini adapter compatibility for the 0.27.0 release.
• Set Codex default model to gpt-5.5.
• Removed the legacy protocol server workspace.
• Added an OpenCode adapter implementation plan.
• Refreshed README examples and stabilized provider-heavy example tests.

Validation

• pnpm run build passed.
• pnpm run test passed.
• pnpm run smoke passed.
• pnpm run lint is still blocked by the existing missing ESLint setup.