[lviobio]

Adds OpenCode alongside Claude, Codex and Gemini, with OpenCode Console (Zen) authentication.

• Install the latest OpenCode 2.x and configure instructions, shared skills, MCP servers and automatic permissions.
• Support Console OAuth and service-account API keys under the zen provider. Select the default model from the catalog while preserving user preferences and supported reasoning variants.
• Share multiple accounts across a user's workers, synchronize credential changes and resets, and preserve sessions across rebuilds. Exclude credentials from worker exports.
• Add OpenCode to account settings, environments, init scripts and Usage. Show connection status separately from unavailable usage statistics.
• Fix browser terminal colors, mouse controls, Escape, keyboard shortcuts with non-Latin layouts, clipboard access, wrapped links and initial text alignment.

Validation:

• 19 unit tests passed, including native OpenCode integration.
• 8 OpenCode API tests passed.
• Browser checks passed for keyboard and mouse controls, clipboard, wrapped links and text alignment.
• Type checking passed.