* fix: Notification hook works weirdly for subagent sessions
- Added mainSessionID check to prevent notifications in subagent sessions
- Only trigger notifications for main session when waiting for user input
- Added comprehensive tests to validate the fix
Issue: https://github.com/code-yeongyu/oh-my-opencode/issues/92
* chore: changes by sisyphus-dev-ai
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Co-authored-by: codingsh <codingsh@pm.me>
Co-authored-by: sisyphus-dev-ai <sisyphus-dev-ai@users.noreply.github.com>
