3ee519c7b0
- Remove mandatory model requirement from plugin initialization - Allow OpenCode to use its built-in model fallback when user doesn't specify - Update model-resolver to handle undefined systemDefaultModel - Remove throw errors in config-handler, utils, atlas, delegate-task - Add tests for optional model scenarios Closes #1129 Co-authored-by: justsisyphus <justsisyphus@users.noreply.github.com>