Routes to the settings workflow which handles:
- Config existence ensuring
- Current settings reading and parsing
- Interactive 5-question prompt (model, research, plan_check, verifier, branching)
- Config merging and writing
- Confirmation display with quick command references
The workflow handles all logic including:
- Config file creation with defaults if missing
- Current config reading
- Interactive settings presentation with pre-selection
- Answer parsing and config merging
- File writing
- Confirmation display