- text mode: only outputs final assistant message text (default)
- json mode: streams all events as JSON (same as session manager writes)
- rpc mode: JSON output + listens for JSON input on stdin for headless operation
- Suppress informational messages in json/rpc modes
- Remove code fences (```) from read output - show raw content
- Show first 10 lines instead of 5 for read
- Only show line count for write if > 10 lines
- Remove indentation from read output
- Cleaner, more minimal tool output display