- Add --context-lines (-c) flag to control preview context display
- Add context_lines option to .shush.toml configuration
- Implement lazy-git style preview with context lines around changes
- Add intelligent truncation with "..." markers for distant changes
- Improve context line colors from dark gray to light for better visibility on dark terminals
- Support both regular and git-aware preview modes
- Default to 3 context lines, configurable via flag or config file
- Use -c 0 to show only changed lines (original behavior)