- Make parse_config_root() public for reuse in main.rs
- Add get_rules_path() helper to extract and resolve rules path from config
- Update main CLI to use configured rules path for default rule execution
- Add run_with_rules_path() method to RulesCli for custom path support
- Update all unit tests to include rules_dir field
- Rules path now supports h:, c:, r: prefixes throughout the application
- Add get_rules_from(path) function that accepts optional custom path
- Keep get_rules() as backward-compatible wrapper
- Automatically create and save default rules to custom path if not found
- Apply cargo fmt to ensure consistent code formatting across CLI modules
- Fix trailing whitespace in documentation comments
- Optimize comment formatting and indentation
- All clippy checks pass with no warnings
- Documentation generates cleanly with strict nightly flags
- All tests continue to pass after formatting changes
- Add extensive module-level documentation explaining rule-based message management
- Document complete rule configuration and execution workflow
- Include comprehensive TOML configuration examples with retention periods
- Add detailed safety features and error handling documentation
- Document subcommand architecture and delegation patterns
- Include practical usage examples for configuration and execution
- Add comprehensive method documentation with operation flows and side effects
- Document automatic configuration fallback and validation systems
