* chore: Exclude CLAUDE.md from Cargo.toml
* feat: add callgraph module and integrate into main analysis flow
* feat: enhance CLI with new severity filtering and analysis modes
* feat: update CHANGELOG with recent enhancements and fixes to severity filtering and output handling
* feat: implement state-model dataflow analysis for resource lifecycle and auth state
* feat: enhance diagnostic output formatting and add evidence structure
* feat: implement attack surface ranking for diagnostics with scoring and sorting
* feat: add comprehensive documentation for installation, usage, and rules reference
* feat: add multiple language support for command execution and evaluation endpoints
* feat: implement inline suppression for findings using `nyx:ignore` comments
* feat: add confidence levels to AST patterns and update output structure
* feat: implement low-noise prioritization system with category filtering, rollup grouping, and configurable budgets
* feat: bump version to 0.4.0 and update changelog with new features and improvements
* feat: add dead code allowances to various functions in mod.rs and real_world_tests.rs
- Standardized spacing and indentation across multiple modules for improved readability.
- Reorganized `patterns` and `utils` imports for consistency.
- Updated `NyxError` and `NyxResult` related implementations to maintain consistent formatting.
- Enhanced readability in AST patterns for better clarity and maintainability.
- Added `tree-sitter-ruby` dependency to `Cargo.toml` and `Cargo.lock`.
- Introduced `patterns/ruby.rs` with Ruby-specific AST patterns for vulnerability detection.
- Updated `patterns/mod.rs` and `ast.rs` to support Ruby AST parsing and pattern registry initialization.