Adding Changelog

Author: Nisarg38

CHANGELOG.md

@@ -2,6 +2,70 @@
 
 ## [0.1.16] - 2025-09-21
 
+### 🚀 **Major Development Infrastructure & Documentation Overhaul**
+
+This release significantly enhances the development workflow, documentation infrastructure, and project maintainability with comprehensive tooling and automation improvements.
+
+### Added
+
+#### **Development Infrastructure & Automation**
+- **Comprehensive Makefile**: Added extensive development commands covering installation, testing, code quality, security auditing, documentation generation, build/release, environment management, Git helpers, Docker targets, and debugging utilities
+- **Pre-commit Hooks Suite**: Implemented comprehensive pre-commit configuration with hooks for:
+  - Code formatting (Black), import sorting (isort), linting (flake8)
+  - Type checking (mypy), docstring style (pydocstyle)  
+  - Security scanning (bandit, safety), dependency security scanning
+  - Code complexity checking, spelling, YAML/Markdown formatting
+  - Python issue detection and requirements file validation
+- **Flake8 Configuration**: Added standardized linting rules with specific ignores for certain files
+- **Dependabot Integration**: Automated dependency updates with scheduled maintenance, reviewers, commit message prefixes, and organized dependency groups
+
+#### **CI/CD Pipeline Enhancements**
+- **Expanded Testing Matrix**: Extended CI to support more Python versions (3.9-3.13) and operating systems (Ubuntu, Windows, macOS)
+- **Concurrency Management**: Added concurrency settings to optimize CI resource usage
+- **Performance & Integration Testing**: Dedicated CI jobs for performance benchmarks and integration testing
+- **Enhanced Workflow**: Updated setup-python action, added comprehensive status checks, and final job status verification
+
+#### **Documentation Infrastructure**
+- **Complete Documentation Suite**: Comprehensive Sphinx-based documentation including:
+  - **API Reference**: Full API documentation with detailed class and method references
+  - **Installation Guide**: Multi-environment installation instructions with troubleshooting
+  - **Quick Start Guide**: Step-by-step getting started tutorial with practical examples
+  - **User Guide**: Comprehensive guide covering project structure, advanced features, and best practices
+- **Custom Styling**: Enhanced documentation appearance with custom CSS for improved readability, code block styling, API documentation spacing, and professional theming
+- **Sphinx Configuration**: Complete Sphinx setup with extensions, themes, and output configurations for HTML, LaTeX, and other formats
+
+#### **Project Standards & Guidelines**
+- **Contributing Guidelines**: Comprehensive CONTRIBUTING.md with development setup, code standards, testing practices, security guidelines, and pull request processes
+- **AI Agent Coding Directives**: Established coding standards for clarity, readability, modularity, organization, documentation, testing, and data structure best practices
+
+#### **Enhanced Logging System**
+- **Structured Logging**: Upgraded logging module with JSON output support, configurable log levels, multiple output formats, context injection, and performance monitoring capabilities
+
+### Changed
+- **Version Update**: Bumped version from 0.1.15 to 0.1.16 across all configuration files
+- **Development Dependencies**: Expanded pyproject.toml with comprehensive tooling dependencies for testing, linting, documentation, security, and code analysis
+- **Documentation Structure**: Reorganized and enhanced documentation hierarchy with improved navigation and content organization
+
+### Technical Improvements
+- **Code Quality Enforcement**: Automated code quality checks through pre-commit hooks and CI pipeline
+- **Security Posture**: Enhanced security scanning with bandit, safety, and dependency vulnerability detection
+- **Development Experience**: Streamlined development workflow with Makefile targets and automated tooling
+- **Documentation Generation**: Automated documentation building and publishing pipeline
+- **Testing Infrastructure**: Improved test coverage tracking and performance monitoring
+- **Dependency Management**: Automated dependency updates and security vulnerability monitoring
+
+### Developer Experience Enhancements
+- **Simplified Workflow**: One-command setup and development operations through Makefile
+- **Comprehensive Tooling**: Integrated code formatting, linting, type checking, and security scanning
+- **Enhanced Documentation**: Professional-grade documentation with API references and guides
+- **Automated Quality Checks**: Pre-commit hooks ensure code quality before commits
+- **Multi-environment Support**: Consistent development experience across different platforms
+
+### Infrastructure & Maintenance
+- **Automated Updates**: Dependabot configuration for seamless dependency management
+- **Quality Metrics**: Integrated code coverage, complexity analysis, and performance benchmarks
+- **Cross-platform Compatibility**: Enhanced CI testing across multiple Python versions and operating systems
+- **Security Scanning**: Comprehensive security analysis and vulnerability detection
 
 
 ## [0.1.15] - 2025-09-10