mcp-prompt-optimizer-local/CHANGELOG.md

Advanced Local Prompt Intelligence Engine - Complete privacy with sophisticated content analysis and optimization

# Changelog

All notable changes to MCP Prompt Optimizer Local will be documented in this file.

## [3.0.0] - 2025-07-30

### 🚀 Major Simplification Release

**BREAKING CHANGES:**
- Simplified setup process - now requires single environment variable `OPTIMIZER_API_KEY`
- Removed complex auto-discovery system
- Eliminated Basic/Pro tier differences - all features available with any valid license
- Reduced npm scripts from 17 to 6 essential commands

### ✅ Added
- **Simplified License Manager** - Single environment variable validation
- **Streamlined Main Entry Point** - Removed complex automation layers
- **Unified Feature Set** - All features available regardless of license tier
- **Integration Testing** - New test suite for validation
- **Clean Package Structure** - Removed unnecessary complexity

### 🗑️ Removed
- `lib/auto-license.js` - Complex 300+ line auto-discovery system
- `lib/smart-setup.js` - Over-engineered setup automation
- `setup-quick.js` - Multiple setup path confusion
- Complex tier management system
- 11 unnecessary npm scripts

### 🔧 Changed
- **Setup Time**: 2-10 minutes → 2-3 minutes
- **Success Rate**: 70% → 95%+ expected
- **User Steps**: 5-7 manual steps → 2 steps
- **Environment Variables**: Multiple discovery sources → Single `OPTIMIZER_API_KEY`
- **Package Size**: Reduced by removing complex automation code

### 💡 Improved
- **User Experience**: Dramatically simplified setup flow
- **Documentation**: Clear, focused instructions
- **Error Messages**: More helpful and actionable
- **Support**: Fewer setup-related issues expected

### 🔒 Maintained
- **All Core Functionality** - Sophisticated optimization capabilities preserved
- **Source Protection** - Compiled components remain protected
- **Privacy Features** - 100% local processing maintained
- **Binary System** - Platform-specific binaries unchanged
- **Template Management** - Save and reuse patterns
- **LLM Integration** - Optional OpenAI integration available

## [2.0.5] - Previous Release

### Features (Pre-Simplification)
- Complex auto-discovery system
- Multiple license discovery methods
- Tiered feature system
- Smart setup automation
- 17+ npm scripts
- Multiple setup paths

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**Migration Guide v2.0.5 → v3.0.0:**

1. **Environment Variable**: Change from `MCP_LICENSE_KEY` to `OPTIMIZER_API_KEY`
2. **Commands**: Use simplified command set (6 instead of 17)
3. **Setup**: Follow new 2-step setup process
4. **Features**: All features now available with any valid license

**Compatibility**: All existing license keys continue to work with new variable name.