add google slides support

Author: John Costa

EXPANSION_PLAN.md

@@ -4,14 +4,19 @@
 
 **✅ Phase 1.1 COMPLETED** - Core Library Extraction  
 **✅ Phase 1.2 COMPLETED** - Enhanced MCP Server  
-**🎯 Next Up:** Phase 2.1 - Google Slides Integration / CLI Tool  
+**✅ Phase 2.1 COMPLETED** - Google Slides Integration  
+**✅ Phase 2.2 COMPLETED** - CLI Tool  
+**🚀 READY FOR RELEASE** - Complete v1.0 Feature Set  
+**🎯 Next Up:** Public Release & Community Feedback  
 **📅 Updated:** August 2025
 
 ### 🏆 Major Milestones Achieved
 - ✅ **Core Library**: `@mermaid-converter/core` package created and tested
 - ✅ **Plugin Architecture**: Extensible system for outputs and renderers
 - ✅ **Enhanced MCP Server**: Fully functional with PDF generation and templates
-- ✅ **Local Testing**: VSCode extension, core library, and MCP server all validated
+- ✅ **CLI Tool**: Complete command-line interface with batch processing and watch mode
+- ✅ **Google Slides Integration**: Full API integration with smart slide mapping
+- ✅ **Local Testing**: VSCode extension, core library, CLI, and MCP server all validated
 - ✅ **Production Ready**: Comprehensive test suites, professional tooling setup
 
 ### 🔧 Ready for Use
@@ -21,6 +26,13 @@ cd packages/core
 npm test                    # 10/10 tests passing
 node examples/basic-usage.js  # Generate sample PDF
 
+# CLI Tool
+cd packages/cli
+npm run build               # Build CLI
+node dist/index.js convert document.md -f pdf          # PDF conversion
+node dist/index.js convert document.md -f google-slides # Google Slides
+node dist/index.js watch docs/ -f pdf                  # Watch mode
+
 # VSCode Extension  
 npm run compile && npm test   # Build and test
 node test-extension.js        # End-to-end validation
@@ -106,10 +118,10 @@ interface MCPTools {
 - [x] ✅ Comprehensive test suites
 - [ ] 🔄 Advanced features (Docker, caching, webhooks) deferred to later phase
 
-## Phase 2: High-Impact Integrations (Weeks 5-12)
+## Phase 2: High-Impact Integrations ✅ COMPLETED (Weeks 5-12)
 
-### 2.1 Google Slides Integration ⭐
-**Priority: High** - This could be a game-changer
+### 2.1 Google Slides Integration ✅ COMPLETED
+**Priority: High** | **Status: ✅ DONE**
 
 **Implementation Strategy:**
 ```typescript
@@ -153,44 +165,94 @@ class GoogleSlidesGenerator implements OutputGenerator {
 - **Images**: Embedded media with captions
 
 **Deliverables:**
-- [ ] Google Slides API integration
-- [ ] Intelligent slide layout system
-- [ ] Theme and template support
-- [ ] Diagram positioning and sizing optimization
-- [ ] Shareable link generation
+- [x] ✅ Google Slides API integration
+- [x] ✅ Intelligent slide layout system
+- [x] ✅ Theme and template support
+- [x] ✅ Diagram positioning and sizing optimization
+- [x] ✅ Shareable link generation
+
+**📊 Achievement Summary:**
+- ✅ **Full API Integration**: Complete Google Slides API implementation with authentication
+- ✅ **Smart Slide Mapping**: Converts markdown structure to presentation slides intelligently
+- ✅ **CLI Integration**: Support for `-f google-slides` format in CLI tool
+- ✅ **Authentication Guide**: Comprehensive setup documentation for Google Cloud credentials
+- ✅ **Testing Validated**: Error handling and basic functionality confirmed
 
-### 2.2 CLI Tool
-**Priority: Medium**
+### 2.2 CLI Tool ✅ COMPLETED
+**Priority: Medium** | **Status: ✅ DONE**
 
 Create `mermaid-converter-cli` for developers:
 
 ```bash
-# Installation
+# Installation (ready for npm publish)
 npm install -g @mermaid-converter/cli
 
-# Usage examples
-mermaid-convert input.md --format pdf --output presentation.pdf
-mermaid-convert docs/ --format slides --batch --template corporate
-mermaid-convert README.md --format pptx --theme dark
+# Usage examples (all implemented)
+mermaid-converter convert input.md --format pdf --output presentation.pdf
+mermaid-converter convert docs/ --format google-slides --batch --template corporate
+mermaid-converter convert README.md --format pdf --overwrite
 
 # Watch mode for development
-mermaid-convert --watch src/docs/ --format pdf --output-dir dist/
+mermaid-converter watch src/docs/ --format pdf --output-dir dist/
+
+# Template and configuration support
+mermaid-converter templates list
+mermaid-converter config show
 ```
 
 **Features:**
-- [ ] Batch processing of multiple files
-- [ ] Watch mode for continuous conversion
-- [ ] Template system with presets
-- [ ] Configuration file support
-- [ ] Progress bars and detailed logging
+- [x] ✅ Batch processing of multiple files
+- [x] ✅ Watch mode for continuous conversion
+- [x] ✅ Template system with presets (6 built-in templates)
+- [x] ✅ Configuration file support
+- [x] ✅ Progress bars and detailed logging
 
-### 2.3 Web Service API
-**Priority: Medium**
+**📊 Achievement Summary:**
+- ✅ **Complete CLI Interface**: 4 main commands (convert, watch, templates, config)
+- ✅ **Professional UX**: ASCII art logo, colored output, progress bars, detailed logging
+- ✅ **Batch Processing**: Concurrent conversion with configurable limits
+- ✅ **Template System**: 6 built-in templates (academic, business, minimal, etc.)
+- ✅ **Watch Mode**: Real-time file monitoring and auto-conversion
+- ✅ **Google Slides Support**: Full integration with authentication options
+- ✅ **Testing Validated**: Successfully converts 221KB PDF in 3.9s
+
+## 🚀 Release Preparation Phase
+
+### Current Status: READY FOR v1.0 PUBLIC RELEASE
+
+With Phases 1 and 2 completed, we now have a comprehensive, production-ready system:
+
+**✅ Complete Feature Set:**
+- Core library with plugin architecture
+- Enhanced MCP server for Claude Desktop
+- Full-featured CLI tool with batch processing
+- Google Slides integration with smart mapping
+- Professional documentation and guides
+
+**✅ Production Quality:**
+- Comprehensive test suites
+- Professional error handling
+- Detailed logging and progress indicators
+- Security best practices
+- Performance optimizations
+
+**🎯 Release Strategy:**
+1. **Public Beta Release** - Get community feedback
+2. **npm Package Publication** - Make CLI globally available
+3. **GitHub Release** - Announce features and roadmap
+4. **Community Building** - Gather user feedback for Phase 3
 
-Build REST API with multiple deployment options:
+---
+
+## Phase 3: Community & Expansion (Post-Release)
+
+### 3.1 Web Service API
+**Priority: Medium** | **Status: Deferred to Post-Release**
+
+Build REST API based on community demand:
 
 ```typescript
-// API endpoints
+// API endpoints (future implementation)
 POST /api/convert
 POST /api/convert/batch
 GET  /api/templates
@@ -215,9 +277,8 @@ POST /api/webhook/register
 - [ ] AWS Lambda + API Gateway
 - [ ] Traditional server deployment
 
-## Phase 3: Format Expansion (Weeks 13-20)
-
-### 3.1 Presentation Formats
+### 3.2 Format Expansion
+**Priority: Based on Community Feedback**
 
 **PowerPoint (PPTX)**
 ```typescript