Google Docs MCP Server

# Implementation Plan - [x] 1. Create core interfaces and types for document analysis - Define DocumentStructure, DocumentElement, and InsertionPoint interfaces - Create IDocumentAnalyzer and IInsertionStrategy interfaces - Add error types for document analysis and insertion operations - _Requirements: 1.1, 5.1, 5.2_ - [ ] 2. Implement document structure analyzer - Create DocumentAnalyzer class that parses Google Docs API responses - Implement methods to extract headings, sections, and content elements - Add logic to calculate element positions and indices - Write unit tests for document parsing with various document structures - _Requirements: 1.1, 3.2_ - [ ] 3. Create insertion strategy base infrastructure - Implement base InsertionStrategy abstract class - Create StrategyRegistry for managing available strategies - Add strategy configuration validation logic - Write unit tests for strategy registration and validation - _Requirements: 2.1, 5.1, 5.2_ - [ ] 4. Implement heading-based insertion strategy - Create HeadingBasedStrategy class with heading detection logic - Add support for heading text matching, level matching, and pattern matching - Implement position logic (before/after/under headings) - Write unit tests for various heading scenarios and edge cases - _Requirements: 2.2_ - [ ] 5. Implement pattern-based insertion strategy - Create PatternBasedStrategy class with text pattern matching - Add support for regex patterns and case sensitivity options - Implement relative positioning (before/after pattern matches) - Write unit tests for pattern matching and positioning logic - _Requirements: 2.4_ - [ ] 6. Create fallback strategy and error handling - Implement FallbackStrategy for when primary strategies fail - Add configurable fallback behaviors (end, beginning, error) - Implement duplicate content detection logic - Write unit tests for fallback scenarios and duplicate detection - _Requirements: 3.1, 3.3_ - [ ] 7. Implement preview functionality - Create PreviewGenerator class for insertion point preview - Add context extraction around proposed insertion points - Implement confidence scoring for insertion points - Write unit tests for preview generation and context extraction - _Requirements: 4.1, 4.2, 4.3_ - [ ] 8. Create enhanced MCP tool for intelligent insertion - Extend BaseMcpTool to create IntelligentInsertionTool - Implement tool schema with strategy configuration options - Add preview mode support and result formatting - Write integration tests for the complete tool workflow - _Requirements: 1.1, 2.1, 4.1_ - [ ] 9. Integrate with existing Google Docs service - Extend IGoogleDocsService interface with intelligent insertion methods - Modify GoogleDocsService to support the new insertion functionality - Add proper error handling and logging for insertion operations - Write integration tests with actual Google Docs API calls - _Requirements: 1.3, 6.1, 6.2_ - [ ] 10. Implement section-based insertion strategy - Create SectionBasedStrategy class with section detection logic - Add support for section name matching and position within sections - Implement section boundary detection and content insertion - Write unit tests for section-based insertion scenarios - _Requirements: 2.3_ - [ ] 11. Add comprehensive logging and error reporting - Implement detailed logging for document analysis and insertion operations - Add structured error messages with troubleshooting information - Create logging for strategy selection and execution results - Write tests to verify logging output and error message quality - _Requirements: 6.1, 6.2, 6.3_ - [ ] 12. Register new tool and update tool registry - Add IntelligentInsertionTool to the MCP tool registry - Update tool registration logic to include the new tool - Ensure proper tool initialization and dependency injection - Write integration tests to verify tool registration and availability - _Requirements: 1.1, 5.1_