📝 Update llms_project_context.txt with King move generation progress

- Update completed components to include King moves
- Update test suite status to include King tests
- Update Move Generation Status to reflect King implementation
- Update Phase 2 progress to 90%
- Update next priority to Issue #6 (Queen)
- Update file structure to show King moves implemented

Author: jane-alesi

llms_project_context.txt

@@ -27,15 +27,15 @@
 - **Core Infrastructure**: Board.js, Piece.js (ES2022 private fields), Game.js, GameState.js
 - **UI Foundation**: BoardRenderer.js, InputHandler.js, styles.css
 - **Utilities**: Constants.js with comprehensive piece definitions and helper functions
-- **Move Generation**: **Pawn, Rook, Bishop, and Knight moves fully implemented** (Issues #4, #2, #1, #9 ✅)
+- **Move Generation**: **Pawn, Rook, Bishop, Knight, and King moves fully implemented** (Issues #4, #2, #1, #9, #7 ✅)
 - **Testing Framework**: Jest configuration with ES module support
 - **Security**: Comprehensive dependency security fixes and npm overrides
 - **Automated Linting**: Fully synchronized auto-linting/formatting pipeline (ESLint + Prettier) (Issue #19 ✅)
 - **📋 DOCUMENTATION PHASE COMPLETE**: Professional README.md with comprehensive project documentation (Issues #35-#38 ✅)
 
 ### **🧪 Test Suite Status**
 - **All tests passing** ✅
-- **Comprehensive pawn, rook, bishop, and knight move generation tests** with edge cases
+- **Comprehensive pawn, rook, bishop, knight, and king move generation tests** with edge cases
 - **Jest configuration modernized** for Node.js compatibility
 - **Test compatibility verified** with ES2022 private fields
 
@@ -96,7 +96,7 @@ const currentSHA = fileData.sha;
 await create_or_update_file(owner, repo, path, content, message, branch, currentSHA);
 
 // ❌ INCORRECT: Missing SHA causes error
-// Error: MCP plugin run error: Failed to call tool: {"error":"Failed to call tool","details":"MCP error -32603: failed to create/update file: PUT https://api.github.com/repos/jane-alesi/js-chess-engine/contents/FILE_TO_UPDATE: 422 Invalid request.\\\\n\\\\n\\\\\\"sha\\\\\\" wasn't supplied. []"}
+// Error: MCP plugin run error: Failed to call tool: {"error":"Failed to call tool","details":"MCP error -32603: failed to create/update file: PUT https://api.github.com/repos/jane-alesi/js-chess-engine/contents/FILE_TO_UPDATE: 422 Invalid request.\\\\n\\\\n\\\\\\\"sha\\\\\\\" wasn't supplied. []"}
 ```
 
 **Update Workflow:**
@@ -235,7 +235,7 @@ src/
 │   ├── Piece.js              # ✅ Implemented (ES2022 private fields)
 │   ├── Game.js               # ✅ Implemented
 │   ├── GameState.js          # ✅ Implemented
-│   ├── MoveGenerator.js      # 🔄 Pawn, Rook, Bishop, Knight moves implemented, others TODO
+│   ├── MoveGenerator.js      # 🔄 Pawn, Rook, Bishop, Knight, King moves implemented, others TODO
 │   ├── MoveValidator.js      # ✅ Basic implementation
 │   └── Rules.js              # ✅ Basic implementation
 ├── ui/            # User interface (InputHandler, BoardRenderer)
@@ -319,8 +319,8 @@ tests/
 - **✅ Rook Moves**: Fully implemented with comprehensive testing
 - **✅ Bishop Moves**: Fully implemented with comprehensive testing
 - **✅ Knight Moves**: Fully implemented with comprehensive testing
-- **🔄 Other Pieces**: TODO (Issues #7, #6)
-  - King moves (Issue #7) - **NEXT PRIORITY**
+- **✅ King Moves**: Fully implemented with comprehensive testing
+- **🔄 Other Pieces**: TODO (Issue #6)
   - Queen moves (Issue #6) - Combines Rook + Bishop
 
 ### **AI Integration**
@@ -342,11 +342,7 @@ tests/
 ### **🎯 IMMEDIATE PRIORITY: Phase 2 - Core Move Generation**
 **Status**: Documentation Phase Complete ✅ → Now in Core Logic Phase
 
-1. **Issue #7**: Implement King Pseudo-Legal Move Generation (**RECOMMENDED NEXT**)
-   - Single-square movement patterns
-   - Foundation for castling rules
-
-2. **Issue #6**: Implement Queen Pseudo-Legal Move Generation
+1. **Issue #6**: Implement Queen Pseudo-Legal Move Generation (**RECOMMENDED NEXT**)
    - Combines Rook and Bishop patterns
    - Most powerful piece implementation
 
@@ -364,7 +360,7 @@ tests/
 
 ### **📊 Current Progress Summary**
 - **Phase 1 (Documentation)**: ✅ **100% COMPLETE** (Issues #35-#38)
-- **Phase 2 (Core Logic)**: 🔄 **80% COMPLETE** (Pawn, Rook, Bishop, Knight moves done, 1 piece remaining)
+- **Phase 2 (Core Logic)**: 🔄 **90% COMPLETE** (Pawn, Rook, Bishop, Knight, King moves done, 1 piece remaining)
 - **Phase 3 (Game Rules)**: 📅 **0% COMPLETE** (Awaiting Phase 2)
 - **Phase 4 (AI & Advanced)**: 📅 **0% COMPLETE** (Future implementation)