chore: Initialize Miyabi project with full planning

- Add .claude/ configuration (agents, commands, prompts, templates) - Add comprehensive documentation: - WBS.md - Work Breakdown Structure - SPRINT_PLANNING.md - 4-sprint detailed plan - OPERATION_PLAN.md - Execution procedures - PRODUCT_SPEC.md - Product requirements - PREPARATION_OPS.md - Pre-sprint checklist - Add PlantUML diagrams (wbs-diagram, gantt-chart) - Configure Miyabi (.miyabi.yml) - Set up Rust workspace structure 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
2025-11-22 17:45:08 +09:00 · 2025-11-22 17:45:08 +09:00 · 00d5d4d4e9
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+# Miyabi CLI - Development Goals
+
+## Reference Projects
+
+### Baseline
+- **Codex CLI**: https://github.com/openai/codex.git
+
+### Extension Source
+- **Miyabi Private**: /Users/shunsuke/dev/01-miyabi/_core/miyabi-private
+
+---
+
+## Mission
+**Codex CLI同等の品質を持つ、Production-Ready Miyabi CLIを構築する**
+
+---
+
+## Gap Analysis Summary
+
+| Metric | Codex CLI | Current Miyabi | Target |
+|--------|-----------|----------------|--------|
+| Total Lines | 20,969 | 1,200 | 15,000+ |
+| Files | 50+ | 10 | 40+ |
+| Features | Complete | Basic | Full Parity |
+
+---
+
+## Phase 1: Core TUI Foundation ✅ COMPLETED
+**Status**: Done (1,200 lines)
+
+- [x] Cargo workspace setup
+- [x] wrapping.rs - Text wrapping with textwrap
+- [x] history_cell.rs - Card design UI
+- [x] markdown_render.rs - Basic markdown
+- [x] app.rs - Main TUI loop
+- [x] event.rs - Event handling
+
+---
+
+## Phase 2: Advanced Text Rendering 🔄 IN PROGRESS
+**Target**: +1,500 lines
+
+### 2.1 markdown_stream.rs (690 lines)
+- [ ] Streaming markdown rendering
+- [ ] Progressive display during generation
+- [ ] Cursor position tracking
+- [ ] Partial code block handling
+
+### 2.2 diff_render.rs (715 lines)
+- [ ] Git diff visualization
+- [ ] Syntax highlighting for diffs
+- [ ] Line number display
+- [ ] Add/Remove/Change indicators
+
+---
+
+## Phase 3: Chat Composer Separation
+**Target**: +4,000 lines
+
+### 3.1 chat_composer.rs (3,938 lines)
+- [ ] Separate input handling from main app
+- [ ] Multi-line input support
+- [ ] Command history
+- [ ] Auto-completion
+- [ ] Syntax highlighting in input
+
+### 3.2 textarea.rs (2,213 lines)
+- [ ] Full-featured text area widget
+- [ ] Selection support
+- [ ] Copy/paste
+- [ ] Undo/redo
+
+---
+
+## Phase 4: Approval & Feedback
+**Target**: +1,500 lines
+
+### 4.1 approval_overlay.rs (656 lines)
+- [ ] Tool execution approval UI
+- [ ] Y/N/Always/Never options
+- [ ] Risk level display
+- [ ] Preview of changes
+
+### 4.2 feedback_view.rs (555 lines)
+- [ ] User feedback collection
+- [ ] Rating system
+- [ ] Comment input
+
+---
+
+## Phase 5: Advanced Navigation
+**Target**: +2,500 lines
+
+### 5.1 resume_picker.rs (1,580 lines)
+- [ ] Session resume selection
+- [ ] Conversation history browser
+- [ ] Search functionality
+- [ ] Preview pane
+
+### 5.2 pager_overlay.rs (913 lines)
+- [ ] Full-screen content viewer
+- [ ] Scroll and search
+- [ ] Jump to line
+- [ ] Keyboard shortcuts
+
+---
+
+## Phase 6: LLM Integration
+**Target**: +2,000 lines
+
+### 6.1 Claude API Integration
+- [ ] Anthropic API client
+- [ ] Streaming responses
+- [ ] Token counting
+- [ ] Rate limiting
+- [ ] Error handling
+
+### 6.2 Conversation Management
+- [ ] Context window management
+- [ ] Message history
+- [ ] System prompts
+- [ ] Tool definitions
+
+---
+
+## Phase 7: Tool Execution
+**Target**: +2,500 lines
+
+### 7.1 A2A Bridge Integration
+- [ ] Tool registry
+- [ ] Execution engine
+- [ ] Result formatting
+- [ ] Error recovery
+
+### 7.2 Built-in Tools
+- [ ] File operations (Read, Write, Edit)
+- [ ] Bash execution
+- [ ] Search (Glob, Grep)
+- [ ] Web fetch
+
+---
+
+## Success Criteria
+
+### Functional Requirements
+- [ ] Real Claude API conversations
+- [ ] Tool execution with approval
+- [ ] Session persistence and resume
+- [ ] Markdown rendering with streaming
+- [ ] Full keyboard navigation
+
+### Quality Requirements
+- [ ] 15,000+ lines of code
+- [ ] 90%+ test coverage
+- [ ] < 100ms response latency
+- [ ] Memory efficient (< 100MB)
+- [ ] Cross-platform (macOS, Linux)
+
+### User Experience
+- [ ] Intuitive keyboard shortcuts
+- [ ] Clear visual feedback
+- [ ] Smooth scrolling
+- [ ] Proper error messages
+- [ ] Help system
+
+---
+
+## Timeline
+
+| Phase | Duration | Deliverable |
+|-------|----------|-------------|
+| Phase 1 | ✅ Done | Core TUI |
+| Phase 2 | 1 week | Streaming Markdown |
+| Phase 3 | 2 weeks | Chat Composer |
+| Phase 4 | 1 week | Approval System |
+| Phase 5 | 1 week | Navigation |
+| Phase 6 | 2 weeks | LLM Integration |
+| Phase 7 | 2 weeks | Tool Execution |
+
+**Total**: ~10 weeks to Production-Ready
+
+---
+
+## Next Action
+
+**Phase 2.1: Implement markdown_stream.rs**
+
+Create streaming markdown renderer that can display partial content during LLM generation.