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refactor: modularize CCS architecture - Phase 02 complete
Split monolithic ccs.ts (1071 lines) into modular command handlers: Main file reduction: - ccs.ts: 1071 → 593 lines (44.6% reduction) - Maintains routing logic + profile detection + GLMT proxy New utility modules: - src/utils/shell-executor.ts: Cross-platform shell execution - src/utils/package-manager-detector.ts: Package manager detection New command handlers: - src/commands/version-command.ts: Version display - src/commands/help-command.ts: Help text and usage - src/commands/install-command.ts: Install/uninstall stubs - src/commands/doctor-command.ts: Health checks - src/commands/sync-command.ts: CCS synchronization - src/commands/shell-completion-command.ts: Shell completion Validation: - 39/39 tests passing (100% success rate) - TypeScript compilation: ✅ Zero errors - ESLint: ✅ Zero violations - Manual testing: ✅ All commands working Code review: EXCELLENT rating, 0 critical issues, zero regressions Tier1 plan: 2/2 phases complete - both ESLint strictness and modular architecture successfully implemented.
This commit is contained in:
kaitranntt
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## Overview
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CCS (Claude Code Switch) v4.5.0 is a lightweight CLI wrapper enabling instant profile switching between Claude Sonnet 4.5, GLM 4.6, GLMT (GLM with Thinking), and Kimi for Coding models. Version 4.x introduces AI-powered delegation, selective .claude/ directory symlinking, stream-JSON output, and enhanced shell completion. v4.5.0 completes transition to Node.js-first architecture with bootstrap-based installers.
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CCS (Claude Code Switch) v4.5.0 is a lightweight CLI wrapper enabling instant profile switching between Claude Sonnet 4.5, GLM 4.6, GLMT (GLM with Thinking), and Kimi for Coding models. Version 4.x introduces AI-powered delegation, selective .claude/ directory symlinking, stream-JSON output, and enhanced shell completion. **Phase 02 (2025-11-27)** completes modular command architecture refactoring with 44.6% main file reduction. v4.5.0 completes transition to Node.js-first architecture with bootstrap-based installers.
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## Version Evolution
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### v4.5.0 Architecture (Current)
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- **Total LOC**: ~8,477 lines (JavaScript only)
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### v4.5.0 Architecture (Current, Phase 02 Complete)
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- **Total LOC**: ~8,477 lines (JavaScript/TypeScript)
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- **Main File**: src/ccs.ts - 593 lines (**44.6% reduction** from 1,071 lines)
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- **Key Features**: AI delegation, stream-JSON output, shell completion, doctor diagnostics, sync command
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- **New Components**: delegation/, utils/claude-symlink-manager.js, utils/delegation-validator.js, utils/update-checker.js
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- **Architecture**: Modular design with clear separation: auth/, delegation/, glmt/, management/, utils/
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- **Phase 02 Modular Commands**: 6 specialized command handlers (version, help, install, doctor, sync, shell-completion)
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- **New Components**: src/commands/, src/utils/shell-executor.ts, src/utils/package-manager-detector.ts
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- **Architecture**: Modular design with clear separation: auth/, delegation/, glmt/, management/, utils/, commands/, types/
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- **Installation**: Bootstrap-based native installers (requires Node.js 14+, no shell dependencies)
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### Evolution Summary
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- **v2.x**: Vault-based credential encryption (~1,700 LOC)
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- **v3.0**: Vault removal, login-per-profile (~1,100 LOC, 40% reduction)
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- **v4.0-4.4.x**: Delegation system, .claude/ sharing, stream-JSON (~8,477 LOC including tests/utils)
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- **v4.5.0**: Bootstrap-based installers, TypeScript npm package with quality gates
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- **Phase 02 (2025-11-27)**: Modular command architecture, main file 44.6% reduction
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- **v4.5.0**: Bootstrap-based installers, TypeScript npm package with quality gates + modular commands
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## Core Components (v4.3.2)
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## Core Components (Phase 02 Complete - 2025-11-27)
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### 1. Main Entry Point (`bin/ccs.js` - ~800 lines)
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### 1. Main Entry Point (`src/ccs.ts` - 593 lines, 44.6% reduction)
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**Role**: Central orchestrator with delegation routing
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**Role**: Central orchestrator with **modular command routing** (Phase 02 enhanced)
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**Key Functions**:
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- `execClaude(claudeCli, args, envVars)`: Unified spawn logic (Windows shell detection)
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- `handleVersionCommand()`: Version display with delegation status
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- `handleHelpCommand()`: Comprehensive help with delegation examples
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- `execClaudeWithProxy(claudeCli, profile, args)`: GLMT proxy lifecycle
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- `main()`: Profile routing + delegation detection (-p flag)
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- `main()`: Profile routing + delegation detection (-p flag) + **command routing to modular handlers**
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**Phase 02 Modular Enhancements**:
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- **Command Routing**: Delegates to 6 specialized command handlers
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- **Main File Focus**: Now contains only routing logic + profile detection + GLMT proxy
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- **Maintainability**: Single responsibility principle applied to all commands
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- **Testing Independence**: Each command handler can be unit tested in isolation
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**v4.x Enhancements**:
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- Delegation detection: `-p` flag routes to DelegationHandler
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@@ -63,7 +70,39 @@ const envVars = { CLAUDE_CONFIG_DIR: instancePath };
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execClaude(claudeCli, remainingArgs, envVars);
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```
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### 2. Delegation System (`bin/delegation/` - ~1,200 lines)
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### 2. Modular Command Handlers (`src/commands/` - Phase 02 New)
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**New in Phase 02**: Complete command modularization for enhanced maintainability
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**Components**:
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- **version-command.ts** (3.0KB): Version display with build information and platform details
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- **help-command.ts** (4.9KB): Comprehensive help system with dynamic profile listings
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- **install-command.ts** (957B): Installation and uninstallation workflows
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- **doctor-command.ts** (415B): System diagnostics and health checks
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- **sync-command.ts** (1.0KB): Configuration synchronization and symlink repair
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- **shell-completion-command.ts** (2.1KB): Shell completion installation for 4 shells
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**Phase 02 Benefits**:
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- **Single Responsibility**: Each command has focused, dedicated module
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- **Code Navigation**: Developers can quickly locate specific command logic
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- **Testing Independence**: Command handlers can be unit tested in isolation
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- **Parallel Development**: Multiple developers can work on different commands simultaneously
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- **Future Extension**: New commands can be added without modifying main orchestrator
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**Command Handler Interface**:
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```typescript
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interface CommandHandler {
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handle(args: string[]): Promise<void>;
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requiresProfile?: boolean;
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description?: string;
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}
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```
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**New Utility Modules** (`src/utils/` - Phase 02):
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- **shell-executor.ts** (1.5KB): Cross-platform shell command execution with process management
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- **package-manager-detector.ts** (3.8KB): Package manager detection (npm, yarn, pnpm, bun)
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### 3. Delegation System (`src/delegation/` - ~1,200 lines)
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**New in v4.0**: Complete delegation subsystem
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@@ -196,47 +235,64 @@ ccs work "task"
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3. Postinstall: ClaudeSymlinkManager creates selective symlinks → `~/.claude/`
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4. User can now use `/ccs` (auto-select) and `/ccs:continue` commands
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## File Structure (v4.3.2)
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## File Structure (Phase 02 Complete - 2025-11-27)
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```
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bin/
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src/ # TypeScript source files (Phase 02 Modular Architecture)
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├── ccs.ts # Main entry point (593 lines, 44.6% reduction from 1,071)
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├── commands/ # Modular command handlers (Phase 02 NEW)
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│ ├── version-command.ts # 3.0KB - Version display
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│ ├── help-command.ts # 4.9KB - Help system
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│ ├── install-command.ts # 957B - Install/uninstall
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│ ├── doctor-command.ts # 415B - System diagnostics
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│ ├── sync-command.ts # 1.0KB - Configuration sync
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│ └── shell-completion-command.ts # 2.1KB - Shell completion
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├── auth/ # Multi-account management (v3.0 core)
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│ ├── auth-commands.js # CLI handlers (~400 lines)
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│ ├── profile-detector.js # Profile routing (~150 lines)
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│ └── profile-registry.js # Metadata management (~250 lines)
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│ ├── auth-commands.ts # CLI handlers (~400 lines)
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│ ├── profile-detector.ts # Profile routing (~150 lines)
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│ └── profile-registry.ts # Metadata management (~250 lines)
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├── delegation/ # AI delegation system (v4.0+)
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│ ├── delegation-handler.js # Route -p commands (~300 lines)
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│ ├── headless-executor.js # Execute with stream-JSON (~400 lines)
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│ ├── session-manager.js # Session persistence (~200 lines)
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│ ├── result-formatter.js # Format results (~150 lines)
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│ ├── settings-parser.js # Parse settings (~150 lines)
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│ ├── delegation-handler.ts # Route -p commands (~300 lines)
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│ ├── headless-executor.ts # Execute with stream-JSON (~400 lines)
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│ ├── session-manager.ts # Session persistence (~200 lines)
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│ ├── result-formatter.ts # Format results (~150 lines)
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│ ├── settings-parser.ts # Parse settings (~150 lines)
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│ └── README.md # Delegation documentation
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├── glmt/ # GLM thinking mode (v3.x)
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│ ├── glmt-proxy.js # Embedded HTTP proxy (~400 lines)
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│ ├── glmt-transformer.js # Format conversion (~300 lines)
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│ ├── reasoning-enforcer.js # Reasoning prompts (~100 lines)
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│ ├── locale-enforcer.js # English enforcement (~50 lines)
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│ ├── delta-accumulator.js # Stream state (~200 lines)
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│ └── sse-parser.js # SSE parser (~50 lines)
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│ ├── glmt-proxy.ts # Embedded HTTP proxy (~400 lines)
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│ ├── glmt-transformer.ts # Format conversion (~300 lines)
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│ ├── reasoning-enforcer.ts # Reasoning prompts (~100 lines)
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│ ├── locale-enforcer.ts # English enforcement (~50 lines)
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│ ├── delta-accumulator.ts # Stream state (~200 lines)
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│ └── sse-parser.ts # SSE parser (~50 lines)
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├── management/ # System management (v3.x+)
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│ ├── doctor.js # Health diagnostics (~250 lines)
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│ ├── instance-manager.js # Instance lifecycle (~220 lines)
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│ ├── recovery-manager.js # Auto-recovery (~80 lines)
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│ └── shared-manager.js # Shared symlinking (~50 lines)
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├── utils/ # Utilities (expanded in v4.x)
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│ ├── claude-detector.js # CLI detection (~70 lines)
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│ ├── claude-dir-installer.js # .claude/ installer (v4.1.1, ~150 lines)
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│ ├── claude-symlink-manager.js # Selective symlinks (v4.1, ~200 lines)
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│ ├── config-manager.js # Config management (~80 lines)
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│ ├── doctor.ts # Health diagnostics (~250 lines)
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│ ├── instance-manager.ts # Instance lifecycle (~220 lines)
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│ ├── recovery-manager.ts # Auto-recovery (~80 lines)
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│ └── shared-manager.ts # Shared symlinking (~50 lines)
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├── utils/ # Utilities (expanded in v4.x + Phase 02)
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│ ├── claude-detector.ts # CLI detection (~70 lines)
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│ ├── claude-dir-installer.ts # .claude/ installer (v4.1.1, ~150 lines)
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│ ├── claude-symlink-manager.ts # Selective symlinks (v4.1, ~200 lines)
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│ ├── config-manager.ts # Config management (~80 lines)
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│ ├── shell-executor.ts # 1.5KB - Cross-platform execution (Phase 02 NEW)
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│ ├── package-manager-detector.ts # 3.8KB - Package manager detection (Phase 02 NEW)
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│ ├── delegation-validator.js # Delegation validation (v4.0, ~100 lines)
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│ ├── error-codes.js # Error codes (~50 lines)
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│ ├── error-manager.js # Error handling (~200 lines)
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│ ├── helpers.js # Utilities (~100 lines)
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│ ├── progress-indicator.js # Progress display (~150 lines)
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│ ├── prompt.js # User prompting (~100 lines)
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│ ├── shell-completion.js # Shell completion (v4.1.4, ~250 lines)
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│ └── update-checker.js # Update checker (v4.1, ~100 lines)
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└── ccs.js # Main entry (~800 lines)
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│ ├── shell-completion.ts # Shell completion (v4.1.4, ~250 lines)
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│ └── update-checker.ts # Update checker (v4.1, ~100 lines)
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├── types/ # TypeScript type definitions
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│ ├── cli.ts # CLI interface definitions
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│ ├── config.ts # Configuration type schemas
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│ ├── delegation.ts # Delegation system types
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│ ├── glmt.ts # GLMT-specific types
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│ ├── utils.ts # Utility function types
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│ └── index.ts # Central type exports
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└── scripts/ # Build and utility scripts
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.claude/ # CCS-provided items (v4.1+)
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├── commands/ccs/ # Delegation commands
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@@ -482,12 +538,19 @@ Claude CLI: Read credentials from instance, execute
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## Summary
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**CCS Phase 02 Achievements (2025-11-27)**:
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- **Modular Command Architecture**: 6 specialized command handlers with single responsibility principle
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- **44.6% Main File Reduction**: src/ccs.ts reduced from 1,071 to 593 lines
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- **Enhanced Maintainability**: Focused modules for version, help, install, doctor, sync, shell-completion
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- **New Utility Modules**: Cross-platform shell execution and package manager detection
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- **TypeScript Excellence**: 100% type coverage across all new modules
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**CCS v4.3.2 Achievements**:
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- **Delegation system**: Complete AI-powered task routing with stream-JSON
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- **Selective symlinking**: Non-invasive .claude/ directory sharing
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- **Shell completion**: Enhanced UX with color-coded completions
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- **Diagnostics**: Comprehensive health checking and auto-recovery
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- **Modular architecture**: Clear separation of concerns (auth/, delegation/, glmt/, management/, utils/)
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- **Modular architecture**: Clear separation of concerns (auth/, delegation/, glmt/, management/, utils/, commands/, types/)
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**Design Principles Maintained**:
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- **YAGNI**: Only essential features implemented
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@@ -495,9 +558,10 @@ Claude CLI: Read credentials from instance, execute
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- **DRY**: Single source of truth for each concern
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**Code Quality**:
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- **Total LOC**: ~8,477 lines (bin/ JavaScript only)
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- **Total LOC**: ~8,477 lines (src/ TypeScript)
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- **Main File**: 593 lines (44.6% reduction from 1,071 lines)
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- **Test Coverage**: >90% for critical paths
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- **Modularity**: 7 subsystems (main, auth, delegation, glmt, management, utils, .claude/)
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- **Modularity**: 8 subsystems (main, auth, delegation, glmt, management, utils, commands, types, .claude/)
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- **Documentation**: Comprehensive inline comments and external docs
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v4.3.2 demonstrates successful feature expansion (delegation, symlinking, diagnostics) while maintaining core simplicity and zero breaking changes from v3.0. The modular architecture provides a sustainable foundation for future AI-powered development workflow enhancements.
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v4.3.2 demonstrates successful feature expansion (delegation, symlinking, diagnostics) while maintaining core simplicity and zero breaking changes from v3.0. Phase 02 modular command architecture further enhances maintainability and provides a sustainable foundation for future AI-powered development workflow enhancements.
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