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+# Component Dev Command - Deep Dive
+
+## Overview
+
+The `shopify theme component dev` command creates a **sandboxed development environment** for developing Shopify theme components in isolation. It sets up a temporary theme directory, integrates your components, and optionally launches a live preview server with file watching.
+
+## Command Signature
+
+```bash
+shopify theme component dev [COMPONENTSELECTOR] [FLAGS]
+```
+
+### Arguments
+
+- **`COMPONENTSELECTOR`** (optional, default: `*`)
+  - Component name(s) to include in dev environment
+  - Can be:
+    - Single component: `header`
+    - Multiple components: `header,footer,navigation`
+    - All components: `*` (default)
+  - Validates component names exist in collection
+  - Only allows alphanumeric, hyphens, and underscores
+
+### Flags
+
+#### Component Collection Flags
+- **`--collection-name` (`-n`)** - Override collection name from package.json
+- **`--collection-version` (`-v`)** - Override collection version from package.json
+
+#### Theme Source Flags
+- **`--theme-dir` (`-t`)** - Theme directory path or GitHub URL
+  - Default: `https://github.com/archetype-themes/explorer`
+  - Can be:
+    - Local path: `./my-theme` or `/absolute/path/to/theme`
+    - GitHub URL: `https://github.com/user/repo`
+    - Only GitHub URLs are supported (not GitLab, Bitbucket, etc.)
+
+#### Development Flags
+- **`--setup-files` (`-s`)** - Copy setup files to theme directory
+  - Default: `true`
+  - Copies files from `components/*/setup/` directories
+  - Merges `settings_schema.json` and `settings_data.json`
+- **`--watch` (`-w`)** - Watch for changes and rebuild
+  - Default: `true`
+  - Watches both theme directory and components directory
+- **`--preview` (`-y`)** - Launch Shopify theme dev server
+  - Default: `true`
+  - Runs `shopify theme dev` after building
+- **`--generate-import-map` (`-i`)** - Generate import map
+  - Default: `true`
+  - Creates `snippets/head.import-map.liquid`
+- **`--generate-template-map` (`-m`)** - Generate template map
+  - Default: `true`
+  - Creates `snippets/template-map.liquid`
+  - Only runs if `--setup-files` is enabled
+
+#### Shopify Theme Dev Flags (passed through)
+- **`--host`** - Network interface for web server (default: `127.0.0.1`)
+- **`--port`** - Local port for preview server
+- **`--live-reload`** - Enable browser auto-reload
+- **`--store`** - Store URL (e.g., `example.myshopify.com`)
+- **`--theme`** - Remote theme ID or name
+- **`--password`** - Theme Access app password
+- **`--store-password`** - Storefront password protection
+- **`--environment`** - Environment configuration
+
+## Execution Flow
+
+### Phase 1: Initialization
+
+1. **Parse Arguments & Flags**
+   - Validates component selector
+   - Resolves theme directory source
+   - Sets up working directories
+
+2. **Directory Setup**
+   - Collection directory: `process.cwd()` (where command is run)
+   - Components directory: `./components/`
+   - Dev directory: `./.dev/` (created in collection directory)
+   - Watch directory: `./.dev/.watch/` (staging area for rebuilds)
+
+3. **Clean Dev Directory**
+   - Removes existing `.dev/` directory if present
+   - Creates fresh `.dev/` directory
+   - Ensures clean state for each dev session
+
+### Phase 2: Theme Acquisition
+
+The command determines the theme source based on `--theme-dir`:
+
+#### GitHub URL (Default)
+```typescript
+if (themeDir.startsWith('http')) {
+  // Clone repository
+  const themeDir = path.join(devDir, '.repo')
+  await cloneTheme(url, themeDir)
+  return themeDir
+}
+```
+
+- Uses `git clone` to fetch theme repository
+- Cloned to `.dev/.repo/` subdirectory
+- Only supports GitHub URLs (`github.com` or `*.github.com`)
+- Throws error for unsupported Git providers
+
+#### Local Path
+```typescript
+return path.resolve(process.cwd(), themeDir)
+```
+
+- Resolves relative or absolute paths
+- Validates theme directory structure
+- Must contain: `layout/`, `templates/`, `config/` directories
+
+### Phase 3: Theme Building
+
+The `buildTheme()` method orchestrates the build process:
+
+#### Step 1: Copy Theme Files
+```typescript
+syncFiles(params.themeDir, destination)
+```
+
+- Recursively copies all theme files to `.dev/` directory
+- Uses content comparison to avoid unnecessary copies
+- Removes files not present in source
+- Ignores dotfiles (`.git`, `.dev`, etc.)
+
+#### Step 2: Copy Setup Files (if enabled)
+```typescript
+if (params.setupFiles) {
+  await copySetupComponentFiles(
+    process.cwd(),
+    destination,
+    params.componentSelector
+  )
+}
+```
+
+Setup files are found in `components/*/setup/` directories:
+
+**Settings Schema Merging:**
+- Finds all `settings_schema.json` files
+- Parses each as JSON array
+- Merges arrays together (concatenates)
+- Writes to `config/settings_schema.json`
+
+**Settings Data Merging:**
+- Finds all `settings_data.json` files
+- Parses each as JSON object
+- Deep merges objects (preserves nested structure)
+- Writes to `config/settings_data.json`
+
+**Other Setup Files:**
+- Copies other files (e.g., templates, sections, blocks) to appropriate theme folders
+- Respects component selector - only includes selected components
+
+**Example Setup File Structure:**
+```
+components/
+  header/
+    setup/
+      templates/
+        index.header.liquid
+      sections/
+        header.liquid
+      config/
+        settings_schema.json
+        settings_data.json
+```
+
+#### Step 3: Install Components
+```typescript
+await Install.run([destination])
+```
+
+This runs the full component installation workflow:
+
+1. **Map** (`shopify theme component map`)
+   - Generates/updates `component.manifest.json`
+   - Maps component files to collection
+   - Tracks dependencies recursively
+   - Handles conflicts and overrides
+
+2. **Copy** (`shopify theme component copy`)
+   - Copies component snippets and assets from collection to theme
+   - Only copies files belonging to current collection
+   - Validates manifest exists and version matches
+
+3. **Clean** (`shopify theme component clean`)
+   - Removes files not in manifest
+   - Prevents orphaned files
+
+4. **Generate Import Map** (`shopify theme generate import-map`)
+   - Creates `snippets/head.import-map.liquid`
+   - Maps JavaScript files to Shopify asset URLs
+   - Enables ES6 module imports
+
+#### Step 4: Generate Template Map (conditional)
+```typescript
+if (params.generateTemplateMap && params.setupFiles) {
+  await GenerateTemplateMap.run([destination, '--quiet'])
+}
+```
+
+- Only runs if both flags are enabled
+- Scans `templates/` directory recursively
+- Creates `snippets/template-map.liquid`
+- Maps component routes for navigation
+
+### Phase 4: Preview Server (if enabled)
+
+```typescript
+if (preview) {
+  const additionalArgs = this.getThemeDevFlags()
+  await this.config.runCommand(`theme:dev`, ['--path', devDir, ...additionalArgs])
+}
+```
+
+- Calls Shopify CLI's `theme:dev` command
+- Passes `--path` pointing to `.dev/` directory
+- Forwards all Shopify theme dev flags
+- Launches live preview server
+- Connects to Shopify store for real-time preview
+
+### Phase 5: File Watching (if enabled)
+
+```typescript
+if (watch) {
+  return this.setupWatcher(devDir, themeDir, componentsDir, buildThemeParams)
+}
+```
+
+#### Watcher Setup
+
+**Watched Directories:**
+- Theme directory (source, not `.dev/`)
+- Components directory (`./components/`)
+
+**Watcher Configuration:**
+```typescript
+chokidar.watch([themeDir, componentsDir], {
+  ignoreInitial: true,  // Don't trigger on initial scan
+  ignored: /(^|[/\\])\../,  // Ignore dotfiles
+  persistent: true  // Keep watching
+})
+```
+
+#### Rebuild Process
+
+When changes are detected:
+
+1. **Rebuild to Staging Directory**
+   ```typescript
+   await this.buildTheme(watchDir, buildThemeParams)
+   ```
+   - Builds theme to `.dev/.watch/` directory
+   - Re-runs entire build process
+   - Includes all component installation steps
+
+2. **Sync to Dev Directory**
+   ```typescript
+   syncFiles(watchDir, devDir)
+   ```
+   - Syncs changes from staging to `.dev/`
+   - Only copies changed files
+   - Removes deleted files
+
+3. **Shopify Theme Dev Auto-Reload**
+   - Shopify CLI's `theme dev` watches `.dev/` directory
+   - Automatically syncs changes to Shopify
+   - Browser auto-reloads (if `--live-reload` enabled)
+
+## Directory Structure
+
+After running the command, the directory structure looks like:
+
+```
+collection-directory/
+├── components/              # Source components
+│   ├── header/
+│   │   ├── header.liquid
+│   │   ├── snippets/
+│   │   ├── assets/
+│   │   └── setup/
+│   └── footer/
+│       └── ...
+├── scripts/                 # Global scripts
+├── package.json
+└── .dev/                    # Generated dev environment
+    ├── .repo/               # Cloned theme (if from GitHub)
+    ├── .watch/              # Staging directory for rebuilds
+    ├── assets/
+    ├── config/
+    ├── layout/
+    ├── locales/
+    ├── sections/
+    ├── snippets/
+    ├── templates/
+    └── component.manifest.json
+```
+
+## Use Cases
+
+### 1. Isolated Component Development
+
+Develop a single component without affecting the main theme:
+
+```bash
+shopify theme component dev header --no-preview
+```
+
+- Creates isolated environment
+- Only includes `header` component
+- No preview server (build only)
+
+### 2. Multi-Component Development
+
+Develop multiple related components together:
+
+```bash
+shopify theme component dev header,footer,navigation
+```
+
+- Includes all three components
+- Includes their dependencies
+- Full preview environment
+
+### 3. Full Theme Integration Testing
+
+Test components in a complete theme context:
+
+```bash
+shopify theme component dev \
+  --theme-dir https://github.com/archetype-themes/explorer \
+  --store myshop.myshopify.com \
+  --live-reload
+```
+
+- Uses official Explorer theme
+- Connects to Shopify store
+- Live preview with auto-reload
+
+### 4. Local Theme Integration
+
+Use a local theme directory:
+
+```bash
+shopify theme component dev \
+  --theme-dir ./my-custom-theme \
+  --watch \
+  --preview
+```
+
+- Works with local theme files
+- Watches for changes
+- Launches preview server
+
+### 5. Build-Only Mode
+
+Build without watching or preview:
+
+```bash
+shopify theme component dev \
+  --no-watch \
+  --no-preview
+```
+
+- One-time build
+- Useful for CI/CD
+- Validates component integration
+
+## Component Selection Logic
+
+The component selector affects what gets included:
+
+### Selector: `*` (Default)
+- Includes ALL components from collection
+- Processes all dependencies
+- Full manifest generated
+
+### Selector: `header`
+- Includes only `header` component
+- Recursively includes dependencies:
+  - Child snippets referenced in `header.liquid`
+  - Assets referenced in component
+  - Dependencies of dependencies
+
+### Selector: `header,footer`
+- Includes both components
+- Includes all dependencies of both
+- Deduplicates shared dependencies
+
+## Setup Files Processing
+
+Setup files enable components to contribute theme configuration:
+
+### Settings Schema
+Multiple `settings_schema.json` files are merged:
+
+**Component 1:**
+```json
+[
+  { "name": "header_settings", "type": "header" },
+  { "name": "logo_settings", "type": "image_picker" }
+]
+```
+
+**Component 2:**
+```json
+[
+  { "name": "footer_settings", "type": "header" },
+  { "name": "social_settings", "type": "checkbox" }
+]
+```
+
+**Result:**
+```json
+[
+  { "name": "header_settings", "type": "header" },
+  { "name": "logo_settings", "type": "image_picker" },
+  { "name": "footer_settings", "type": "header" },
+  { "name": "social_settings", "type": "checkbox" }
+]
+```
+
+### Settings Data
+Deep merged with priority:
+
+**Component 1:**
+```json
+{
+  "presets": {
+    "Default": {
+      "logo": "logo.png"
+    }
+  }
+}
+```
+
+**Component 2:**
+```json
+{
+  "presets": {
+    "Default": {
+      "social_enabled": true
+    }
+  }
+}
+```
+
+**Result:**
+```json
+{
+  "presets": {
+    "Default": {
+      "logo": "logo.png",
+      "social_enabled": true
+    }
+  }
+}
+```
+
+## File Watching Behavior
+
+### What Gets Watched
+
+1. **Theme Directory** (source)
+   - All theme files
+   - Changes trigger rebuild
+
+2. **Components Directory**
+   - All component files
+   - Changes trigger rebuild
+
+### What Gets Ignored
+
+- Dotfiles (`.git`, `.dev`, `.watch`)
+- Hidden files/directories
+
+### Rebuild Process
+
+1. **Change Detected** → File watcher fires
+2. **Build to Staging** → `.dev/.watch/` directory
+3. **Sync to Dev** → Copy changes to `.dev/`
+4. **Shopify Sync** → Shopify CLI detects changes
+5. **Browser Reload** → If live-reload enabled
+
+### Performance Considerations
+
+- Only changed files are copied
+- Content comparison prevents unnecessary writes
+- Parallel processing where possible
+- Rebuilds are incremental (not full resets)
+
+## Integration with Shopify CLI
+
+The command integrates seamlessly with Shopify CLI's `theme dev`:
+
+### Flag Forwarding
+
+All Shopify theme dev flags are forwarded:
+
+```typescript
+const themeDevFlags = new Set([
+  'host', 'live-reload', 'port', 'store-password',
+  'theme', 'store', 'environment', 'password', 'path'
+])
+```
+
+### Command Execution
+
+```typescript
+await this.config.runCommand(`theme:dev`, [
+  '--path', devDir,
+  ...additionalArgs
+])
+```
+
+- Uses oclif's command runner
+- Maintains CLI context
+- Preserves error handling
+
+## Error Handling
+
+### Validation Errors
+
+**Invalid Component Selector:**
+```
+Error: Invalid component name(s): invalid-name!
+Component names can only contain letters, numbers, hyphens, and underscores.
+```
+
+**Missing Theme Directory:**
+```
+Error: The provided path ./invalid-path does not appear to contain valid theme files.
+```
+
+**Unsupported Theme URL:**
+```
+Error: Unsupported theme URL: https://gitlab.com/user/repo
+```
+
+### Runtime Errors
+
+- Git clone failures (network issues, invalid repo)
+- File system errors (permissions, disk space)
+- Component installation failures (missing dependencies)
+- Manifest validation errors
+
+## Testing Considerations
+
+The command includes test-specific behavior:
+
+```typescript
+if (process.env.NODE_ENV === 'test') {
+  themeWatcher.emit('all', 'change', themeDir)
+  resolve()
+}
+```
+
+- Watcher resolves immediately in test mode
+- Triggers rebuild event for testing
+- Allows testing without waiting for file changes
+
+## Best Practices
+
+### 1. Use Component Selectors
+Develop specific components rather than all:
+```bash
+shopify theme component dev header --watch
+```
+
+### 2. Clean Dev Directory
+The command cleans automatically, but you can manually remove:
+```bash
+rm -rf .dev
+```
+
+### 3. Use Local Themes for Fast Iteration
+Clone theme once, then use local path:
+```bash
+shopify theme component dev --theme-dir ./my-theme
+```
+
+### 4. Disable Preview for CI/CD
+```bash
+shopify theme component dev --no-preview --no-watch
+```
+
+### 5. Combine with Git
+Keep `.dev/` in `.gitignore`:
+```
+.dev/
+```
+
+## Limitations
+
+1. **GitHub Only** - Cannot clone from GitLab, Bitbucket, etc.
+2. **Single Theme Source** - Cannot mix multiple theme sources
+3. **No Component Versioning** - Uses current collection version
+4. **Watch Performance** - May be slow with large component collections
+5. **Preview Requires Shopify CLI** - Must have Shopify CLI installed
+
+## Comparison with Other Commands
+
+| Command | Purpose | Output Location | Preview |
+|---------|---------|----------------|---------|
+| `dev` | Sandboxed development | `.dev/` | Yes (optional) |
+| `install` | Production integration | Theme directory | No |
+| `copy` | Copy files only | Theme directory | No |
+| `map` | Generate manifest | Theme directory | No |
+
+## Example Workflow
+
+```bash
+# 1. Start dev environment
+shopify theme component dev header \
+  --theme-dir https://github.com/archetype-themes/explorer \
+  --watch \
+  --preview \
+  --store myshop.myshopify.com \
+  --live-reload
+
+# 2. Edit component files
+# File: components/header/header.liquid
+# Changes automatically trigger rebuild
+
+# 3. See changes in browser
+# Shopify CLI syncs to store
+# Browser auto-reloads
+
+# 4. Stop dev environment
+# Ctrl+C stops watcher and preview server
+
+# 5. Install to production theme
+shopify theme component install ./production-theme header
+```
+
+This command provides a complete development workflow for Shopify theme components, enabling isolated development, live preview, and seamless integration.
diff --git a/REPOSITORY_FEATURES.md b/REPOSITORY_FEATURES.md
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+# Plugin Devkit Repository - Comprehensive Feature Analysis
+
+## Overview
+
+**plugin-devkit** is a Shopify CLI plugin (v1.0.8) developed by Archetype Themes Limited Partnership. It's a TypeScript-based CLI tool built with oclif that enhances Shopify theme development with a component-driven architecture. The plugin enables developers to build modular, reusable Liquid components for Shopify themes.
+
+## Project Structure
+
+### Technology Stack
+- **Language**: TypeScript (ES2022 target, Node16 modules)
+- **CLI Framework**: oclif (@oclif/core v4)
+- **Build System**: TypeScript compiler
+- **Package Manager**: npm
+- **Node.js Version**: v18.12.0+
+
+### Key Dependencies
+- `@oclif/core`: CLI framework
+- `chokidar`: File watching
+- `deepmerge`: Object merging
+- `fs-extra`: File system operations
+- `glob`: File pattern matching
+- `jsonc`: JSON with comments support
+- `parse-imports`: JavaScript import parsing
+- `smol-toml`: TOML parsing
+
+### Architecture
+- Commands organized under `src/commands/theme/`
+- Shared utilities in `src/utilities/`
+- Base command class for common functionality
+- Argument and flag definitions centralized
+
+## Core Features
+
+### 1. Component Management System
+
+#### Component Collection Structure
+Components are organized in a collection directory with:
+- `components/` - Contains component folders
+- Each component folder contains:
+  - `*.liquid` - Main component file (same name as folder)
+  - `snippets/` - Related snippet files
+  - `assets/` - Component assets (JS, CSS)
+  - `setup/` - Setup files (settings_schema.json, settings_data.json, etc.)
+- `scripts/` - Global JavaScript files
+- `package.json` - Collection metadata
+
+#### Component Node System
+The plugin uses a `LiquidNode` data structure to track:
+- **Type**: `component`, `snippet`, `asset`, `entry`, `setup`
+- **Dependencies**: Snippets referenced via `render`, `include`, `inject`
+- **Assets**: JavaScript files referenced via `asset_url` filter or ES6 imports
+- **Body**: File content for analysis
+- **Theme Folder**: Target location (`assets`, `snippets`, `layout`, `sections`, `templates`, `blocks`)
+
+### 2. Commands
+
+#### Component Commands (`shopify theme component`)
+
+##### `map` - Generate Component Manifest
+- **Purpose**: Creates/updates `component.manifest.json` file
+- **Features**:
+  - Maps component files (snippets and assets) to their source collection
+  - Tracks component collection version and commit hash
+  - Supports component selection (single, comma-separated, or `*` for all)
+  - Handles conflicts and overrides with warnings
+  - Recursively processes component dependencies
+  - Flags:
+    - `--ignore-conflicts` (`-f`): Ignore conflicts when mapping
+    - `--ignore-overrides` (`-o`): Ignore overrides when mapping
+    - `--collection-name` (`-n`): Override collection name
+    - `--collection-version` (`-v`): Override collection version
+
+##### `copy` - Copy Component Files
+- **Purpose**: Copies rendered component files into theme directory
+- **Features**:
+  - Copies snippets and assets from collection to theme
+  - Validates manifest exists and version matches
+  - Only copies files belonging to current collection
+  - Updates files only if changed
+
+##### `clean` - Remove Unused Files
+- **Purpose**: Removes component files not in manifest
+- **Features**:
+  - Scans theme directory for snippets and assets
+  - Removes files not listed in `component.manifest.json`
+  - Prevents orphaned component files
+  - Supports quiet mode (`-q`)
+
+##### `install` - Complete Installation
+- **Purpose**: Runs full component installation workflow
+- **Features**:
+  - Executes in sequence: `map` → `copy` → `clean` → `generate import-map`
+  - One-command setup for components
+  - Supports component selector
+
+##### `dev` - Development Environment
+- **Purpose**: Creates sandboxed development environment
+- **Features**:
+  - Removes existing `.dev` directory
+  - Clones/fetches theme from GitHub or local directory
+  - Copies component files and setup files
+  - Integrates with `shopify theme dev` for preview
+  - File watching with chokidar for auto-sync
+  - Flags:
+    - `--theme-dir` (`-t`): Theme directory (default: GitHub Explorer theme)
+    - `--setup-files` (`-s`): Copy setup files (default: true)
+    - `--watch` (`-w`): Watch for changes (default: true)
+    - `--preview` (`-y`): Sync to theme directory (default: true)
+    - `--generate-import-map` (`-i`): Generate import map
+    - `--generate-template-map` (`-m`): Generate template map
+    - Theme dev flags: `--host`, `--port`, `--live-reload`, `--store`, `--theme`, `--password`, `--store-password`, `--environment`
+
+#### Generate Commands (`shopify theme generate`)
+
+##### `import-map` - Generate JavaScript Import Map
+- **Purpose**: Creates `snippets/head.import-map.liquid` for ES6 module imports
+- **Features**:
+  - Scans `assets/` directory for `.js` files
+  - Creates import map with Shopify `asset_url` filter
+  - Supports both `.js` and `.min.js` extensions
+  - Generates `<script type="importmap">` snippet
+
+##### `template-map` - Generate Template Route Map
+- **Purpose**: Creates `snippets/template-map.liquid` for component routing
+- **Features**:
+  - Scans `templates/` directory recursively
+  - Maps component names to Shopify route templates
+  - Supports category-based routing (product, collection, page, etc.)
+  - Generates JSON template map with Liquid variables
+  - Handles special routes (404, cart, customers, search, etc.)
+
+#### Locale Commands (`shopify theme locale`)
+
+##### `sync` - Sync Locale Files
+- **Purpose**: Synchronizes theme locale files with source translations
+- **Features**:
+  - Fetches locales from GitHub repository or local directory
+  - Scans theme files for translation key usage
+  - Three sync modes:
+    - `add-missing`: Only add new translations
+    - `add-and-override`: Add new and override existing
+    - `replace-existing`: Replace existing translations only
+  - Supports schema and storefront translations separately
+  - Handles dynamic translation keys (prefix patterns)
+  - Formats locale files (alphabetical sorting)
+  - Flags:
+    - `--locales-source` (`-l`): Source directory/URL (default: Archetype locales repo)
+    - `--mode` (`-m`): Sync mode (default: `add-missing`)
+    - `--target`: Process `all`, `schema`, or `storefront` translations
+    - `--format`: Sort keys alphabetically
+    - `--clean` (`-c`): Remove unreferenced translations after sync
+
+##### `clean` - Remove Unreferenced Translations
+- **Purpose**: Removes unused translation keys from locale files
+- **Features**:
+  - Scans theme files for translation key references
+  - Identifies unused keys in locale files
+  - Supports prefix-based dynamic keys
+  - Formats output files
+  - Flags:
+    - `--target`: Process `all`, `schema`, or `storefront` translations
+    - `--format`: Sort keys alphabetically
+
+### 3. Translation Key Detection
+
+The plugin uses sophisticated regex patterns to detect translation keys:
+
+#### Schema Translations (`t:` pattern)
+- Pattern: `"t:translation.key"`
+- Scanned directories: `config/`, `blocks/`, `sections/`
+- Used in: Schema JSON files
+
+#### Storefront Translations
+- Standard Liquid patterns:
+  - `{{ 'key' | t }}`
+  - `{% assign var = 'key' | t %}`
+  - Dynamic prefixes: `'prefix.' | append: x | t`
+- `render` locale parameter: `render 'snippet' locale: 'key'`
+- `utility.translate` snippet:
+  - `key:` parameter
+  - `t:` parameter (string or variable)
+- Scanned directories: `blocks/`, `layout/`, `sections/`, `snippets/`, `templates/`
+
+### 4. File Processing Utilities
+
+#### Node Analysis
+- Parses Liquid files to extract:
+  - Snippet dependencies (`render`, `include`, `inject`)
+  - JavaScript asset references (`asset_url` filter)
+  - ES6 import statements in JS files
+  - Component structure and relationships
+
+#### Manifest Management
+- `component.manifest.json` structure:
+  ```json
+  {
+    "collections": {
+      "collection-name": {
+        "commit": "git-commit-hash",
+        "version": "1.0.0"
+      }
+    },
+    "files": {
+      "snippets": {
+        "snippet-name.liquid": "collection-name"
+      },
+      "assets": {
+        "asset.js": "collection-name"
+      }
+    }
+  }
+  ```
+- Tracks file ownership
+- Handles conflicts and overrides
+- Supports multiple collections
+
+#### Setup Files Processing
+- Merges `settings_schema.json` from multiple components
+- Deep merges `settings_data.json` from components
+- Copies other setup files to appropriate theme directories
+
+### 5. Git Integration
+
+- Clones theme repositories from GitHub URLs
+- Retrieves commit hash for component collections
+- Used for version tracking in manifests
+
+### 6. File Watching
+
+- Uses `chokidar` for file system watching
+- Watches theme and component directories
+- Auto-rebuilds theme on changes
+- Syncs changes to development directory
+
+## Utility Functions
+
+### File Operations
+- `syncFiles`: Copy entire directory structures
+- `cleanDir`: Remove directory contents
+- `copyFileIfChanged`: Copy only if file changed
+- `writeFileIfChanged`: Write only if content changed
+
+### Object Operations
+- `sortObjectKeys`: Alphabetically sort object keys
+- `flattenObject`: Flatten nested objects
+- `unflattenObject`: Restore nested structure
+- `deepMerge`: Deep merge objects
+
+### Logger
+- Centralized logging with debug, info, warn, error levels
+- Integration with oclif command logging
+
+### Argument & Flag Parsing
+- Centralized argument definitions with validation
+- Component selector validation
+- Theme directory validation
+- Flag definitions with defaults
+
+## Testing
+
+- Test files in `test/` directory mirroring `src/` structure
+- Uses Mocha test framework
+- Test fixtures include:
+  - Component collection examples
+  - Theme directory structure
+  - Locale files
+
+## Development Workflow
+
+### Local Development
+1. Clone repository
+2. Install dependencies: `npm install`
+3. Build: `npm run build` or `npm run watch`
+4. Link plugin: `shopify plugins link`
+5. Test commands locally
+
+### Component Development Workflow
+1. Create component collection structure
+2. Develop components in `components/` directory
+3. Use `shopify theme component dev` for isolated development
+4. Use `shopify theme component install` to integrate into theme
+5. Use `shopify theme component map` to update manifest
+
+## Key Design Patterns
+
+### Command Pattern
+- All commands extend `BaseCommand`
+- Shared initialization logic
+- Consistent argument/flag handling
+
+### Node-Based Architecture
+- Components, snippets, and assets represented as nodes
+- Dependency graph built from nodes
+- Recursive dependency resolution
+
+### Manifest-Driven
+- Single source of truth: `component.manifest.json`
+- Tracks file ownership and versions
+- Enables conflict resolution
+
+### Separation of Concerns
+- Commands: User-facing CLI operations
+- Utilities: Reusable business logic
+- Types: Shared type definitions
+
+## Integration Points
+
+### Shopify CLI
+- Registered as oclif plugin
+- Commands prefixed with `shopify theme`
+- Integrates with `shopify theme dev` command
+
+### Shopify Theme Structure
+- Respects Shopify theme directory structure
+- Works with standard theme folders:
+  - `assets/`
+  - `config/`
+  - `layout/`
+  - `sections/`
+  - `snippets/`
+  - `templates/`
+  - `blocks/`
+  - `locales/`
+
+## Configuration
+
+### Component Collection
+- Requires `package.json` with name and version
+- Collection name and version used in manifest
+- Can be overridden via flags
+
+### Theme Directory
+- Validates theme directory structure
+- Requires: `layout/`, `templates/`, `config/` directories
+- Supports local paths and GitHub URLs
+
+## Error Handling
+
+- Validates component collection structure
+- Validates theme directory structure
+- Warns on missing components
+- Handles version mismatches
+- Provides clear error messages
+
+## Performance Considerations
+
+- Parallel file processing where possible
+- File change detection to avoid unnecessary writes
+- Efficient glob patterns for file discovery
+- Lazy evaluation of file contents
+
+## Future Extensibility
+
+- Plugin architecture allows adding new commands
+- Utility functions can be extended
+- Node system supports new file types
+- Manifest structure can accommodate new metadata
+
+## Security Considerations
+
+- File system operations validate paths
+- Git operations use standard git commands
+- No arbitrary code execution
+- Input validation on all user inputs
+
+## Documentation
+
+- README with command documentation
+- CONTRIBUTING guide for developers
+- CHANGELOG for version history
+- Code comments explain complex logic
+
+## Limitations
+
+- GitHub-only theme cloning (no other Git providers)
+- Component selector validation requires components directory
+- Manifest must exist before copy operations
+- Version checking requires exact match
+
+## Use Cases
+
+1. **Component Library Development**: Build reusable Shopify components
+2. **Theme Customization**: Add components to existing themes
+3. **Translation Management**: Sync and clean locale files
+4. **Isolated Development**: Develop components separately from theme
+5. **Import Map Generation**: Enable ES6 modules in Shopify themes
+6. **Template Routing**: Map components to theme routes