diff --git a/AGENTS.md b/AGENTS.md
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+# CLAUDE.md
+
+This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
+
+## Project Overview
+
+ccstatusline is a customizable status line formatter for Claude Code CLI that displays model info, git branch, token usage, and other metrics. It functions as both:
+1. A piped command processor for Claude Code status lines
+2. An interactive TUI configuration tool when run without input
+
+## Development Commands
+
+```bash
+# Install dependencies
+bun install
+
+# Run in interactive TUI mode
+bun run start
+
+# Test with piped input (use [1m] suffix for 1M context models)
+echo '{"model":{"id":"claude-sonnet-4-5-20250929[1m]"},"transcript_path":"test.jsonl"}' | bun run src/ccstatusline.ts
+
+# Or use example payload
+bun run example
+
+# Build for npm distribution
+bun run build   # Creates dist/ccstatusline.js with Node.js 14+ compatibility
+
+# Run tests
+bun test
+
+# Run tests in watch mode
+bun test --watch
+
+# Lint and type check
+bun run lint   # Runs TypeScript type checking and ESLint with auto-fix
+```
+
+## Architecture
+
+The project has dual runtime compatibility - works with both Bun and Node.js:
+
+### Core Structure
+- **src/ccstatusline.ts**: Main entry point that detects piped vs interactive mode
+  - Piped mode: Parses JSON from stdin and renders formatted status line
+  - Interactive mode: Launches React/Ink TUI for configuration
+
+### TUI Components (src/tui/)
+- **index.tsx**: Main TUI entry point that handles React/Ink initialization
+- **App.tsx**: Root component managing navigation and state
+- **components/**: Modular UI components for different configuration screens
+  - MainMenu, LineSelector, ItemsEditor, ColorMenu, GlobalOverridesMenu
+  - PowerlineSetup, TerminalOptionsMenu, StatusLinePreview
+
+### Utilities (src/utils/)
+- **config.ts**: Settings management
+  - Loads from `~/.config/ccstatusline/settings.json`
+  - Handles migration from old settings format
+  - Default configuration if no settings exist
+- **renderer.ts**: Core rendering logic for status lines
+  - Handles terminal width detection and truncation
+  - Applies colors, padding, and separators
+  - Manages flex separator expansion
+- **powerline.ts**: Powerline font detection and installation
+- **claude-settings.ts**: Integration with Claude Code settings.json
+  - Respects `CLAUDE_CONFIG_DIR` environment variable with fallback to `~/.claude`
+  - Provides installation command constants (NPM, BUNX, self-managed)
+  - Detects installation status and manages settings.json updates
+  - Validates config directory paths with proper error handling
+- **colors.ts**: Color definitions and ANSI code mapping
+- **model-context.ts**: Model-to-context-window mapping
+  - Maps model IDs to their context window sizes based on [1m] suffix
+  - Sonnet 4.5 WITH [1m] suffix: 1M tokens (800k usable at 80%) - requires long context beta access
+  - Sonnet 4.5 WITHOUT [1m] suffix: 200k tokens (160k usable at 80%)
+  - Legacy models: 200k tokens (160k usable at 80%)
+
+### Widgets (src/widgets/)
+Custom widgets implementing the Widget interface defined in src/types/Widget.ts:
+
+**Widget Interface:**
+All widgets must implement:
+- `getDefaultColor()`: Default color for the widget
+- `getDescription()`: Description shown in TUI
+- `getDisplayName()`: Display name shown in TUI
+- `getEditorDisplay()`: How the widget appears in the editor
+- `render()`: Core rendering logic that produces the widget output
+- `supportsRawValue()`: Whether widget supports raw value mode
+- `supportsColors()`: Whether widget supports color customization
+- Optional: `renderEditor()`, `getCustomKeybinds()`, `handleEditorAction()`
+
+**Widget Registry Pattern:**
+- Located in src/utils/widgets.ts
+- Uses a Map-based registry (`widgetRegistry`) that maps widget type strings to widget instances
+- `getWidget(type)`: Retrieves widget instance by type
+- `getAllWidgetTypes()`: Returns all available widget types
+- `isKnownWidgetType()`: Validates if a type is registered
+
+**Available Widgets:**
+- Model, Version, OutputStyle - Claude Code metadata display
+- GitBranch, GitChanges, GitWorktree - Git repository status
+- TokensInput, TokensOutput, TokensCached, TokensTotal - Token usage metrics
+- ContextLength, ContextPercentage, ContextPercentageUsable - Context window metrics (uses dynamic model-based context windows: 1M for Sonnet 4.5 with [1m] suffix, 200k for all other models)
+- BlockTimer, SessionClock, SessionCost - Time and cost tracking
+- CurrentWorkingDir, TerminalWidth - Environment info
+- CustomText, CustomCommand - User-defined widgets
+
+## Key Implementation Details
+
+- **Cross-platform stdin reading**: Detects Bun vs Node.js environment and uses appropriate stdin API
+- **Token metrics**: Parses Claude Code transcript files (JSONL format) to calculate token usage
+- **Git integration**: Uses child_process.execSync to get current branch and changes
+- **Terminal width management**: Three modes for handling width (full, full-minus-40, full-until-compact)
+- **Flex separators**: Special separator type that expands to fill available space
+- **Powerline mode**: Optional Powerline-style rendering with arrow separators
+- **Custom commands**: Execute shell commands and display output in status line
+- **Mergeable items**: Items can be merged together with or without padding
+
+## Bun Usage Preferences
+
+Default to using Bun instead of Node.js:
+- Use `bun <file>` instead of `node <file>` or `ts-node <file>`
+- Use `bun install` instead of `npm install`
+- Use `bun run <script>` instead of `npm run <script>`
+- Use `bun build` with appropriate options for building
+- Bun automatically loads .env, so don't use dotenv
+
+## Important Notes
+
+- **ink@6.2.0 patch**: The project uses a patch for ink@6.2.0 to fix backspace key handling on macOS
+  - Issue: ink treats `\x7f` (backspace on macOS) as delete key instead of backspace
+  - Fix: Patches `build/parse-keypress.js` to correctly map `\x7f` to backspace
+  - Applied automatically during `bun install` via `patchedDependencies` in package.json
+  - Patch file: `patches/ink@6.2.0.patch`
+- **Build process**: Two-step build using `bun run build`
+  1. `bun build`: Bundles src/ccstatusline.ts into dist/ccstatusline.js targeting Node.js 14+
+  2. `postbuild`: Runs scripts/replace-version.ts to replace `__PACKAGE_VERSION__` placeholder with actual version from package.json
+- **ESLint configuration**: Uses flat config format (eslint.config.js) with TypeScript and React plugins
+- **Dependencies**: All runtime dependencies are bundled using `--packages=external` for npm package
+- **Type checking and linting**: Only run via `bun run lint` command, never using `npx eslint` or `eslint` directly. Never run `tsx`, `bun tsc` or any other variation
+- **Lint rules**: Never disable a lint rule via a comment, no matter how benign the lint warning or error may seem
+- **Testing**: Uses Vitest (via Bun) with 6 test files and ~40 test cases covering:
+  - Model context detection and token calculation (src/utils/__tests__/model-context.test.ts)
+  - Context percentage calculations (src/utils/__tests__/context-percentage.test.ts)
+  - JSONL transcript parsing (src/utils/__tests__/jsonl.test.ts)
+  - Widget rendering (src/widgets/__tests__/*.test.ts)
+  - Run tests with `bun test` or `bun test --watch` for watch mode
+  - Test configuration: vitest.config.ts
+  - Manual testing also available via piped input and TUI interaction
diff --git a/CLAUDE.md b/CLAUDE.md
deleted file mode 100644
index 0e4d40a..0000000
--- a/CLAUDE.md
+++ /dev/null
@@ -1,148 +0,0 @@
-# CLAUDE.md
-
-This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
-
-## Project Overview
-
-ccstatusline is a customizable status line formatter for Claude Code CLI that displays model info, git branch, token usage, and other metrics. It functions as both:
-1. A piped command processor for Claude Code status lines
-2. An interactive TUI configuration tool when run without input
-
-## Development Commands
-
-```bash
-# Install dependencies
-bun install
-
-# Run in interactive TUI mode
-bun run start
-
-# Test with piped input (use [1m] suffix for 1M context models)
-echo '{"model":{"id":"claude-sonnet-4-5-20250929[1m]"},"transcript_path":"test.jsonl"}' | bun run src/ccstatusline.ts
-
-# Or use example payload
-bun run example
-
-# Build for npm distribution
-bun run build   # Creates dist/ccstatusline.js with Node.js 14+ compatibility
-
-# Run tests
-bun test
-
-# Run tests in watch mode
-bun test --watch
-
-# Lint and type check
-bun run lint   # Runs TypeScript type checking and ESLint with auto-fix
-```
-
-## Architecture
-
-The project has dual runtime compatibility - works with both Bun and Node.js:
-
-### Core Structure
-- **src/ccstatusline.ts**: Main entry point that detects piped vs interactive mode
-  - Piped mode: Parses JSON from stdin and renders formatted status line
-  - Interactive mode: Launches React/Ink TUI for configuration
-
-### TUI Components (src/tui/)
-- **index.tsx**: Main TUI entry point that handles React/Ink initialization
-- **App.tsx**: Root component managing navigation and state
-- **components/**: Modular UI components for different configuration screens
-  - MainMenu, LineSelector, ItemsEditor, ColorMenu, GlobalOverridesMenu
-  - PowerlineSetup, TerminalOptionsMenu, StatusLinePreview
-
-### Utilities (src/utils/)
-- **config.ts**: Settings management
-  - Loads from `~/.config/ccstatusline/settings.json`
-  - Handles migration from old settings format
-  - Default configuration if no settings exist
-- **renderer.ts**: Core rendering logic for status lines
-  - Handles terminal width detection and truncation
-  - Applies colors, padding, and separators
-  - Manages flex separator expansion
-- **powerline.ts**: Powerline font detection and installation
-- **claude-settings.ts**: Integration with Claude Code settings.json
-  - Respects `CLAUDE_CONFIG_DIR` environment variable with fallback to `~/.claude`
-  - Provides installation command constants (NPM, BUNX, self-managed)
-  - Detects installation status and manages settings.json updates
-  - Validates config directory paths with proper error handling
-- **colors.ts**: Color definitions and ANSI code mapping
-- **model-context.ts**: Model-to-context-window mapping
-  - Maps model IDs to their context window sizes based on [1m] suffix
-  - Sonnet 4.5 WITH [1m] suffix: 1M tokens (800k usable at 80%) - requires long context beta access
-  - Sonnet 4.5 WITHOUT [1m] suffix: 200k tokens (160k usable at 80%)
-  - Legacy models: 200k tokens (160k usable at 80%)
-
-### Widgets (src/widgets/)
-Custom widgets implementing the Widget interface defined in src/types/Widget.ts:
-
-**Widget Interface:**
-All widgets must implement:
-- `getDefaultColor()`: Default color for the widget
-- `getDescription()`: Description shown in TUI
-- `getDisplayName()`: Display name shown in TUI
-- `getEditorDisplay()`: How the widget appears in the editor
-- `render()`: Core rendering logic that produces the widget output
-- `supportsRawValue()`: Whether widget supports raw value mode
-- `supportsColors()`: Whether widget supports color customization
-- Optional: `renderEditor()`, `getCustomKeybinds()`, `handleEditorAction()`
-
-**Widget Registry Pattern:**
-- Located in src/utils/widgets.ts
-- Uses a Map-based registry (`widgetRegistry`) that maps widget type strings to widget instances
-- `getWidget(type)`: Retrieves widget instance by type
-- `getAllWidgetTypes()`: Returns all available widget types
-- `isKnownWidgetType()`: Validates if a type is registered
-
-**Available Widgets:**
-- Model, Version, OutputStyle - Claude Code metadata display
-- GitBranch, GitChanges, GitWorktree - Git repository status
-- TokensInput, TokensOutput, TokensCached, TokensTotal - Token usage metrics
-- ContextLength, ContextPercentage, ContextPercentageUsable - Context window metrics (uses dynamic model-based context windows: 1M for Sonnet 4.5 with [1m] suffix, 200k for all other models)
-- BlockTimer, SessionClock, SessionCost - Time and cost tracking
-- CurrentWorkingDir, TerminalWidth - Environment info
-- CustomText, CustomCommand - User-defined widgets
-
-## Key Implementation Details
-
-- **Cross-platform stdin reading**: Detects Bun vs Node.js environment and uses appropriate stdin API
-- **Token metrics**: Parses Claude Code transcript files (JSONL format) to calculate token usage
-- **Git integration**: Uses child_process.execSync to get current branch and changes
-- **Terminal width management**: Three modes for handling width (full, full-minus-40, full-until-compact)
-- **Flex separators**: Special separator type that expands to fill available space
-- **Powerline mode**: Optional Powerline-style rendering with arrow separators
-- **Custom commands**: Execute shell commands and display output in status line
-- **Mergeable items**: Items can be merged together with or without padding
-
-## Bun Usage Preferences
-
-Default to using Bun instead of Node.js:
-- Use `bun <file>` instead of `node <file>` or `ts-node <file>`
-- Use `bun install` instead of `npm install`
-- Use `bun run <script>` instead of `npm run <script>`
-- Use `bun build` with appropriate options for building
-- Bun automatically loads .env, so don't use dotenv
-
-## Important Notes
-
-- **ink@6.2.0 patch**: The project uses a patch for ink@6.2.0 to fix backspace key handling on macOS
-  - Issue: ink treats `\x7f` (backspace on macOS) as delete key instead of backspace
-  - Fix: Patches `build/parse-keypress.js` to correctly map `\x7f` to backspace
-  - Applied automatically during `bun install` via `patchedDependencies` in package.json
-  - Patch file: `patches/ink@6.2.0.patch`
-- **Build process**: Two-step build using `bun run build`
-  1. `bun build`: Bundles src/ccstatusline.ts into dist/ccstatusline.js targeting Node.js 14+
-  2. `postbuild`: Runs scripts/replace-version.ts to replace `__PACKAGE_VERSION__` placeholder with actual version from package.json
-- **ESLint configuration**: Uses flat config format (eslint.config.js) with TypeScript and React plugins
-- **Dependencies**: All runtime dependencies are bundled using `--packages=external` for npm package
-- **Type checking and linting**: Only run via `bun run lint` command, never using `npx eslint` or `eslint` directly. Never run `tsx`, `bun tsc` or any other variation
-- **Lint rules**: Never disable a lint rule via a comment, no matter how benign the lint warning or error may seem
-- **Testing**: Uses Vitest (via Bun) with 6 test files and ~40 test cases covering:
-  - Model context detection and token calculation (src/utils/__tests__/model-context.test.ts)
-  - Context percentage calculations (src/utils/__tests__/context-percentage.test.ts)
-  - JSONL transcript parsing (src/utils/__tests__/jsonl.test.ts)
-  - Widget rendering (src/widgets/__tests__/*.test.ts)
-  - Run tests with `bun test` or `bun test --watch` for watch mode
-  - Test configuration: vitest.config.ts
-  - Manual testing also available via piped input and TUI interaction
diff --git a/CLAUDE.md b/CLAUDE.md
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+AGENTS.md
\ No newline at end of file