Implement project picker keyboard shortcut and enhance feature management

- Added a new keyboard shortcut 'P' to open the project picker dropdown.
- Implemented functionality to select projects using number keys, allowing users to quickly switch between projects.
- Updated the feature list to include a new feature for project selection via keyboard shortcuts.
- Removed obsolete coding_prompt.md and added initializer_prompt.md for better session management.
- Introduced context management for features, enabling reading, writing, and deleting context files.
- Updated package dependencies to include @radix-ui/react-checkbox for enhanced UI components.

This commit enhances user experience by streamlining project selection and improves the overall feature management process.

🤖 Generated with Claude Code

app/electron/auto-mode-service.js

@@ -1607,8 +1607,6 @@ Analyze this project's codebase and update the .automaker/app_spec.txt file with
 
 6. Ensure .automaker/agents-context/ directory exists
 
-7. Ensure .automaker/coding_prompt.md exists with default guidelines
-
 **Important:**
 - Be concise but accurate
 - Only include information you can verify from the codebase