/install

Install notification hooks at either project or user level.

Install notification hooks at either project or user level.

This adds hooks for:
- Audio/popup notification when Claude is waiting for input (Notification event)
- Audio/popup notification when Claude completes a task (Stop event)

**Before running the script, ask the user:**

1. **Installation level**: "Where would you like to install notification hooks?"
   - Option 1: "Project level (./.claude/) - Only for this project"
   - Option 2: "User level (~/.claude/) - All projects"

2. **If project level was chosen**, ask: "Which settings file should we use?"
   - Option 1: "settings.json - Co...