Automatically detects Farsi/Persian text in Claude.ai responses and applies proper right-to-left (RTL) direction and the Vazir font for a clean, native reading experience.

Features:
- Auto-detects Farsi text and applies RTL direction
- Injects the Vazir font (Regular, Light, Medium, Bold)
- Preserves LTR direction inside code blocks
- Fixes mixed Farsi/English bidi rendering issues
- Works on the chat input box with auto-direction
- Handles streaming responses via MutationObserver

No data is collected. Everything runs locally in your browser.