Examine source code of RTL Text Fixer

{
  "manifest_version": 3,
  "name": "RTL Text Fixer",
  "version": "1.0.0",
  "description": "Automatically fixes right-to-left alignment for Arabic, Persian, Hebrew and other RTL scripts on AI chat platforms and editor-style pages.",
  "browser_specific_settings": {
    "gecko": {
      "id": "rtl-text-fixer@shahramrahbari.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://chatgpt.com/*",
    "https://chat.openai.com/*",
    "https://claude.ai/*",
    "https://gemini.google.com/*",
    "https://aistudio.google.com/*",
    "https://grok.com/*",
    "https://chat.deepseek.com/*",
    "https://copilot.microsoft.com/*",
    "https://poe.com/*",
    "https://perplexity.ai/*",
    "https://www.perplexity.ai/*",
    "https://www.meta.ai/*",
    "https://character.ai/*",
    "https://beta.character.ai/*",
    "https://chat.mistral.ai/*",
    "https://huggingface.co/*",
    "https://medium.com/*",
    "https://virgool.io/*",
    "https://www.linkedin.com/*",
    "https://mail.google.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://chatgpt.com/*",
        "https://chat.openai.com/*",
        "https://claude.ai/*",
        "https://gemini.google.com/*",
        "https://aistudio.google.com/*",
        "https://grok.com/*",
        "https://chat.deepseek.com/*",
        "https://copilot.microsoft.com/*",
        "https://poe.com/*",
        "https://perplexity.ai/*",
        "https://www.perplexity.ai/*",
        "https://www.meta.ai/*",
        "https://character.ai/*",
        "https://beta.character.ai/*",
        "https://chat.mistral.ai/*",
        "https://huggingface.co/*",
        "https://medium.com/*",
        "https://virgool.io/*",
        "https://www.linkedin.com/*",
        "https://mail.google.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "RTL Text Fixer",
    "default_icon": {
      "16": "icon_colors/teal/icon16.png",
      "48": "icon_colors/teal/icon48.png",
      "128": "icon_colors/teal/icon128.png"
    }
  },
  "icons": {
    "16": "icon_colors/teal/icon16.png",
    "48": "icon_colors/teal/icon48.png",
    "128": "icon_colors/teal/icon128.png"
  }
}