Examine source code of Web Text Expander p

{
  "name": "Web Text Expander",
  "description": "Web Text Expander: Text Shortcuts & Snippets",
  "default_locale": "en",
  "version": "2025.7.9.0",
  "manifest_version": 2,
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "minimum_chrome_version": "109",
  "permissions": [
    "storage",
    "unlimitedStorage",
    "clipboardRead",
    "clipboardWrite",
    "alarms",
    "contextMenus",
    "*://*/*"
  ],
  "optional_permissions": [
    "downloads"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "exclude_matches": [
        "https://docs.google.com/document/*"
      ],
      "js": [
        "content_script.js"
      ],
      "css": [
        "content_style.css"
      ],
      "all_frames": true
    },
    {
      "matches": [
        "*://docs.google.com/document/*"
      ],
      "run_at": "document_start",
      "js": [
        "gdocs_enable_annotated_canvas.js"
      ]
    },
    {
      "matches": [
        "*://docs.google.com/document/*"
      ],
      "run_at": "document_end",
      "js": [
        "gdocs_content_script.js"
      ],
      "css": [
        "content_style.css"
      ]
    }
  ],
  "icons": {
    "48": "icons/icon48.png",
    "96": "icons/icon96.png"
  },
  "options_page": "options.html",
  "externally_connectable": {
    "matches": [
      "https://webtextexpander.com/*"
    ]
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d4e9dc8d-d389-4f82-b0a4-d4b829035cd3}"
    }
  }
}