Examine source code of Gemini Limit Watcher & Usage Watcher

{
  "manifest_version": 3,
  "name": "__MSG_extName__",
  "version": "1.2.0",
  "description": "__MSG_extDescription__",
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "gemini-limit-watcher@mountainfields.de",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "permissions": [
    "storage",
    "tabs",
    "alarms",
    "webRequest",
    "webRequestBlocking",
    "scripting"
  ],
  "host_permissions": [
    "https://gemini.google.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://gemini.google.com/*"
      ],
      "js": [
        "rpc-hook.js"
      ],
      "run_at": "document_start",
      "all_frames": false
    },
    {
      "matches": [
        "https://gemini.google.com/*"
      ],
      "js": [
        "content-script.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://gemini.google.com/*"
      ],
      "js": [
        "overlay.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "rpc-inject.js"
      ],
      "matches": [
        "https://gemini.google.com/*"
      ]
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "64": "icons/icon-64.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "sidebar_action": {
    "default_panel": "sidebar.html",
    "default_title": "__MSG_extName__",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png"
    },
    "open_at_install": false
  }
}