Examine source code of YouTube Dislike: Audience Score and Sentiment

{
  "manifest_version": 2,
  "name": "__MSG_extName__",
  "description": "AI-powered comment sentiment analysis for YouTube videos. Bring your free Gemini key, see video mood instantly.",
  "version": "1.1.0",
  "short_name": "YT Dislike",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "default_locale": "en",
  "permissions": [
    "storage",
    "tabs",
    "https://www.youtube.com/*",
    "https://generativelanguage.googleapis.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "commands": {
    "toggle-dislike": {
      "suggested_key": {
        "default": "Ctrl+Shift+P",
        "mac": "Command+Shift+P"
      },
      "description": "Toggle YouTube Dislike bar visibility"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "youtube-dislike@dracon.ai",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "browser_action": {
    "default_title": "YouTube Dislike",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/shorts/*",
        "https://www.youtube.com/watch*"
      ],
      "css": [
        "content-scripts/content.css"
      ],
      "js": [
        "content-scripts/content.js"
      ]
    },
    {
      "matches": [
        "https://www.youtube.com/shorts/*",
        "https://www.youtube.com/watch*"
      ],
      "all_frames": false,
      "run_at": "document_start",
      "js": [
        "content-scripts/yt-relay.js"
      ],
      "world": "MAIN"
    }
  ]
}