Youtube Thumbnail Replacer Firefox

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manifest.json
{
  "manifest_version": 3,
  "name": "Youtube Thumbnail Replacer",
  "version": "1.0.1",
  "description": "Replaces distracting YouTube thumbnails with a deterministic color palette to reduce engagement bait and mental noise.",
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "*://www.youtube.com/*"
  ],
  "icons": {
    "48": "icon-48.png",
    "64": "icon-64.png",
    "128": "icon-128.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "Zen Thumbnails Settings"
  },
  "content_scripts": [
    {
      "matches": [
        "*://www.youtube.com/*"
      ],
      "js": [
        "colors.js",
        "content.js"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "zen-thumbnails@carabalone.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}

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