Video Speed Controller (YouTube + RuTube) Firefox

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manifest.json
{
  "manifest_version": 3,
  "name": "Video Speed Controller (YouTube + RuTube)",
  "description": "Adds speed buttons, slider, and hotkeys to YouTube and RuTube videos. Bilingual interface (English/Russian).",
  "version": "0.4.3",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "128": "icon/128.png"
  },
  "author": "MaxScorpy",
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "*://*.youtube.com/*",
    "*://rutube.ru/*",
    "*://*.rutube.ru/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "video-speeds@maxscorpy",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": [
          "personalCommunications",
          "technicalAndInteraction"
        ]
      }
    }
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "Video Speed Controller",
    "default_icon": {
      "16": "icon/16.png",
      "32": "icon/32.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.rutube.ru/*",
        "*://*.youtube.com/*",
        "*://rutube.ru/*"
      ],
      "all_frames": false,
      "run_at": "document_idle",
      "js": [
        "content-scripts/content.js"
      ]
    },
    {
      "matches": [
        "*://*.rutube.ru/*",
        "*://rutube.ru/*"
      ],
      "run_at": "document_start",
      "js": [
        "content-scripts/page-world.js"
      ],
      "world": "MAIN"
    }
  ]
}

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