Examine source code of AI Upload Booster

{
  "manifest_version": 3,
  "name": "AI Upload Booster",
  "version": "1.0.1",
  "description": "Combine multiple images/pdf/Word docs into one file to optimize AI chat upload limits extend AI image analysis",
  "browser_specific_settings": {
    "gecko": {
      "id": "ai-upload-booster@example.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "activeTab",
    "storage",
    "scripting"
  ],
  "host_permissions": [
    "https://script.google.com/*",
    "https://script.googleusercontent.com/*",
    "*://*.chatgpt.com/*",
    "*://chatgpt.com/*",
    "*://*.claude.ai/*",
    "*://claude.ai/*",
    "*://*.gemini.google.com/*",
    "*://gemini.google.com/*",
    "*://*.perplexity.ai/*",
    "*://perplexity.ai/*",
    "*://*.deepseek.com/*",
    "*://deepseek.com/*",
    "*://*.mistral.ai/*",
    "*://mistral.ai/*",
    "*://copilot.microsoft.com/*",
    "*://*.grok.com/*",
    "*://grok.com/*",
    "*://*.x.com/*",
    "*://x.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.chatgpt.com/*",
        "*://chatgpt.com/*",
        "*://*.claude.ai/*",
        "*://claude.ai/*",
        "*://*.gemini.google.com/*",
        "*://gemini.google.com/*",
        "*://*.perplexity.ai/*",
        "*://perplexity.ai/*",
        "*://*.deepseek.com/*",
        "*://deepseek.com/*",
        "*://*.mistral.ai/*",
        "*://mistral.ai/*",
        "*://copilot.microsoft.com/*",
        "*://*.grok.com/*",
        "*://grok.com/*",
        "*://*.x.com/*",
        "*://x.com/*"
      ],
      "js": [
        "content-script.js"
      ],
      "run_at": "document_end"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "popup.html",
        "popup.css",
        "popup.js",
        "libs/*",
        "platforms/*",
        "icons/*"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self'"
  }
}