Examine source code of AI Keywords Extractor

{
  "manifest_version": 3,
  "name": "AI Keywords Extractor",
  "version": "1.0.7",
  "description": "Extract and save keywords from AI conversations (ChatGPT, Claude) with Freemium/Premium quota management.",
  "permissions": [
    "storage",
    "scripting",
    "tabs"
  ],
  "host_permissions": [
    "https://chatgpt.com/*",
    "https://chat.openai.com/*",
    "https://claude.ai/*"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "assets/icons/icon-16.png",
      "32": "assets/icons/icon-32.png",
      "48": "assets/icons/icon-48.png",
      "128": "assets/icons/icon-128.png"
    },
    "default_title": "AI Keywords Extractor"
  },
  "icons": {
    "16": "assets/icons/icon-16.png",
    "32": "assets/icons/icon-32.png",
    "48": "assets/icons/icon-48.png",
    "128": "assets/icons/icon-128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "https://chatgpt.com/*",
        "https://chat.openai.com/*",
        "https://claude.ai/*"
      ],
      "js": [
        "core/main.js"
      ],
      "css": [
        "assets/styles.css"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://chatgpt.com/*",
        "https://chat.openai.com/*"
      ],
      "js": [
        "adapters/injected/chatgpt_injected.js"
      ],
      "world": "MAIN",
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://claude.ai/*"
      ],
      "js": [
        "adapters/injected/claude_injected.js"
      ],
      "world": "MAIN",
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "adapters/injected/*.js",
        "reset.html",
        "reset.js",
        "welcome.html",
        "welcome.js",
        "popup.css"
      ],
      "matches": [
        "https://chatgpt.com/*",
        "https://chat.openai.com/*",
        "https://claude.ai/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "query-firefox@signe22.github.io",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "description": "This extension collects search queries and source URLs from AI platform responses (ChatGPT, Claude.ai) to help users save and organize their research. Data is stored in Supabase and associated with the user account. No data is shared with third parties.",
        "required": [
          "searchTerms"
        ]
      }
    }
  }
}