Examine source code of Etch

{
  "manifest_version": 3,
  "name": "Etch",
  "version": "1.23.4",
  "description": "Bookmark any moment in an AI conversation and jump back instantly. Works on ChatGPT, Claude, Grok, and more.",
  "permissions": [
    "storage",
    "tabs"
  ],
  "host_permissions": [
    "https://eu.i.posthog.com/*",
    "*://chatgpt.com/*",
    "*://*.chatgpt.com/*",
    "*://chat.openai.com/*",
    "*://*.chat.openai.com/*",
    "*://gemini.google.com/*",
    "*://*.gemini.google.com/*",
    "*://copilot.microsoft.com/*",
    "*://*.copilot.microsoft.com/*",
    "*://perplexity.ai/*",
    "*://*.perplexity.ai/*",
    "*://claude.ai/*",
    "*://*.claude.ai/*",
    "*://grok.com/*",
    "*://*.grok.com/*",
    "*://chat.mistral.ai/*",
    "*://*.chat.mistral.ai/*",
    "*://poe.com/*",
    "*://*.poe.com/*",
    "*://huggingface.co/*",
    "*://*.huggingface.co/*",
    "*://you.com/*",
    "*://*.you.com/*",
    "*://character.ai/*",
    "*://*.character.ai/*",
    "*://chat.deepseek.com/*",
    "*://*.chat.deepseek.com/*",
    "*://pi.ai/*",
    "*://*.pi.ai/*",
    "*://groq.com/*",
    "*://*.groq.com/*",
    "*://aistudio.google.com/*",
    "*://*.aistudio.google.com/*"
  ],
  "background": {
    "scripts": [
      "src/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://chatgpt.com/*",
        "*://*.chatgpt.com/*",
        "*://chat.openai.com/*",
        "*://*.chat.openai.com/*",
        "*://gemini.google.com/*",
        "*://*.gemini.google.com/*",
        "*://copilot.microsoft.com/*",
        "*://*.copilot.microsoft.com/*",
        "*://perplexity.ai/*",
        "*://*.perplexity.ai/*",
        "*://claude.ai/*",
        "*://*.claude.ai/*",
        "*://grok.com/*",
        "*://*.grok.com/*",
        "*://chat.mistral.ai/*",
        "*://*.chat.mistral.ai/*",
        "*://poe.com/*",
        "*://*.poe.com/*",
        "*://huggingface.co/*",
        "*://*.huggingface.co/*",
        "*://you.com/*",
        "*://*.you.com/*",
        "*://character.ai/*",
        "*://*.character.ai/*",
        "*://chat.deepseek.com/*",
        "*://*.chat.deepseek.com/*",
        "*://pi.ai/*",
        "*://*.pi.ai/*",
        "*://groq.com/*",
        "*://*.groq.com/*",
        "*://aistudio.google.com/*",
        "*://*.aistudio.google.com/*"
      ],
      "js": [
        "src/content.js"
      ],
      "css": [
        "src/bookmark-card.css",
        "src/content.css"
      ],
      "run_at": "document_end"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "llm-navigator@extension",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "options_page": "src/options.html",
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "action": {
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    },
    "default_title": "Etch",
    "default_popup": "src/collections.html"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "domains.json",
        "icons/icon.svg",
        "src/welcome.html",
        "src/welcome.js",
        "src/welcome.css",
        "src/collections.html",
        "src/collections.js",
        "src/bookmark-card.css",
        "src/collections.css",
        "src/options.html",
        "src/options.js",
        "src/options.css"
      ],
      "matches": [
        "*://chatgpt.com/*",
        "*://*.chatgpt.com/*",
        "*://chat.openai.com/*",
        "*://*.chat.openai.com/*",
        "*://gemini.google.com/*",
        "*://*.gemini.google.com/*",
        "*://copilot.microsoft.com/*",
        "*://*.copilot.microsoft.com/*",
        "*://perplexity.ai/*",
        "*://*.perplexity.ai/*",
        "*://claude.ai/*",
        "*://*.claude.ai/*",
        "*://grok.com/*",
        "*://*.grok.com/*",
        "*://chat.mistral.ai/*",
        "*://*.chat.mistral.ai/*",
        "*://poe.com/*",
        "*://*.poe.com/*",
        "*://huggingface.co/*",
        "*://*.huggingface.co/*",
        "*://you.com/*",
        "*://*.you.com/*",
        "*://character.ai/*",
        "*://*.character.ai/*",
        "*://chat.deepseek.com/*",
        "*://*.chat.deepseek.com/*",
        "*://pi.ai/*",
        "*://*.pi.ai/*",
        "*://groq.com/*",
        "*://*.groq.com/*",
        "*://aistudio.google.com/*",
        "*://*.aistudio.google.com/*"
      ]
    }
  ]
}