Examine source code of PrecisePrompt

{
  "manifest_version": 2,
  "name": "PrecisePrompt",
  "version": "0.0.19",
  "description": "Enhance your AI prompts with precision and context. AI-powered prompt assistant for ChatGPT, Claude, and more",
  "applications": {
    "gecko": {
      "id": "preciseprompt@preciseprompt.app",
      "strict_min_version": "109.0"
    }
  },
  "permissions": [
    "storage",
    "activeTab",
    "https://chat.openai.com/*",
    "https://claude.ai/*",
    "https://chat.deepseek.com/*",
    "https://gemini.google.com/*"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "content.css"
      ],
      "run_at": "document_end"
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "web_accessible_resources": [
    "icons/*"
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  }
}