Examine source code of PromptSync PRO

{
  "manifest_version": 3,
  "name": "PromptSync PRO",
  "version": "3.1.1",
  "description": "Your context, synced with AI. PromptSync automatically injects your goals, preferences, and memory into AI chats — less typing, smarter AI, better results. Works on ChatGPT, Claude, Gemini, Perplexity, and DeepSeek.",
  "permissions": [
    "storage",
    "activeTab",
    "scripting",
    "contextMenus",
    "alarms"
  ],
  "host_permissions": [
    "https://chat.openai.com/*",
    "https://chatgpt.com/*",
    "https://claude.ai/*",
    "https://gemini.google.com/*",
    "https://www.perplexity.ai/*",
    "https://chat.deepseek.com/*"
  ],
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "background": {
    "scripts": [
      "utils/browserApi.js",
      "background/background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "promptsync@ratul.dev",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "commands": {
    "toggle-injection": {
      "suggested_key": {
        "default": "Ctrl+Shift+M",
        "mac": "Command+Shift+M"
      },
      "description": "Toggle memory injection on/off"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://chat.openai.com/*",
        "https://chatgpt.com/*",
        "https://claude.ai/*",
        "https://gemini.google.com/*",
        "https://www.perplexity.ai/*",
        "https://chat.deepseek.com/*"
      ],
      "js": [
        "utils/browserApi.js",
        "vendor/o200k_base.js",
        "storage/storage.js",
        "utils/tokenizer.js",
        "utils/securityGuard.js",
        "utils/commandParser.js",
        "utils/contextEngine.js",
        "content/floatingPanel.js",
        "content/content.js"
      ],
      "css": [
        "content/content.css"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://claude.ai/*"
      ],
      "css": [
        "claude-counter/styles.css"
      ],
      "js": [
        "claude-counter/content/constants.js",
        "claude-counter/content/bridge-client.js",
        "claude-counter/vendor/o200k_base.js",
        "claude-counter/content/tokens.js",
        "claude-counter/content/ui.js",
        "claude-counter/content/main.js"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "claude-counter/injected/bridge.js"
      ],
      "matches": [
        "https://claude.ai/*"
      ]
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  }
}