Examine source code of Fresh Tomato - A Productivity tools

{
  "manifest_version": 3,
  "name": "Fresh Tomato",
  "version": "6.28.0",
  "description": "An ADHD-friendly Pomodoro timer with habits, lined notes, prayer tracker, day planner, About page with release notes and gentle insights. Local-only, no tracking.",
  "author": "Fresh Tomato Contributors",
  "homepage_url": "https://github.com/fresh-tomato/fresh-tomato",
  "browser_specific_settings": {
    "gecko": {
      "id": "fresh-tomato@fresh-tomato.app",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "64": "icons/icon-64.png",
    "128": "icons/icon-128.png"
  },
  "action": {
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "64": "icons/icon-64.png"
    },
    "default_title": "Fresh Tomato",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data: https://icons.duckduckgo.com https://www.google.com; connect-src 'self' https://icons.duckduckgo.com https://www.google.com; default-src 'self'"
  },
  "permissions": [
    "storage",
    "alarms",
    "notifications",
    "tabs",
    "contextMenus",
    "idle",
    "scripting"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "highlighter.js"
      ],
      "run_at": "document_idle",
      "all_frames": false
    }
  ],
  "commands": {
    "open-popup-or-dashboard": {
      "suggested_key": {
        "default": "Ctrl+Shift+L",
        "mac": "Command+Shift+L"
      },
      "description": "Open Fresh Tomato"
    },
    "toggle-timer": {
      "suggested_key": {
        "default": "Ctrl+Shift+T",
        "mac": "Command+Shift+T"
      },
      "description": "Start or pause the focus timer"
    },
    "add-task": {
      "suggested_key": {
        "default": "Ctrl+Shift+F",
        "mac": "Command+Shift+F"
      },
      "description": "Open Quick Capture to add a task"
    },
    "complete-current-task": {
      "description": "Complete the current focus task"
    },
    "skip-timer": {
      "description": "Skip the current timer session"
    },
    "start-focus-mode": {
      "description": "Enter focus mode for the current task"
    }
  }
}