Examine source code of Mood Journal PM

{
  "manifest_version": 2,
  "name": "Mood Journal",
  "version": "1.3",
  "description": "A simple mood journaling extension — record mood, notes, tags; view history; export or clear entries. Data stored locally.",
  "icons": {
    "32": "icons/logo_32.png",
    "64": "icons/logo_64.png",
    "128": "icons/logo_128.png"
  },
  "permissions": [
    "storage",
    "alarms",
    "notifications",
    "activeTab"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_title": "Mood Journal",
    "default_popup": "popup.html"
  },
  "options_ui": {
    "page": "popup.html",
    "open_in_tab": false
  },
  "data_collection_permissions": {
    "data_collected": [
      "Timestamped mood entries (rating, note, tags).",
      "User settings (daily reminder preference and time)."
    ],
    "purpose": "Store user mood journal entries locally to review history, export, and receive optional daily reminders.",
    "third_party_sharing": "None. All data is stored locally unless user explicitly exports it.",
    "user_control": "Users can view, export, and delete entries; they can enable/disable reminders and clear settings."
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "@Mood-Journal",
      "data_collection_permissions": {
        "required": [
          "locationInfo"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    }
  }
}