background.js

// Background script placeholder for Escape Hatch
// Currently not strictly required but kept for simple storage tasks or future messaging.

chrome.runtime.onInstalled.addListener(() => {
  // Ensure default settings exist
  chrome.storage.sync.get(['enabled', 'customPhrases'], (res) => {
    if (typeof res.enabled === 'undefined') {
      // Default to disabled; users must enable the extension explicitly
      chrome.storage.sync.set({ enabled: false });
    }
    // If user has no custom phrases saved, populate them with defaults.json so defaults are active by default
    if (!Array.isArray(res.customPhrases) || !res.customPhrases.length) {
      const url = chrome.runtime.getURL('defaults.json');
      fetch(url).then(r => r.json()).then(defs => {
        if (Array.isArray(defs) && defs.length) {
          chrome.storage.sync.set({ customPhrases: defs });
        }
      }).catch(() => {
        // On error, ensure at least an empty array
        chrome.storage.sync.set({ customPhrases: [] });
      });
    }
  });
});