v1.0.4 — Side panel support for Firefox

Side panel now works in Firefox, matching the Chrome experience for subtitle navigation, mining, and dictionary lookups
Fixed keyboard shortcut to toggle the side panel (_execute_sidebar_action) on Firefox
Various stability improvements

v1.0.3 — Performance, dictionary and synchronization improvements

Complete dictionary redesign: chunked IndexedDB engine with O(1) hash map lookups, full field preservation (IPA, CEFR, POS, frequency, synonyms), and updated badge user interface
Fixed content-script to background proxy flow restoring dictionary queries
Significant performance improvements: lazy popup mount, DOM tree walker node limits, debounced subtree observer coalescing, and instant word colorizer painting
Updated user interface: Shadow DOM compatible with Tailwind v4, wider popup, native color pickers, and simplified tab labels
Fixed synchronization with the main web application and the translation bridge
Added missing translations for it, pt_BR, zh_CN
Various stability and compatibility fixes