Add dark mode: shared theme system, toggle in sidebar, applied to Sidebar/TherapistInput/PracticeScreen/ResultScreen/CharacterSelect

Add interactive spotlight walkthrough for first-time users, floating replay button

Add CharacterBackdrop to Result, Practice, TherapistInput, and Drill screens

fix React error 310 - move body style to useEffect

fix character voice for speak/word endpoint

fix t naming conflict in PracticeScreen

complete Hindi/Kannada translation: all UI strings, tips, phoneme cards

fix displayPhoneme object rendering error

indic phoneme display + translated feedback + ResultScreen i18n

pass language to speak/word endpoint from frontend

fix Hindi/Kannada TTS romanization, CharacterSelect i18n, IPA phoneme display

fix Hindi/Kannada image lookup + i18n PracticeScreen

pair slide for color+noun, vector pixabay, serialize image_bytes_2

carousel image viewer, disable pixabay for colors

carousel image viewer + better pixabay quality

friendly phoneme display with ARPAbet mapping

add character switcher to PracticeScreen

redesign PracticeScreen with pastel themes

Fix API URLs for HF backend

add phoneme practice mode

point frontend to HF Space backend

Indian accent TTS, phoneme evaluator, image scraping fallback, character voices

Indian accent voices, tempo slowdown, volume fixes

frontend components complete, voice system working

initial commit - backend complete, frontend scaffolded