Savestate: Update DeepSeek v4 Flash ID to static 0731 version to resolve OpenRouter 400 error

Savestate: Update model display names to DeepSeek v4 Flash and Pro

Savestate: Revert DeepSeek v4 models to use -latest suffix and re-enable ZDR data_collection deny for cache discount security

Savestate: Update DeepSeek v4 config for caching and disable ZDR

Savestate: Add OpenRouter DeepSeek V4 models and increment build version

fix: pass OPENROUTER_API_KEY in start.sh

Feat: Implement invisible pending queue for quick settings modal to allow background processing without blocking UI

Feat: Run AI correction and enrichment directly inside the vocabulary modal flow before saving to the database

Revert fallback deck logic: strictly use Schnelleingabe deck as requested

Fix: Correct db update method, iterate all decks, respect user's custom deck

Feat: Auto-show keyboard when vocabulary modal opens via Capacitor Keyboard Plugin

Feat: Add DeepL Free API integration for instant translation with background AI enrichment using Gemini 3.1 Flash Lite

Perf: Shorten overlay success screen timeout to 1s

Fix: Call getCardsForDeck instead of getFlashcards

Feat: Prevent adding duplicate vocabulary words in Schnelleingabe

Feat: Auto-correct user input in Schnelleingabe if AI detects a typo

Feat: Implement transparent Capacitor overlay mode for Quick Settings Tile

Fix: Make Quick Settings Tile open main app with live preview, fix App Shortcut race condition, and fix modal CSS loading

Savestate: Implement 2-step translate-and-add button flow in Schnelleingabe

Savestate: Implement live preview for Schnelleingabe translation

Savestate: Show AI translation in Schnelleingabe success popup

Savestate: Replace window.speechSynthesis with Capacitor TextToSpeech plugin to fix crash on Android

Savestate: Fix undefined property deck.name to deck.title

Savestate: Add TTS speaker button to flashcards

Savestate: Fix flashcard cutting off bug

Savestate: Fix chat history loading and lag

Savestate: Remove preset swatches, fix canvas drag interference in color picker

Savestate: Replace RGB sliders with HSV square color picker

Fix: Fallback color for folder popover when dataset.color is undefined

Savestate: Add RGB sliders and hex input to folder color picker

Savestate: Replace native color picker with custom swatch palette

Savestate: Fix folder edit btn + child file clip-path clipping

Savestate: Implement E2E encrypted flashcard sync with Supabase backend

Savestate: Prevent scrolling in Study Mode to fix awkward top gap offset

Savestate: Update AI prompts for QuickAdd to generate images, explanations and examples

Savestate: Fix syntax error in pull-to-refresh JS

Savestate: Add pull-to-refresh logic in LearnView as fallback for background queue sync

Savestate: Add auto-correction instruction for phonetic spelling mistakes to AI prompts

Savestate: Make Flashcards UI auto-refresh when background sync completes

Savestate: Fix JavaScript template syntax error and QuickSettings Tile Intent handling in MainActivity

Savestate: Frontend Routing & Vokabel-Schnelleingabe Modal implementiert

Savestate: Implement Android 13 Quick Settings Tile for quick vocabulary add

Savestate: Implement comprehensive dark mode design system for 40+ file types with true content previews

Savestate: Replace mask-image with clip-path and vault-file-bg for absolute cross-browser corner clipping

Savestate: Fix mask-image clipping in Safari using translateZ and move fold out of masked parent

Savestate: Fix iOS Safari backdrop-filter clipping bug natively by avoiding transform zoom on hero folder

Savestate: Implement detailed BMW invoice skeleton matching Apple Files reference

Savestate: Translate timeline to German and match Apple Files document aesthetics by hiding names

Savestate: Fix iOS Safari backdrop-filter clipping bug and adjust title margin

Savestate: Fix hero folder icon proportions by matching grid baseline width