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

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

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

Savestate: Add gemini-3.5-flash-lite and gemini-3.6-flash models to dropdowns and Dynamic Island

Savestate: Implement Two-Step FLUX.1-Fill Inpainting Architecture for Worksheet Solving via Hugging Face Serverless API

Savestate: Ensure default background is standard, not fluid-dark

Savestate: make fluid-dark the default background

Savestate: add dynamic background selection (Fluid Dark)

Savestate: feat: implement top 5 mobile models and native DeepSeek API

Savestate: Filter AI models to only show user requested models, bump version to 1.8.34

Feature: Add Supabase Zero-Knowledge E2E Account Sync

Update independent app to newest state with LFS and binary removals