Refactor settings store to rename proModel to proThinking and update related logic; enhance CSS for energy efficiency and reduced motion preferences; improve i18n translations for better clarity and consistency; modify proBlock utility functions for clearer instruction handling; streamline Vite configuration by removing unnecessary Univer.js dependencies.

backend/main.py

@@ -1,4 +1,4 @@
-import asyncio
+import asyncio
 import base64
 import json
 import logging
@@ -39,15 +39,8 @@ def _get_markitdown():  # pragma: no cover
 
 app = FastAPI()
 
-@app.on_event("startup")  # pragma: no cover
-async def startup_event():
-    logger.info("Starting blocking preload for TTS and ASR models...")
-    try:
-        from tts_asr import _warmup_all
-        await _warmup_all()
-    except Exception as e:
-        logger.warning(f"Failed to initiate model warmup: {e}")
-
+# Startup event disabled — TTS model loads lazily on first request
+# to avoid blocking startup and OOM crashes.
 ACTIVE_COMPLETIONS: dict[str, asyncio.Task] = {}
 ACTIVE_COMPLETIONS_LOCK = asyncio.Lock()