Deployment sequence initiated for version 1.5.5. This transmission contains critical updates to the core engine and agentic capabilities.

Fix OCR pre-warming error by calling _ensure_rapidocr_reader
Update settings, documentation, and requirements to transition fully to RapidOCR
Fix TTS thread crashes in voice_manager by validating SAPI5 COM dispatch at startup and implementing config setters in PyTTSX3 fallback
Fix missing release highlights when up-to-date and system tray update check behavior when minimized

v1.5.5 - Fix OCR Reader, TTS Thread stability, and Update Page UI