feat: Add login page with dynamic RGB effects and password toggle functionality

feat: Implement package management utilities with JSON endpoints for listing and uninstalling packages

feat: Create plugin management utilities with endpoints for listing, configuring, and installing plugins

feat: Develop schedule and trigger management utilities with CRUD operations for schedules and triggers

epd_manager.py

@@ -1,11 +1,4 @@
-"""
-EPD Manager - singleton wrapper around Waveshare drivers.
-Hardened for runtime stability:
-- no per-operation worker-thread timeouts (prevents leaked stuck SPI threads)
-- serialized SPI access
-- bounded retry + recovery
-- health metrics for monitoring
-"""
+"""epd_manager.py - Singleton wrapper around Waveshare EPD drivers with serialized SPI access."""
 
 import importlib
 import threading