Discard stale model/, keras_model.h5, monolithic Alpaca file; 6-class placeholder labels

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: chvvkumar

alpaca_safety_monitor.py

@@ -1,6 +1,5 @@
 Clear
-Lightning
-Meteors
+Mostly Cloudy
 Overcast
 Partly Cloudy
 Rain