fix: RDG event label and prefix type filter (0.3.2)

Use event 302/303 instead of Win302 in RDG titles. Match event types by prefix in events list (e.g. rdg.connection).

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/app/version.py

@@ -1,5 +1,5 @@
 """Единый источник версии SAC (API, health, логи, OpenAPI)."""
 
 APP_NAME = "Security Alert Center"
-APP_VERSION = "0.3.1"
+APP_VERSION = "0.3.2"
 APP_VERSION_LABEL = f"{APP_NAME} v.{APP_VERSION}"