feat: readable report and host detail layout in web UI (0.9.8)

Field grid for event/host cards, human-readable daily report labels,
and normalized plain-text report bodies.

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

frontend/src/version.ts

@@ -1,4 +1,4 @@
 /** Fallback до загрузки /health; при релизе держите в sync с backend/app/version.py */
 export const APP_NAME = "Security Alert Center";
-export const APP_VERSION = "0.9.7";
+export const APP_VERSION = "0.9.8";
 export const APP_VERSION_LABEL = `${APP_NAME} v.${APP_VERSION}`;