relay: suppress poll re-renders during user actions

Inbox poll continues fetching but skips DOM updates when user is typing,
deleting, or confirming. Quiet mode diffs message IDs to avoid
unnecessary re-renders. Focus/blur tracking on all inputs auto-guards.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

electron/package.json

@@ -1,6 +1,6 @@
 {
   "name": "hyprcrd",
-  "version": "1.3.1",
+  "version": "1.3.2",
   "description": "hyprcrd — self-hosted card manager",
   "main": "main.js",
   "scripts": {