fix: stabilize renderer state and lifecycle updates

Prevent stale history, account, diagnostics, and language updates from repainting newer state. Keep queue virtualization, panel sizing, telemetry, cancellation, and runtime timing consistent across rapid UI changes. Strengthen painted-frame and lifecycle regression coverage, and brand packaged Windows metadata with the product publisher.

renderer/i18n.js

@@ -682,6 +682,7 @@
           [/^(\d+) Verlaufseintrag wird dauerhaft entfernt\.$/, '$1 history entry will be permanently removed.'],
           [/^(\d+) Verlaufseinträge werden dauerhaft entfernt\.$/, '$1 history entries will be permanently removed.'],
           [/^Aktives Ziel: (.+)$/, 'Active destination: $1'],
+          [/^Erfolgsrate aus den letzten (\d+) Uploads dieses Hosters$/, 'Success rate across this host\'s last $1 uploads'],
           [/^(\d+) Fehler$/, '$1 errors'],
           [/^Gesamt (\d+)$/, 'Total $1'],
           [/^Verbindungen (\d+)$/, 'Connections $1'],
@@ -747,6 +748,7 @@
           [/^Active on port (\d+) — 1 client connected$/, 'Aktiv auf Port $1 — 1 Client verbunden'],
           [/^Active on port (\d+) — (\d+) clients connected$/, 'Aktiv auf Port $1 — $2 Clients verbunden'],
           [/^Active destination: (.+)$/, 'Aktives Ziel: $1'],
+          [/^Success rate across this host's last (\d+) uploads$/, 'Erfolgsrate aus den letzten $1 Uploads dieses Hosters'],
           [/^Running (\d+)$/, 'Läuft $1'],
           [/^Failed (\d+)$/, 'Fehler $1'],
           [/^Update v(.+) available\. Click to install\.$/, 'Update v$1 verfügbar. Klicken zum Installieren.']