v0.1.2 - Update-Modal mit Live-Progress + Error-Display

- AppUpdateBanner: dialog statt window.confirm, full Modal-Overlay
- 3 Steps visualisiert: Pre-Backup -> Download -> Installation
  mit animierten Icons (radio_button -> progress_activity (spin) -> check_circle)
- Live-Download-Progress: 'X.X MB / Y.Y MB (NN%)'
- Errors fett im Modal sichtbar mit pre-formatierter Stack
- Console.log fuer jeden Schritt fuer DevTools-Debugging

src-tauri/Cargo.lock

@@ -3567,7 +3567,7 @@ dependencies = [
 
 [[package]]
 name = "rapport-server-app"
-version = "0.1.1"
+version = "0.1.2"
 dependencies = [
  "axum",
  "axum-server",

src-tauri/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "rapport-server-app"
-version = "0.1.1"
+version = "0.1.2"
 edition = "2021"
 authors = ["Karim Gabriele Varano"]
 license = "AGPL-3.0-or-later"

src-tauri/tauri.conf.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://schema.tauri.app/config/2.0.0",
   "productName": "RAPPORT Server",
-  "version": "0.1.1",
+  "version": "0.1.2",
   "identifier": "com.rapport.server-app",
   "build": {
     "beforeDevCommand": "npm run dev",