feat: Tauri v2 release workflow and frontend API migration

- Update release workflow with matrix strategy for Linux/macOS/Windows
- Upgrade @tauri-apps/api from v1 to v2 in frontend
- Change all tauri/tauri imports to tauri/core (Tauri v2)
- Sync tauri.conf.json across project root and src-tauri

client/src-ui/package-lock.json

@@ -12,7 +12,7 @@
       },
       "devDependencies": {
         "@sveltejs/vite-plugin-svelte": "^3",
-        "@tauri-apps/api": "^1",
+        "@tauri-apps/api": "^2.10.1",
         "svelte": "^4",
         "svelte-check": "^3",
         "svelte-preprocess": "^5.1.4",
@@ -878,16 +878,11 @@
       }
     },
     "node_modules/@tauri-apps/api": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/@tauri-apps/api/-/api-1.6.0.tgz",
-      "integrity": "sha512-rqI++FWClU5I2UBp4HXFvl+sBWkdigBkxnpJDQUWttNyG7IZP4FwQGhTNL5EOw0vI8i6eSAJ5frLqO7n7jbJdg==",
+      "version": "2.10.1",
+      "resolved": "https://registry.npmjs.org/@tauri-apps/api/-/api-2.10.1.tgz",
+      "integrity": "sha512-hKL/jWf293UDSUN09rR69hrToyIXBb8CjGaWC7gfinvnQrBVvnLr08FeFi38gxtugAVyVcTa5/FD/Xnkb1siBw==",
       "dev": true,
       "license": "Apache-2.0 OR MIT",
-      "engines": {
-        "node": ">= 14.6.0",
-        "npm": ">= 6.6.0",
-        "yarn": ">= 1.19.1"
-      },
       "funding": {
         "type": "opencollective",
         "url": "https://opencollective.com/tauri"