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"

client/src-ui/package.json

@@ -11,7 +11,7 @@
   },
   "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",

client/src-ui/src/App.svelte

@@ -34,7 +34,7 @@
 
     if (isTauri()) {
       try {
-        const { invoke } = await import('@tauri-apps/api/tauri');
+        const { invoke } = await import('@tauri-apps/api/core');
         const user: string | null = await invoke('get_current_user');
         if (user) {
           loggedIn = true;

client/src-ui/src/lib/api.ts

@@ -106,7 +106,7 @@ function clearToken() {
 }
 
 async function tauriInvoke(cmd: string, args: Record<string, unknown>): Promise<any> {
-  const { invoke } = await import('@tauri-apps/api/tauri');
+  const { invoke } = await import('@tauri-apps/api/core');
   return invoke(cmd, args);
 }
 
@@ -483,7 +483,7 @@ export async function uploadFile(roomId: string, file: File): Promise<UploadResu
   formData.append('file', file);
 
   if (isTauri()) {
-    const { invoke } = await import('@tauri-apps/api/tauri');
+    const { invoke } = await import('@tauri-apps/api/core');
     const arrayBuffer = await file.arrayBuffer();
     const bytes = Array.from(new Uint8Array(arrayBuffer));
     return invoke('upload_file', { roomId, fileName: file.name, mimeType: file.type, bytes });
@@ -533,7 +533,7 @@ export async function uploadAvatar(file: File): Promise<UserProfile> {
   formData.append('file', file);
 
   if (isTauri()) {
-    const { invoke } = await import('@tauri-apps/api/tauri');
+    const { invoke } = await import('@tauri-apps/api/core');
     const arrayBuffer = await file.arrayBuffer();
     const bytes = Array.from(new Uint8Array(arrayBuffer));
     return invoke('upload_avatar', { fileName: file.name, mimeType: file.type, bytes });
@@ -571,7 +571,7 @@ export async function setRoomAvatar(roomId: string, file: File): Promise<boolean
   formData.append('file', file);
 
   if (isTauri()) {
-    const { invoke } = await import('@tauri-apps/api/tauri');
+    const { invoke } = await import('@tauri-apps/api/core');
     const arrayBuffer = await file.arrayBuffer();
     const bytes = Array.from(new Uint8Array(arrayBuffer));
     return invoke('set_room_avatar', { roomId, fileName: file.name, mimeType: file.type, bytes });