Use separated client/proxy dev ports across worktrees

apps/yaak-proxy/vite.config.ts

@@ -0,0 +1,16 @@
+import react from "@vitejs/plugin-react";
+import { defineConfig } from "vite";
+
+export default defineConfig({
+  plugins: [react()],
+  build: {
+    outDir: "../../dist/apps/yaak-proxy",
+    emptyOutDir: true,
+  },
+  clearScreen: false,
+  server: {
+    port: parseInt(process.env.YAAK_PROXY_DEV_PORT ?? "2420", 10),
+    strictPort: true,
+  },
+  envPrefix: ["VITE_", "TAURI_"],
+});