docs: Update architecture for supabase

test: Add tests for auth workflow

package.json

@@ -10,7 +10,8 @@
     "postinstall": "nuxt prepare",
     "typecheck": "nuxt typecheck",
     "test": "vitest run",
-    "test:watch": "vitest"
+    "test:watch": "vitest",
+    "test:integration": "vitest run --config vitest.integration.config.ts"
   },
   "engines": {
     "node": ">=22"
@@ -31,7 +32,10 @@
     "vue-router": "^5.0.3"
   },
   "devDependencies": {
+    "@nuxt/test-utils": "^4.0.2",
     "@vite-pwa/nuxt": "^1.1.1",
+    "@vue/test-utils": "^2.4.6",
+    "happy-dom": "^20.8.9",
     "sass-embedded": "^1.98.0",
     "supabase": "^2.84.4",
     "vitest": "^4.1.0",