Implement Password Grant Flow for Authentication and Enhance User Experience

- Introduced Password Grant Flow for user authentication, allowing direct login with email and password.
- Updated `useAuth` composable to manage login and logout processes, including Single Sign-Out from Cidaas.
- Enhanced user interface with a new `UserMenu` component displaying user information and logout functionality.
- Updated homepage to show personalized greetings for logged-in users and a login prompt for guests.
- Added logout confirmation page with a countdown redirect to the homepage.
- Documented the implementation details and future enhancements for OAuth2 flows in CLAUDE.md and other relevant documentation.
- Added test credentials and guidelines for automated testing in the new TESTING.md file.

pnpm-lock.yaml

@@ -14,6 +14,9 @@ importers:
       '@vee-validate/zod':
         specifier: ^4.15.1
         version: 4.15.1(vue@3.5.22(typescript@5.9.3))(zod@3.25.76)
+      '@vueuse/core':
+        specifier: ^14.0.0
+        version: 14.0.0(vue@3.5.22(typescript@5.9.3))
       class-variance-authority:
         specifier: ^0.7.1
         version: 0.7.1
@@ -1926,12 +1929,25 @@ packages:
   '@vueuse/core@12.8.2':
     resolution: {integrity: sha512-HbvCmZdzAu3VGi/pWYm5Ut+Kd9mn1ZHnn4L5G8kOQTPs/IwIAmJoBrmYk2ckLArgMXZj0AW3n5CAejLUO+PhdQ==}
 
+  '@vueuse/core@14.0.0':
+    resolution: {integrity: sha512-d6tKRWkZE8IQElX2aHBxXOMD478fHIYV+Dzm2y9Ag122ICBpNKtGICiXKOhWU3L1kKdttDD9dCMS4bGP3jhCTQ==}
+    peerDependencies:
+      vue: ^3.5.0
+
   '@vueuse/metadata@12.8.2':
     resolution: {integrity: sha512-rAyLGEuoBJ/Il5AmFHiziCPdQzRt88VxR+Y/A/QhJ1EWtWqPBBAxTAFaSkviwEuOEZNtW8pvkPgoCZQ+HxqW1A==}
 
+  '@vueuse/metadata@14.0.0':
+    resolution: {integrity: sha512-6yoGqbJcMldVCevkFiHDBTB1V5Hq+G/haPlGIuaFZHpXC0HADB0EN1ryQAAceiW+ryS3niUwvdFbGiqHqBrfVA==}
+
   '@vueuse/shared@12.8.2':
     resolution: {integrity: sha512-dznP38YzxZoNloI0qpEfpkms8knDtaoQ6Y/sfS0L7Yki4zh40LFHEhur0odJC6xTHG5dxWVPiUWBXn+wCG2s5w==}
 
+  '@vueuse/shared@14.0.0':
+    resolution: {integrity: sha512-mTCA0uczBgurRlwVaQHfG0Ja7UdGe4g9mwffiJmvLiTtp1G4AQyIjej6si/k8c8pUwTfVpNufck+23gXptPAkw==}
+    peerDependencies:
+      vue: ^3.5.0
+
   abbrev@3.0.1:
     resolution: {integrity: sha512-AO2ac6pjRB3SJmGJo+v5/aK6Omggp6fsLrs6wN9bd35ulu4cCwaAU9+7ZhXjeqHVkaHThLuzH0nZr0YpCDhygg==}
     engines: {node: ^18.17.0 || >=20.5.0}
@@ -7170,14 +7186,27 @@ snapshots:
     transitivePeerDependencies:
       - typescript
 
+  '@vueuse/core@14.0.0(vue@3.5.22(typescript@5.9.3))':
+    dependencies:
+      '@types/web-bluetooth': 0.0.21
+      '@vueuse/metadata': 14.0.0
+      '@vueuse/shared': 14.0.0(vue@3.5.22(typescript@5.9.3))
+      vue: 3.5.22(typescript@5.9.3)
+
   '@vueuse/metadata@12.8.2': {}
 
+  '@vueuse/metadata@14.0.0': {}
+
   '@vueuse/shared@12.8.2(typescript@5.9.3)':
     dependencies:
       vue: 3.5.22(typescript@5.9.3)
     transitivePeerDependencies:
       - typescript
 
+  '@vueuse/shared@14.0.0(vue@3.5.22(typescript@5.9.3))':
+    dependencies:
+      vue: 3.5.22(typescript@5.9.3)
+
   abbrev@3.0.1: {}
 
   abort-controller@3.0.0: