Add job application tracker (admin-only)

Full CRUD GraphQL API for tracking job applications with status workflow.
Frontend component in CV view, hidden from print. Login now redirects to
intended route after auth via query param.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

vue/src/views/admin/Login.vue

@@ -1,15 +1,21 @@
 <script setup>
-import { ref, onMounted, computed } from "vue";
+import { ref } from "vue";
+import { useRouter, useRoute } from "vue-router";
 import { useAuthStore } from "@/stores/auth";
 
 import Button from "@/components/input/Button.vue";
 
 const auth = useAuthStore();
+const router = useRouter();
+const route = useRoute();
 const username = ref("");
 const password = ref("");
 
-function handleLogin() {
-    auth.logIn(username.value, password.value);
+async function handleLogin() {
+    await auth.logIn(username.value, password.value);
+    if (auth.loggedIn && route.query.redirect) {
+        router.push(route.query.redirect);
+    }
 }
 
 function handleLogout() {