Move OIDC login page to /auth/wiki-login to avoid catch-all conflict

The /oidc/[...] server catch-all was intercepting /oidc/login before
the Nuxt page router could render it. Moving the page outside /oidc/
avoids the conflict entirely.

app/pages/auth/wiki-login.vue

@@ -0,0 +1,96 @@
+<script setup lang="ts">
+definePageMeta({
+  layout: false,
+});
+
+const route = useRoute();
+const uid = route.query.uid as string;
+
+const email = ref("");
+const sent = ref(false);
+const loading = ref(false);
+const error = ref("");
+
+async function sendMagicLink() {
+  if (!email.value || !uid) return;
+  loading.value = true;
+  error.value = "";
+
+  try {
+    await $fetch("/oidc/interaction/login", {
+      method: "POST",
+      body: { email: email.value, uid },
+    });
+    sent.value = true;
+  } catch (e: any) {
+    error.value = e?.data?.statusMessage || "Something went wrong. Please try again.";
+  } finally {
+    loading.value = false;
+  }
+}
+</script>
+
+<template>
+  <div class="min-h-screen flex items-center justify-center bg-gray-50 px-4">
+    <div class="w-full max-w-sm">
+      <div class="bg-white rounded-lg shadow-md p-8">
+        <div class="text-center mb-6">
+          <h1 class="text-2xl font-bold text-gray-900">Ghost Guild Wiki</h1>
+          <p class="mt-2 text-sm text-gray-600">
+            Sign in with your Ghost Guild account
+          </p>
+        </div>
+
+        <template v-if="!sent">
+          <form @submit.prevent="sendMagicLink" class="space-y-4">
+            <div>
+              <label for="email" class="block text-sm font-medium text-gray-700 mb-1">
+                Email address
+              </label>
+              <input
+                id="email"
+                v-model="email"
+                type="email"
+                required
+                placeholder="you@example.com"
+                class="w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:ring-2 focus:ring-blue-500 focus:border-blue-500 text-sm"
+                :disabled="loading"
+              />
+            </div>
+
+            <p v-if="error" class="text-sm text-red-600">{{ error }}</p>
+
+            <button
+              type="submit"
+              :disabled="loading || !email"
+              class="w-full py-2 px-4 bg-blue-600 text-white text-sm font-medium rounded-md hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-blue-500 focus:ring-offset-2 disabled:opacity-50 disabled:cursor-not-allowed"
+            >
+              {{ loading ? "Sending..." : "Send magic link" }}
+            </button>
+          </form>
+
+          <p class="mt-4 text-xs text-center text-gray-500">
+            We'll send a sign-in link to your email.
+          </p>
+        </template>
+
+        <template v-else>
+          <div class="text-center space-y-3">
+            <div class="text-4xl">✉️</div>
+            <h2 class="text-lg font-semibold text-gray-900">Check your email</h2>
+            <p class="text-sm text-gray-600">
+              We sent a sign-in link to <strong>{{ email }}</strong>.
+              Click the link in the email to continue.
+            </p>
+            <button
+              @click="sent = false; email = '';"
+              class="mt-4 text-sm text-blue-600 hover:text-blue-800"
+            >
+              Use a different email
+            </button>
+          </div>
+        </template>
+      </div>
+    </div>
+  </div>
+</template>