Move passkey login below the email sign-in form

The divider now sits between the email form and the passkey button,
rather than between the passkey button and the form.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

web/README.md

@@ -117,9 +117,9 @@ There is no password and no separate sign-up — `LoginView` is an email field
 and a "Send sign-in link" button (`POST /api/auth/magic-link`), for a new
 address or a returning one alike. On success it shows a "check your email"
 message; it does not sign the caller in itself. If the browser supports
-WebAuthn, a **"Log in with a passkey"** button sits above the form (see
-[Passkeys](#passkeys)) — that one *does* sign the caller in directly, no email
-round trip.
+WebAuthn, a **"Log in with a passkey"** button sits below the form, past a
+divider (see [Passkeys](#passkeys)) — that one *does* sign the caller in
+directly, no email round trip.
 
 - `/verify-email?token=…` is the target for every magic link (sign-in and
   email-change confirmation both). `VerifyEmailView` POSTs the token via

web/src/views/LoginView.vue

@@ -55,15 +55,6 @@ async function onPasskeyLogin() {
   <section class="card">
     <h1>Log in</h1>
 
-    <template v-if="passkeySupported">
-      <button type="button" class="btn-primary" :disabled="passkeySubmitting" @click="onPasskeyLogin">
-        {{ passkeySubmitting ? 'Waiting for your passkey…' : 'Log in with a passkey' }}
-      </button>
-      <p v-if="passkeyError" class="form-error">{{ passkeyError }}</p>
-
-      <div class="divider"><span>or</span></div>
-    </template>
-
     <p class="muted">
       Enter your email and we'll send you a link to sign in — no password
       needed. New here? The same link creates your account.
@@ -93,5 +84,14 @@ async function onPasskeyLogin() {
         {{ submitting ? 'Sending…' : 'Send sign-in link' }}
       </button>
     </form>
+
+    <template v-if="passkeySupported">
+      <div class="divider"><span>or</span></div>
+
+      <button type="button" class="btn-primary" :disabled="passkeySubmitting" @click="onPasskeyLogin">
+        {{ passkeySubmitting ? 'Waiting for your passkey…' : 'Log in with a passkey' }}
+      </button>
+      <p v-if="passkeyError" class="form-error">{{ passkeyError }}</p>
+    </template>
   </section>
 </template>