release: v0.19.0

Release v0.19.0. See the `## [0.19.0] — 2026-09-29` section of
[CHANGELOG.md](https://github.com/ralksta/immich-folio/blob/dev/CHANGELOG.md)
for the full list.

Highlights: client proofing links (#683), custom content pages (#738),
asset picker search (#740), concurrent-edit detection (#742), env-locked
settings (#739), an accessibility baseline (#741), three security fixes
with advisories (#737, #755, #759), and a pre-release quality pass
(#780–#797).

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: ralksta <ralksta@users.noreply.github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Claude Opus 5 <noreply@anthropic.com>
Co-authored-by: Ralf <rohlenbo79@gmail.com>
Co-authored-by: Paul Thies <110185070+ImScheinox@users.noreply.github.com>
Co-authored-by: lancetm714 <108419425+lancetm714@users.noreply.github.com>
Co-authored-by: Lance Martin <lancetaylor95@gmail.com>

app/admin/components/settings/fields.tsx

@@ -9,6 +9,20 @@ import { resolveTheme } from '@/lib/config/theme';
 import type { SettingsYaml } from '@/lib/config/schema';
 import type { Settings } from './types';
 
+/**
+ * The message under an input whose value the site would ignore (`fieldErrors`).
+ * Not a live region: it changes as you type, and announcing every keystroke
+ * would drown the field itself. The input points at it with aria-describedby.
+ */
+export function FieldError({ id, message }: { id: string; message?: string }) {
+  if (!message) return null;
+  return (
+    <p id={id} className="admin-field-hint admin-field-hint--error">
+      {message}
+    </p>
+  );
+}
+
 /**
  * One labelled block of related switches.
  *