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/fields/EnvLockNote.tsx

@@ -0,0 +1,20 @@
+import { IconLock } from '../Icons';
+
+/**
+ * The note under a field an environment variable overrides (#605). The field
+ * itself is rendered disabled by its section; this names the variable, so the
+ * operator knows where the value actually lives. Never shows the value.
+ */
+export default function EnvLockNote({ id, variable }: { id?: string; variable: string }) {
+  return (
+    <p id={id} className="admin-env-lock">
+      <span className="admin-env-lock-pill">
+        <IconLock size={11} /> Locked
+      </span>
+      <span>
+        Set by <code>{variable}</code> in the environment. Change or unset it there; edits here
+        would have no effect.
+      </span>
+    </p>
+  );
+}