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>

lib/install.ts

@@ -125,8 +125,13 @@ interface InstallFileData {
 
 let cachedInstallFile: { path: string; mtimeMs: number; data: InstallFileData } | null = null;
 
+/** Where install.json lives; getConfig() watches its mtime. */
+export function installFilePath(): string {
+  return path.join(installContentDir(), INSTALL_FILENAME);
+}
+
 function readInstallFile(): InstallFileData {
-  const installPath = path.join(installContentDir(), INSTALL_FILENAME);
+  const installPath = installFilePath();
 
   let mtimeMs = 0;
   try {