feat: rebuild desktop sync as linked server accounts, fix packaged plugin bundles and UI scaling

src/backend/updates/desktop-update-check.ts

@@ -0,0 +1,65 @@
+/**
+ * Tells desktop users a newer release is out, through the alerts inbox
+ * rather than a dialog that blocks the app from opening.
+ */
+
+import { sendCoreAlert } from "../notify/core-notify.js";
+import { getLocalVersion } from "../utils/app-version.js";
+import { compareSemver, fetchLatestRelease } from "../utils/latest-release.js";
+import { systemLogger } from "../utils/logger.js";
+import {
+  createCurrentUserPreferenceRepository,
+  createCurrentUserRepository,
+} from "../database/repositories/factory.js";
+
+const CHECK_EVERY_MS = 12 * 60 * 60 * 1000;
+const FIRST_CHECK_MS = 60 * 1000;
+
+let timer: NodeJS.Timeout | null = null;
+
+/** Whether every local user turned the update check off. */
+async function checkDisabled(): Promise<boolean> {
+  const users = await createCurrentUserRepository().listAll();
+  if (users.length === 0) return false;
+  const preferences = createCurrentUserPreferenceRepository();
+  for (const user of users) {
+    const row = await preferences.findByUserId(user.id);
+    if (!row?.disableUpdateCheck) return false;
+  }
+  return true;
+}
+
+export async function checkForDesktopUpdate(): Promise<void> {
+  const current = getLocalVersion();
+  if (!current || (await checkDisabled())) return;
+
+  const latest = await fetchLatestRelease();
+  if (!latest) return;
+  const comparison = compareSemver(current, latest.version);
+  if (comparison === null || comparison >= 0) return;
+
+  await sendCoreAlert({
+    title: `Termix ${latest.version} is available`,
+    body: `You are on ${current}. Download the new version to update.`,
+    severity: "info",
+    category: "termix.update",
+    dedupeKey: `update:${latest.version}`,
+    audience: "admins",
+    link: { url: latest.url },
+    context: { value: latest.version },
+  });
+}
+
+export function startDesktopUpdateCheck(): void {
+  if (timer) return;
+  const run = () =>
+    void checkForDesktopUpdate().catch((error) => {
+      systemLogger.warn("Update check failed", {
+        operation: "desktop_update_check",
+        error: error instanceof Error ? error.message : String(error),
+      });
+    });
+  setTimeout(run, FIRST_CHECK_MS).unref?.();
+  timer = setInterval(run, CHECK_EVERY_MS);
+  timer.unref?.();
+}