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

src/ui/lib/linked-server.ts

@@ -0,0 +1,50 @@
+import { isElectron } from "@/lib/electron";
+import { authApi } from "@/main-axios";
+import { SYNC_CHANGED_EVENT } from "@/lib/sync-events";
+
+export { SYNC_CHANGED_EVENT };
+
+/** The server this desktop is linked to, and the session it syncs with. */
+export interface LinkedSession {
+  serverUrl: string;
+  token: string;
+}
+
+const CACHE_MS = 60_000;
+let cached: { at: number; value: LinkedSession | null } | null = null;
+let inflight: Promise<LinkedSession | null> | null = null;
+
+if (typeof window !== "undefined") {
+  window.addEventListener(SYNC_CHANGED_EVENT, () => {
+    cached = null;
+  });
+}
+
+/** Null on the web, or when this desktop is not linked or signed out. */
+export async function getLinkedSession(): Promise<LinkedSession | null> {
+  if (!isElectron()) return null;
+  if (cached && Date.now() - cached.at < CACHE_MS) return cached.value;
+  if (!inflight) {
+    inflight = authApi
+      .get("/sync/link/session")
+      .then((response) => {
+        const { serverUrl, token } = response.data ?? {};
+        const value =
+          typeof serverUrl === "string" && typeof token === "string"
+            ? { serverUrl: serverUrl.replace(/\/$/, ""), token }
+            : null;
+        cached = { at: Date.now(), value };
+        return value;
+      })
+      .catch(() => null)
+      .finally(() => {
+        inflight = null;
+      });
+  }
+  return inflight;
+}
+
+export function notifySyncChanged(): void {
+  cached = null;
+  window.dispatchEvent(new CustomEvent(SYNC_CHANGED_EVENT));
+}