Initial public release

packages/ui/src/lib/configSync.ts

@@ -0,0 +1,62 @@
+export type ConfigChangeScope = "agents" | "providers" | "commands" | "all";
+
+export interface ConfigChangeEvent {
+  scopes: ConfigChangeScope[];
+  source?: string;
+  timestamp: number;
+}
+
+type ConfigChangeListener = (event: ConfigChangeEvent) => void | Promise<void>;
+
+const listeners = new Set<ConfigChangeListener>();
+
+export function subscribeToConfigChanges(
+  listener: ConfigChangeListener,
+): () => void {
+  listeners.add(listener);
+  return () => {
+    listeners.delete(listener);
+  };
+}
+
+export function emitConfigChange(
+  scopes: ConfigChangeScope | ConfigChangeScope[],
+  options?: { source?: string },
+): void {
+  const normalized = Array.isArray(scopes) ? scopes : [scopes];
+  const uniqueScopes = Array.from(new Set(normalized));
+
+  if (uniqueScopes.length === 0) {
+    return;
+  }
+
+  if (uniqueScopes.includes("all")) {
+    uniqueScopes.splice(0, uniqueScopes.length, "all");
+  }
+
+  const event: ConfigChangeEvent = {
+    scopes: uniqueScopes,
+    source: options?.source,
+    timestamp: Date.now(),
+  };
+
+  for (const listener of listeners) {
+    try {
+      const result = listener(event);
+      if (result instanceof Promise) {
+        result.catch((error) => {
+          console.error("[ConfigSync] Async listener failed:", error);
+        });
+      }
+    } catch (error) {
+      console.error("[ConfigSync] Listener threw:", error);
+    }
+  }
+}
+
+export function scopeMatches(
+  event: ConfigChangeEvent,
+  scope: ConfigChangeScope,
+): boolean {
+  return event.scopes.includes("all") || event.scopes.includes(scope);
+}