Add explicit acting-in-place context

webui/src/api/actingContext.ts

@@ -0,0 +1,31 @@
+import { apiFetch, type ApiSettings } from "@govoplan/core-webui";
+
+export type ActingContext = {
+  assignment_id: string;
+  acting_for_account_id: string;
+  function_id: string;
+  organization_unit_id: string;
+  valid_from?: string | null;
+  valid_until?: string | null;
+};
+
+export type ActingContextList = {
+  contexts: ActingContext[];
+  active_assignment_id?: string | null;
+};
+
+export function fetchActingContexts(settings: ApiSettings): Promise<ActingContextList> {
+  return apiFetch<ActingContextList>(settings, "/api/v1/auth/acting-contexts", {
+    cache: "no-store"
+  });
+}
+
+export function switchActingContext(
+  settings: ApiSettings,
+  assignmentId: string | null
+): Promise<ActingContextList> {
+  return apiFetch<ActingContextList>(settings, "/api/v1/auth/switch-acting-context", {
+    method: "POST",
+    body: JSON.stringify({ assignment_id: assignmentId })
+  });
+}