feat: initialize drainage network frontend

features/agent/api/swr.ts

@@ -0,0 +1,32 @@
+import type {
+  AgentApiClient,
+  AgentChatSessionSummary,
+  AgentModelOption
+} from "./client";
+import { parseUiRegistry, type UIRegistry } from "../ui-envelope";
+
+export const agentBootstrapKey = ["agent", "bootstrap"] as const;
+export const agentSessionsKey = ["agent", "sessions"] as const;
+
+export type AgentBootstrapData = {
+  registry: UIRegistry | null;
+  models: AgentModelOption[];
+  defaultModel: string;
+};
+
+export async function fetchAgentBootstrap(client: AgentApiClient): Promise<AgentBootstrapData> {
+  const [rawRegistry, modelsResponse] = await Promise.all([
+    client.getUiRegistry(),
+    client.getModels()
+  ]);
+
+  return {
+    registry: parseUiRegistry(rawRegistry),
+    models: modelsResponse.models,
+    defaultModel: modelsResponse.defaultModel
+  };
+}
+
+export async function fetchAgentSessions(client: AgentApiClient): Promise<AgentChatSessionSummary[]> {
+  return client.listSessions();
+}