feat(web): add typed API client

web/client/src/lib/api.ts

@@ -0,0 +1,48 @@
+import type { Account, Asset, Conversation, Message, ConfigItem } from '@/types';
+
+const BASE = '/api';
+
+async function request<T>(path: string, options?: RequestInit): Promise<T> {
+  const res = await fetch(`${BASE}${path}`, {
+    headers: { 'Content-Type': 'application/json' },
+    ...options,
+  });
+  if (!res.ok) throw new Error(await res.text());
+  return res.json();
+}
+
+export const api = {
+  // Accounts
+  listAccounts: () => request<Account[]>('/accounts'),
+  getAccount: (id: string) => request<Account>(`/accounts/${id}`),
+  createAccount: (data: Partial<Account>) =>
+    request<Account>('/accounts', { method: 'POST', body: JSON.stringify(data) }),
+  updateAccount: (id: string, data: Partial<Account>) =>
+    request<Account>(`/accounts/${id}`, { method: 'PUT', body: JSON.stringify(data) }),
+  deleteAccount: (id: string) =>
+    request<void>(`/accounts/${id}`, { method: 'DELETE' }),
+
+  // Prompts
+  getPrompt: (accountId: string, type: string) =>
+    request<{ path: string; content: string }>(`/prompts/${accountId}/${type}`),
+  savePrompt: (accountId: string, type: string, content: string) =>
+    request<void>(`/prompts/${accountId}/${type}`, { method: 'PUT', body: JSON.stringify({ content }) }),
+
+  // Conversations
+  listConversations: () => request<Conversation[]>('/pipeline/conversations'),
+  getMessages: (convId: string) => request<Message[]>(`/pipeline/conversations/${convId}/messages`),
+
+  // Assets
+  listAssets: (params?: { accountId?: string; type?: string }) => {
+    const qs = new URLSearchParams();
+    if (params?.accountId) qs.set('accountId', params.accountId);
+    if (params?.type) qs.set('type', params.type);
+    return request<Asset[]>(`/assets?${qs}`);
+  },
+  deleteAsset: (id: string) => request<void>(`/assets/${id}`, { method: 'DELETE' }),
+
+  // Configs
+  getConfigs: () => request<ConfigItem[]>('/configs'),
+  saveConfig: (key: string, value: Record<string, unknown>) =>
+    request<void>(`/configs/${key}`, { method: 'PUT', body: JSON.stringify({ value }) }),
+};