feat(history): establish Telegram SaaS platform foundation

src/services/api/channels.ts

@@ -17,6 +17,22 @@ export function connectChannel(payload: {
   return http.post<ChannelConnection>('/api/channels/connect', payload)
 }
 
+export function startTelegramLogin(phone: string) {
+  return http.post<ChannelConnection>('/api/channels/telegram/start', { phone })
+}
+
+export function submitTelegramCode(channelId: string, code: string) {
+  return http.post<{ status: string; channel: ChannelConnection }>(`/api/channels/telegram/${channelId}/code`, { code })
+}
+
+export function submitTelegramPassword(channelId: string, password: string) {
+  return http.post<{ status: string; channel: ChannelConnection }>(`/api/channels/telegram/${channelId}/password`, { password })
+}
+
+export function syncTelegramChannel(channelId: string) {
+  return http.post<{ chats: number; messages: number }>(`/api/channels/${channelId}/sync`)
+}
+
 /** POST /api/channels/test */
 export function testChannel(id: string) {
   return http.post<{ success: boolean; latencyMs: number; message: string }>('/api/channels/test', { id })