Initial commit: LiveStream Platform

Backend: FastAPI + SQLAlchemy + SQLite
Frontend: React + Vite + Ant Design (serif Anthropic theme)
Media server: MediaMTX with edge node support
Load balancing: round-robin / weighted / least-conn
Multicast detection with automatic fallback
Transcoding support via FFmpeg (configurable quality)
hls.js player with line & quality switching
Admin panel with password auth
Windows compatible scripts

frontend/src/api/streams.ts

@@ -0,0 +1,92 @@
+import api from './client'
+
+export interface StreamInfo {
+  id: number
+  title: string
+  description?: string
+  cover_url?: string
+  stream_key: string
+  status: string
+  scheduled_at?: string
+  started_at?: string
+  ended_at?: string
+  multicast_enabled: boolean
+  created_at: string
+}
+
+export interface StreamCreateReq {
+  title: string
+  description?: string
+  cover_url?: string
+  scheduled_at?: string
+}
+
+export interface WatchInfo {
+  stream_id: number
+  title: string
+  status: string
+  multicast_available: boolean
+  lines: LineInfo[]
+  qualities: QualityInfo[]
+}
+
+export interface LineInfo {
+  node_id: string
+  node_name: string
+  weight: number
+  type: string
+  url: string
+  unicast_fallback?: string
+  qualities: QualityUrl[]
+}
+
+export interface QualityUrl {
+  label: string
+  width: number
+  height: number
+  url: string
+}
+
+export interface QualityInfo {
+  label: string
+  width: number
+  height: number
+}
+
+export async function fetchStreams(): Promise<StreamInfo[]> {
+  const { data } = await api.get('/streams')
+  return data
+}
+
+export async function createStream(req: StreamCreateReq): Promise<{
+  id: number; stream_key: string; rtmp_url: string; status: string
+}> {
+  const { data } = await api.post('/streams', req)
+  return data
+}
+
+export async function getStream(streamId: number): Promise<StreamInfo> {
+  const { data } = await api.get(`/streams/${streamId}`)
+  return data
+}
+
+export async function updateStream(streamId: number, req: Partial<StreamCreateReq>): Promise<void> {
+  await api.put(`/streams/${streamId}`, req)
+}
+
+export async function deleteStream(streamId: number): Promise<void> {
+  await api.delete(`/streams/${streamId}`)
+}
+
+export async function goLive(streamId: number): Promise<void> {
+  await api.post(`/streams/${streamId}/go-live`)
+}
+
+export async function endStream(streamId: number): Promise<void> {
+  await api.post(`/streams/${streamId}/end`)
+}
+
+export async function getWatchUrls(streamId: number): Promise<WatchInfo> {
+  const { data } = await api.get(`/streams/${streamId}/watch`)
+  return data
+}