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

start.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+set -e
+
+BASE="/workspace/livestream-platform"
+
+echo "[livestream] Starting services..."
+
+cd "$BASE/mediamtx"
+if pgrep -f "mediamtx mediamtx.yml" > /dev/null; then
+  echo "[livestream] MediaMTX already running."
+else
+  nohup ./mediamtx mediamtx.yml > /tmp/mediamtx.log 2>&1 &
+  sleep 2
+  echo "[livestream] MediaMTX started."
+fi
+
+cd "$BASE/backend"
+if curl -sf http://127.0.0.1:8080/api/health > /dev/null 2>&1; then
+  echo "[livestream] Backend already running."
+else
+  nohup ./venv/bin/python run.py > /tmp/backend.log 2>&1 &
+  sleep 3
+  echo "[livestream] Backend started on :8080."
+fi
+
+cd "$BASE/frontend"
+if curl -sf http://127.0.0.1:5173 > /dev/null 2>&1; then
+  echo "[livestream] Frontend already running."
+else
+  nohup npm run dev > /tmp/frontend.log 2>&1 &
+  sleep 3
+  echo "[livestream] Frontend started on :5173."
+fi
+
+echo "[livestream] All services up."