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

backend/config.py

@@ -0,0 +1,37 @@
+from pydantic_settings import BaseSettings
+from typing import Literal
+
+
+class Settings(BaseSettings):
+    database_url: str = "sqlite+aiosqlite:///./data.db"
+    admin_password: str = "admin123"
+
+    media_origin_host: str = "127.0.0.1"
+    media_origin_rtmp_port: int = 1935
+    media_origin_api_port: int = 9997
+    media_origin_hls_port: int = 8888
+
+    edge_nodes: list[dict] = [
+        {"id": "edge-1", "name": "Edge Node 1", "host": "127.0.0.1",
+         "hls_port": 8889, "api_port": 9998, "weight": 100, "enabled": True},
+        {"id": "edge-2", "name": "Edge Node 2", "host": "127.0.0.1",
+         "hls_port": 8890, "api_port": 9999, "weight": 50, "enabled": True},
+    ]
+
+    load_balance_strategy: Literal["round-robin", "weighted", "least-conn"] = "weighted"
+
+    qualities: list[dict] = [
+        {"label": "1080p", "width": 1920, "height": 1080, "bitrate": "5000k"},
+        {"label": "720p", "width": 1280, "height": 720, "bitrate": "2500k"},
+        {"label": "480p", "width": 854, "height": 480, "bitrate": "1000k"},
+        {"label": "360p", "width": 640, "height": 360, "bitrate": "600k"},
+    ]
+
+    multicast_enabled: bool = True
+    multicast_address_base: str = "239.0.0.1"
+    multicast_port_base: int = 5000
+
+    model_config = {"env_prefix": "LS_"}
+
+
+settings = Settings()