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/routes/auth.py

@@ -0,0 +1,31 @@
+import hashlib
+from fastapi import APIRouter, HTTPException, Depends
+from fastapi.responses import JSONResponse
+from config import settings
+
+router = APIRouter(prefix="/api/auth", tags=["auth"])
+
+_tokens: set[str] = set()
+
+
+def hash_password(pw: str) -> str:
+    return hashlib.sha256(f"{pw}:livestream-salt".encode()).hexdigest()
+
+
+ADMIN_HASH = hash_password(settings.admin_password)
+
+
+@router.post("/login")
+async def login(password: str):
+    if hash_password(password) != ADMIN_HASH:
+        raise HTTPException(status_code=401, detail="Invalid password")
+    token = hashlib.sha256(f"{password}:token".encode()).hexdigest()
+    _tokens.add(token)
+    return {"token": token}
+
+
+@router.post("/verify")
+async def verify(token: str):
+    if token not in _tokens:
+        raise HTTPException(status_code=401, detail="Invalid token")
+    return {"valid": True}