Initial commit: KiraTV IPTV proxy server

Full-stack IPTV management system with Xtream Codes API compatibility,
multi-account provider fan-out, Jellyfin local library integration,
real-time dashboard, EPG support, and A/V-sync-safe stream recovery.

backend/models/log.py

@@ -0,0 +1,19 @@
+from sqlalchemy import Column, Integer, BigInteger, String, DateTime, func
+from ..database import Base
+
+
+class ConnectionLog(Base):
+    __tablename__ = "connection_logs"
+
+    id = Column(BigInteger, primary_key=True, index=True)
+    user_id = Column(Integer, nullable=False, index=True)
+    username = Column(String(200), nullable=False, index=True)
+    channel_id = Column(Integer, nullable=True)
+    channel_name = Column(String(500), nullable=True)
+    content_type = Column(String(20), nullable=True)   # live, movie, series
+    stream_id = Column(String(100), nullable=True)
+    started_at = Column(DateTime(timezone=True), server_default=func.now(), index=True)
+    ended_at = Column(DateTime(timezone=True), nullable=True)
+    duration_seconds = Column(Integer, nullable=True)
+    bytes_transferred = Column(BigInteger, default=0, nullable=False)
+    client_ip = Column(String(100), nullable=True)