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/config.py

@@ -0,0 +1,34 @@
+from pydantic_settings import BaseSettings
+from functools import lru_cache
+
+
+class Settings(BaseSettings):
+    database_url: str = "postgresql+asyncpg://kirastream:kirastream_secret_2024@localhost/kirastream"
+    redis_url: str = "redis://localhost:6379/0"
+    secret_key: str = "kirastream-super-secret-change-in-production-2024"
+    algorithm: str = "HS256"
+    access_token_expire_minutes: int = 60 * 24 * 7  # 7 days
+
+    admin_username: str = "admin"
+    admin_password: str = "kiraadmin"
+
+    stream_chunk_size: int = 65536  # 64 KB chunks
+    stream_queue_maxsize: int = 100
+    stream_connect_timeout: int = 10
+    stream_read_timeout: int = 30
+
+    epg_refresh_hours: int = 12
+    m3u_cache_minutes: int = 30
+
+    log_level: str = "INFO"
+
+    class Config:
+        env_file = "/opt/kirastream/.env"
+
+
+@lru_cache
+def get_settings() -> Settings:
+    return Settings()
+
+
+settings = get_settings()