Add multi-IP binding modes and deployment guide

app/main.py

@@ -14,7 +14,7 @@ from redis.asyncio import from_url as redis_from_url
 from app.api import auth, bindings, dashboard, logs, settings as settings_api
 from app.config import RUNTIME_SETTINGS_REDIS_KEY, RuntimeSettings, Settings, get_settings
 from app.models import intercept_log, token_binding  # noqa: F401
-from app.models.db import close_db, get_session_factory, init_db
+from app.models.db import close_db, ensure_schema_compatibility, get_session_factory, init_db
 from app.proxy.handler import router as proxy_router
 from app.services.alert_service import AlertService
 from app.services.archive_service import ArchiveService
@@ -100,6 +100,7 @@ async def load_runtime_settings(redis: Redis | None, settings: Settings) -> Runt
 async def lifespan(app: FastAPI):
     settings = get_settings()
     init_db(settings)
+    await ensure_schema_compatibility()
     session_factory = get_session_factory()
 
     redis: Redis | None = redis_from_url(