wip: fix offline docs

app/main.py

@@ -194,7 +194,7 @@ app.mount("/static", StaticFiles(directory="./app/static"), name="static")
 @app.get("/docs", include_in_schema=False)
 def custom_swagger_ui_html():
     return get_swagger_ui_html(
-        openapi_url=app.openapi_url,
+        openapi_url="/api/openapi.json",
         title=app.title + " - Offline Swagger UI",
         swagger_js_url="/static/swagger.js",
         swagger_css_url="/static/swagger.css",