diff --git a/fastapi_startkit/src/fastapi_startkit/broadcasting/stubs/__init__.py b/fastapi_startkit/src/fastapi_startkit/broadcasting/stubs/__init__.py
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diff --git a/fastapi_startkit/src/fastapi_startkit/broadcasting/stubs/channels.py b/fastapi_startkit/src/fastapi_startkit/broadcasting/stubs/channels.py
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+++ b/fastapi_startkit/src/fastapi_startkit/broadcasting/stubs/channels.py
@@ -0,0 +1,41 @@
+"""Channel authorization callbacks.
+
+Register authorization callbacks for private and presence channels here
+using the ``@Broadcast.channel()`` decorator.
+
+Example::
+
+    from fastapi_startkit.facades.Broadcast import Broadcast
+
+    @Broadcast.channel("orders.{order_id}")
+    async def authorize_orders_channel(user, order_id: int) -> bool:
+        # Return True to grant access, False to deny.
+        # `user` is the currently-authenticated user (resolved from the
+        # container's ``auth`` service or ``request.state.user``).
+        return user is not None and user.id == order_id
+
+    @Broadcast.channel("private-notifications")
+    async def authorize_notifications(user) -> bool:
+        return user is not None
+
+Supported channel types:
+  - ``Channel("name")``          — public, no auth required
+  - ``PrivateChannel("name")``   — auth checked via @Broadcast.channel
+  - ``PresenceChannel("name")``  — auth checked + member tracking
+
+This file is auto-loaded by ``ReverbProvider`` when it boots.
+"""
+
+from fastapi_startkit.facades.Broadcast import Broadcast  # noqa: F401
+
+# Define your channel authorization callbacks below:
+#
+# @Broadcast.channel("orders.{order_id}")
+# async def authorize_orders_channel(user, order_id: int) -> bool:
+#     """Authorize the private 'orders.{order_id}' channel.
+#
+#     Parameters are extracted from the channel name and type-coerced using
+#     the type hints on this function.  Return True to allow subscription,
+#     False (or raise) to deny.
+#     """
+#     return user is not None and user.id == order_id