Huge v2 uplift, now deployable with real user management and tooling!

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

server/stores/__init__.py

@@ -0,0 +1,26 @@
+"""Stores package for Golf game V2 persistence."""
+
+from .event_store import EventStore, ConcurrencyError
+from .state_cache import StateCache, get_state_cache, close_state_cache
+from .pubsub import GamePubSub, PubSubMessage, MessageType, get_pubsub, close_pubsub
+from .user_store import UserStore, get_user_store, close_user_store
+
+__all__ = [
+    # Event store
+    "EventStore",
+    "ConcurrencyError",
+    # State cache
+    "StateCache",
+    "get_state_cache",
+    "close_state_cache",
+    # Pub/sub
+    "GamePubSub",
+    "PubSubMessage",
+    "MessageType",
+    "get_pubsub",
+    "close_pubsub",
+    # User store
+    "UserStore",
+    "get_user_store",
+    "close_user_store",
+]