Add multi-account command ACL system

app/commands/__init__.py

@@ -0,0 +1,34 @@
+from app.commands.acl import RuntimeAclStore
+from app.commands.builtins import DEFAULT_REGISTRY, command_registry
+from app.commands.core import (
+    CheckResult,
+    CommandBuilder,
+    CommandCheck,
+    CommandContext,
+    CommandDefinition,
+    CommandRegistry,
+    combine_checks,
+    owner_only_check,
+    require_args_check,
+    require_reply_check,
+    shared_access_check,
+)
+from app.commands.dispatcher import CommandDispatcher
+
+__all__ = [
+    "CheckResult",
+    "CommandBuilder",
+    "CommandCheck",
+    "CommandContext",
+    "CommandDefinition",
+    "CommandDispatcher",
+    "CommandRegistry",
+    "DEFAULT_REGISTRY",
+    "RuntimeAclStore",
+    "command_registry",
+    "combine_checks",
+    "owner_only_check",
+    "require_args_check",
+    "require_reply_check",
+    "shared_access_check",
+]