chore: import upstream snapshot with attribution

tests/test_engine/test_meta_command_registration.py

@@ -0,0 +1,21 @@
+"""/meta is registered: list on all surfaces; run not exposed on channel."""
+
+from __future__ import annotations
+
+from opensquilla.engine.commands import DEFAULT_REGISTRY, Surface
+
+
+def test_meta_command_present_on_all_surfaces_for_list() -> None:
+    cmd = DEFAULT_REGISTRY.find("/meta")
+    assert cmd is not None
+    assert cmd.name == "/meta"
+    for surface in (Surface.WEB_CHAT, Surface.CLI_GATEWAY, Surface.CLI_STANDALONE, Surface.CHANNEL):
+        assert cmd.execution_for(surface) is not None, surface
+
+
+def test_meta_channel_execution_is_list_rpc() -> None:
+    cmd = DEFAULT_REGISTRY.find("/meta")
+    channel = cmd.execution_for(Surface.CHANNEL)
+    # Channel lists via RPC; run is intentionally not wired here (channel = list only).
+    assert channel is not None
+    assert channel.rpc_method == "meta.list"