feat: add thin Evennia to Nexus event adapter

tests/test_evennia_event_adapter.py

@@ -0,0 +1,56 @@
+from nexus.evennia_event_adapter import actor_located, command_issued, command_result, room_snapshot, session_bound
+from nexus.perception_adapter import ws_to_perception
+
+
+def test_session_bound_schema():
+    event = session_bound("sess-1")
+    assert event["type"] == "evennia.session_bound"
+    assert event["hermes_session_id"] == "sess-1"
+    assert event["evennia_account"] == "Timmy"
+
+
+def test_room_snapshot_schema():
+    event = room_snapshot(
+        room_key="Chapel",
+        title="Chapel",
+        desc="Quiet room.",
+        exits=[{"key": "courtyard", "destination_id": "Courtyard", "destination_key": "Courtyard"}],
+        objects=[{"id": "Book of the Soul", "key": "Book of the Soul", "short_desc": "A doctrinal anchor."}],
+    )
+    assert event["type"] == "evennia.room_snapshot"
+    assert event["title"] == "Chapel"
+    assert event["objects"][0]["key"] == "Book of the Soul"
+
+
+def test_evennia_room_snapshot_becomes_perception():
+    perception = ws_to_perception(
+        room_snapshot(
+            room_key="Workshop",
+            title="Workshop",
+            desc="Tools everywhere.",
+            exits=[{"key": "courtyard", "destination_id": "Courtyard", "destination_key": "Courtyard"}],
+            objects=[{"id": "Workbench", "key": "Workbench", "short_desc": "A broad workbench."}],
+        )
+    )
+    assert perception is not None
+    assert "Workshop" in perception.description
+    assert "Workbench" in perception.description
+
+
+def test_evennia_command_result_becomes_perception():
+    perception = ws_to_perception(command_result("sess-2", "Timmy", "look Book of the Soul", "Book of the Soul. A doctrinal anchor.", True))
+    assert perception is not None
+    assert "succeeded" in perception.description.lower()
+    assert "Book of the Soul" in perception.description
+
+
+def test_evennia_actor_located_becomes_perception():
+    perception = ws_to_perception(actor_located("Timmy", "Gate"))
+    assert perception is not None
+    assert "Gate" in perception.description
+
+
+def test_evennia_command_issued_schema():
+    event = command_issued("sess-3", "Timmy", "chapel")
+    assert event["type"] == "evennia.command_issued"
+    assert event["command_text"] == "chapel"