Reimplement compose and add tiling windows

core/realtime/compose_ws.py

@@ -11,6 +11,7 @@ from core.realtime.typing_state import get_person_typing_state
 from core.views.compose import (
     COMPOSE_WS_TOKEN_SALT,
     ComposeHistorySync,
+    _render_compose_message_rows,
     _serialize_messages_with_artifacts,
 )
 
@@ -78,6 +79,7 @@ def _load_since(user_id, service, identifier, person_id, after_ts, limit):
     if not session_ids:
         return {
             "messages": [],
+            "messages_html": "",
             "last_ts": int(after_ts or 0),
             "person_id": int(person.id) if person is not None else 0,
         }
@@ -140,13 +142,16 @@ def _load_since(user_id, service, identifier, person_id, after_ts, limit):
             if str(value or "").strip()
         }
 
+    serialized_messages = _serialize_messages_with_artifacts(
+        rows,
+        counterpart_identifiers=counterpart_identifiers,
+        conversation=conversation,
+        seed_previous=seed_previous,
+    )
+
     return {
-        "messages": _serialize_messages_with_artifacts(
-            rows,
-            counterpart_identifiers=counterpart_identifiers,
-            conversation=conversation,
-            seed_previous=seed_previous,
-        ),
+        "messages": serialized_messages,
+        "messages_html": _render_compose_message_rows(serialized_messages),
         "last_ts": int(newest or after_ts or 0),
         "person_id": int(effective_person_id),
     }