Fix Signal compose live updates and self-chat direction

core/views/compose.py

@@ -129,7 +129,36 @@ def _format_ts_label(ts_value: int) -> str:
 
 
 def _is_outgoing(msg: Message) -> bool:
-    return str(msg.custom_author or "").upper() in {"USER", "BOT"}
+    is_outgoing = str(msg.custom_author or "").upper() in {"USER", "BOT"}
+    if not is_outgoing:
+        return False
+
+    # Signal self-chat special case:
+    # platform-originated Signal sync events can carry our own sender id and
+    # are currently stored as USER; render them as counterpart-side so the
+    # thread reads naturally when messaging ourselves.
+    try:
+        session = getattr(msg, "session", None)
+        identifier_obj = getattr(session, "identifier", None)
+        service = str(getattr(identifier_obj, "service", "") or "").strip().lower()
+        if service != "signal":
+            return True
+
+        sender_uuid = str(getattr(msg, "sender_uuid", "") or "").strip()
+        identifier_value = str(getattr(identifier_obj, "identifier", "") or "").strip()
+        if not sender_uuid or not identifier_value:
+            return True
+
+        if sender_uuid.lower() == identifier_value.lower():
+            return False
+        sender_digits = re.sub(r"[^0-9]", "", sender_uuid)
+        identifier_digits = re.sub(r"[^0-9]", "", identifier_value)
+        if sender_digits and identifier_digits and sender_digits == identifier_digits:
+            return False
+    except Exception:
+        return is_outgoing
+
+    return True
 
 
 def _clean_url(candidate: str) -> str: