Implement workspace history reconciliation

core/clients/signal.py

@@ -1025,7 +1025,18 @@ class SignalClient(ClientBase):
                     text=text,
                     attachments=attachments,
                     metadata=metadata,
+                    detailed=True,
                 )
+                if isinstance(result, dict) and (not bool(result.get("ok"))):
+                    status_value = int(result.get("status") or 0)
+                    error_text = str(result.get("error") or "").strip()
+                    recipient_value = str(result.get("recipient") or recipient).strip()
+                    raise RuntimeError(
+                        "signal_send_failed"
+                        f" status={status_value or 'unknown'}"
+                        f" recipient={recipient_value or 'unknown'}"
+                        f" error={error_text or 'unknown'}"
+                    )
                 if result is False or result is None:
                     raise RuntimeError("signal_send_failed")
                 transport.set_runtime_command_result(