From e50a5ced65a1f03ebdbe5b0d3b09a57b11b7edbe Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Sat, 7 Nov 2026 01:40:44 +0100
Subject: refuse misplaced authors

---
 src/state/host.rs | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/state/host.rs')

diff --git a/src/state/host.rs b/src/state/host.rs
index 5751998..b4a785b 100644
--- a/src/state/host.rs
+++ b/src/state/host.rs
@@ -374,6 +374,11 @@ impl Host for AppState {
     ) -> impl Future<Output = Result<(), String>> + Send {
         let state = self.clone();
         async move {
+            // Downloaded: looked at before Automerge applies it (`misplaced_author`).
+            if let Some(misplaced) = crate::document::changes::misplaced_author(change.raw_bytes())
+            {
+                return Err(misplaced.to_string());
+            }
             tokio::task::spawn_blocking(move || {
                 let result = {
                     let mut replica = state.doc.blocking_write();
-- 
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