fix(chat): stop prefix dedupe merging distinct messages (#1335) (#1340)

2026-09-28 00:32:07 +03:00
parent d81fc39f25
commit 2bf51cb911
2 changed files with 165 additions and 0 deletions
@@ -201,6 +201,9 @@ internal class TranscriptComparison(
        ) {
            return true
        }
+        // #842 / #1335: prefix drift only exists for sealed assistant narration; two REST
+        // rows already returned above, so user rows must never collapse by prefix.
+        if (a.role != MessageRole.ASSISTANT) return false
        return ta.length >= 40 && tb.length >= 40 && (tb.startsWith(ta) || ta.startsWith(tb))
    }
 }