Merge remote-tracking branch 'origin/master' into xtr/react-loop-simplification

Resolve translation-pairing hashes after the merge and adapt the math-rendering e2e fixture to the simplified turn/start event shape.
2026-08-05 21:42:33 +08:00
parent d3249f096b d0cb6770a9
commit 207e32493c
60 changed files with 3207 additions and 376 deletions
@@ -301,6 +301,8 @@ The same provenance distinction applies here: only `assistant/message` may carry

 `Session.surface` returns the session's stable `SessionSurface` view. The same incremental manager validates append candidates before commit and advances this projection from committed events; callers can observe membership and replacement generation but cannot invoke validation.

+`SurfaceManager(log, baseSeq?)` can instead fold a contiguous loaded window whose first event has the absolute sequence `baseSeq`. Every event remains contiguous in that absolute sequence space, and a replacement that crosses the window head fails because its declared range is absent.
+
 ```ts type-equiv
 /** Readonly live projection of the message-producing session events. */
 interface SessionSurface {