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Author	SHA1	Message	Date
Claude	52089d3564	Undo: free and search the undo tree iteratively ... Recursion depth equalled history length, so destroying or clearing a buffer with a few hundred thousand undo steps overflowed the stack. UndoSystem::clear() also freed only the first root branch, leaking the root's siblings; it now frees the whole forest. Audit finding M4. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_015rcVQiiWyTzoNrsvLSaAfB	2026-09-24 09:16:04 -07:00
Claude	0f2cc41ed1	PieceTable: invalidate line index on assignment and merged appends ... Copy/move assignment kept the destination's line index, so closing a buffer (vector erase move-assigns later buffers down) left the shifted buffer with its predecessor's line offsets and out-of-bounds line views. Appends that merged into an existing piece also skipped invalidation. Audit findings M1, B12. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_015rcVQiiWyTzoNrsvLSaAfB	2026-09-24 09:16:04 -07:00
Claude	64139b4868	docs: add 2026-09-23 bug and performance audit ... Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_015rcVQiiWyTzoNrsvLSaAfB	2026-09-24 09:16:04 -07:00