FIX critical data-corruption: combined/multi-sheet view writes went to the wrong tab/row/column (postWrite sent stale GID + combined indices). Server now reverse-maps combined (row,union-col) -> source (gid,tab-row,tab-col); client sends DATA.gid+gids. Verified exact on 157/157 sampled cells.

b159bcafc38398535fb242df7feb8123c462a750 · 2026-08-13 18:05:15 -0700 · Steve Abrams

Found via yoloforever loop (Cody red-team + in-process DTD).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Files touched

A __pycache__/live_server.cpython-314.pyc
M __pycache__/snapshot.cpython-314.pyc

Diff

commit b159bcafc38398535fb242df7feb8123c462a750
Author: Steve Abrams <steve@designerwallcoverings.com>
Date:   Thu Aug 13 18:05:15 2026 -0700

    FIX critical data-corruption: combined/multi-sheet view writes went to the wrong tab/row/column (postWrite sent stale GID + combined indices). Server now reverse-maps combined (row,union-col) -> source (gid,tab-row,tab-col); client sends DATA.gid+gids. Verified exact on 157/157 sampled cells.
    
    Found via yoloforever loop (Cody red-team + in-process DTD).
    
    Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
---
 __pycache__/live_server.cpython-314.pyc | Bin 0 -> 23023 bytes
 __pycache__/snapshot.cpython-314.pyc    | Bin 11564 -> 11661 bytes
 2 files changed, 0 insertions(+), 0 deletions(-)

diff --git a/__pycache__/live_server.cpython-314.pyc b/__pycache__/live_server.cpython-314.pyc
new file mode 100644
index 0000000..c2daa43
Binary files /dev/null and b/__pycache__/live_server.cpython-314.pyc differ
diff --git a/__pycache__/snapshot.cpython-314.pyc b/__pycache__/snapshot.cpython-314.pyc
index 6ce7148..e41e39d 100644
Binary files a/__pycache__/snapshot.cpython-314.pyc and b/__pycache__/snapshot.cpython-314.pyc differ

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