FA-38004 / Table interactions / Member archive

Table column resize transaction: resize base delta · case 04

The table resize base delta result violates the stipulated table column resize transaction contract.

Member previewVariant 4 · 3 implementations · 8 checks per implementation

Case contract

A table resize snapshots its starting width and pointer, applies cumulative drag displacement from that snapshot with RTL inversion and bounds, supports live/deferred drawing, rolls back cancel, commits the final pointer displacement, and persists only changed widths.

Why this case matters

An offline table UI model isolates table column resize transaction, including adversarial row/column relationships.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
live move absolute delta	`{"persist": null, "state": {"base": 10, "column": "a", "draft": 18, "pointer": 7}, "widths": {"a": 18, "b": 9}}`	`{"persist": null, "state": {"base": 10, "column": "a", "draft": 15, "pointer": 7}, "widths": {"a": 15, "b": 9}}`	Failed

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This record includes three runnable implementations, regression fixtures, execution results, and source hashes.

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