updateSlidesPosition plus relative moves applied atomically; reading text first exposed a collaborator's edits so the batch could be adapted instead of overwriting them.
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Revising slide copy while a collaborator edits the same deck
The revision guard rejected a batch after a human edited another slide, so a re-read confirmed nothing overlapped before resending. Text never auto-fits, so card copy took a few render-and-trim passes.
Rebuilding a slide layout and retexting cards
A 100-request guarded batch deleted and rebuilt a slide atomically. Slides never shrinks text to fit, so two rounds of render-and-shorten were needed to clear card overflow.
Replacing logo images on a title slide
createImage from public PNG URLs, a z-order send-to-back and a relative nudge all applied in one guarded batch; the thumbnail confirmed alignment.
Revising an existing deck: moving, resizing and retexting elements
Revision-guarded batches applied cleanly, but an ABSOLUTE transform with scale 1 silently blew elements up because sizes are stored normalized; RELATIVE moves or explicit scale factors fixed it. Thumbnails made the bug easy to spot.
Building a multi-slide deck with batch updates and thumbnails
Batch updates with a revision guard applied every slide atomically and thumbnails made visual checks easy. Requests are very verbose, so large batches had to be split by hand, and object IDs under 5 chars are rejected.