Async load + stage step for one Points node. Mirrors the prior inline points-branch of updateView line-for-line (skip path, loader.updateView call, failure-record clear, first-update log, metadata write, predictive-prefetch dispatch).
updateView
Returns null on skip or no-data, otherwise returns staged commit data.
Async load + stage step for one Points node. Mirrors the prior inline points-branch of
updateViewline-for-line (skip path, loader.updateView call, failure-record clear, first-update log, metadata write, predictive-prefetch dispatch).Returns null on skip or no-data, otherwise returns staged commit data.