Table styling in gog docs stops at cell background and inline text style (cell-style --background-color/--text-color/--bold/--italic/--underline). The remaining updateTableCellStyle fields and the sibling row/header requests are not exposed, so any border, padding, vertical-alignment, row-height, or header-row change forces a full table rebuild.

Missing, all already in the API:

updateTableCellStyle (extend existing cell-style):

• borders: borderTop/Bottom/Left/Right (width, color, dashStyle)
• paddingTop/Bottom/Left/Right
• contentAlignment (TOP / MIDDLE / BOTTOM)

updateTableRowStyle (new command, e.g. table-row style):

• minRowHeight
• tableHeader (mark a row as the repeating header)
• preventOverflow

pinTableHeaderRows (new command, e.g. table pin-header --rows N).

Proposed cell-style additions:

--border-top/bottom/left/right=WIDTHpt[,#RRGGBB[,SOLID|DOT|DASH]]
--border-all=...
--padding-top/bottom/left/right=PT   (--padding-all=PT)
--content-align=top|middle|bottom

These all extend the UpdateTableCellStyleRequest the command already constructs (just a wider fieldmask), except updateTableRowStyle / pinTableHeaderRows, which are new builders. This completes surgical table styling so cell/row appearance edits stop requiring a rebuild.

Ref: documents.batchUpdate UpdateTableCellStyleRequest, UpdateTableRowStyleRequest, PinTableHeaderRowsRequest.