feat: address the Parcelle staff-app dogfood findings

[zvndev]

Closes every item from the Parcelle staff-app dogfood pass: 14+ real tables migrated onto yable, including a 23k-row virtualized warehouse grid, master-detail boards, and inline blur-save editors. Each item below forced an app-side workaround.

Bugs / sharp edges

Container underflow on fully sized tables. distribute / stretch only ever grew auto-sized columns, so a table where every column has an explicit size had no participants: it pinned to its sized total and left a dead band on the right that no policy could close. Those tables now fall back to growing every visible column, and a new underflow: 'stretch-last' hands the whole remainder to the last column alone.

Widths resolve through columnSizing, so the sticky header, body, virtualized inner table, and pinned offsets all read one colgroup. That matters: the app-side CSS workaround (min-width: 100%) let the sticky header and the virtualized body resolve the slack independently and drift out of column alignment. New Playwright coverage asserts every header/body column pair stays within 1px under a sticky header plus row virtualization.

clickableRows gated onRowClick. row:click was only emitted when the rendered <Table> had clickableRows, so passing the handler to useTable alone silently did nothing, while row:dblclick and row:contextmenu always emitted unconditionally. row:click now emits unconditionally; clickableRows is purely the visual affordance and defaults on when an onRowClick handler is present. clickableRows={false} keeps the handler and drops the affordance.

Behavior change worth noting on review: anyone using clickableRows={false} to suppress the callback now gets the callback.

API and theming gaps

• table.getToggleAllRowsSelectedHandler() / getToggleAllPageRowsSelectedHandler() mirror row.getToggleSelectedHandler(). Both ignore their event argument, so wiring one to onChange toggles rather than reading the event object as a truthy value. The old docs example (onChange={table.toggleAllPageRowsSelected}) had exactly that bug and is fixed.
• Header/cell typography tokens: --yable-font-family-header, --yable-font-family-cell, --yable-font-weight-header, --yable-header-text-transform, --yable-header-letter-spacing. Every bundled theme now declares header typography through them instead of hardcoding it on its own .yable-th rule, which outranked any token set on the grid root. Density utilities that set --yable-font-size-header reach the header for the first time.
• align on a column def emits data-align on header, body, and footer cells, with tabular figures when right-aligned. React and vanilla renderers both.
• data-sorted="asc|desc" on .yable-th, replacing :has(.yable-sort-indicator[data-active='true']).
• --yable-header-backdrop-filter (frosted sticky headers) and --yable-detail-accent-width / --yable-detail-accent-color (master-detail panel edge). Both default to visual no-ops.
• ./package.json exported from all four packages, so require.resolve('@zvndev/yable-react/package.json') stops throwing ERR_PACKAGE_PATH_NOT_EXPORTED.

Density needed no code: <Table density> and .yable--density-* already replace hand-setting six spacing tokens, so the themes README documents them now.

Verification

• Unit: 11/11 turbo tasks, including 14 new underflow cases, the align/data-sorted attribute tests, and a themes suite that fails if any theme reintroduces hardcoded header typography.
• E2E: 59/59 Playwright, with 4 new tests for the underflow fix.
• Browser: confirmed computed styles are byte-identical across all 8 themes before and after the typography refactor, and that each new token and attribute actually takes effect.
• Typecheck and lint green. (Lint had one pre-existing prefer-const error in useAutoColumnSizing.ts; fixed with a targeted disable since it sits in a file this PR edits.)

🤖 Generated with Claude Code

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Project	Deployment	Actions	Updated (UTC)
table	Ready	Preview, Comment	Jul 25, 2026 4:22pm
yable-demo	Ready	Preview, Comment	Jul 25, 2026 4:22pm