feat: add DataTable component (@fehmer)

[fehmer]

following https://www.solid-ui.com/docs/components/data-table

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[Copilot]

Pull request overview

Adds a SolidJS DataTable implementation based on TanStack Solid Table, including responsive column visibility and persistent sorting.

Changes:

• Add @tanstack/solid-table dependency (and lockfile updates).
• Introduce new DataTable, Table, and TableColumnHeader UI components.
• Add TanStack table column meta typing (breakpoint + cell attributes) and export BreakpointKey for reuse.

Reviewed changes

Copilot reviewed 6 out of 8 changed files in this pull request and generated 6 comments.

Show a summary per file

File	Description
pnpm-lock.yaml	Locks new TanStack table dependency and transitive updates.
frontend/package.json	Adds @tanstack/solid-table to frontend deps.
frontend/tsconfig.json	Adds an extra include entry for .d.ts (currently suspicious/redundant).
frontend/src/ts/types/tanstack-table.d.ts	Module augmentation for column meta (breakpoint, cellMeta).
frontend/src/ts/signals/breakpoints.ts	Exports BreakpointKey type for table column meta.
frontend/src/ts/components/ui/table/TableColumnHeader.tsx	New sortable column header button component.
frontend/src/ts/components/ui/table/Table.tsx	New styled table primitive components.
frontend/src/ts/components/ui/table/DataTable.tsx	New DataTable wiring sorting + responsive visibility + cell meta attributes.

Files not reviewed (1)

• pnpm-lock.yaml: Language not supported

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[github-actions]

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[Copilot]

Pull request overview

Copilot reviewed 5 out of 7 changed files in this pull request and generated 4 comments.

Files not reviewed (1)

• pnpm-lock.yaml: Language not supported

[Copilot]

Sorting UI is gated on typeof columnDef.header === "string". If a sortable column provides a JSX/header renderer (common in TanStack), the column will be sortable in state but not clickable in the UI. Gate only on getCanSort() (and !header.isPlaceholder) and render the header label via flexRender(...) inside the button.