Style each view independently

## Goal

Per-view styling controls so the same data can read differently in different views. A "Backlog" board can show large preview cards while an "All open" table stays tight and dense.

## Scope

* Density / row height for table and list: compact, medium, comfortable.
* Wrap cells on the table layout: on/off.
* Title display: position and emphasis, mostly for board and gallery cards.
* Card preview size on board and gallery, plus which property drives the card's preview image.
* A customizable empty-state message per view ("No tasks yet" beats the default).
* Conditional row or card coloring driven by field values, with a small ruleset like "if Status is Done, color the row green".
* Preserve and display select option colors as chips on every layout.

## Out of scope

* Theming (separate epic).
* CSS escape hatch.
* Per-cell coloring; the rules stay row-level for now.

## Acceptance criteria

* Density, wrap, and title display take effect immediately and persist per view.
* Card preview size and image source persist per view.
* Conditional coloring matches the rules and updates when the underlying value changes.
* Select option colors render consistently across table cells, board cards, and gallery cards.