Ali Waseem 153f2619bc feat(studio): show expand affordance for large SQL result cells (#45589)
## Summary

- Adds a hover-revealed expand button to SQL result cells whose value is
unlikely to fit on one line (objects, arrays, strings >60 chars, or
strings with newlines). Clicking opens the existing `CellDetailPanel`
for that cell.
- Switches the expand state from a boolean tied to the selected cell to
a direct `{ column, value }` reference, so the context menu and the new
button both target the right-clicked / clicked cell.
- Extracts the per-cell renderer into its own `ResultCell` component to
keep `Results.tsx` digestible and the new affordance isolated.
- Covers the new logic with exhaustive `isLargeValue` unit tests and a
`ResultCell` component test (visibility, click, right-click).

Linear: [FE-3130](https://linear.app/supabase/issue/FE-3130)

## Test plan

- [x] Run a SQL query that returns mixed cell types (short strings, long
strings, JSON objects, arrays, nulls) and confirm the expand button
appears only on cells where content is likely truncated.
- [x] Hover a large cell and click the expand button — `CellDetailPanel`
opens with the correct column + value.
- [x] Right-click a large cell and choose "View cell content" — same
panel opens with the right cell.
- [x] Right-click a small cell and "Copy cell content" — clipboard
contains the raw value.
- [x] Resize a column wider than its content and confirm the button
still positions correctly.
- [x] `pnpm vitest` for `Results.utils.test.ts`, `Results.test.tsx`,
`ResultCell.test.tsx` — all green.

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **New Features**
* Enhanced SQL result cells with automatic detection and expansion
functionality for large values (exceeding 60 characters or containing
line breaks)
  * Added expand button to view full cell content directly in results
  * Integrated right-click context menu for cell content options
  * Improved display of null values in query results

<!-- end of auto-generated comment: release notes by coderabbit.ai -->
2026-05-05 11:00:09 -06:00

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