Fix clipped chart axis labels

[karakanb]

Summary

Fix clipped formatted Y-axis ticks by measuring their rendered width and removing negative left offsets.

Testing

• make test
• make build
• relevant example or manual smoke test

Checklist

• scanned docs/ and updated (or added) the relevant pages
• examples updated if the authoring model changed
• screenshots or recordings attached for UI changes

[greptile-apps]

Prompt To Fix All With AI

### Issue 1
frontend/src/components/widgets/ChartWidget.tsx:1367
**Automatic width collapses plot area**

If a scatter or bubble chart's categorical Y field contains a long query-result value, `width="auto"` allocates the label's full rendered width to the axis, causing the plotting area to collapse or become unreadable.

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For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

_{Reviews (1): Last reviewed commit: "Fix clipped chart axis labels" | Re-trigger Greptile}

[greptile-apps]

Prompt To Fix All With AI

### Issue 1
frontend/src/components/widgets/ChartWidget.tsx:1161-1164
**Automatic width collapses plot area**

When a numeric axis formatter renders a long tick label, `width="auto"` allocates the label's full measured width to the axis without a maximum, causing narrow or dual-axis charts to lose their usable plotting area.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

_{Reviews (2): Last reviewed commit: "Preserve categorical scatter axis width" | Re-trigger Greptile}

[greptile-apps]

_{Reviews (3): Last reviewed commit: "Cap automatic axis width" | Re-trigger Greptile}