codeant-ai-for-open-source[bot] commented on PR #34759:
URL: https://github.com/apache/superset/pull/34759#issuecomment-3940275058
## **Sequence Diagram**
The PR changes the tooltip formatter to prefer ECharts'
axisValue/axisValueLabel (which contain full, untruncated category names) when
building axis (rich) tooltips, falling back to the original value extraction
otherwise. This ensures hover tooltips show the complete label even when axis
labels are visually truncated.
```mermaid
sequenceDiagram
participant User
participant ECharts
participant TransformProps
participant TooltipFormatter
participant UI
User->>ECharts: Hover over bar (trigger tooltip)
ECharts->>TransformProps: Call tooltip.formatter(params)
TransformProps->>TooltipFormatter: Invoke formatter with params
TooltipFormatter->>TooltipFormatter: Use axisValue / axisValueLabel if
present, else fallback to value
TooltipFormatter-->>TransformProps: Return HTML tooltip content
TransformProps-->>ECharts: Provide formatted tooltip
ECharts-->>UI: Render tooltip with full label
```
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