codeant-ai-for-open-source[bot] commented on PR #37965:
URL: https://github.com/apache/superset/pull/37965#issuecomment-3986007344
## **Sequence Diagram**
This PR enables theme authors to apply default styles to all array items
(series, axes) using object syntax. The new merge function detects
object-to-array merges and applies the object to each array item.
```mermaid
sequenceDiagram
participant ThemeConfig
participant SupersetTheme
participant EchartComponent
participant mergeEchartsThemeOverrides
ThemeConfig->>SupersetTheme: Pass echartsOptionsOverrides (config fix)
EchartComponent->>mergeEchartsThemeOverrides: Merge baseTheme +
chartOptions + overrides
mergeEchartsThemeOverrides->>mergeEchartsThemeOverrides: Detect
object-to-array<br/>(e.g., series: {...} → series: [{...}, {...}])
mergeEchartsThemeOverrides->>mergeEchartsThemeOverrides: Apply object
props to EACH array item
mergeEchartsThemeOverrides-->>EchartComponent: Themed ECharts options
```
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