拼ui 一些业务逻辑x实现

Assets/EasyChart/Docs/RegressionChecklist.md

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+# EasyChart Regression Checklist (Minimal)
+
+## Build
+1. Open Unity and ensure no compile errors.
+
+## Editor (Edit Mode)
+### Coordinate System Switch
+1. Toggle `ChartData.CoordinateSystem` between Cartesian2D and other modes.
+2. Confirm no UI Toolkit assertion spam in Console.
+3. Confirm the chart re-renders correctly after the deferred apply.
+
+### Legend
+1. Toggle series visibility from legend.
+2. For Pie with aggregation (Others): toggle slices and confirm redraw + legend refresh.
+
+### Tooltip
+1. Hover points/bars/slices and confirm tooltip appears.
+2. Move mouse out: tooltip disappears and hover states clear.
+
+### Category Auto Scroll
+1. Enable category axis `categoryAutoScroll`.
+2. Toggle `categorySmoothScroll` on/off.
+3. Confirm window step transition has no flicker.
+
+## Play Mode
+### Animation
+1. Set `ChartData.animationDuration > 0`.
+2. Call `PlayAnimation()` (or trigger via refresh) and confirm renderers animate.
+
+### Scrolling + Tooltip Interaction
+1. During smooth scrolling: tooltip should hide (no stale hover).
+2. After scroll stops: tooltip works again.
+
+## Performance Spot Check
+1. Hover/tooltip: watch GC Alloc in Profiler; should not allocate every frame while moving mouse.
+2. Auto-scroll + smooth: no large spikes per tick (baseline stable).