fix(baseAxis): fix y-axis tick positioning (#7061)

[ia319]

📑 Summary

Add isBandAxis property to BaseAxis and refine axis padding logic to handle both vertical and horizontal charts:

• Distinguish axis types using isBandAxis
• Apply padding on both ends for band (categorical) axes
• Align start of linear axes with other axis and apply padding at the end

Resolves #7061

📏 Design Decisions

Problem: Previous getRange() logic only considered axis position, applied padding for both ends, causing misalignment in vertical and horizontal charts.

Fix:

• Introduce isBandAxis to identify band (categorical) axes

• Apply padding differently based on axis type and orientation:

  • Band axes: padding on both ends
  • Linear axes: align start with other axis, padding only on the end

Effect:

• Zero tick for vertical axes aligns at chart bottom
• Horizontal axes and existing behavior remain unaffected

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commit: 4bc2db3

[codecov]

Codecov Report

❌ Patch coverage is 0% with 26 lines in your changes missing coverage. Please review.
✅ Project coverage is 3.55%. Comparing base (3d768f3) to head (4bc2db3).

Files with missing lines	Patch %	Lines
...ms/xychart/chartBuilder/components/plot/barPlot.ts	0.00%	17 Missing ⚠️
...s/xychart/chartBuilder/components/axis/baseAxis.ts	0.00%	8 Missing ⚠️
...s/xychart/chartBuilder/components/axis/bandAxis.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           develop   #7083      +/-   ##
==========================================
- Coverage     3.55%   3.55%   -0.01%     
==========================================
  Files          473     474       +1     
  Lines        47481   47513      +32     
  Branches       730     730              
==========================================
  Hits          1687    1687              
- Misses       45794   45826      +32     

Flag	Coverage Δ
unit	3.55% <0.00%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
...rams/xychart/chartBuilder/components/axis/index.ts	3.84% <ø> (ø)
...s/xychart/chartBuilder/components/axis/bandAxis.ts	2.94% <0.00%> (-0.09%)	⬇️
...s/xychart/chartBuilder/components/axis/baseAxis.ts	0.26% <0.00%> (-0.01%)	⬇️
...ms/xychart/chartBuilder/components/plot/barPlot.ts	1.61% <0.00%> (-0.43%)	⬇️

... and 1 file with indirect coverage changes

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Build	Status	Details	Updated (UTC)
default (Inspect)	⚠️ Changes detected (Review)	33 changed	Oct 19, 2025, 8:36 AM