6587 : Style class diagram elements based on stereotype annotations

[darshanr0107]

📑 Summary

This PR introduces visual styling enhancements for class diagram elements based on UML stereotype annotations such as <<abstract>>, <<interface>>, and <<enumeration>>.

Resolves #6587

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🦋 Changeset detected

Latest commit: eb81bdd

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

Name	Type
mermaid	Patch
@mermaid-js/examples	Patch

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commit: eb81bdd

[codecov]

Codecov Report

❌ Patch coverage is 0% with 38 lines in your changes missing coverage. Please review.
✅ Project coverage is 3.70%. Comparing base (5b241bb) to head (eb81bdd).
⚠️ Report is 174 commits behind head on develop.

Files with missing lines	Patch %	Lines
packages/mermaid/src/diagrams/class/shapeUtil.ts	0.00%	26 Missing ⚠️
packages/mermaid/src/diagrams/class/styles.js	0.00%	12 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           develop   #6737      +/-   ##
==========================================
- Coverage     3.70%   3.70%   -0.01%     
==========================================
  Files          454     453       -1     
  Lines        44724   44747      +23     
  Branches       707     707              
==========================================
  Hits          1659    1659              
- Misses       43065   43088      +23     

Flag	Coverage Δ
unit	3.70% <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
packages/mermaid/src/diagrams/class/styles.js	0.00% <0.00%> (ø)
packages/mermaid/src/diagrams/class/shapeUtil.ts	0.00% <0.00%> (ø)

... and 1 file with indirect coverage changes

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Build	Status	Details	Updated (UTC)
default (Inspect)	👎 Changes rejected	74 changed, 3 added	Jul 16, 2025, 12:18 PM

[knsv]

All review comments are fixed.

The argos tests are failing

[knsv]

@darshanr0107 Please verify the Argos tests is looks like real errors