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fix(docs): escape hyphens in Mermaid diagram on Collections page#1262

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WilliamBerryiii merged 9 commits intomainfrom
fix/mermaid-collections-diagram-parse-error
Apr 6, 2026
Merged

fix(docs): escape hyphens in Mermaid diagram on Collections page#1262
WilliamBerryiii merged 9 commits intomainfrom
fix/mermaid-collections-diagram-parse-error

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Pull Request

Description

Escaped hyphens in Mermaid diagram node labels on the Collections overview page. Mermaid v11+ (bundled via @docusaurus/theme-mermaid 3.9.2) interprets bare hyphens inside ["quoted-labels"] as link/arrow operators, causing a parse error visible to users:

Parse error on line 4:
... CS["coding-standards
----------------------^
Expecting 'SEMI', 'NEWLINE', 'EOF', ...

Replaced all literal hyphens inside quoted Mermaid node labels with - HTML entities. The rendered output displays identically but parses correctly. Eight node labels were affected: hve-core-all, coding-standards, data-science, design-thinking, hve-core, project-planning, rai-planning, and installer (artifact count label).

No other Mermaid diagrams in the docs use hyphens in the same quoted-label parsing context.

Related Issue(s)

Fixes #1230

Type of Change

Select all that apply:

Code & Documentation:

  • Bug fix (non-breaking change fixing an issue)
  • New feature (non-breaking change adding functionality)
  • Breaking change (fix or feature causing existing functionality to change)
  • Documentation update

Infrastructure & Configuration:

  • GitHub Actions workflow
  • Linting configuration (markdown, PowerShell, etc.)
  • Security configuration
  • DevContainer configuration
  • Dependency update

AI Artifacts:

  • Reviewed contribution with prompt-builder agent and addressed all feedback
  • Copilot instructions (.github/instructions/*.instructions.md)
  • Copilot prompt (.github/prompts/*.prompt.md)
  • Copilot agent (.github/agents/*.agent.md)
  • Copilot skill (.github/skills/*/SKILL.md)

Other:

  • Script/automation (.ps1, .sh, .py)
  • Other (please describe):

Testing

  • Verified YAML frontmatter and markdown structure are valid (no lint errors).
  • Confirmed - renders as - in Mermaid diagram output per the HTML entity specification.
  • Audited all other Mermaid diagrams in docs/ — no other instances use hyphens in quoted node labels that would trigger the same parser bug.
  • No manual Docusaurus dev server test performed — this is a syntax-level fix with deterministic behavior.

Checklist

Required Checks

  • Documentation is updated (if applicable)
  • Files follow existing naming conventions
  • Changes are backwards compatible (if applicable)
  • Tests added for new functionality (if applicable) (N/A — Mermaid diagram rendering is not unit-testable)

Required Automated Checks

The following validation commands must pass before merging:

  • Markdown linting: npm run lint:md
  • Spell checking: npm run spell-check
  • Frontmatter validation: npm run lint:frontmatter
  • Skill structure validation: npm run validate:skills
  • Link validation: npm run lint:md-links
  • PowerShell analysis: npm run lint:ps
  • Plugin freshness: npm run plugin:generate

Security Considerations

  • This PR does not contain any sensitive or NDA information
  • Any new dependencies have been reviewed for security issues (N/A — no dependency changes)
  • Security-related scripts follow the principle of least privilege (N/A — no script changes)

Additional Notes

The root cause is a Mermaid v11+ parser behavior change where hyphens in [\"quoted labels\"] are ambiguous with edge/link syntax. The &#45; entity workaround is the standard approach recommended by the Mermaid community. This affects only the graph TD diagram on the Collections page; other diagrams in the docs use hyphens only inside <br/> tags or subgraph labels, which parse in a different context.

…ns page

- Replace literal hyphens with `&#45;` HTML entities in quoted node labels
- Fixes Mermaid v11+ parse error for labels like `coding-standards`

🔧 - Generated by Copilot
@chaosdinosaur chaosdinosaur requested a review from a team as a code owner April 1, 2026 19:51
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Advisory review, this PR is from a maintainer. Findings are informational only.

Overview

The core fix is technically correct and well-executed. - is the standard HTML entity workaround for Mermaid v11+'s parser ambiguity with hyphens in quoted node labels. All 7 hyphenated node labels were correctly updated, and the 6 non-hyphenated labels were correctly left unchanged.

Issue Alignment

✅ The PR addresses the Mermaid parse error described in #1230 (escape hyphens in quoted node labels that Mermaid v11+ misinterprets as edge/arrow syntax). The fix is scoped appropriately.

PR Template Compliance

✅ All required sections are filled in. "Bug fix" and "Documentation update" are correctly checked for a Mermaid syntax correction in a docs file. Testing describes a reasonable verification approach for a deterministic syntax fix.

⚠️ Minor inaccuracy in the PR description: The description states "Eight node labels were affected: hve-core-all, coding-standards, data-science, design-thinking, hve-core, project-planning, rai-planning, and installer (artifact count label)." However, INS["installer<br/>(2 artifacts)"] was correctly not modified (it contains no hyphens). The 8th diff line is actually the table separator row reformatting — not a Mermaid node label. This is a minor description inaccuracy that has no impact on the code change.

Coding Standards

✅ The Mermaid diagram fix follows the Docusaurus content instructions: <br/> is used for line breaks within node labels.

⚠️ Table separator trailing || (see inline comment on line 35): The PR introduces an extra trailing pipe on the separator row, creating an implicit empty 5th column. This appears to be a side-effect of format:tables reformatting triggered alongside the Mermaid edits. While GitHub's GFM renderer is permissive and likely ignores it, it is an unintended deviation from the original and could cause issues in stricter parsers or lint runs.

Code Quality

✅ No security concerns. No logic errors. The - entity is the canonical workaround recommended by the Mermaid community for this parser behavior change in v11+.

Action Items

  1. Consider removing the spurious trailing || from the table separator row (informational — does not block merging).

Note

🔒 Integrity filter blocked 1 item

The following item were blocked because they don't meet the GitHub integrity level.

  • #1230 issue_read: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".

To allow these resources, lower min-integrity in your GitHub frontmatter:

tools:
  github:
    min-integrity: approved  # merged | approved | unapproved | none

Generated by PR Review for issue #1262

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@rezatnoMsirhC rezatnoMsirhC left a comment

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Thanks for picking this up! Just noticed a minor issue.

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codecov-commenter commented Apr 2, 2026

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.71%. Comparing base (0da852f) to head (807748e).

Additional details and impacted files

Impacted file tree graph

@@            Coverage Diff             @@
##             main    #1262      +/-   ##
==========================================
- Coverage   87.72%   87.71%   -0.02%     
==========================================
  Files          61       61              
  Lines        9321     9321              
==========================================
- Hits         8177     8176       -1     
- Misses       1144     1145       +1     
Flag Coverage Δ
pester 85.31% <ø> (-0.02%) ⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.
see 1 file with indirect coverage changes

🚀 New features to boost your workflow:
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- replace HTML &#45; with Mermaid #45; in quoted node labels
- fixes rendering in GitHub and VS Code Mermaid extensions

🔧 - Generated by Copilot
@WilliamBerryiii WilliamBerryiii merged commit ce0e531 into main Apr 6, 2026
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fix: Parse error in Collections page diagram rendering

4 participants