Fix MDX syntax errors blocking Vercel deployment

[Copilot]

Description

Vercel build failed due to MDX parser treating < in numeric comparisons as JSX tag delimiters. Escaped special characters with HTML entities.

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• Code refactoring
• Performance improvement
• CI/CD update

Changes Made

Error Pattern:

- Health score: <40        # Parser error: '<40' interpreted as malformed JSX
- Target: <5% annual churn # Same issue

Fix:

- Health score: <40        # HTML entity escaping
- Target: <5% annual churn

Files Modified:

• content/docs/features/contracts-payments.mdx: Escaped <40 and <5% in health scoring and churn rate sections
• content/docs/features/lead-management.mdx: Escaped >70 and <30 in Mermaid flowchart diagram

Testing

• Unit tests pass (npm test)
• Linting passes (npm run lint)
• Build succeeds (npm run build)
• Manual testing completed
• New tests added (if applicable)

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published

Additional Notes

Validated all MDX files for similar patterns. No additional instances found.

Original prompt

拉取请求: #59

03:38:03.568 Running build in Washington, D.C., USA (East) – iad1
03:38:03.569 Build machine configuration: 4 cores, 8 GB
03:38:03.702 Cloning github.com/objectstack-ai/hotcrm (Branch: copilot/refactor-content-docs, Commit: c096d80)
03:38:04.159 Cloning completed: 457.000ms
03:38:04.572 Restored build cache from previous deployment (7DTvuatYqr62qh8phbSXEGGvzNBX)
03:38:04.905 Running "vercel build"
03:38:05.802 Vercel CLI 50.9.6
03:38:06.127 Detected pnpm-lock.yaml 9 which may be generated by pnpm@9.x or pnpm@10.x
03:38:06.128 Using pnpm@10.x based on project creation date
03:38:06.128 To use pnpm@9.x, manually opt in using corepack (https://vercel.com/docs/deployments/configure-a-build#corepack)
03:38:06.168 Installing dependencies...
03:38:06.776 Scope: all 9 workspace projects
03:38:07.738
03:38:07.753 . postinstall$ fumadocs-mdx
03:38:08.217 . postinstall: [MDX] generated files in 21.72096099999999ms
03:38:08.226 . postinstall: Done
03:38:08.255 ╭ Warning ─────────────────────────────────────────────────────────────────────╮
03:38:08.255 │ │
03:38:08.255 │ Ignored build scripts: esbuild@0.27.2, sharp@0.34.5. │
03:38:08.255 │ Run "pnpm approve-builds" to pick which dependencies should be allowed │
03:38:08.255 │ to run scripts. │
03:38:08.255 │ │
03:38:08.255 ╰──────────────────────────────────────────────────────────────────────────────╯
03:38:08.262 Done in 1.9s using pnpm v10.28.0
03:38:08.278 Detected Next.js version: 16.1.4
03:38:08.312 Running "pnpm run build"
03:38:08.620
03:38:08.620 > @hotcrm/docs@0.0.0 build /vercel/path0/apps/docs
03:38:08.621 > next build
03:38:08.621
03:38:09.708 [MDX] generated files in 26.44409500000006ms
03:38:09.713 ▲ Next.js 16.1.4 (Turbopack)
03:38:09.714
03:38:09.750 Creating an optimized production build ...
03:38:35.346
03:38:35.346 > Build error occurred
03:38:35.348 Error: Turbopack build failed with 1 errors:
03:38:35.348 ./content/docs/features/contracts-payments.mdx
03:38:35.349 Error evaluating Node.js code
03:38:35.349 419:18: Unexpected character 4 (U+0034) before name, expected a character that can start a name, such as a letter, $, or _
03:38:35.349
03:38:35.349
03:38:35.349 at ignore-listed frames
03:38:35.439  ELIFECYCLE  Command failed with exit code 1.
03:38:35.468 Error: Command "pnpm run build" exited with 1

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Project	Deployment	Actions	Updated (UTC)
hotcrm	Ready	Preview, Comment	Feb 1, 2026 1:51am

[Copilot]

Pull request overview

This PR fixes MDX syntax errors that caused Vercel deployment failures. The MDX parser was incorrectly interpreting comparison operators (< and >) followed by numbers as JSX tag delimiters, resulting in build errors.

Changes:

• Escaped < and > comparison operators in numeric expressions using HTML entities (< and >)
• Fixed 4 instances across 2 documentation files to prevent MDX parsing errors

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
content/docs/features/contracts-payments.mdx	Escaped <40 health score threshold and <5% churn rate target in bullet lists
content/docs/features/lead-management.mdx	Escaped >70 and <30 lead score thresholds in Mermaid flowchart edge labels