docs: correct Polly migration guide

[thomhurst]

Summary

• correct Polly context, retry-number, synchronous-execution, HTTP hedging, and jitter mappings
• document standard HTTP and chaos default differences with executable contracts
• expand Polly v7 mappings for HTTP, circuit breakers, safe execution, rate limiting, and caching
• compile every added Kevlar example against packed packages

Closes #340.

Validation

• dotnet build Kevlar.slnx -c Release
• dotnet pack Kevlar.slnx -c Release --no-build -p:Version=0.0.0-doc340
• pwsh scripts/Verify-Docs.ps1
• pwsh scripts/Verify-DocSnippets.ps1 -PackagesPath artifacts/package/release -Version 0.0.0-doc340 -NoImplicitUsings
• npm ci (from docs/)
• npm run build (from docs/)

Docusaurus production build passed. A screenshot was not captured because no browser backend was connected in this session.

[coderabbitai]

Important

• 🔍 Trigger review

This repository does not receive automatic reviews because it has fewer than 10 stars.

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 67dd6dd0-37f6-4bda-80c9-b842d24363ed

---

Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.

❤️ Share

• X
• Mastodon
• Reddit
• LinkedIn

_{Comment @coderabbitai help to get the list of available commands.}