Fix breadcrumbs

[raprice]

Summary

This PR brings breadcrumb implementation into alignment with platform architecture requirements. This PR is part of a previously announced batch of breadcrumb fixes across the Learn platform and will be auto-merged if there are no build warnings. This PR may include removing the “extend breadcrumb” feature from any docfx files that are still using it, fixing breadcrumb file references in the docfx file, and rewriting breadcrumb files to match the approved breadcrumb pattern for a given product’s documentation.

Fixes #Issue_Number (if available)

[learn-build-service-prod]

Learn Build status updates of commit a643321:

✅ Validation status: passed

File	Status	Preview URL	Details
breadcrumb/toc.yml	✅Succeeded	n/a (file deleted or renamed)
docfx.json	✅Succeeded
dotnet-api-docs-breadcrumb/toc.yml	✅Succeeded

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[raprice]

Troubleshooting, please do not merge yet.

[gewarren]

@raprice Perhaps convert it to a draft PR then?

[learn-build-service-prod]

Learn Build status updates of commit 3a8d557:

✅ Validation status: passed

File	Status	Preview URL	Details
breadcrumb/toc.yml	✅Succeeded	n/a (file deleted or renamed)
docfx.json	✅Succeeded
dotnet-api-docs-breadcrumb/toc.yml	✅Succeeded

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[learn-build-service-prod]

Learn Build status updates of commit 2c4aec4:

✅ Validation status: passed

File	Status	Preview URL	Details
breadcrumb/toc.yml	✅Succeeded	n/a (file deleted or renamed)
docfx.json	✅Succeeded
dotnet-api-docs-breadcrumb/toc.yml	✅Succeeded

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[learn-build-service-prod]

Learn Build status updates of commit 6233190:

✅ Validation status: passed

File	Status	Preview URL	Details
breadcrumb/dotnet-api-docs/toc.yml	✅Succeeded
breadcrumb/toc.yml	✅Succeeded	n/a (file deleted or renamed)
docfx.json	✅Succeeded

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[learn-build-service-prod]

Learn Build status updates of commit ca3b42c:

✅ Validation status: passed

File	Status	Preview URL	Details
breadcrumb/dotnet-api-docs/toc.yml	✅Succeeded
breadcrumb/toc.yml	✅Succeeded	n/a (file deleted or renamed)
docfx.json	✅Succeeded

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[learn-build-service-prod]

Learn Build status updates of commit b468748:

✅ Validation status: passed

File	Status	Preview URL	Details
breadcrumb/toc.yml	✅Succeeded	n/a (file deleted or renamed)
docfx.json	✅Succeeded
dotnet-api-docs-bc/breadcrumb/toc.yml	✅Succeeded

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[learn-build-service-prod]

Learn Build status updates of commit 039c521:

✅ Validation status: passed

File	Status	Preview URL	Details
breadcrumb/toc.yml	✅Succeeded	n/a (file deleted or renamed)
docfx.json	✅Succeeded
dotnet-api-docs-bc/breadcrumb/toc.yml	✅Succeeded

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

Still in progress.