Hide Orleans provider annotation

[Sébastien Ros (sebastienros)]

Description

Keeps OrleansProviderTypeAnnotation as internal implementation plumbing while preserving WithOrleansProviderType as the supported public builder API.

Tests now validate provider replacement through the resulting Orleans configuration rather than constructing or inspecting the internal annotation.

Addresses #17846 (comment).

Fixes # (issue)

Checklist

• Is this feature complete?
  • Yes. Ready to ship.
  • No. Follow-up changes expected.
• Are you including unit tests for the changes and scenario tests if relevant?
  • Yes
  • No
• Did you add public API?
  • Yes
    • If yes, did you have an API Review for it?
      • Yes
      • No
    • Did you add <remarks /> and <code /> elements on your triple slash comments?
      • Yes
      • No
  • No
• Does the change make any security assumptions or guarantees?
  • Yes
    • If yes, have you done a threat model and had a security review?
      • Yes
      • No
  • No

[github-actions]

🚀 Dogfood this PR with:

⚠️ WARNING: Do not do this without first carefully reviewing the code of this PR to satisfy yourself it is safe.

curl -fsSL https://raw.githubusercontent.com/microsoft/aspire/main/eng/scripts/get-aspire-cli-pr.sh | bash -s -- 18975

Or

• Run remotely in PowerShell:

iex "& { $(irm https://raw.githubusercontent.com/microsoft/aspire/main/eng/scripts/get-aspire-cli-pr.ps1) } 18975"

[github-actions]

Tests selector (audit mode)

The full test matrix and all jobs still run in audit mode. The tests and jobs below are what selective CI would run under enforcement.

1 / 100 test projects · 2 jobs, from 2 changed files.

Selected test projects (1 / 100)

Aspire.Hosting.Orleans.Tests

Selected jobs (2)

extension-e2e, typescript-api-compat

---

How these were chosen — grouped by what changed

🔧 src/Aspire.Hosting.Orleans/OrleansProviderTypeAnnotation.cs (changed source)
→ 1 directly: Aspire.Hosting.Orleans.Tests

🧪 tests/Aspire.Hosting.Orleans.Tests/OrleansProviderTypeTests.cs (changed test)
→ 1 directly: Aspire.Hosting.Orleans.Tests

Job reasons

Job	Triggered by
extension-e2e	• src/Aspire.Hosting.Orleans/OrleansProviderTypeAnnotation.cs • affected project Aspire.Hosting.Orleans
typescript-api-compat	affected project Aspire.Hosting.Orleans

---

Selection computed for commit 0556c77.

[Copilot]

Pull request overview

Hides Orleans provider annotation plumbing while preserving the public builder API.

Changes:

• Makes OrleansProviderTypeAnnotation internal.
• Updates tests to validate generated Orleans configuration instead of internal annotations.

Reviewed changes

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

File	Description
src/Aspire.Hosting.Orleans/OrleansProviderTypeAnnotation.cs	Restricts annotation visibility.
tests/Aspire.Hosting.Orleans.Tests/OrleansProviderTypeTests.cs	Removes tests coupled to annotation internals.

[github-actions]

Retrying the failed CI jobs for this pull request from the CI run attempt. The rerun is being tracked in the rerun attempt.

[Sébastien Ros (sebastienros)]

cc Lars Hanisch (@flensrocker)

[aspire-repo-bot]

✅ No documentation update needed.

docs_optional → internal_refactor

No signals triggered (signal_count = 0).

The PR hides OrleansProviderTypeAnnotation as an internal type while keeping WithOrleansProviderType as the public API. The PR checklist confirms no public API was added. Tests were updated to validate behavior through Orleans configuration rather than inspecting the internal annotation. All changed files match the internal_refactor allowlist category — a src/ change that removes a type from public surface with no new or changed public types, methods, or options.