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Copilot 76b54649d6 remove migrated .NET MEVD providers, add redirect READMEs (#14193)
### Motivation and Context

All .NET MEVD vector store providers have been migrated to the
[CommunityToolkit/AI
repository](https://github.com/CommunityToolkit/AI). This removes the
now-redundant source code and tests from this repo and leaves
discoverable redirects in their place.

### Description

**Removed source + tests** for 12 providers (Chroma and Milvus kept
unchanged):
- **AzureAISearch, CosmosMongoDB, CosmosNoSql, InMemory, PgVector,
Qdrant, Redis, SqlServer, SqliteVec, Weaviate** → moved to
[CommunityToolkit/AI/MEVD/src/](https://github.com/CommunityToolkit/AI/tree/main/MEVD/src)
- **MongoDB** → moved to
[mongodb/mongo-mevd-provider](https://github.com/mongodb/mongo-mevd-provider)
- **Pinecone** → removed; Pinecone archived their [.NET
SDK](https://github.com/pinecone-io/pinecone-dotnet-client), no longer
supported
- **Common** → removed (was only shared by SqlServer/SqliteVec/PgVector,
all gone)

**Added `README.md`** in each removed provider directory pointing to the
new upstream location (or explaining Pinecone deprecation).

**Removed all associated test projects** including the shared
`VectorData.ConformanceTests` infrastructure (no remaining consumers
after provider removal).

**Updated `dotnet/MEVD.slnx`** — now contains only Chroma and Milvus.

### Contribution Checklist

<!-- Before submitting this PR, please make sure: -->

- [ ] The code builds clean without any errors or warnings
- [ ] The PR follows the [SK Contribution
Guidelines](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md)
and the [pre-submission formatting
script](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md#development-scripts)
raises no violations
- [ ] All unit tests pass, and I have added new tests where possible
- [ ] I didn't break anyone 😄

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Co-authored-by: copilot-swe-agent[bot] <[email protected]>
2026-08-10 13:47:26 +00:00
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