Add capabilites field under ClusterState message

[hossainemruz]

Ticket: CRC-839

Notable Changes:

• Added new capabilites field under ClusterState that specifies whether some actions are allowed on the cluster or not.
• Moved scalability_info under capabilities.
• Deprecated old scalability_info field.

[github-actions]

PR Packages Published

Python Package:

• Version: 0.117.0.dev345+09f4eeb
• Package: qdrant-cloud-public-api
• Registry: https://us-python.pkg.dev/qdrant-cloud/python/
• To update run: uv add qdrant-cloud-public-api==0.117.0.dev345+09f4eeb

NPM Package:

• Version: 0.117.0-dev345.09f4eeb
• Package: @qdrant/qdrant-cloud-public-api
• Registry: https://us-npm.pkg.dev/qdrant-cloud/npm/
• To update run: npm install @qdrant/qdrant-cloud-public-api@0.117.0-dev345.09f4eeb

[github-actions]

The latest Buf updates on your PR. Results from workflow Pull Request / linting (pull_request).

Build	Format	Lint	Breaking	Updated (UTC)
✅ passed	✅ passed	✅ passed	✅ passed	Apr 20, 2026, 3:54 PM

[Robert-Stam]

one small remark, further LGTM

[Robert-Stam]

LGTM

[Robert-Stam]

LGTM, By the way: Should there be a reason why it's not available (like we have in ClusterScalabilityInfo)?

xref:

qdrant-cloud-public-api/proto/qdrant/cloud/cluster/v1/cluster.proto

Line 1160 in 2470b1e

optional string reason = 2 [(buf.validate.field).string.min_len = 1];