Feat/max topics per namespace

[miton18]

Motivation

Some features on the API are not exposes through the admin client

Modifications

add missing methods

Verifying this change

• Make sure that the change passes the CI checks.

This change added tests and can be verified as follows:
TestNamespaces_GetMaxTopicsPerNamespace

Does this pull request potentially affect one of the following parts:

If yes was chosen, please highlight the changes

• Dependencies (does it add or upgrade a dependency): no
• The public API: no
• The schema: no
• The default values of configurations: no
• The wire protocol: no

Documentation

• Does this pull request introduce a new feature? yes
• If yes, how is the feature documented? not applicable
• If a feature is not applicable for documentation, explain why?
• If a feature is not documented yet in this PR, please create a followup issue for adding the documentation

[lhotari]

@miton18 Thanks for the contribution! Please merge origin/master to your PR branch to resolve the conflicts or rebase your PR.

[Copilot]

Pull Request Overview

This PR adds missing methods to the Pulsar admin client for managing the maximum number of topics per namespace. The implementation provides complete CRUD operations for this namespace-level configuration.

• Added three new methods to the Namespaces interface: SetMaxTopicsPerNamespace, GetMaxTopicsPerNamespace, and RemoveMaxTopicsPerNamespace
• Implemented the corresponding methods in the namespaces struct with proper REST API endpoints
• Added comprehensive test coverage for all new functionality including edge cases

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
pulsaradmin/pkg/admin/namespace.go	Adds interface definitions and implementations for max topics per namespace operations
pulsaradmin/pkg/admin/namespace_test.go	Adds test cases covering valid/invalid scenarios and CRUD operations

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[crossoverJie]

Thank you for your contribution, merging.