Add custom API server endpoint configuration for proxy scenarios#4635

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Copilot wants to merge 22 commits intomainfrom

copilot/allow-custom-api-server-endpoint

Commits on Feb 7, 2026

Initial plan
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Add custom API server endpoint configuration

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Add tests for API server endpoint configuration

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Add documentation for custom API server endpoint

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Feature complete: Allow custom API server endpoint

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Address PR feedback: Add Helm tests and in-cluster docs

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Add URL validation for custom API server endpoint

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Fix lint issues: Extract helper functions to reduce function length

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Address review comments: Add https validation, quote Helm values, improve docs

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Fix integration test formatting and use existing istrue constant

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Fix test logic: Fail if http URL doesn't return error

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Add comprehensive URL validation and unit tests

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Commits on Feb 8, 2026