[Volcano Enhancement Proposal] Capacity plugin features and design changes

[hajnalmt]

VEP: Capacity plugin design changes

Summary

Currently I have several issues with the plugin itself, most of them are coming from the fragile architecture the current hierarchical queue design has. In this enhancemanent propsal I try unfold the issues step by step.

Motivation

• Why this change is needed
• What problem it solves
• Who benefits from it

Goals

• Clear, measurable goals
• What success looks like

Non‑Goals

• What is explicitly not included

Proposal

Describe the design, architecture, or workflow changes.

Implementation Plan

• Write initial design doc
• Gather feedback from maintainers
• Finalize API changes
• Implement feature in code
• Add tests
• Update documentation
• Release in version X.Y

Risks and Mitigations

• Potential issues
• How to reduce or avoid them

Alternatives Considered

• Other approaches you evaluated

Open Questions

• Question 1
• Question 2
• Question 3

Documentation Updates

• This feature requires design or user documentation changes.
• If documentation changes are required, I will ensure the relevant documents are updated and published to the Volcano official website (https://volcano.sh) via the volcano-sh/website repository.