porchctl improvements

[mozesl-nokia]

Title

porchctl improvements

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Description

• What changed:
  • Cleaned up porchctl rpkg get field selectors, made the selectors additive
  • Explicit --namespace is no longer necessary for most commands, will try to default to kubeconfig context, env var, or "default"
  • Added a bunch of aliases and shorthands for command flags
  • porchctl rpkg pull can now overwrite a folder's contents if it is the same package or --force is passed to it
• Why it’s needed: To make porchctl more user friendly
• How it works: See "What changed"

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Related Issue(s)

None

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Type of Change

• Enhancement
• Refactor
• Documentation
• Tests

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Checklist

• Code follows project style guidelines
• Self-reviewed changes
• Tests added/updated
• Documentation added/updated
• All tests and gating checks pass

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Additional Notes (Optional)

• Known issues:
• Further improvements:
• Review notes: ~800 lines are just tests and test code, so the "production" part is only ~350

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AI Disclosure

• I have used AI in the creation of this PR.

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[mozesl-nokia]

I don't think getting the coverage much higher can be done meaningfully...

[sonarqubecloud]

Quality Gate failed

Failed conditions
50.4% Coverage on New Code (required ≥ 80%)

See analysis details on SonarQube Cloud

[Catalin-Stratulat-Ericsson]

seems mostly fine but i haven't had a proper deep dive review but just a few questions.

1. firstly why in the description do we mark documentation as included in this PR if there is none?
2. secondly if were making cli changes to arguments should these not also be represented in our docs here? https://docs.porch.nephio.org/docs/7_cli_api/porchctl/
3. were not including any major or incompatible changes to our CLI with this are we? e.g. https://github.com/nephio-project/porch/actions/runs/25310073067 * please ignore the clone and init failure messages they are just due to text changes on the CLI output.

ill do more of a deep dive review a little later but looks good so far. thank you :)