feat(controller): Reconcile TriageRun jobs

[amwarrier]

Summary

Add the TriageRun reconciler and structured triage action catalog to Application.

An Application declares a shared runner (command, base args, env, resources, timeout) plus action objects containing name, description, and optional action-specific args. Each selected TriageRun.spec.actions[].name is resolved before any work starts, so an invalid request cannot partially execute.

Each selected action gets its own owned one-shot Job. The Job inherits the Application workload's service account and runtime context, uses the smaller triage resource envelope, and invokes the shared runner as:

<command> <base args> <action name> <action args>

This keeps the controller application-agnostic while allowing the diagnostic container to choose the correct check set. The controller reads structured stdout, records per-action phase/results/summary in status.actionStatuses, and computes the aggregate run phase and summary.

Validation

• Targeted controller, manifest parser, and structured-output tests pass.
• A multi-action test verifies that selected actions produce independent owned Jobs and aggregate into one completed run.
• The reconciler reports missing actions, missing Jobs, failed Jobs, and invalid output through status conditions.

Stack

• Depends on: feat(api): Define TriageRun CRD #304
• This PR: Application action catalog, controller, and Job execution

[coderabbitai]

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch codex/triage-run-controller

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