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NamespaceCleaner Controller

A basic loop-based Kubernetes controller that demonstrates how to watch and process custom resources.

What it does

This simple controller:

Lists NamespaceCleaner custom resources using generated clients
Runs a reconcile loop every 30 seconds to process each NamespaceCleaner

How to use

Setup your cluster and CRD:
```
make setup
```
Create test namespaces (optional):
```
make create-test-namespaces
```
Run the controller:
```
make run-controller
```

What you'll see

The controller will:

List all NamespaceCleaner resources on startup
Every 30 seconds, scan for NamespaceCleaner resources
For each resource, find matching namespaces based on label selectors
Log what it would delete (but won't actually delete for safety)