Track tenant-visible nodes in .status.nodes and reconcile via node metadata watches

[Copilot]

• Remove Nodes []string from api/v1beta1/tenant_status.go (unnecessary in the hub/conversion type)
• Remove the two Nodes conversion lines from api/v1beta2/tenant_conversion_hub.go
• Regenerate CRD and deepcopy artifacts
• Verify tests still pass

[codecov]

Codecov Report

❌ Patch coverage is 0% with 68 lines in your changes missing coverage. Please review.
✅ Project coverage is 11.49%. Comparing base (96d06c7) to head (8a0db76).
⚠️ Report is 6 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/controllers/tenant/utils.go	0.00%	40 Missing ⚠️
internal/controllers/tenant/status.go	0.00%	20 Missing ⚠️
api/v1beta2/zz_generated.deepcopy.go	0.00%	4 Missing ⚠️
internal/controllers/tenant/manager.go	0.00%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1901      +/-   ##
==========================================
- Coverage   11.58%   11.49%   -0.09%     
==========================================
  Files         248      248              
  Lines       11405    11473      +68     
==========================================
- Hits         1321     1319       -2     
- Misses      10040    10109      +69     
- Partials       44       45       +1     

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[github-actions]

This pull request has been marked as stale because it has been inactive for more than 30 days. Please update this pull request or it will be automatically closed in 30 days.