Feature: Extending Retention Cmd PR

[NucleoFusion]

Adding Retention support

• Adding retention list command.
• Adding retention create command.
• Adding retention delete command.

2025-11-01.19-06-57.mp4

resolves #183
buids upon #364

[codecov]

Codecov Report

❌ Patch coverage is 0% with 475 lines in your changes missing coverage. Please review.
✅ Project coverage is 6.21%. Comparing base (60ad0bd) to head (1180e49).
⚠️ Report is 62 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/api/retention_handler.go	0.00%	135 Missing ⚠️
cmd/harbor/root/tag/retention/create.go	0.00%	68 Missing ⚠️
pkg/views/retention/list/view.go	0.00%	59 Missing ⚠️
cmd/harbor/root/tag/retention/list.go	0.00%	52 Missing ⚠️
pkg/views/retention/create/view.go	0.00%	50 Missing ⚠️
cmd/harbor/root/tag/retention/delete.go	0.00%	48 Missing ⚠️
pkg/views/retention/select/view.go	0.00%	36 Missing ⚠️
cmd/harbor/root/tag/retention/cmd.go	0.00%	18 Missing ⚠️
pkg/prompt/prompt.go	0.00%	7 Missing ⚠️
cmd/harbor/root/tag/cmd.go	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##             main    #564      +/-   ##
=========================================
- Coverage   10.99%   6.21%   -4.78%     
=========================================
  Files         173     268      +95     
  Lines        8671   13317    +4646     
=========================================
- Hits          953     828     -125     
- Misses       7612   12383    +4771     
  Partials      106     106              

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