feat: added jobservice pools, workers, jobs subcommand

[NishchayRajput]

Description

Briefly describe what this pull request does and why the change is needed.

This PR adds the remaining jobservice subcommands under harbor jobservice for workers, worker pools, and job logs.
It improves CLI parity with the Harbor Job Service dashboard by exposing worker pool listing, worker listing with pagination, and job log viewing from the CLI.

• Fixes [feature]: Implementing Jobservice Dashboard in CLI #774

Type of Change

Please select the relevant type.

• Bug fix
• New feature
• Documentation update
• Refactor
• Chore / maintenance

Changes

• Added worker pool command group support: pools list.
• Added worker command group support: workers list, workers free, workers free-all.
• Added job log command support: jobs log.
• Added jobservice API handlers and rendering helpers for pools, workers, and job logs.

Command and Flag Behavior

Commands added

• harbor jobservice pools list
• harbor jobservice workers list
• harbor jobservice workers free
• harbor jobservice workers free-all
• harbor jobservice jobs log

Supported flags by command

• harbor jobservice pools list

  • no pools-specific flags
  • supports global --output-format json|yaml

• harbor jobservice workers list

  • --pool <pool-id|all>
  • --all
  • --pool-all (compatibility alias)
  • --page
  • --page-size
  • supports a positional [POOL_ID] for backward compatibility
  • supports global --output-format json|yaml

• harbor jobservice workers free

  • --job-id (required)

• harbor jobservice workers free-all

  • no workers-specific flags

• harbor jobservice jobs log

  • --job-id (required)

Default behavior

• workers list defaults to all pools when no pool selector is provided.
• workers list defaults to page 1 and page-size 20.
• workers list paginates in the CLI because the backend API only accepts pool_id.
• workers free stops the single job identified by --job-id.
• workers free-all stops all running jobs to free busy workers.
• jobs log prints the selected job log and returns a clear empty-state message when no log content is available.

[NucleoFusion]

Can you convert this to a draft, since this would cause conflicts with the other PR #795
And we can wait till the other gets merged

[qcserestipy]

In principle LGTM, the commands however should be only accessible for admins. Please make sure that a user needs elevated priviledges.

[codecov]

Codecov Report

❌ Patch coverage is 37.17949% with 196 lines in your changes missing coverage. Please review.
✅ Project coverage is 9.42%. Comparing base (60ad0bd) to head (b668590).
⚠️ Report is 163 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/api/jobservice_handler.go	0.00%	44 Missing ⚠️
cmd/harbor/root/jobservice/workers/cmd.go	0.00%	23 Missing ⚠️
cmd/harbor/root/jobservice/workers/list.go	53.06%	22 Missing and 1 partial ⚠️
pkg/utils/jobservice/errors.go	0.00%	22 Missing ⚠️
cmd/harbor/root/jobservice/cmd.go	0.00%	18 Missing ⚠️
cmd/harbor/root/jobservice/workers/free.go	0.00%	17 Missing ⚠️
cmd/harbor/root/jobservice/jobs/log.go	50.00%	14 Missing and 2 partials ⚠️
cmd/harbor/root/jobservice/workers/free_all.go	0.00%	13 Missing ⚠️
cmd/harbor/root/jobservice/pools/list.go	36.84%	11 Missing and 1 partial ⚠️
pkg/views/jobservice/workers/view.go	81.81%	3 Missing and 3 partials ⚠️
... and 1 more

Additional details and impacted files

@@            Coverage Diff            @@
##             main    #796      +/-   ##
=========================================
- Coverage   10.99%   9.42%   -1.57%     
=========================================
  Files         173     293     +120     
  Lines        8671   14277    +5606     
=========================================
+ Hits          953    1346     +393     
- Misses       7612   12806    +5194     
- Partials      106     125      +19     

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[qcserestipy]

Thank you for your contribution! I added several nit picks here and there.

[NishchayRajput]

Thank you for your contribution! I added several nit picks here and there.

Thanks for reviewing. Will do the required changes by today.