[djgormley]

This adds guides for readiness checks (doctor), verification (verify), and recursive discovery. Before this, the public guide didn't list doctor or verify in its navigation or command overview, and recursive discovery and several other current features were hard to find.

Every command is now linked from the overview. The User Guide is structured around setup, discovery, downloads, troubleshooting, and JSON output, and inventory creation links to resumable manifest downloads. In the setup examples, the certificate setting is now the correct vospace_certfile, and the setup page ends with a new doctor check.

All 18 generated pages and 869 internal references and search targets were checked, and the strict standalone MkDocs build passes. Overview links are there for all 12 registered commands. Focused pre-commit hooks pass, and the new guides were reviewed in source and checked in a browser. Runtime behavior doesn't change.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 82.99%. Comparing base (f52a917) to head (565a685).
⚠️ Report is 74 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #201       +/-   ##
===========================================
+ Coverage   67.08%   82.99%   +15.91%     
===========================================
  Files          16       33       +17     
  Lines        1686     4493     +2807     
===========================================
+ Hits         1131     3729     +2598     
- Misses        555      764      +209     

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