Fix mistakes and add missing details in the API reference docstrings and v5 migration

[mauvilsa]

Before submitting

• Did you read the contributing guideline?
• If you used a coding agent, did you fully understand and validate all generated code and ensure it follows the contributing guidelines?
• Did you update the documentation? (readme and public docstrings)
• [n/a] Did you write unit tests such that there is 100% coverage on related code? (required for bug fixes and new features)
• Did you verify that new and existing tests pass locally?
• [n/a] If this is a bug fix, did you verify that the tests fail without the code fix?
• Did you make sure that all changes preserve backward compatibility?
• [n/a] Did you update the CHANGELOG including a pull request link? (not for typos, docs, test updates, or minor internal changes/refactors)

[greptile-apps]

Confidence Score: 4/5

[Low impact] Fixes docstring wording and adds missing documentation details.

The PR appears safe to merge, with one non-blocking correction to the sub_configs description.

Findings

1.  File loading support is overstated ▶

Summary

Updates the API reference and v5 migration guide.

• Parser API docs explain config and command-line options.
• Value helper docs explain paths, namespaces, and typed arguments.
• The v5 guide gives clearer names and replacement examples.

_{Reviews (1) · Last reviewed commit: "Fix mistakes and add missing details in ..." · Reviewed by Greptile}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (7557e75) to head (98d1b1e).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #1010   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           27        27           
  Lines         9814      9814           
=========================================
  Hits          9814      9814           

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
100.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud