fix/loops

[hugoh]

• fix: increased logging for failed checks & down action
• refactor(downaction): simplified loop
• refactor(loop): remove no-op timer.Stop and inline hasDownAction
• refactor(downaction): remove no-op timer.Stop and dead ErrInvalidCommand
• refactor(cmd): remove dead ExitCodeError and ConfigDump
• refactor(status): remove unused NewStatHandler constructor
• refactor(conf): simplify redundant var declaration
• refactor(status): inline InvalidRangeMsg const
• refactor(status): inline InvalidRangeMsg const
• refactor(check): remove unused Report getter methods
• refactor: fixed linting issues
• fix(dns): probe config parsing

[codecov]

Codecov Report

❌ Patch coverage is 67.34694% with 64 lines in your changes missing coverage. Please review.
✅ Project coverage is 83.91%. Comparing base (ad309d6) to head (1ff7c1d).

Files with missing lines	Patch %	Lines
internal/logic/downaction.go	67.90%	25 Missing and 1 partial ⚠️
internal/status/stat-server.go	32.25%	21 Missing ⚠️
internal/conf.go	78.94%	8 Missing ⚠️
internal/cmd.go	16.66%	5 Missing ⚠️
internal/logic/loop.go	85.18%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #259      +/-   ##
==========================================
- Coverage   88.36%   83.91%   -4.45%     
==========================================
  Files          18       18              
  Lines         842      920      +78     
==========================================
+ Hits          744      772      +28     
- Misses         67      116      +49     
- Partials       31       32       +1     

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

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

See analysis details on SonarQube Cloud

[deepsource-io]

DeepSource Code Review

We reviewed changes in ad309d6...1ff7c1d on this pull request. Below is the summary for the review, and you can see the individual issues we found as inline review comments.

See full review on DeepSource ↗

PR Report Card

Overall Grade

Security   Reliability   Complexity   Hygiene

Code Review Summary

Analyzer	Status	Updated (UTC)	Details
Go		Jun 8, 2026 3:46a.m.	Review ↗
Secrets		Jun 8, 2026 3:46a.m.	Review ↗

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