CLDSRV-903: lint files and bump arsenal

[leif-scality]

• Lint files for future CompleteMPU changes
• Bump arsenal
• small refactor

[bert-e]

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[bert-e]

Incorrect fix version

The Fix Version/s in issue CLDSRV-903 contains:

• None

Considering where you are trying to merge, I ignored possible hotfix versions and I expected to find:

• 9.4.0

Please check the Fix Version/s of CLDSRV-903, or the target
branch of this pull request.

[claude]

LGTM — formatting-only changes and arsenal bump from 8.4.1 to 8.4.2 (pinned to tag). No behavioral changes detected.

- Minor nit: unnecessary string concatenation of two adjacent literals in validateChecksums.js:38 (suggestion provided inline).

Review by Claude Code

[codecov]

Codecov Report

❌ Patch coverage is 90.94828% with 21 lines in your changes missing coverage. Please review.
✅ Project coverage is 85.17%. Comparing base (0f6d34d) to head (93efed1).
⚠️ Report is 8 commits behind head on development/9.4.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
lib/api/completeMultipartUpload.js	90.13%	15 Missing ⚠️
lib/api/listParts.js	91.42%	6 Missing ⚠️

Additional details and impacted files

Files with missing lines	Coverage Δ
lib/api/apiUtils/integrity/validateChecksums.js	98.98% <100.00%> (ø)
lib/api/apiUtils/object/objectAttributes.js	100.00% <100.00%> (ø)
lib/api/listParts.js	92.43% <91.42%> (+0.06%)	⬆️
lib/api/completeMultipartUpload.js	89.35% <90.13%> (+0.04%)	⬆️

... and 5 files with indirect coverage changes

@@                 Coverage Diff                 @@
##           development/9.4    #6168      +/-   ##
===================================================
- Coverage            85.26%   85.17%   -0.10%     
===================================================
  Files                  207      207              
  Lines                13794    13796       +2     
===================================================
- Hits                 11762    11751      -11     
- Misses                2032     2045      +13     

Flag	Coverage Δ
file-ft-tests	69.34% <80.60%> (-0.02%)	⬇️
kmip-ft-tests	28.33% <3.01%> (-0.01%)	⬇️
mongo-v0-ft-tests	70.52% <82.75%> (-0.15%)	⬇️
mongo-v1-ft-tests	70.52% <82.75%> (-0.04%)	⬇️
multiple-backend	36.73% <3.87%> (-0.01%)	⬇️
sur-tests	35.72% <3.01%> (-0.04%)	⬇️
sur-tests-inflights	37.66% <43.96%> (-0.01%)	⬇️
unit	71.83% <88.79%> (+<0.01%)	⬆️
utapi-v2-tests	34.97% <46.98%> (-0.07%)	⬇️

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[claude]

LGTM

Pure formatting/lint pass plus arsenal bump from 8.4.1 to 8.4.2 (pinned to tag). No logic, control flow, error handling, or test assertion changes.

Review by Claude Code

[claude]

LGTM

Review by Claude Code

[claude]

LGTM

Review by Claude Code