[anurag4DSB]

Spec: https://claude.ai/artifact/QhKsCqtGNzaVice35nvip9#bcc30d01-27db.m1yth80jczv.20396

Intent: why does this change exist?

• An account needs to remove a destination that it no longer uses.

System impact: what's affected, including downstream?

• With all five handlers in place, the switch no longer answers 501 for a missing handler.

Preserved behavior: what explicitly stays the same?

• A Delete never removes a record of another account.
• On file, a record removed by a parallel request still gets 204. The end state is the same.

Intended change: what's different after this PR?

• Delete answers 204 with no body, or 404 for an unknown name.
• Each route test now deletes the destinations that it created, in an afterEach, so a run leaves no record.

Verification: how do we know this worked, or how would we know if it didn't?

• Unit tests run the handler on mem.
• Functional route tests in s3c-ft-tests and file-ft-tests check Delete through Get and List.

https://claude.ai/code/session_01LSEjuApZSsJxDp6dw1FhVa

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.32%. Comparing base (40e765b) to head (ebc0ad7).
✅ All tests successful. No failed tests found.

Additional details and impacted files

Files with missing lines	Coverage Δ
lib/api/api.js	93.89% <100.00%> (+0.01%)	⬆️
lib/api/notificationDestinationDelete.js	100.00% <100.00%> (ø)

... and 3 files with indirect coverage changes

@@                              Coverage Diff                               @@
##           improvement/CLDSRV-1067-destination-update    #6369      +/-   ##
==============================================================================
- Coverage                                       88.33%   88.32%   -0.02%     
==============================================================================
  Files                                             216      217       +1     
  Lines                                           14737    14769      +32     
==============================================================================
+ Hits                                            13018    13044      +26     
- Misses                                           1719     1725       +6     

Flag	Coverage Δ
checksums-disabled-tests	35.10% <18.18%> (-0.04%)	⬇️
file-ft-tests	71.66% <81.81%> (-0.04%)	⬇️
file-ft-tests-null-compat	72.17% <81.81%> (+0.01%)	⬆️
kmip-ft-tests	27.95% <18.18%> (-0.02%)	⬇️
mongo-v0-ft-tests	70.51% <21.21%> (-0.17%)	⬇️
mongo-v1-ft-tests	70.53% <21.21%> (-0.08%)	⬇️
multiple-backend	35.81% <18.18%> (-0.04%)	⬇️
s3c-ft-tests-v0	66.99% <81.81%> (+0.05%)	⬆️
s3c-ft-tests-v0-null-compat	67.07% <81.81%> (+0.07%)	⬆️
s3c-ft-tests-v1	66.97% <81.81%> (+0.03%)	⬆️
sur-tests	36.35% <18.18%> (-0.91%)	⬇️
sur-tests-inflights	39.12% <18.18%> (-0.08%)	⬇️
unit	76.40% <100.00%> (+0.05%)	⬆️
utapi-v2-tests	35.05% <18.18%> (-0.04%)	⬇️

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