[ferhatelmas]

What kind of change does this PR introduce?

feat

What is the current behavior?

#1627 and #1683 added the database operations and outbox needed for noncurrent lifecycle deletion but executor to run was missing.

What is the new behavior?

Add a bucket executor that evaluates archived versions, deletes eligible metadata in bounded batches and removes the corresponding backend artifacts.
Failed artifact deletions remain in the outbox for retry.

Additional context

Scheduling the executor and retry helper is a next separate change.

[Copilot]

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[coveralls]

Coverage Report for CI Build 42856954115

Coverage increased (+0.1%) to 87.603%

Details

• Coverage increased (+0.1%) from the base build.
• Patch coverage: 1 uncovered change across 1 file (149 of 150 lines covered, 99.33%).
• No coverage regressions found.

Uncovered Changes

File	Changed	Covered	%
src/storage/lifecycle/executor.ts	90	89	98.89%
Total (5 files)	150	149	99.33%

Coverage Regressions

No coverage regressions found.

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Coverage Stats

Relevant Lines:	16052
Covered Lines:	14504
Line Coverage:	90.36%
Relevant Branches:	10188
Covered Branches:	8483
Branch Coverage:	83.26%
Branches in Coverage %:	Yes
Coverage Strength:	1354.26 hits per line

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💛 - Coveralls

[claude]

Nothing blocking. The comments below are optional suggestions. There is no need to push a fix for them before merging.