Object Storage Batch A Checkpoint

Date: 2026-07-28
Branch: codex/objectstorage-production-capability
Worktree: /home/donghyeon/workspace/clean-architecture-backend-template-objectstorage
Claimed level: R0 application contract only
Provider readiness advanced: no

Implemented scope

Characterized the legacy caller-key overwrite, whole-object materialization, locator exposure, eager filesystem directory creation, optional S3 bucket provisioning, and Poster transaction/API coupling without changing those behaviors.
Added provider-neutral identities, opaque checked references/handles, bounded streaming callbacks, content identity, digest/range values, requests, receipts, outcomes, and narrow ports under dev.caskeleton.application.objectstorage.
Required an ObjectOperationKey on mutation requests and separated normal publication, scan-maintenance, purge-maintenance, direct, and staged privilege surfaces.
Added recursive contract-purity tests and an ArchUnit freeze for the one existing sample legacy import.
Marked the legacy ObjectStoragePort and StoredObject as removal boundaries without adapting new semantic calls back to raw keys.

No provider-neutral kernel, canonical namespace/control codec, local R1 provider, S3/MinIO qualification, sample migration, or R2 readiness claim is included.

TDD evidence

The planned RED checks failed only for the intentionally missing types or removal annotations:

ObjectStorageIdentityContractTest: missing identity types before Task 2 implementation.
ObjectContentContractTest and ObjectStorageValueContractTest: missing content/value types before Task 3 implementation.
ObjectStoragePortContractTest: missing request/receipt/port family before Task 4 implementation.
ObjectStorageArchitectureContractTest: missing legacy removal annotations before Task 5 implementation.

An initial ArchUnit DSL compilation error was a test-authoring error, not accepted as a RED result; the rule was corrected and rerun.

GREEN verification

All commands ran from src/ and completed with BUILD SUCCESSFUL:

./gradlew :application-core:resolveAndLockAll --write-locks
./gradlew :application-core:verifyDependencyLocks --console=plain
./gradlew :application-core:test --tests '*ObjectStorageIdentityContractTest' --console=plain
./gradlew :application-core:test \
  --tests '*ObjectContentContractTest' \
  --tests '*ObjectStorageValueContractTest' --console=plain
./gradlew :application-core:test --tests '*ObjectStoragePortContractTest' --console=plain
./gradlew :application-core:test \
  --tests '*ObjectStorageArchitectureContractTest' --console=plain
./gradlew :app-bootstrap:test --tests '*CleanArchitectureTest' --console=plain
./gradlew :application-core:check --console=plain
./gradlew verifyCleanArchitectureDependencies --console=plain
./gradlew :adapter:outbound:objectstorage:test :sample-portfolio:test --console=plain

The final combined legacy focused suites completed in 27 seconds. Deprecation-for-removal warnings are expected evidence that legacy consumers remain visible; they are not suppressed.

LLM Wiki capture

The canonical vault required by repository policy, /home/donghyeon/workspace/ai-tool/llm-wiki-private/, and its parent /home/donghyeon/workspace/ai-tool/ do not exist in this environment. Therefore the required raw/branch-notes/codex-objectstorage-production-capability.md could not be created or updated. No similarly named non-canonical clone was used. This exact access block is recorded in both the plan and design headers and here at the Batch A boundary.

Remaining gates and risks

External broker and REST consumers and deployed legacy data were not inspected; Gate A remains blocked for legacy removal or public API versioning.
The new contracts have no provider implementation yet.
The current legacy adapter retains whole-object and raw-locator behavior by design until the later migration batch.
No readiness registry row is promoted by this checkpoint.

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