fix(lifecycle): bind deletion receipts to immutable identity

[seonghobae]

Objective

Advance issue #263 with a clean protected-main lifecycle foundation: future durable deletion receipts need one immutable tenant/job/request/artifact/audit identity that cannot accept blank authority or a non-canonical artifact digest.

Test-first state

This Draft starts intentionally RED at exact test-only head 08c1abac4333a265da8941d7496b4bf40b269aa6. ArtifactDeletionReceiptIdentityTest requires a bounded immutable identity record with canonical lowercase SHA-256 artifact binding, normalized nonblank tenant/audit identifiers, and required request/job/time authority. Protected main does not contain the production type, so Maven test compilation is expected to fail until the narrow value object is added.

Scope

Two-file lifecycle identity slice only. It does not implement receipt persistence, deletion state transitions, cleanup/retry, artifact-store mutation, admin APIs, UI, distributed locking, or canonical documentation. It is path-disjoint from #350/#351 and does not copy stale #268 ancestry.

Acceptance

Observe exact-head RED -> add only the production identity record -> exact-head mvn -B --no-transfer-progress verify with zero missed owned production coverage and warning-free public Javadocs -> CI/Security Scan/SAST/fuzz -> current reviews/threads/base refetch. Keep Draft until GREEN exact-head evidence exists; independent write-authorized approval remains a separate merge gate.

Summary by CodeRabbit

• 새 기능

  • 아티팩트 삭제 영수증 식별 정보를 안전하게 관리하는 불변 식별자를 추가했습니다.
  • 요청·테넌트·작업·감사 정보, 체크섬 및 요청 시각을 검증하고 표준화합니다.

• 테스트

  • 필수값, 공백 및 길이 제한, SHA-256 체크섬 형식 검증을 추가했습니다.

[coderabbitai]

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Review details

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 8c4ae2cd-5efa-42a6-809b-5e9c8c3b9ef5

📥 Commits

Reviewing files that changed from the base of the PR and between 2213c60 and e85a177.

📒 Files selected for processing (2)

• src/main/java/com/clearfolio/viewer/lifecycle/ArtifactDeletionReceiptIdentity.java
• src/test/java/com/clearfolio/viewer/lifecycle/ArtifactDeletionReceiptIdentityTest.java

📝 Walkthrough

Walkthrough

삭제 영속성 요청의 식별 정보를 담는 불변 record를 추가했다. 필수값, 텍스트 정규화와 길이, lowercase SHA-256 형식을 검증한다. 생성 결과와 예외 조건을 JUnit 테스트로 검증한다.

Changes

삭제 영속성 식별자

Layer / File(s)	Summary
식별자 record 및 입력 검증 src/main/java/com/clearfolio/viewer/lifecycle/ArtifactDeletionReceiptIdentity.java	ArtifactDeletionReceiptIdentity public record가 요청 ID, 테넌트 ID, 작업 ID, 체크섬, 감사 상관관계 ID, 요청 시각을 보유한다. 생성 시 필수값, trim 정규화, 텍스트 길이, lowercase 64자리 SHA-256 형식을 검증한다.
식별자 검증 테스트 src/test/java/com/clearfolio/viewer/lifecycle/ArtifactDeletionReceiptIdentityTest.java	값 보존과 trim 동작을 검증한다. null, 공백, 길이 초과, 대문자 및 잘못된 길이의 체크섬에 대한 예외와 메시지를 검증한다.

Estimated code review effort: 3 (Moderate) | ~20 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	제목은 불변 삭제 영수증 식별자를 추가하는 변경의 주요 목적을 정확하고 간결하게 설명합니다.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/deletion-receipt-identity-main-20260811

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In
`@src/main/java/com/clearfolio/viewer/lifecycle/ArtifactDeletionReceiptIdentity.java`:
- Around line 51-57: Update requireSha256 in ArtifactDeletionReceiptIdentity to
validate the original artifactChecksum without stripping whitespace, while still
rejecting null, blank, and any value that is not exactly a 64-character
lowercase SHA-256 digest. Add a regression case to
ArtifactDeletionReceiptIdentityTest asserting that leading or trailing
whitespace causes validation to fail.

🪄 Autofix

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 66fc97c8-16f9-4ef4-9fb0-51bafcd4f693

📥 Commits

Reviewing files that changed from the base of the PR and between 55d7ae8 and 2213c60.

📒 Files selected for processing (2)

• src/main/java/com/clearfolio/viewer/lifecycle/ArtifactDeletionReceiptIdentity.java
• src/test/java/com/clearfolio/viewer/lifecycle/ArtifactDeletionReceiptIdentityTest.java