[AZ-185][AZ-186] Batch 2

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_docs/03_implementation/reviews/batch_02_review.md

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+# Code Review Report
+
+**Batch**: 2 (AZ-185, AZ-186)
+**Date**: 2026-04-15
+**Verdict**: PASS_WITH_WARNINGS
+
+## Spec Compliance
+
+All 11 acceptance criteria across 2 tasks are satisfied with corresponding tests.
+
+| Task | ACs | Covered | Status |
+|------|-----|---------|--------|
+| AZ-185 Update Manager | 6 | 6/6 | All pass (10 tests) |
+| AZ-186 CI/CD Artifact Publish | 5 | 5/5 | All pass (8 tests) |
+
+## Findings
+
+| # | Severity | Category | File:Line | Title |
+|---|----------|----------|-----------|-------|
+| 1 | Low | Style | scripts/publish_artifact.py | Union syntax fixed |
+| 2 | Low | Maintainability | src/main.py:15 | Deprecated on_event startup |
+
+### Finding Details
+
+**F1: Union syntax fixed** (Low / Style)
+- Location: `scripts/publish_artifact.py:172,182`
+- Description: Used `list[str] | None` syntax, fixed to `Optional[List[str]]` for consistency
+- Status: Fixed
+
+**F2: Deprecated on_event startup** (Low / Maintainability)
+- Location: `src/main.py:15`
+- Description: `@app.on_event("startup")` is deprecated in modern FastAPI in favor of lifespan context manager
+- Suggestion: Migrate to `@asynccontextmanager lifespan` when upgrading FastAPI — not blocking
+- Task: AZ-185
+
+## Cross-Task Consistency
+
+- AZ-185 uses AZ-184's `ResumableDownloadManager` correctly via its public API
+- AZ-186 encrypt format (IV + AES-CBC + PKCS7) is compatible with AZ-184's `decrypt_cbc_file()`
+- AZ-186's `encryption_key` is hex-encoded; AZ-185's `_aes_key_from_encryption_field` handles hex decoding
+- Self-update ordering (loader last) correctly implemented in AZ-185