🧪 Add tests for verifyAdminCredentials

[seonghobae]

🎯 What: The testing gap addressed for verifyAdminCredentials inside packages/web/src/lib/server/admin-auth.ts.
📊 Coverage: The tests cover the happy paths, correct/incorrect combinations, as well as edge cases such as empty values.
✨ Result: 100% path coverage for the tested function verifyAdminCredentials.

@coderabbitai review

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PR created automatically by Jules for task 3979911454147245159 started by @seonghobae

[coderabbitai]

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: e8e3fec1-4e39-4a3e-b9a4-00516c0324ef

📥 Commits

Reviewing files that changed from the base of the PR and between cdf4ce8 and 37733f5.

📒 Files selected for processing (1)

• packages/web/src/lib/server/admin-auth.test.ts

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch jules-3979911454147245159-46f4eb01

✨ Simplify code

• Create PR with simplified code
• Commit simplified code in branch jules-3979911454147245159-46f4eb01

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[seonghobae]

최신 upstream/main 기준으로 이 PR은 81개 파일의 stale diff를 포함합니다. 특히 .claude agent/skill 파일 삭제와 오래된 워크플로우/lockfile/env 변경이 섞여 있어 그대로 유지하거나 upstream에 올리면 이미 반영된 변경을 되돌릴 위험이 큽니다.

현재 큐는 upstream #30 → upstream #21 순서로 정리 중입니다. 이 PR의 아이디어가 여전히 필요하면 최신 upstream/main에서 단일 목적 브랜치로 깨끗하게 다시 추출하겠습니다. stale PR로 닫습니다.