⚡ Bolt: [성능 최적화] 대형 HTML 템플릿의 문자열 치환 체이닝 제거

[seonghobae]

💡 What: ViewerUiController.java에서 HTML 뷰어 쉘을 반환할 때 사용하던 .replace() 문자열 체이닝을 사전에 분할된 private static final String 조각들과 문자열 연결 연산자(+)를 사용하는 방식으로 개선했습니다.

🎯 Why: 기존 방식은 크기가 큰 HTML 템플릿에 여러 번 .replace()를 호출하면서, 매 호출마다 불필요하게 거대한 String과 내부 char[] 인스턴스를 계속해서 할당하여 메모리와 가비지 컬렉터(GC)에 부담을 주고 있었습니다.

📊 Impact: 불필요한 객체 생성이 원천 차단되며, 컴파일 시 StringBuilder 패턴(또는 Java의 StringConcatFactory)으로 자동 최적화되어 한 번의 할당으로 HTML을 구성하므로 응답 속도 및 메모리 사용량이 개선됩니다.

🔬 Measurement: ViewerUiControllerTest 테스트가 정상 통과함을 확인했고, Checkstyle 및 100% 테스트 커버리지를 만족합니다.

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PR created automatically by Jules for task 13587827729480266836 started by @seonghobae

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[opencode-agent]

Pull request overview

OpenCode could not approve from deterministic current-head evidence because GitHub Checks have failed.

Findings

1. HIGH Current-head GitHub Checks - Fix failed required checks before approval

• Problem: Failed same-head checks remain for d5b3d7e324a47e85c018fe3a0acb1b19f9539bb5.
• Root cause: The model-unavailable evidence fallback is allowed only when peer GitHub Checks are complete and clean.
• Fix: Read and fix the failed check logs below, then rerun the current-head checks.
• Regression test: Keep the model-unavailable fallback gated on an empty failed-check rollup.

Failed checks:

• Strix Security Scan/strix: FAILURE (https://github.com/ContextualWisdomLab/clearfolio/actions/runs/29538598042/job/87755670310)
• Strix Security Scan/strix: failure (https://github.com/ContextualWisdomLab/clearfolio/actions/runs/29538598042/job/87755670310)

Changed-File Evidence Map

flowchart LR
  PR["PR changed files"] --> Evidence["OpenCode bounded evidence"]
  Evidence --> S1["Changed file (2 files)"]
  S1 --> I1["repository behavior"]
  I1 --> R1["Review risk: Changed file (2 files)"]
  R1 --> V1["required checks"]

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[opencode-agent]

OpenCode Review Overview

• Head SHA: d5b3d7e324a47e85c018fe3a0acb1b19f9539bb5
• Workflow run: 29764087420
• Workflow attempt: 1
• Gate result: REQUEST_CHANGES (approval step)

Pull request overview

OpenCode could not approve from deterministic current-head evidence because GitHub Checks have failed.

Findings

1. HIGH Current-head GitHub Checks - Fix failed required checks before approval

• Problem: Failed same-head checks remain for d5b3d7e324a47e85c018fe3a0acb1b19f9539bb5.
• Root cause: The model-unavailable evidence fallback is allowed only when peer GitHub Checks are complete and clean.
• Fix: Read and fix the failed check logs below, then rerun the current-head checks.
• Regression test: Keep the model-unavailable fallback gated on an empty failed-check rollup.

Failed checks:

• Strix Security Scan/strix: FAILURE (https://github.com/ContextualWisdomLab/clearfolio/actions/runs/29538598042/job/87755670310)
• Strix Security Scan/strix: failure (https://github.com/ContextualWisdomLab/clearfolio/actions/runs/29538598042/job/87755670310)

Changed-File Evidence Map

flowchart LR
  PR["PR changed files"] --> Evidence["OpenCode bounded evidence"]
  Evidence --> S1["Changed file (2 files)"]
  S1 --> I1["repository behavior"]
  I1 --> R1["Review risk: Changed file (2 files)"]
  R1 --> V1["required checks"]

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