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⚡ Bolt: 코드 관측 확률 벡터화 및 Viterbi 점수 메모리 축소 - #732

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⚡ Bolt: 코드 관측 확률 벡터화 및 Viterbi 점수 메모리 축소#732
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@seonghobae seonghobae commented Aug 1, 2026

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What

  • 코드 템플릿 유사도와 무음 판정 마스크를 NumPy 연산으로 벡터화합니다.
  • 유사도·RMS 프레임 수가 크로마그램보다 짧거나 긴 경우를 명시적으로 패딩 또는 절단합니다.
  • NumPy Viterbi 기준 구현의 전체 점수 행렬을 현재 점수 벡터로 축소하고, 역추적용 backpointer만 유지합니다.

Why

프레임별 Python 루프와 사용하지 않는 전체 Viterbi 점수 이력을 제거해 관측 확률 계산 비용과 기준 구현의 메모리 사용량을 줄이기 위함입니다. 기본 런타임은 계속 Rust Viterbi 커널을 사용하며, 이번 Viterbi 변경은 NumPy fallback/parity oracle을 최적화합니다.

Verification

  • 벡터화 결과를 독립적인 프레임별 스칼라 기준 구현과 수치 비교
  • 빈 입력, 짧은 입력, 동일 길이, 긴 입력에 대한 유한값·정규화 검증
  • rolling-score Viterbi를 이전 dense-score 알고리즘과 0/1/7/31 프레임에서 정확히 비교
  • 기존 Rust/NumPy 수치 동등성 계약 유지

Summary by CodeRabbit

  • 버그 수정

    • 유사도 및 크로마그램 프레임 수가 다르거나 입력이 비어 있어도 코드 분석이 안정적으로 처리됩니다.
    • 누락된 구간에는 중립적인 코드 확률을 적용해 결과의 일관성을 높였습니다.
    • 무음 구간과 코드 세그먼트의 신뢰도 계산이 다양한 입력 길이에서 안정적으로 동작합니다.
    • 짧거나 불완전한 오디오에서도 유효한 코드 분석 결과를 제공합니다.
  • 테스트

    • 빈 입력, 프레임 불일치, 메타데이터 누락 등 주요 예외 상황에 대한 검증을 강화했습니다.

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👋 Jules, reporting for duty! I'm here to lend a hand with this pull request.

When you start a review, I'll add a 👀 emoji to each comment to let you know I've read it. I'll focus on feedback directed at me and will do my best to stay out of conversations between you and other bots or reviewers to keep the noise down.

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Pull request overview

OpenCode cannot approve yet because required coverage evidence did not pass.

Review outcome

1. HIGH .github/workflows/opencode-review.yml:1 - Coverage evidence did not prove required test/docstring evidence

  • Problem: The required coverage-evidence job result was failure, so OpenCode cannot establish approval sufficiency for this head.

  • Root cause: Automated approval is only valid when the same-head coverage-evidence job proves supported repository test suites passed and configured docstring gates passed or were advisory, or reports not applicable because no supported source files or package manifests exist. Missing, failed, skipped, unavailable, or unsupported-tooling test evidence is a blocker.

  • Fix: Install or configure the repository test/docstring evidence tooling when source files or package manifests exist, rerun the current-head coverage-evidence job, and approve only after it reports success with required evidence or explicit no-source not-applicable evidence.

  • Regression test: Keep the approval branch checking needs.coverage-evidence.result == success before posting APPROVE, and publish REQUEST_CHANGES when coverage-evidence blocker states such as cancelled, skipped, failed, unsupported-tooling, or below-100 evidence are present.

  • Result: REQUEST_CHANGES

  • Reason: coverage-evidence result was failure, so required test/docstring evidence was not proven for current head fb9264c0f247a80f6e1fa313404dbbbd92eb9747.

  • Head SHA: fb9264c0f247a80f6e1fa313404dbbbd92eb9747

  • Workflow run: 30689434956

  • Workflow attempt: 1

Coverage evidence

Coverage Decision

  • Result: FAIL
  • Test evidence: not proven passing
  • Docstring evidence: not proven passing when configured
  • Failure count: 1

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"]
  Evidence --> S2["Test: test_chord_recognizer_opt.py"]
  S2 --> I2["regression suite"]
  I2 --> R2["Review risk: Test: test_chord_recognizer_opt.py"]
  R2 --> V2["targeted test run"]
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opencode-agent Bot commented Aug 1, 2026

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OpenCode Review Overview

  • Head SHA: 83dd33799543079c019dbd71c72f32aa2346b087
  • Workflow run: 31099859807
  • Workflow attempt: 1
  • Gate result: REQUEST_CHANGES (approval step)

Pull request overview

OpenCode cannot approve yet because required coverage evidence did not pass.

Review outcome

1. HIGH .github/workflows/opencode-review.yml:1 - Coverage evidence did not prove required test/docstring evidence

  • Problem: The required coverage-evidence job result was failure, so OpenCode cannot establish approval sufficiency for this head.

  • Root cause: Automated approval is only valid when the same-head coverage-evidence job proves supported repository test suites passed and configured docstring gates passed or were advisory, or reports not applicable because no supported source files or package manifests exist. Missing, failed, skipped, unavailable, or unsupported-tooling test evidence is a blocker.

  • Fix: Install or configure the repository test/docstring evidence tooling when source files or package manifests exist, rerun the current-head coverage-evidence job, and approve only after it reports success with required evidence or explicit no-source not-applicable evidence.

  • Regression test: Keep the approval branch checking needs.coverage-evidence.result == success before posting APPROVE, and publish REQUEST_CHANGES when coverage-evidence blocker states such as cancelled, skipped, failed, unsupported-tooling, or below-100 evidence are present.

  • Result: REQUEST_CHANGES

  • Reason: coverage-evidence result was failure, so required test/docstring evidence was not proven for current head 83dd33799543079c019dbd71c72f32aa2346b087.

  • Head SHA: 83dd33799543079c019dbd71c72f32aa2346b087

  • Workflow run: 31099859807

  • Workflow attempt: 1

Coverage evidence

Coverage evidence job did not run or did not publish coverage evidence.

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"]
  Evidence --> S2["Test (2 files)"]
  S2 --> I2["regression suite"]
  I2 --> R2["Review risk: Test (2 files)"]
  R2 --> V2["targeted test run"]
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@seonghobae
seonghobae dismissed opencode-agent[bot]’s stale review August 3, 2026 00:08

Dismissed after verifying the exact head SHA against the repository's CI, build-baseline, security, SAST, secret-scan, SBOM, Bandit, release, and security-audit workflows; all completed successfully. The automated coverage-evidence review does not identify a remaining code defect on this head.

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✅ Action performed

Review finished.

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Review Change Stack

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Review details
⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: f83faefa-3bb2-4ad6-832b-9a4ff67ab7c3

📥 Commits

Reviewing files that changed from the base of the PR and between b94e54b and 83dd337.

⛔ Files ignored due to path filters (1)
  • package-lock.json is excluded by !**/package-lock.json
📒 Files selected for processing (3)
  • services/analysis-engine/src/bandscope_analysis/chords/chord_recognizer.py
  • services/analysis-engine/tests/test_chord_recognizer.py
  • services/analysis-engine/tests/test_chord_recognizer_opt.py
📝 Walkthrough

Walkthrough

ChordRecognizer가 입력 프레임 길이 불일치와 빈 similarity 데이터를 처리합니다. Viterbi 순방향 계산은 현재 상태 벡터만 유지합니다. 관련 엣지 케이스 테스트를 추가했습니다.

Changes

ChordRecognizer 최적화

Layer / File(s) Summary
관측 확률 및 프레임 정렬
services/analysis-engine/src/bandscope_analysis/chords/chord_recognizer.py, services/analysis-engine/tests/test_chord_recognizer_opt.py
Similarity와 RMS 길이를 chromagram 프레임 수에 맞춥니다. 누락 프레임에는 균등 chord 확률과 fallback 벡터를 적용합니다. 확률 크기, 유한성, 정규화를 검증합니다.
Viterbi 순방향 메모리 최적화
services/analysis-engine/src/bandscope_analysis/chords/chord_recognizer.py
전체 상태·프레임 점수 테이블 대신 현재 상태 점수 벡터를 갱신합니다. Backpointer와 최종 traceback은 유지합니다.
세그먼트 신뢰도 및 fallback 처리
services/analysis-engine/src/bandscope_analysis/chords/chord_recognizer.py, services/analysis-engine/tests/test_chord_recognizer_opt.py
Similarity 프레임이 부족하거나 없을 때 0 similarity 벡터를 사용합니다. 단일 C 세그먼트와 낮은 신뢰도 결과를 검증합니다.

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

Possibly related PRs

Suggested labels: codex

🚥 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 관측 확률 벡터화와 Viterbi 점수 메모리 축소라는 PR의 주요 변경 사항을 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.
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  • Commit on current branch
🧪 Generate unit tests (beta)
  • Create PR with unit tests
  • Commit unit tests in branch jules-15985039724708397070-07b0954f

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@seonghobae
seonghobae enabled auto-merge (squash) August 3, 2026 00:10
@seonghobae
seonghobae marked this pull request as draft August 3, 2026 01:29
auto-merge was automatically disabled August 3, 2026 01:29

Pull request was converted to draft

@seonghobae
seonghobae marked this pull request as ready for review August 3, 2026 01:29
@seonghobae seonghobae changed the title ⚡ Bolt: [성능 개선] 코드 인식기(Chord Recognizer)의 Viterbi 디코딩 및 관측 확률 계산 벡터화 ⚡ Bolt: 코드 관측 확률 벡터화 및 Viterbi 점수 메모리 축소 Aug 3, 2026
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I have addressed the review feedback by explicitly handling array length mismatches (similarity.shape[1] vs n_frames vs len(rms)) with truncation or np.pad in the vectorized _build_observation_probs method. I have also added explicit unit tests for these edge cases in tests/test_chord_recognizer_opt.py to restore coverage to 100%. The package-lock.json modifications have been reverted.

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seonghobae enabled auto-merge (squash) August 3, 2026 02:07

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✅ Action performed

Review finished.

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Acknowledged.

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@opencode-agent @cwl-noema-review Please independently review exact current head 5f7244bdc996418e0a7da6ef2f4dc0b92b896a08 after the remaining exact-head checks complete. Verify vectorized observation probabilities against an independent scalar oracle, neutral missing similarity/RMS padding that does not manufacture no-chord evidence, short/long frame alignment, per-column finiteness and normalization, rolling-score Viterbi equivalence for 0/1/7/31 frames, Rust/NumPy parity, and no production arithmetic migration away from the Rust runtime path. Submit APPROVE only if no blocker remains.

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@seonghobae: I will review the changes at current head 5f7244bdc996418e0a7da6ef2f4dc0b92b896a08. I will check the requested oracle comparisons, frame alignment, normalization, Viterbi cases, Rust/NumPy parity, and Rust production path.

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Pull request overview

OpenCode cannot approve yet because required coverage evidence did not pass.

Review outcome

1. HIGH .github/workflows/opencode-review.yml:1 - Coverage evidence did not prove required test/docstring evidence

  • Problem: The required coverage-evidence job result was failure, so OpenCode cannot establish approval sufficiency for this head.

  • Root cause: Automated approval is only valid when the same-head coverage-evidence job proves supported repository test suites passed and configured docstring gates passed or were advisory, or reports not applicable because no supported source files or package manifests exist. Missing, failed, skipped, unavailable, or unsupported-tooling test evidence is a blocker.

  • Fix: Install or configure the repository test/docstring evidence tooling when source files or package manifests exist, rerun the current-head coverage-evidence job, and approve only after it reports success with required evidence or explicit no-source not-applicable evidence.

  • Regression test: Keep the approval branch checking needs.coverage-evidence.result == success before posting APPROVE, and publish REQUEST_CHANGES when coverage-evidence blocker states such as cancelled, skipped, failed, unsupported-tooling, or below-100 evidence are present.

  • Result: REQUEST_CHANGES

  • Reason: coverage-evidence result was failure, so required test/docstring evidence was not proven for current head 82a8cbfd78073eb4c3f58ff9af1ac24f84151c3d.

  • Head SHA: 82a8cbfd78073eb4c3f58ff9af1ac24f84151c3d

  • Workflow run: 30937508856

  • Workflow attempt: 1

Coverage evidence

Coverage evidence job did not run or did not publish coverage evidence.

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"]
  Evidence --> S2["Test: test_chord_recognizer_opt.py"]
  S2 --> I2["regression suite"]
  I2 --> R2["Review risk: Test: test_chord_recognizer_opt.py"]
  R2 --> V2["targeted test run"]
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opencode-agent Bot disabled auto-merge August 4, 2026 20:05

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@coderabbitai review

Please review exact current head 82a8cbfd78073eb4c3f58ff9af1ac24f84151c3d. All repository workflows succeeded and the prior missing-frame finding is resolved. Recheck neutral similarity/RMS padding, uniform fallback preservation, frame-distinguishable padding/truncation tests, per-column normalization, segment confidence alignment, rolling-score Viterbi parity, and continued Rust ownership of the production Viterbi path.

@opencode-agent Please rerun exact-head review after central coverage can materialize this repository correctly; do not reuse prior failed coverage evidence.

@cwl-noema-review Please independently review this exact head. Merge remains subject to protected current-head checks and qualifying non-author approval.

@seonghobae
seonghobae enabled auto-merge (squash) August 5, 2026 12:05
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@seonghobae I will review the current PR head 82a8cbfd78073eb4c3f58ff9af1ac24f84151c3d. I will verify the specified fallback behavior, alignment, normalization, Viterbi parity, and Rust production path.

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@opencode-agent @cwl-noema-review Please independently review exact current head 5f7244bdc996418e0a7da6ef2f4dc0b92b896a08 after the remaining exact-head checks complete. Verify vectorized observation probabilities against an independent scalar oracle, neutral missing similarity/RMS padding that does not manufacture no-chord evidence, short/long frame alignment, per-column finiteness and normalization, rolling-score Viterbi equivalence for 0/1/7/31 frames, Rust/NumPy parity, and no production arithmetic migration away from the Rust runtime path. Submit APPROVE only if no blocker remains.

@coderabbitai review

Acknowledged.

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@coderabbitai review

Please review exact current head 82a8cbfd78073eb4c3f58ff9af1ac24f84151c3d. All repository workflows succeeded and the prior missing-frame finding is resolved. Recheck neutral similarity/RMS padding, uniform fallback preservation, frame-distinguishable padding/truncation tests, per-column normalization, segment confidence alignment, rolling-score Viterbi parity, and continued Rust ownership of the production Viterbi path.

@opencode-agent Please rerun exact-head review after central coverage can materialize this repository correctly; do not reuse prior failed coverage evidence.

@cwl-noema-review Please independently review this exact head. Merge remains subject to protected current-head checks and qualifying non-author approval.

Acknowledged.

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Pull request overview

OpenCode cannot approve yet because required coverage evidence did not pass.

Review outcome

1. HIGH .github/workflows/opencode-review.yml:1 - Coverage evidence did not prove required test/docstring evidence

  • Problem: The required coverage-evidence job result was failure, so OpenCode cannot establish approval sufficiency for this head.

  • Root cause: Automated approval is only valid when the same-head coverage-evidence job proves supported repository test suites passed and configured docstring gates passed or were advisory, or reports not applicable because no supported source files or package manifests exist. Missing, failed, skipped, unavailable, or unsupported-tooling test evidence is a blocker.

  • Fix: Install or configure the repository test/docstring evidence tooling when source files or package manifests exist, rerun the current-head coverage-evidence job, and approve only after it reports success with required evidence or explicit no-source not-applicable evidence.

  • Regression test: Keep the approval branch checking needs.coverage-evidence.result == success before posting APPROVE, and publish REQUEST_CHANGES when coverage-evidence blocker states such as cancelled, skipped, failed, unsupported-tooling, or below-100 evidence are present.

  • Result: REQUEST_CHANGES

  • Reason: coverage-evidence result was failure, so required test/docstring evidence was not proven for current head a03f3cccc556cc81b24cda031432a5d72b01f873.

  • Head SHA: a03f3cccc556cc81b24cda031432a5d72b01f873

  • Workflow run: 31021323370

  • Workflow attempt: 1

Coverage evidence

Coverage evidence job did not run or did not publish coverage evidence.

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"]
  Evidence --> S2["Test: test_chord_recognizer_opt.py"]
  S2 --> I2["regression suite"]
  I2 --> R2["Review risk: Test: test_chord_recognizer_opt.py"]
  R2 --> V2["targeted test run"]
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opencode-agent Bot disabled auto-merge August 5, 2026 17:12

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@opencode-agent @cwl-noema-review Please independently re-review exact current head a03f3cccc556cc81b24cda031432a5d72b01f873. All repository-local CI, build, release, audit, SAST, Security Scan, secret-scan, Bandit, and SBOM workflows succeeded on this SHA, and all inline findings are resolved. The remaining central coverage failure is the trusted Python lock-materialization prerequisite tracked in ContextualWisdomLab/.github#743.

@seonghobae
seonghobae enabled auto-merge (squash) August 6, 2026 08:50
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@opencode-agent @cwl-noema-review Please independently re-review exact current head a03f3cccc556cc81b24cda031432a5d72b01f873. All repository-local CI, build, release, audit, SAST, Security Scan, secret-scan, Bandit, and SBOM workflows succeeded on this SHA, and all inline findings are resolved. The remaining central coverage failure is the trusted Python lock-materialization prerequisite tracked in ContextualWisdomLab/.github#743.

Acknowledged.

seonghobae and others added 3 commits August 6, 2026 09:10
…austion

This commit addresses a DoS vulnerability reported by the Strix security audit tool. The `chord_recognizer` could be provided an extremely high sampling rate (e.g. 1e9 Hz) which would result in large memory allocations when trying to process the data, causing out-of-memory errors and crashing the service.

The fix adds parameter bounds checking on the sampling rate (`min_sr = 1`, `max_sr = 384000`) before any execution or variable assignment. Unit tests have been added to verify that the bounding limits work as intended and `ValueError`s are raised properly. The CI branch has also been cleaned of temporary workflow files.

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Pull request overview

OpenCode cannot approve yet because required coverage evidence did not pass.

Review outcome

1. HIGH .github/workflows/opencode-review.yml:1 - Coverage evidence did not prove required test/docstring evidence

  • Problem: The required coverage-evidence job result was failure, so OpenCode cannot establish approval sufficiency for this head.

  • Root cause: Automated approval is only valid when the same-head coverage-evidence job proves supported repository test suites passed and configured docstring gates passed or were advisory, or reports not applicable because no supported source files or package manifests exist. Missing, failed, skipped, unavailable, or unsupported-tooling test evidence is a blocker.

  • Fix: Install or configure the repository test/docstring evidence tooling when source files or package manifests exist, rerun the current-head coverage-evidence job, and approve only after it reports success with required evidence or explicit no-source not-applicable evidence.

  • Regression test: Keep the approval branch checking needs.coverage-evidence.result == success before posting APPROVE, and publish REQUEST_CHANGES when coverage-evidence blocker states such as cancelled, skipped, failed, unsupported-tooling, or below-100 evidence are present.

  • Result: REQUEST_CHANGES

  • Reason: coverage-evidence result was failure, so required test/docstring evidence was not proven for current head 83dd33799543079c019dbd71c72f32aa2346b087.

  • Head SHA: 83dd33799543079c019dbd71c72f32aa2346b087

  • Workflow run: 31099859807

  • Workflow attempt: 1

Coverage evidence

Coverage evidence job did not run or did not publish coverage evidence.

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"]
  Evidence --> S2["Test (2 files)"]
  S2 --> I2["regression suite"]
  I2 --> R2["Review risk: Test (2 files)"]
  R2 --> V2["targeted test run"]
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@opencode-agent
opencode-agent Bot disabled auto-merge August 6, 2026 14:35
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2 participants