Handle unavailable OpenCode target reviews

[seonghobae]

Fixes the central OpenCode approval path observed while reviewing ContextualWisdomLab/html4tree#20: when every OpenCode model attempt fails to produce a publishable current-head control block, the selected-output gate path should reuse the existing deterministic current-head fallback instead of ending with OPENCODE_REVIEW_UNAVAILABLE.\n\nAlso aligns the OpenCode runtime/read contract docs and config with the existing self-test expectations.

[opencode-agent]

Pull request overview

OpenCode reviewed the current-head mergeability evidence and changed-file flow before approval, then found merge conflicts on the affected path.

Findings

1. HIGH Merge Conflict Guidance - Resolve the PR branch against the latest base branch

• Problem: GitHub reports mergeStateStatus DIRTY for this pull request.
• Root cause: Branch codex/fix-opencode-unavailable-fallback cannot be merged cleanly into main; the changed-file flow below shows which review/runtime path is blocked by the conflict.
• Fix: Merge or rebase the latest main into codex/fix-opencode-unavailable-fallback, resolve conflict markers in the PR branch, rerun the focused checks, and push the same branch.
• Repair commands:

gh pr checkout 169 --repo ContextualWisdomLab/.github
git fetch origin main
git merge --no-ff origin/main  # or: git rebase origin/main
git status --short
# resolve files, then git add <resolved-files>
# merge path: git commit
# rebase path: git rebase --continue
git push origin HEAD:codex/fix-opencode-unavailable-fallback
# rebase path only: git push --force-with-lease origin HEAD:codex/fix-opencode-unavailable-fallback

• Regression test: Keep OpenCode approval gated on mergeability so model-output failures cannot approve a conflicted PR.

Change Flow DAG

flowchart LR
  PR["PR changed files"] --> Evidence["OpenCode bounded evidence"]
  Evidence --> S1["Workflow: opencode-review.yml"]
  S1 --> I1["GitHub Actions review job"]
  I1 --> Conflict["Merge conflict blocks this path"]
  Conflict --> V1["actionlint plus required checks"]
  Evidence --> S2["CI script: test_strix_quick_gate.sh"]
  S2 --> I2["review and security gate shell path"]
  I2 --> Conflict["Merge conflict blocks this path"]
  Conflict --> V2["bash -n plus Strix self-test"]

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• Result: REQUEST_CHANGES
• Reason: mergeStateStatus is DIRTY; mergeable is CONFLICTING.
• Head SHA: e2e2b26e4a8c9e4ad4d0d07d9b3707b9694673f3
• Workflow run: 28413557439
• Workflow attempt: 1

[opencode-agent]

OpenCode Review Overview

• Head SHA: 86b3d73f3bfb8c064065b265101fb6f7f5635b37
• Workflow run: 28413836830
• Workflow attempt: 1
• Gate result: REQUEST_CHANGES (approval step)

Pull request overview

OpenCode reviewed the current-head mergeability evidence and changed-file flow before approval, then found merge conflicts on the affected path.

Findings

1. HIGH Merge Conflict Guidance - Resolve the PR branch against the latest base branch

• Problem: GitHub reports mergeStateStatus DIRTY for this pull request.
• Root cause: Branch codex/fix-opencode-unavailable-fallback cannot be merged cleanly into main; the changed-file flow below shows which review/runtime path is blocked by the conflict.
• Fix: Merge or rebase the latest main into codex/fix-opencode-unavailable-fallback, resolve conflict markers in the PR branch, rerun the focused checks, and push the same branch.
• Repair commands:

gh pr checkout 169 --repo ContextualWisdomLab/.github
git fetch origin main
git merge --no-ff origin/main  # or: git rebase origin/main
git status --short
# resolve files, then git add <resolved-files>
# merge path: git commit
# rebase path: git rebase --continue
git push origin HEAD:codex/fix-opencode-unavailable-fallback
# rebase path only: git push --force-with-lease origin HEAD:codex/fix-opencode-unavailable-fallback

• Regression test: Keep OpenCode approval gated on mergeability so model-output failures cannot approve a conflicted PR.

Change Flow DAG

flowchart LR
  PR["PR changed files"] --> Evidence["OpenCode bounded evidence"]
  Evidence --> S1["Workflow: opencode-review.yml"]
  S1 --> I1["GitHub Actions review job"]
  I1 --> Conflict["Merge conflict blocks this path"]
  Conflict --> V1["actionlint plus required checks"]
  Evidence --> S2["CI script: test_strix_quick_gate.sh"]
  S2 --> I2["review and security gate shell path"]
  I2 --> Conflict["Merge conflict blocks this path"]
  Conflict --> V2["bash -n plus Strix self-test"]

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• Result: REQUEST_CHANGES
• Reason: mergeStateStatus is DIRTY; mergeable is CONFLICTING.
• Head SHA: 86b3d73f3bfb8c064065b265101fb6f7f5635b37
• Workflow run: 28413836830
• Workflow attempt: 1

Merge Conflict Guidance

• Current merge state: DIRTY
• Base branch: main
• Head branch: codex/fix-opencode-unavailable-fallback
• Fix direction: merge or rebase origin/main into codex/fix-opencode-unavailable-fallback, resolve conflict markers in the changed files, rerun the focused checks, then push the same branch.
• Repair commands:

gh pr checkout 169 --repo ContextualWisdomLab/.github
git fetch origin main
git merge --no-ff origin/main  # or: git rebase origin/main
git status --short
# resolve files, then git add <resolved-files>
# merge path: git commit
# rebase path: git rebase --continue
git push origin HEAD:codex/fix-opencode-unavailable-fallback
# rebase path only: git push --force-with-lease origin HEAD:codex/fix-opencode-unavailable-fallback

[seonghobae]

Closing this duplicate process-fix PR: the same central OpenCode fallback behavior is already present on main via #170/#171, so this branch now has no remaining diff from main.

[opencode-agent]

Pull request overview

OpenCode reviewed the current-head mergeability evidence and changed-file flow before approval, then found merge conflicts on the affected path.

Findings

1. HIGH Merge Conflict Guidance - Resolve the PR branch against the latest base branch

• Problem: GitHub reports mergeStateStatus DIRTY for this pull request.
• Root cause: Branch codex/fix-opencode-unavailable-fallback cannot be merged cleanly into main; the changed-file flow below shows which review/runtime path is blocked by the conflict.
• Fix: Merge or rebase the latest main into codex/fix-opencode-unavailable-fallback, resolve conflict markers in the PR branch, rerun the focused checks, and push the same branch.
• Repair commands:

gh pr checkout 169 --repo ContextualWisdomLab/.github
git fetch origin main
git merge --no-ff origin/main  # or: git rebase origin/main
git status --short
# resolve files, then git add <resolved-files>
# merge path: git commit
# rebase path: git rebase --continue
git push origin HEAD:codex/fix-opencode-unavailable-fallback
# rebase path only: git push --force-with-lease origin HEAD:codex/fix-opencode-unavailable-fallback

• Regression test: Keep OpenCode approval gated on mergeability so model-output failures cannot approve a conflicted PR.

Change Flow DAG

flowchart LR
  PR["PR changed files"] --> Evidence["OpenCode bounded evidence"]
  Evidence --> S1["Workflow: opencode-review.yml"]
  S1 --> I1["GitHub Actions review job"]
  I1 --> Conflict["Merge conflict blocks this path"]
  Conflict --> V1["actionlint plus required checks"]
  Evidence --> S2["CI script: test_strix_quick_gate.sh"]
  S2 --> I2["review and security gate shell path"]
  I2 --> Conflict["Merge conflict blocks this path"]
  Conflict --> V2["bash -n plus Strix self-test"]

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• Result: REQUEST_CHANGES
• Reason: mergeStateStatus is DIRTY; mergeable is CONFLICTING.
• Head SHA: 86b3d73f3bfb8c064065b265101fb6f7f5635b37
• Workflow run: 28413836830
• Workflow attempt: 1