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fix: prevent codex exec stdin deadlock with </dev/null redirect

Browse Source 
codex CLI 0.120.0+ blocks indefinitely when stdin is a non-TTY pipe
(Claude Code Bash tool, background bash, CI). The CLI sees a non-TTY
stdin and waits for EOF to append it as a <stdin> block, even when the
prompt is passed as a positional argument.

Fix: add < /dev/null to every codex exec and codex review invocation
in the source-of-truth files (scripts/resolvers/*.ts and *.md.tmpl).
Generated SKILL.md files will be produced by bun run gen:skill-docs
in a subsequent commit (Tension D: template+resolver only, generator
is authoritative, not cherry-picked artifacts).

Affected source files (16 total invocations):
- scripts/resolvers/review.ts (4)
- scripts/resolvers/design.ts (3)
- codex/SKILL.md.tmpl (5)
- autoplan/SKILL.md.tmpl (4)

Fixes #971

Co-Authored-By: loning <loning@users.noreply.github.com>
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Garry Tan
2026-04-18 11:39:27 +08:00
parent 5ac2f4ee4d
commit 0a11064334
4 changed files with 16 additions and 16 deletions
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6
scripts/resolvers/design.ts
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@@ -18,7 +18,7 @@ If Codex is available, run a lightweight design check on the diff:
\`\`\`bash
TMPERR_DRL=$(mktemp /tmp/codex-drl-XXXXXXXX)
_REPO_ROOT=$(git rev-parse --show-toplevel) || { echo "ERROR: not in a git repo" >&2; exit 1; }
codex exec "Review the git diff on this branch. Run 7 litmus checks (YES/NO each): ${litmusList} Flag any hard rejections: ${rejectionList} 5 most important design findings only. Reference file:line." -C "$_REPO_ROOT" -s read-only -c 'model_reasoning_effort="high"' --enable web_search_cached 2>"$TMPERR_DRL"
codex exec "Review the git diff on this branch. Run 7 litmus checks (YES/NO each): ${litmusList} Flag any hard rejections: ${rejectionList} 5 most important design findings only. Reference file:line." -C "$_REPO_ROOT" -s read-only -c 'model_reasoning_effort="high"' --enable web_search_cached < /dev/null 2>"$TMPERR_DRL"
\`\`\`
Use a 5-minute timeout (\`timeout: 300000\`). After the command completes, read stderr:
@@ -527,7 +527,7 @@ If user chooses A, launch both voices simultaneously:
\`\`\`bash
TMPERR_SKETCH=$(mktemp /tmp/codex-sketch-XXXXXXXX)
_REPO_ROOT=$(git rev-parse --show-toplevel) || { echo "ERROR: not in a git repo" >&2; exit 1; }
codex exec "For this product approach, provide: a visual thesis (one sentence — mood, material, energy), a content plan (hero → support → detail → CTA), and 2 interaction ideas that change page feel. Apply beautiful defaults: composition-first, brand-first, cardless, poster not document. Be opinionated." -C "$_REPO_ROOT" -s read-only -c 'model_reasoning_effort="medium"' --enable web_search_cached 2>"$TMPERR_SKETCH"
codex exec "For this product approach, provide: a visual thesis (one sentence — mood, material, energy), a content plan (hero → support → detail → CTA), and 2 interaction ideas that change page feel. Apply beautiful defaults: composition-first, brand-first, cardless, poster not document. Be opinionated." -C "$_REPO_ROOT" -s read-only -c 'model_reasoning_effort="medium"' --enable web_search_cached < /dev/null 2>"$TMPERR_SKETCH"
\`\`\`
Use a 5-minute timeout (\`timeout: 300000\`). After completion: \`cat "$TMPERR_SKETCH" && rm -f "$TMPERR_SKETCH"\`
@@ -697,7 +697,7 @@ which codex 2>/dev/null && echo "CODEX_AVAILABLE" || echo "CODEX_NOT_AVAILABLE"
\`\`\`bash
TMPERR_DESIGN=$(mktemp /tmp/codex-design-XXXXXXXX)
_REPO_ROOT=$(git rev-parse --show-toplevel) || { echo "ERROR: not in a git repo" >&2; exit 1; }
codex exec "${escapedCodexPrompt}" -C "$_REPO_ROOT" -s read-only -c 'model_reasoning_effort="${reasoningEffort}"' --enable web_search_cached 2>"$TMPERR_DESIGN"
codex exec "${escapedCodexPrompt}" -C "$_REPO_ROOT" -s read-only -c 'model_reasoning_effort="${reasoningEffort}"' --enable web_search_cached < /dev/null 2>"$TMPERR_DESIGN"
\`\`\`
Use a 5-minute timeout (\`timeout: 300000\`). After the command completes, read stderr:
\`\`\`bash