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fix: bound engine calls with a per-call timeout in run-engine.sh #102

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Merged
Santisoutoo merged 1 commit into from
Aug 24, 2026
Merged

fix: bound engine calls with a per-call timeout in run-engine.sh #102

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14 changes: 12 additions & 2 deletions .github/agent/run-engine.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -8,20 +8,30 @@
# protocol (AGENT_RESULT markers), so the surrounding workflow parses their
# output identically. Auth: opencode reads auth.json from XDG_DATA_HOME;
# cursor-agent reads CURSOR_API_KEY from the environment.
#
# Every invocation is bounded by ENGINE_TIMEOUT_SECONDS (default 900s): on
# 2026-08-24 a cursor-agent review call (run 32749623046, issue #85) hung
# with zero output for 84 minutes and was only reaped when the job's
# 90-minute cap killed the whole run. Neither engine had a call-level
# timeout, so one hung call silently burned the entire job budget instead
# of failing fast into the caller's infra-failure / model-fallback path.
set -euo pipefail

ENGINE="$1"
MODEL="$2"
PROMPT_FILE="$3"
TIMEOUT_SECONDS="${ENGINE_TIMEOUT_SECONDS:-900}"

case "$ENGINE" in
opencode)
opencode run --model "$MODEL" "$(cat "$PROMPT_FILE")"
# -k 30: if TERM doesn't stop it within 30s, send KILL — mirrors the
# orphan-process reap GitHub Actions had to do at the job-level timeout.
timeout -k 30 "$TIMEOUT_SECONDS" opencode run --model "$MODEL" "$(cat "$PROMPT_FILE")"
;;
cursor)
# -p: non-interactive print mode; --force: skip the workspace-trust and
# command-approval prompts (required headless).
cursor-agent -p --force --model "$MODEL" "$(cat "$PROMPT_FILE")"
timeout -k 30 "$TIMEOUT_SECONDS" cursor-agent -p --force --model "$MODEL" "$(cat "$PROMPT_FILE")"
;;
*)
echo "::error::Unknown engine '$ENGINE'" >&2
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