disinto/planner/prediction-poll.sh
openhands d2f788239a fix: address review feedback on prediction agent (#140)
- Remove CLAUDE_TIMEOUT no-op override — inherit factory default (7200s) from env.sh
- Use anchored grep -qxF "NO_PREDICTIONS" to avoid false early exits
- Fetch closed PRs (state=closed, merged_at filter) instead of open — captures merged activity signals
- Parse staleness age from filename date (YYYY-MM-DD.json) instead of file mtime
- Log a warning when date -d falls back due to non-GNU date
- Add comment explaining global lock serialisation trade-off

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-03-19 10:13:22 +00:00

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#!/usr/bin/env bash
# =============================================================================
# prediction-poll.sh — Cron wrapper for prediction-agent (per-project)
#
# Runs hourly. Guards against concurrent runs and low memory.
# Iterates over all registered projects and runs prediction-agent.sh for each.
#
# Cron: 0 * * * * /path/to/disinto/planner/prediction-poll.sh
# Log: tail -f /path/to/disinto/planner/prediction.log
# =============================================================================
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
FACTORY_ROOT="$(dirname "$SCRIPT_DIR")"
# shellcheck source=../lib/env.sh
source "$FACTORY_ROOT/lib/env.sh"
LOG_FILE="$SCRIPT_DIR/prediction.log"
# Global lock — projects are processed serially. If a single run takes longer
# than the cron interval (1h), the next cron invocation will find the lock held
# and exit silently. That is acceptable: LLM calls are cheap to skip.
LOCK_FILE="/tmp/prediction-poll.lock"
PROJECTS_DIR="$FACTORY_ROOT/projects"
log() { echo "[$(date -u +%Y-%m-%dT%H:%M:%S)Z] $*" >> "$LOG_FILE"; }
# ── Lock ──────────────────────────────────────────────────────────────────
if [ -f "$LOCK_FILE" ]; then
LOCK_PID=$(cat "$LOCK_FILE" 2>/dev/null || true)
if [ -n "$LOCK_PID" ] && kill -0 "$LOCK_PID" 2>/dev/null; then
log "poll: prediction running (PID $LOCK_PID)"
exit 0
fi
rm -f "$LOCK_FILE"
fi
echo $$ > "$LOCK_FILE"
trap 'rm -f "$LOCK_FILE"' EXIT
# ── Memory guard ──────────────────────────────────────────────────────────
AVAIL_MB=$(free -m | awk '/Mem:/{print $7}')
if [ "${AVAIL_MB:-0}" -lt 2000 ]; then
log "poll: skipping — only ${AVAIL_MB}MB available (need 2000)"
exit 0
fi
log "--- Prediction poll start ---"
# ── Iterate over projects ─────────────────────────────────────────────────
PROJECT_COUNT=0
if [ -d "$PROJECTS_DIR" ]; then
for project_toml in "$PROJECTS_DIR"/*.toml; do
[ -f "$project_toml" ] || continue
PROJECT_COUNT=$((PROJECT_COUNT + 1))
log "starting prediction-agent for $(basename "$project_toml")"
if ! "$SCRIPT_DIR/prediction-agent.sh" "$project_toml"; then
log "prediction-agent exited non-zero for $(basename "$project_toml")"
fi
done
fi
if [ "$PROJECT_COUNT" -eq 0 ]; then
log "No projects/*.toml found — running prediction-agent with .env defaults"
if ! "$SCRIPT_DIR/prediction-agent.sh"; then
log "prediction-agent exited non-zero"
fi
fi
log "--- Prediction poll done ---"