fix: feat: action-agent — tmux + Claude + formula for operational tasks (#139)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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openhands
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5 changed files with 333 additions and 2 deletions
192
action/action-agent.sh
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192
action/action-agent.sh
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#!/usr/bin/env bash
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# action-agent.sh — Autonomous action agent: tmux + Claude + action formula
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#
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# Usage: ./action-agent.sh <issue-number>
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#
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# Lifecycle:
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# 1. Fetch issue body (action formula) + existing comments
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# 2. Create tmux session: action-{issue_num} with interactive claude
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# 3. Inject initial prompt: formula + comments + instructions
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# 4. Claude executes formula steps, posts progress comments, closes issue
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# 5. For human input: Claude asks via Matrix; reply injected via matrix_listener
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# 6. Monitor session until Claude exits or idle timeout reached
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#
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# Session: action-{issue_num} (tmux)
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# Log: action/action-poll-{project}.log
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set -euo pipefail
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source "$(dirname "$0")/../lib/env.sh"
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source "$(dirname "$0")/../lib/agent-session.sh"
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ISSUE="${1:?Usage: action-agent.sh <issue-number>}"
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SESSION_NAME="action-${ISSUE}"
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LOCKFILE="/tmp/action-agent-${ISSUE}.lock"
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LOGFILE="${FACTORY_ROOT}/action/action-poll-${PROJECT_NAME:-harb}.log"
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THREAD_FILE="/tmp/action-thread-${ISSUE}"
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IDLE_TIMEOUT="${ACTION_IDLE_TIMEOUT:-14400}" # 4h default
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log() {
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printf '[%s] #%s %s\n' "$(date -u '+%Y-%m-%d %H:%M:%S UTC')" "$ISSUE" "$*" >> "$LOGFILE"
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}
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# --- Concurrency lock (per issue) ---
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if [ -f "$LOCKFILE" ]; then
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LOCK_PID=$(cat "$LOCKFILE" 2>/dev/null || echo "")
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if [ -n "$LOCK_PID" ] && kill -0 "$LOCK_PID" 2>/dev/null; then
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log "SKIP: action-agent already running for #${ISSUE} (PID ${LOCK_PID})"
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exit 0
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fi
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rm -f "$LOCKFILE"
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fi
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echo $$ > "$LOCKFILE"
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cleanup() {
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rm -f "$LOCKFILE"
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agent_kill_session "$SESSION_NAME"
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}
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trap cleanup EXIT
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# --- Memory guard ---
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AVAIL_MB=$(awk '/MemAvailable/ {printf "%d", $2/1024}' /proc/meminfo)
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if [ "$AVAIL_MB" -lt 2000 ]; then
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log "SKIP: only ${AVAIL_MB}MB available (need 2000MB)"
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exit 0
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fi
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# --- Fetch issue ---
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log "fetching issue #${ISSUE}"
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ISSUE_JSON=$(curl -sf -H "Authorization: token ${CODEBERG_TOKEN}" \
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"${CODEBERG_API}/issues/${ISSUE}") || true
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if [ -z "$ISSUE_JSON" ] || ! printf '%s' "$ISSUE_JSON" | jq -e '.id' >/dev/null 2>&1; then
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log "ERROR: failed to fetch issue #${ISSUE}"
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exit 1
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fi
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ISSUE_TITLE=$(printf '%s' "$ISSUE_JSON" | jq -r '.title')
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ISSUE_BODY=$(printf '%s' "$ISSUE_JSON" | jq -r '.body // ""')
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ISSUE_STATE=$(printf '%s' "$ISSUE_JSON" | jq -r '.state')
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if [ "$ISSUE_STATE" != "open" ]; then
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log "SKIP: issue #${ISSUE} is ${ISSUE_STATE}"
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exit 0
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fi
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log "Issue: ${ISSUE_TITLE}"
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# --- Fetch existing comments (resume context) ---
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COMMENTS_JSON=$(curl -sf -H "Authorization: token ${CODEBERG_TOKEN}" \
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"${CODEBERG_API}/issues/${ISSUE}/comments?limit=50") || true
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PRIOR_COMMENTS=""
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if [ -n "$COMMENTS_JSON" ] && [ "$COMMENTS_JSON" != "null" ] && [ "$COMMENTS_JSON" != "[]" ]; then
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PRIOR_COMMENTS=$(printf '%s' "$COMMENTS_JSON" | \
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jq -r '.[] | "[\(.user.login) at \(.created_at[:19])]\n\(.body)\n---"' 2>/dev/null || true)
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fi
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# --- Create Matrix thread for this issue ---
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ISSUE_URL="${CODEBERG_WEB}/issues/${ISSUE}"
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_thread_id=$(matrix_send_ctx "action" \
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"⚡ Action #${ISSUE}: ${ISSUE_TITLE} — ${ISSUE_URL}" \
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"⚡ <a href='${ISSUE_URL}'>Action #${ISSUE}</a>: ${ISSUE_TITLE}") || true
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THREAD_ID=""
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if [ -n "${_thread_id:-}" ]; then
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printf '%s' "$_thread_id" > "$THREAD_FILE"
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THREAD_ID="$_thread_id"
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# Register thread root in map for listener dispatch (column 4 = issue number)
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printf '%s\t%s\t%s\t%s\n' "$_thread_id" "action" "$(date +%s)" "${ISSUE}" \
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>> "${MATRIX_THREAD_MAP:-/tmp/matrix-thread-map}" 2>/dev/null || true
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fi
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# --- Build initial prompt ---
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PRIOR_SECTION=""
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if [ -n "$PRIOR_COMMENTS" ]; then
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PRIOR_SECTION="## Prior comments (resume context)
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${PRIOR_COMMENTS}
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"
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fi
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THREAD_HINT=""
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if [ -n "$THREAD_ID" ]; then
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THREAD_HINT="
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The Matrix thread ID for this issue is: ${THREAD_ID}
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Use it as the thread_event_id when sending Matrix messages so replies
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are routed back to this session."
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fi
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INITIAL_PROMPT="You are an action agent. Your job is to execute the action formula
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in the issue below and then close the issue.
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## Issue #${ISSUE}: ${ISSUE_TITLE}
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${ISSUE_BODY}
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${PRIOR_SECTION}## Instructions
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1. Read the action formula steps in the issue body carefully.
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2. Execute each step in order using your Bash tool and any other tools available.
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3. Post progress as comments on issue #${ISSUE} after significant steps:
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curl -sf -X POST \\
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-H \"Authorization: token \${CODEBERG_TOKEN}\" \\
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-H 'Content-Type: application/json' \\
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\"${CODEBERG_API}/issues/${ISSUE}/comments\" \\
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-d \"{\\\"body\\\": \\\"your comment here\\\"}\"
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4. If a step requires human input or approval, send a Matrix message explaining
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what you need, then wait. A human will reply and the reply will be injected
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into this session automatically.${THREAD_HINT}
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5. When all steps are complete, close issue #${ISSUE} with a summary:
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curl -sf -X PATCH \\
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-H \"Authorization: token \${CODEBERG_TOKEN}\" \\
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-H 'Content-Type: application/json' \\
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\"${CODEBERG_API}/issues/${ISSUE}\" \\
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-d '{\"state\": \"closed\"}'
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6. Environment variables available in your bash sessions:
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CODEBERG_TOKEN, CODEBERG_API, CODEBERG_REPO, CODEBERG_WEB, PROJECT_NAME
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(all sourced from ${FACTORY_ROOT}/.env)
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**Important**: You do NOT need to create PRs or write a phase file. Just execute
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the formula steps, post comments, and close the issue when done. If the prior
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comments above show work already completed, resume from where it left off."
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# --- Create tmux session ---
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log "creating tmux session: ${SESSION_NAME}"
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if ! create_agent_session "${SESSION_NAME}" "${FACTORY_ROOT}"; then
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log "ERROR: failed to create tmux session"
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exit 1
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fi
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# --- Inject initial prompt ---
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inject_formula "${SESSION_NAME}" "${INITIAL_PROMPT}"
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log "initial prompt injected into session"
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matrix_send "action" "⚡ #${ISSUE}: session started — ${ISSUE_TITLE}" \
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"${THREAD_ID}" 2>/dev/null || true
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# --- Monitor session until Claude exits or idle timeout ---
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log "monitoring session: ${SESSION_NAME} (idle_timeout=${IDLE_TIMEOUT}s)"
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ELAPSED=0
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POLL_INTERVAL=30
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while tmux has-session -t "${SESSION_NAME}" 2>/dev/null; do
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sleep "$POLL_INTERVAL"
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ELAPSED=$((ELAPSED + POLL_INTERVAL))
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if [ "$ELAPSED" -ge "$IDLE_TIMEOUT" ]; then
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log "idle timeout (${IDLE_TIMEOUT}s) — killing session for issue #${ISSUE}"
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matrix_send "action" "⚠️ #${ISSUE}: session idle for $((IDLE_TIMEOUT / 3600))h — killed" \
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"${THREAD_ID}" 2>/dev/null || true
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agent_kill_session "${SESSION_NAME}"
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break
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fi
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done
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log "action-agent finished for issue #${ISSUE}"
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