Fixes #261 ## Changes Fixed gardener hanging forever when Claude skips phase protocol. Three changes: (1) gardener-agent.sh: replaced 999999s timeout with 7200s (2h, matching dev-agent); (2) lib/agent-session.sh: added idle-prompt detection to monitor_phase_loop — if Claude returns to the ❯ prompt for 3 consecutive polls with no phase file written, exits immediately with _MONITOR_LOOP_EXIT=idle_prompt (only fires when phase file is empty, so awaiting_ci/review waits are unaffected); (3) gardener prompt: removed 'no time limit' wording, replaced with explicit phase-write requirement. Co-authored-by: openhands <openhands@all-hands.dev> Reviewed-on: https://codeberg.org/johba/disinto/pulls/263 Reviewed-by: Disinto_bot <disinto_bot@noreply.codeberg.org>
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5 changed files with 58 additions and 13 deletions
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@ -60,9 +60,9 @@ get_candidates() {
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if (match(p, /^[a-z][a-zA-Z0-9_]*_[a-zA-Z0-9_]+/)) {
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word = substr(p, RSTART, RLENGTH)
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rest = substr(p, RSTART + RLENGTH, 1)
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# Skip: case labels (word)), Python/jq patterns (word:),
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# Skip: case labels (word) or word|), Python/jq patterns (word:),
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# object method calls (word.method), assignments (word=)
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if (rest == ")" || rest == ":" || rest == "." || rest == "=") continue
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if (rest == ")" || rest == "|" || rest == ":" || rest == "." || rest == "=") continue
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print word
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}
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}
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@ -232,7 +232,7 @@ sourced as needed.
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| `lib/load-project.sh` | Parses a `projects/*.toml` file into env vars (`PROJECT_NAME`, `CODEBERG_REPO`, `WOODPECKER_REPO_ID`, monitoring toggles, Matrix config, etc.). | env.sh (when `PROJECT_TOML` is set), supervisor-poll (per-project iteration) |
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| `lib/parse-deps.sh` | Extracts dependency issue numbers from an issue body (stdin → stdout, one number per line). Matches `## Dependencies` / `## Depends on` / `## Blocked by` sections and inline `depends on #N` patterns. Not sourced — executed via `bash lib/parse-deps.sh`. | dev-poll, supervisor-poll |
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| `lib/matrix_listener.sh` | Long-poll Matrix sync daemon. Dispatches thread replies to the correct agent via well-known files (`/tmp/{agent}-escalation-reply`). Handles supervisor, gardener, dev, review, vault, and action reply routing. Run as systemd service. | Standalone daemon |
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| `lib/agent-session.sh` | Shared tmux + Claude session helpers: `create_agent_session()`, `inject_formula()`, `agent_wait_for_claude_ready()`, `agent_inject_into_session()`, `agent_kill_session()`, `monitor_phase_loop()`, `read_phase()`. | dev-agent.sh, gardener-agent.sh |
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| `lib/agent-session.sh` | Shared tmux + Claude session helpers: `create_agent_session()`, `inject_formula()`, `agent_wait_for_claude_ready()`, `agent_inject_into_session()`, `agent_kill_session()`, `monitor_phase_loop()`, `read_phase()`. `monitor_phase_loop` sets `_MONITOR_LOOP_EXIT` to one of: `done`, `idle_timeout`, `idle_prompt` (Claude returned to `❯` for 3 consecutive polls without writing any phase — callback invoked with `PHASE:failed`, session already dead), `crashed`, or a `PHASE:*` string. Agents must handle `idle_prompt` in both their callback and their post-loop exit handler. | dev-agent.sh, gardener-agent.sh |
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---
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@ -714,12 +714,18 @@ monitor_phase_loop "$PHASE_FILE" "$IDLE_TIMEOUT" _on_phase_change
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# Handle exit reason from monitor_phase_loop
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case "${_MONITOR_LOOP_EXIT:-}" in
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idle_timeout)
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idle_timeout|idle_prompt)
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if [ "${_MONITOR_LOOP_EXIT:-}" = "idle_prompt" ]; then
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notify_ctx \
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"session finished without phase signal — killed. Escalating to gardener." \
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"session finished without phase signal — killed. Escalating to gardener.${PR_NUMBER:+ PR <a href='${CODEBERG_WEB}/pulls/${PR_NUMBER}'>#${PR_NUMBER}</a>}"
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else
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notify_ctx \
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"session idle for 2h — killed. Escalating to gardener." \
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"session idle for 2h — killed. Escalating to gardener.${PR_NUMBER:+ PR <a href='${CODEBERG_WEB}/pulls/${PR_NUMBER}'>#${PR_NUMBER}</a>}"
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fi
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# Escalate: write to project-suffixed escalation file so gardener picks it up
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echo "{\"issue\":${ISSUE},\"pr\":${PR_NUMBER:-0},\"reason\":\"idle_timeout\",\"ts\":\"$(date -u +%Y-%m-%dT%H:%M:%SZ)\"}" \
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echo "{\"issue\":${ISSUE},\"pr\":${PR_NUMBER:-0},\"reason\":\"${_MONITOR_LOOP_EXIT:-idle_timeout}\",\"ts\":\"$(date -u +%Y-%m-%dT%H:%M:%SZ)\"}" \
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>> "${FACTORY_ROOT}/supervisor/escalations-${PROJECT_NAME}.jsonl"
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# Restore labels: remove in-progress, add backlog
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cleanup_labels
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@ -222,7 +222,7 @@ fi
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# ── Build prompt from formula + dynamic context ────────────────────────────
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log "Building gardener prompt from formula"
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PROMPT="You are the issue gardener for ${CODEBERG_REPO}. Work through the formula below — there is no time limit, run until PHASE:done.
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PROMPT="You are the issue gardener for ${CODEBERG_REPO}. Work through the formula below. You MUST write PHASE:done to '${PHASE_FILE}' when finished — the orchestrator will time you out if you return to the prompt without signalling.
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${CONTEXT_SECTION}
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## Formula
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@ -303,14 +303,23 @@ gardener_phase_callback() {
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esac
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}
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# No idle timeout — gardener runs until PHASE:done or PHASE:failed
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monitor_phase_loop "$PHASE_FILE" 999999 "gardener_phase_callback"
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monitor_phase_loop "$PHASE_FILE" 7200 "gardener_phase_callback"
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FINAL_PHASE=$(read_phase)
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log "Final phase: ${FINAL_PHASE:-none}"
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if [ "$FINAL_PHASE" != "PHASE:done" ]; then
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log "gardener-agent finished without PHASE:done (phase: ${FINAL_PHASE:-none})"
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case "${_MONITOR_LOOP_EXIT:-}" in
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idle_prompt)
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log "gardener-agent: Claude returned to prompt without writing phase signal — no phase file written"
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;;
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idle_timeout)
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log "gardener-agent: timed out after 2h with no phase signal"
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;;
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*)
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log "gardener-agent finished without PHASE:done (phase: ${FINAL_PHASE:-none}, exit: ${_MONITOR_LOOP_EXIT:-})"
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;;
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esac
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exit 0
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fi
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@ -60,11 +60,16 @@ inject_formula() {
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}
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# Monitor a phase file, calling a callback on changes and handling idle timeout.
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# Sets _MONITOR_LOOP_EXIT to the exit reason (idle_timeout, done, failed, break).
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# Sets _MONITOR_LOOP_EXIT to the exit reason (idle_timeout, idle_prompt, done, failed, break).
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# Sets _MONITOR_SESSION to the resolved session name (arg 4 or $SESSION_NAME).
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# Callbacks should reference _MONITOR_SESSION instead of $SESSION_NAME directly.
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# Args: phase_file idle_timeout_secs callback_fn [session_name]
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# session_name — tmux session to health-check; falls back to $SESSION_NAME global
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#
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# Idle prompt detection: if Claude returns to the ❯ prompt for 3 consecutive polls
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# WITHOUT having written any phase signal, the session is killed and the callback is
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# invoked with "PHASE:failed". This handles the case where Claude completes its work
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# but skips the phase protocol entirely.
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monitor_phase_loop() {
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local phase_file="$1"
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local idle_timeout="$2"
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@ -76,6 +81,7 @@ monitor_phase_loop() {
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local poll_interval="${PHASE_POLL_INTERVAL:-10}"
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local last_mtime=0
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local idle_elapsed=0
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local idle_pane_count=0
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while true; do
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sleep "$poll_interval"
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@ -99,6 +105,7 @@ monitor_phase_loop() {
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return 1
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fi
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idle_elapsed=0
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idle_pane_count=0
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continue
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;;
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esac
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@ -117,6 +124,29 @@ monitor_phase_loop() {
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agent_kill_session "${_session}"
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return 0
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fi
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# Idle prompt detection: Claude finished without writing a phase signal.
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# Only fires when current_phase is empty (no phase ever written).
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# Note: tmux capture-pane captures the full visible pane area, not just the
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# last line. Prior tool output containing ❯ (e.g. a zsh subshell prompt in
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# Claude's output) could trigger a false positive — the same risk exists in
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# agent_wait_for_claude_ready(). Requiring 3 consecutive polls (≥2 poll
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# intervals of sustained idle) reduces but does not eliminate this risk.
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if [ -z "$current_phase" ] && tmux has-session -t "${_session}" 2>/dev/null && \
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tmux capture-pane -t "${_session}" -p 2>/dev/null | grep -q '❯'; then
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idle_pane_count=$(( idle_pane_count + 1 ))
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if [ "$idle_pane_count" -ge 3 ]; then
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_MONITOR_LOOP_EXIT="idle_prompt"
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# Session is already killed before the callback is invoked.
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# Callbacks that handle PHASE:failed must not assume the session is alive.
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agent_kill_session "${_session}"
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if type "${callback}" &>/dev/null; then
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"$callback" "PHASE:failed"
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fi
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return 0
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fi
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else
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idle_pane_count=0
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fi
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continue
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fi
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