fix(issue-36): registry and wrapper accept --prompt-file; the wrapper hands the same path on

One argv string is capped at MAX_ARG_STRLEN (131,072 bytes on Linux), so a
prompt passed as --prompt could not reach the registry once it carried a
large diff. submit now takes --prompt-file and passes the same path to
`registry.py register --prompt-file`; the loop type's per-iteration update
goes by file too. --prompt keeps working unchanged.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
GodopuandClaude Opus 5.5 committed 2026-09-24 02:30:13 +00:00
1 parent 1debc7d924
commit 68a5d31381
3 files changed
+46 -11

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@@ -44,6 +44,8 @@ multi-agent-mux-delegate-job submit \
# Liveness contract (Issue #18): the agent heartbeats every N s (automatic),
# the job is unresponsive after K x N s (--idle-timeout overrides), `started`
# must arrive within T s of the injection or the inject fails closed.
# --prompt-file <path> replaces --prompt for long prompts (Issue #36): one
# argv string is capped at 131,072 bytes on Linux. The loop always uses it.
# 1b) Same, for an agent on another host (no herdr pane, no shared disk):
# the brief travels over the broker as a signed retained dispatch and a
@@ -109,13 +109,15 @@ usage() {
cat <<'EOF'
multi-agent-mux-delegate-job <command> [options]
submit --agent <name> --prompt <text> [--workdir <dir>] [--agent-session <label>]
submit --agent <name> (--prompt <text> | --prompt-file <path>) [--workdir <dir>] [--agent-session <label>]
[--timeout <sec>] [--idle-timeout <sec>] [--validate <script>]
[--heartbeat <sec>] [--heartbeat-misses <count>] [--ack-timeout <sec>]
[--registry-dir <dir>] [--dry-run] [--role <role_name>]
[--type <direct|loop|discuss>] [--reviewer <reviewer_agent>]
[--reviewer-session <reviewer_session>] [--max-iterations <count>]
[--counterpart-role <role_name>] [--strict-role-check]
# --prompt-file passes the prompt by file: one argv string is capped
# at 131,072 bytes on Linux (Issue #36). The file is read, not kept.
# --agent-session herdr:<name> injects into a local herdr pane;
# --agent-session remote:<name> dispatches over the broker (Issue #18).
# Liveness contract: the agent heartbeats every --heartbeat N s
@@ -131,7 +133,7 @@ EOF
}
# ---- arg parsing helpers --------------------------------------------------
AGENT="claude-code"; PROMPT=""; WORKDIR="$(pwd)"; AGENT_SESSION="herdr:claude"
AGENT="claude-code"; PROMPT=""; PROMPT_FILE=""; WORKDIR="$(pwd)"; AGENT_SESSION="herdr:claude"
TIMEOUT=3600; IDLE_TIMEOUT=""; VALIDATE=""; DRY_RUN=0
# Issue #18 liveness contract (N / K / T). An unset --idle-timeout derives K x N.
HEARTBEAT_SEC="${MAM_HEARTBEAT_SEC:-30}"; HEARTBEAT_MISSES="${MAM_HEARTBEAT_MISSES:-4}"; ACK_TIMEOUT="${MAM_ACK_TIMEOUT_S:-180}"
@@ -148,6 +150,7 @@ parse_opts() {
case "$1" in
--agent) AGENT="$2"; shift 2;;
--prompt) PROMPT="$2"; shift 2;;
--prompt-file) PROMPT_FILE="$2"; shift 2;;
--workdir) WORKDIR="$2"; shift 2;;
--agent-session) AGENT_SESSION="$2"; shift 2;;
--timeout) TIMEOUT="$2"; shift 2;;
@@ -183,7 +186,17 @@ _to_lower() {
cmd_submit() {
parse_opts "$@"
[[ -n "$PROMPT" ]] || { echo "submit requires --prompt" >&2; exit 1; }
if [[ -n "$PROMPT_FILE" ]]; then
[[ -z "$PROMPT" ]] || { echo "submit takes --prompt or --prompt-file, not both" >&2; exit 1; }
[[ "$PROMPT_FILE" == /* ]] || PROMPT_FILE="$(pwd)/$PROMPT_FILE"
[[ -f "$PROMPT_FILE" && -r "$PROMPT_FILE" ]] || { echo "submit: cannot read --prompt-file $PROMPT_FILE" >&2; exit 1; }
PROMPT="$(<"$PROMPT_FILE")"
fi
[[ -n "$PROMPT" || -n "$PROMPT_FILE" ]] || { echo "submit requires --prompt or --prompt-file" >&2; exit 1; }
# Issue #36: the prompt reaches the registry by file when it came by file,
# never as one argv string (capped at 131,072 bytes).
local reg_prompt=(--prompt "$PROMPT")
[[ -n "$PROMPT_FILE" ]] && reg_prompt=(--prompt-file "$PROMPT_FILE")
PY="$(pick_python)"
[[ "$PY" == */* && "$PY" != /* ]] && PY="$(pwd)/$PY"
cd "$WORKDIR"
@@ -192,7 +205,7 @@ cmd_submit() {
# 1) register job (prints the new job id)
JOB_ID="$("$PY" "$SCRIPT_DIR/scripts/registry.py" --registry-dir "$REGISTRY_DIR" register \
--prompt "$PROMPT" --agent "$AGENT" --agent-session "$AGENT_SESSION" --role "$DELEGATE_ROLE" \
"${reg_prompt[@]}" --agent "$AGENT" --agent-session "$AGENT_SESSION" --role "$DELEGATE_ROLE" \
--timeout "$TIMEOUT" --idle-timeout "$IDLE_TIMEOUT" \
--heartbeat-sec "$HEARTBEAT_SEC" --heartbeat-misses "$HEARTBEAT_MISSES" --ack-timeout "$ACK_TIMEOUT" \
--transport "$(_is_remote "$AGENT_SESSION" && echo remote || echo herdr)" \
@@ -392,6 +405,8 @@ EOF
## 🔎 Task Description
$current_prompt
EOF
# Issue #36: the registry gets the prompt by file, not as one argv string
printf '%s' "$current_prompt" > "$job_dir/prompt.md"
echo "provisioned iteration brief: $job_dir/brief.md"
attempt=$((attempt + 1))
@@ -432,7 +447,7 @@ EOF
"$PY" "$SCRIPT_DIR/scripts/registry.py" --registry-dir "$REGISTRY_DIR" update \
--job "$JOB_ID" \
--agent-session "$current_session" \
--prompt "$current_prompt" \
--prompt-file "$job_dir/prompt.md" \
--iteration "$iteration" \
--attempt-id "$attempt" \
--role "$display_role" \