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fix(delegate): submit also takes the target workspace's update admission (Issue #72, review R1)

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Decision 8: delegate submit uses the admission lock of the workspace the
target session belongs to. The wrapper resolved only its own
WORKSPACE_ROOT, so a job could be registered and delivered to an agent of
another installed workspace while that workspace was being updated.

lib_py.update target-workspace resolves a herdr:<name> row's workspace (the
.mam at or above its pane.cwd, else its control_plane.workspace_root);
mam_update_admit takes an fd, and submit holds the caller root on fd 7 and
the target on fd 8 until the record is written. Rowless and remote targets
keep the caller-root gate.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
GodopuandClaude Opus 5.5 committed 2026-10-27 08:15:23 +00:00
1 parent 595e34b2d1
commit e3394655b3
4 files changed
+123 -16
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.agents/skills/multi-agent-mux-delegate-job/multi-agent-mux-delegate-job
+14 -5
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@@ -301,10 +301,19 @@ cmd_submit() {
local reg_dry=()
if [[ "$DRY_RUN" == "1" ]]; then reg_dry=(--dry-run); fi
# Issue #72: no job is registered while an update of the target's workspace
# runs; held until the record is written (lib.sh mam_update_admit). A
# dry-run record is never dispatched and is not counted by the update.
if [[ "$DRY_RUN" != "1" ]]; then mam_update_admit "$WORKSPACE_ROOT" || exit 1; fi
# Issue #72: no job is registered while an update of this registry's
# workspace or of the target's (its row's workspace, lib_py.update
# target-workspace) runs; held until the record is written (lib.sh
# mam_update_admit). A dry-run record is never dispatched and is not
# counted by the update.
if [[ "$DRY_RUN" != "1" ]]; then
local target_ws
target_ws="$(MAM_STATE_JSON="$(load_state_json)" PYTHONPATH="$SKILL_DIR:${PYTHONPATH:-}" "$PY" -m lib_py.update \
target-workspace --workspace "$WORKSPACE_ROOT" --agent-session "$AGENT_SESSION")" \
|| { echo "ERROR: cannot resolve the workspace of $AGENT_SESSION" >&2; exit 1; }
mam_update_admit "$WORKSPACE_ROOT" || exit 1
if [[ -n "$target_ws" ]]; then mam_update_admit "$target_ws" 8 || exit 1; fi
fi
# 1) register job (prints the new job id)
JOB_ID="$("$PY" "$SCRIPT_DIR/scripts/registry.py" --registry-dir "$REGISTRY_DIR" register \
"${reg_prompt[@]}" --agent "$AGENT" --agent-session "$AGENT_SESSION" --role "$DELEGATE_ROLE" \
@@ -314,7 +323,7 @@ cmd_submit() {
--job-type "$TYPE" --reviewer "$REVIEWER" --reviewer-session "$REVIEWER_SESSION" \
--max-iterations "$MAX_ITERATIONS" ${reg_parent[@]+"${reg_parent[@]}"} ${reg_dry[@]+"${reg_dry[@]}"})"
echo "registered job: $JOB_ID"
[[ "$DRY_RUN" == "1" ]] || mam_update_admit_release
[[ "$DRY_RUN" == "1" ]] || { mam_update_admit_release; mam_update_admit_release 8; }
# 1-1) Provision job directory and write direct brief.md (MAM Job Restructuring)
local job_dir="$REGISTRY_DIR/$JOB_ID"