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FabledGrimoire/plugin/hooks/grimoire_session_end.sh
T
bvandeusenandClaude Opus 5.5 ddcac96542
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fix(6855): the fence keeps its files where no compaction sweeps them, and builds id lists under mawk
The project a session entered now lives in grimoire-fence, which the
compaction clear never visits, and session end removes it. Arrays of ids
in a tool's input were sent as [,"3","4"] under mawk, which creates an
array element as soon as it is assigned to.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-11-04 21:51:34 -05:00

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#!/usr/bin/env bash
# Grimoire — release this session's task claims as it ends.
#
# A claim records a session's attention, and a session that ends has none left
# to give. This is the mechanical half of the hand-off: it needs nothing from
# the model, only the session id the harness reports. The other half — writing
# down where the work stands — only the model can do, and it is stated as a
# practice in the skill and the static context, not here.
#
# A TIDY-UP, NOT THE GUARANTEE. SessionEnd does not fire on a crash, a killed
# terminal or a dropped connection, and those are exactly the cases the claim
# was designed around. The lease is what makes a dead session's claim read as
# dead; this only keeps the ordinary exit from leaving a claim to run out.
#
# NOT ON /clear. A clear ends one conversation and starts the next in the same
# terminal, and SessionStart(source=clear) pushes back the work this session
# had claimed. Releasing here would leave that push with nothing to say. The
# next write moves the claim wherever the work actually continues.
#
# EXIT 0 AND SILENT, ALWAYS. Nobody reads a SessionEnd hook's output, and the
# session is ending whether this succeeds or not.
set -uo pipefail
# shellcheck source=plugin/hooks/grimoire_defs.sh
. "$(dirname "${BASH_SOURCE[0]}")/grimoire_defs.sh"
event=$(cat 2>/dev/null || true)
[ -n "$event" ] || exit 0
event_flat=$(printf '%s' "$event" | grimoire_json_flat)
session_id=$(grimoire_json_pick "$event_flat" '.session_id')
[ -n "$session_id" ] || exit 0
# The moment arm's per-session files (its tool cache and the acts ledger) and
# the fence's (the project the session entered, its outage marker) describe a
# session that is over, on any exit — a clear included, since the next
# conversation is a new session id.
safe_sid=$(printf '%s' "$session_id" | tr -c 'A-Za-z0-9._-' '_')
rm -f "${TMPDIR:-/tmp}/grimoire-moment/${safe_sid}".* \
"${TMPDIR:-/tmp}/grimoire-fence/${safe_sid}".* 2>/dev/null || true
reason=$(grimoire_json_pick "$event_flat" '.reason')
[ "$reason" = "clear" ] && exit 0
command -v curl >/dev/null 2>&1 || exit 0
grimoire_config || exit 0
sid_enc=$(printf '%s' "$session_id" | grimoire_urlenc) || exit 0
curl -fsS --max-time 4 \
-H "Authorization: Bearer ${token}" \
"${url%/}/api/plugin/release-session?session_id=${sid_enc}" \
>/dev/null 2>&1 || true
exit 0