KeiSeiKit-1.0/hooks/session-end-dump.sh
Parfii-bot f77c1b7fdc fix(v0.15.1): RED-1 CVE + typed-handoff + schema minItems
Security hotfix — v0.15.1 Wave 1 fixes from 4-parallel audit.

RED-1 (CVE): KEI_DISABLED_HOOKS tokenized match — was `*all*`
substring-glob (trivially bypassable via "install", "wall-clock", etc.),
now exact-token split on comma/space. Patched in all 9 hooks:
no-hand-edit-agents, assemble-agents, assemble-validate, tomd-preread,
agent-fork-logger, site-wysiwyd-check, error-spike-detector,
milestone-commit-hook, session-end-dump.

RED-2 (observability): minimal profile whitelist now includes
agent-fork-logger and session-end-dump (ledger + trace paths) so
observability is not silently lost on minimal installs.

HIGH: review.json schema minItems:1 on findings — rejects empty
reviews; new Rust test review_schema_rejects_empty_findings.

HIGH: typed-handoff wire-up — produces_artifact declared at top
level on 5 manifests (kei-security-auditor, kei-validator,
kei-architect, kei-code-implementer, kei-critic); duplicate
per-handoff declarations removed.

MED: kei-artifact validate.rs gains warn_unsupported_keywords —
non-fatal stderr warning when schema uses keywords outside the
hand-rolled 2020-12 subset.

LOW: CI Node matrix dropped 18, now ['20','22'].

Doc drift: skills/hooks-control/SKILL.md reflects tokenized-match
semantics and updated minimal-profile hook list.

Tests: 191 Rust workspace + 30 assembler (both pass). RED-1
reproducer 10/10 (4 former-CVE vectors blocked, 5 legit vectors
accepted, empty passes).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-22 15:08:51 +08:00

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#!/bin/sh
# session-end-dump.sh — Stop event hook (RULE 0.14).
#
# On session end: save the transcript JSONL to ~/.claude/memory/traces/
# and call `kei-memory ingest` if the primitive is installed. NEVER blocks:
# every exit path is `exit 0`. No jq → silent no-op. No kei-memory → still
# saves the raw trace so later installs can back-fill.
command -v jq >/dev/null 2>&1 || exit 0
# --- RUNTIME CONTROLS (v0.15.1) ---
# KEI_DISABLED_HOOKS: tokenized exact-match list (comma- or space-separated).
# Repro of pre-v0.15.1 substring bypass (CVE-class): KEI_DISABLED_HOOKS="foo-all-bar"
# previously disabled every hook via `*all*`. v0.15.1 requires token equality.
_hook_name="$(basename "$0" .sh)"
_disabled=" $(printf '%s' "${KEI_DISABLED_HOOKS:-}" | tr ',' ' ') "
case "$_disabled" in
*" $_hook_name "*|*" all "*) unset _disabled; exit 0 ;;
esac
unset _disabled
case "${KEI_HOOK_PROFILE:-full}" in
off) exit 0 ;;
minimal)
case "$_hook_name" in
no-hand-edit-agents|assemble-validate|agent-fork-logger|session-end-dump) ;;
*) exit 0 ;;
esac
;;
advisory-off)
case "$_hook_name" in
recurrence-suggest|citation-verify|error-spike-detector|milestone-commit-hook) exit 0 ;;
esac
;;
full|*) ;;
esac
# --- end runtime controls ---
set -eu
input="$(cat)"
session_id=$(printf '%s' "$input" | jq -r '.session_id // empty' 2>/dev/null || true)
transcript=$(printf '%s' "$input" | jq -r '.transcript_path // .transcript // empty' 2>/dev/null || true)
# Nothing to dump without an id — silent no-op.
if [ -z "$session_id" ]; then
exit 0
fi
# Destination dir for trace archives (created lazily).
traces_dir="${HOME}/.claude/memory/traces"
mkdir -p "$traces_dir" 2>/dev/null || exit 0
dest="${traces_dir}/${session_id}.jsonl"
# If Claude Code provides a transcript path, copy the JSONL to our store.
# If transcript is missing, leave dest un-created — analyzer falls back to
# no-op for that session and logs a zero-event row on next ingest.
if [ -n "$transcript" ] && [ -f "$transcript" ]; then
cp -f "$transcript" "$dest" 2>/dev/null || true
fi
# Best-effort ingest — advisory only; never blocks the session from ending.
if command -v kei-memory >/dev/null 2>&1 && [ -f "$dest" ]; then
kei-memory ingest \
--session-id "$session_id" \
--transcript "$dest" \
>/dev/null 2>&1 || true
fi
# v0.11 sleep-sync (RULE 0.15) — push traces to the user's memory-repo so a
# cloud agent can consolidate them overnight. Silent no-op when the primitive
# is absent or the user hasn't opted in via /sleep-setup.
sleep_sync="${HOME}/.claude/agents/_primitives/kei-sleep-sync.sh"
if [ -x "$sleep_sync" ]; then
"$sleep_sync" >/dev/null 2>&1 || true
fi
exit 0