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FabledGrimoire/plugin/hooks/scribe_record_outcome.sh
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bvandeusenandClaude Opus 5.5 17777e9bb1
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docs(6204): shipped instruction text describes the product, not this instance's records
MCP tool docstrings and comments, the server's orientation notes, the plugin
skills, every hook script and the plugin README/PACKAGING drop record ids,
milestone numbers, dates and incident stories, and state each non-obvious why
as a present-tense fact. History stays in the task logs.

Corrections found on the way:
- plugin README/PACKAGING said every hook is a GET; moment, rule-opened and
  reply-rules POST, so the plugin's key needs write scope. Both now say so,
  name Settings -> MCP Access, and list every wired hook and endpoint.
- the contract-change hint printed "(lesson #4207)", this instance's record,
  to every install. It no longer cites a record.
- tasks.py claimed there is no delete_task; there is.
- rulebooks.py cited delete_event and a design spec that no longer exist.
- scribe_after_write.sh carried an always-empty etag_q; removed.
- test_write_path_trigger pinned "| tac | scribe_defs | head -1", text that
  existed only in a comment about the old code; it now pins the real tail -1
  pipeline.
- docs/development.md: CI runs on Gitea Actions.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-21 19:45:09 -04:00

56 lines
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#!/usr/bin/env bash
# Scribe — record that this session said what a rule DID, not merely that it
# read one.
#
# THE THIRD LEDGER, AND WHY THE OTHER TWO ARE NOT ENOUGH.
#
# `.rules.ids` says a rule was NAMED. `.opened.ids` says it was READ (a
# PostToolUse hook watches the `get_rule` call, so it is a recorded event
# rather than a model's claim about its own context). Neither can say what
# happened next: a rule read and followed and a rule read and forgotten leave
# identical traces.
#
# `rule_outcome` is the call that closes that gap, and the server
# records it. But the server's row carries no session — `rule_usage_events` is
# per user over a window — so a SESSION-scoped readout cannot be asked of it.
# The question "which rules changed something in THIS session" has to be
# answered where a session is a thing that exists, which is here.
#
# SAME EVIDENCE CLASS AS `.opened.ids`, deliberately. A tool call happened or
# it did not, and the harness reports it either way; nothing here asks the
# model whether it followed anything, so it is evidence, not self-report.
#
# WHAT IT CANNOT SAY: that the rule was followed WELL, or that `applied` was
# honest. It records that an outcome was declared. The value of that is not the
# claim itself — it is that the absence of one becomes visible.
#
# EXIT 0, ALWAYS. This decorates a ledger; a bookkeeping failure must never
# turn a successful tool call into a hook error.
set -uo pipefail
# shellcheck source=plugin/hooks/scribe_defs.sh
. "$(dirname "${BASH_SOURCE[0]}")/scribe_defs.sh"
event=$(cat 2>/dev/null || true)
[ -n "$event" ] || exit 0
event_flat=$(printf '%s' "$event" | scribe_json_flat)
session_id=$(scribe_json_pick "$event_flat" '.session_id')
[ -n "$session_id" ] || exit 0
# The matcher in hooks.json narrows to the rule_outcome tools, but the server
# segment of an MCP tool name varies with how the plugin was installed, so the
# id is read from the field rather than from an assumed tool name — the same
# reasoning scribe_record_opened.sh gives.
rule_id=$(scribe_json_pick "$event_flat" '.tool_input.rule_id')
rule_id=$(printf '%s' "$rule_id" | tr -cd '0-9')
[ -n "$rule_id" ] || exit 0
state_dir="${TMPDIR:-/tmp}/scribe-priorart"
mkdir -p "$state_dir" 2>/dev/null || true
safe_sid=$(printf '%s' "$session_id" | tr -c 'A-Za-z0-9._-' '_')
# Stamped and append-only like its two siblings, so one reader ages them all.
printf '%s\n' "$rule_id" | scribe_rules_append "$state_dir/${safe_sid}.acted.ids"
exit 0