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FabledScribe/plugin/hooks/scribe_sync_processes.sh
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feat(plugin): Phase 4 — Scribe Processes auto-surface as local skills
#755 Phase 4. Saved Scribe Processes (DRY pass, Drift Audit, …) now surface as
auto-triggered Claude Code skills instead of pull-only get_process calls.

Design correction vs the plan: stubs live in the USER's ~/.claude/skills/, NOT
plugin/skills/_instance/. The plugin is git-cloned and identical per install, so
instance-specific generated files can't ride in it; personal skills are
live-detected within the session (verified via claude-code-guide). MCP prompts
were the alternative but are pull-only (no relevance auto-surface), so skills are
the right primitive.

- backend: GET /api/plugin/processes manifest (services/plugin_context.
  build_process_manifest) — {name, slug, description} per Process; description is
  the auto-surface trigger (title + preview); slugs deduped, blanks skipped.
- plugin: scribe_sync_processes.sh writes ~/.claude/skills/scribe-proc-<slug>/
  SKILL.md (body = "call get_process(name), follow verbatim") and PRUNES stale
  scribe-proc-* stubs. Fail-open + silent; a transient fetch failure never wipes
  existing stubs. Runs as a 2nd SessionStart hook + via the /scribe:sync command.
- plugin.json 0.1.7 → 0.1.8; README updated.
- tests: build_process_manifest (render, slug dedupe, blank-title skip, preview
  truncation). Sync script's write+prune validated in isolation (plugin/** is not
  CI-covered): correct stubs created, stale pruned, unrelated skills untouched.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-14 13:00:32 -04:00

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#!/usr/bin/env bash
# Scribe plugin — sync stored Processes into auto-surfacing local skills.
#
# Fetches `GET /api/plugin/processes` and writes one
# ~/.claude/skills/scribe-proc-<slug>/SKILL.md
# per Process. The stub's frontmatter `description` is the auto-surface trigger;
# its body tells Claude to call get_process(<name>) and follow the LIVE procedure
# from Scribe (the DB stays the single source of truth — the stub is a pointer).
#
# WHY LOCAL ~/.claude/skills (not the plugin dir): the plugin is git-cloned and
# identical on every install, so instance-specific stubs can't live inside it.
# Personal skills in ~/.claude/skills are live-detected by Claude Code within the
# session, so a freshly written stub auto-surfaces without a restart.
#
# TRIGGERS: this runs at SessionStart (alongside the context hook) so stubs stay
# fresh each session, and on demand via the `/scribe:sync` command.
#
# FAIL-OPEN & SILENT: never blocks a session; emits NOTHING on stdout (so it's
# safe as a second SessionStart hook). On any fetch failure it exits without
# touching existing stubs — a transient outage must not wipe the user's skills.
# Config mirrors the context hook (CLAUDE_PLUGIN_OPTION_* / SCRIBE_* override).
set -uo pipefail
command -v jq >/dev/null 2>&1 || exit 0
command -v curl >/dev/null 2>&1 || exit 0
url=${SCRIBE_URL:-${CLAUDE_PLUGIN_OPTION_api_endpoint:-}}
token=${SCRIBE_TOKEN:-${CLAUDE_PLUGIN_OPTION_api_token:-}}
# Guard against an unexpanded `${...}` placeholder arriving as a literal.
case "$url" in *'${'*) url="" ;; esac
case "$token" in *'${'*) token="" ;; esac
[ -n "$url" ] && [ -n "$token" ] || exit 0
body=$(curl -fsS --max-time 8 \
-H "Authorization: Bearer ${token}" \
"${url%/}/api/plugin/processes" 2>/dev/null) || exit 0
[ -n "$body" ] || exit 0
count=$(printf '%s' "$body" | jq -r '.processes | length' 2>/dev/null) || exit 0
[ -n "$count" ] && [ "$count" != "null" ] || exit 0
skills_dir="${HOME}/.claude/skills"
mkdir -p "$skills_dir" 2>/dev/null || exit 0
# Slugs written this run — anything else under scribe-proc-* is pruned below.
managed=" "
i=0
while [ "$i" -lt "$count" ]; do
name=$(printf '%s' "$body" | jq -r ".processes[$i].name // empty" 2>/dev/null)
slug=$(printf '%s' "$body" | jq -r ".processes[$i].slug // empty" 2>/dev/null)
desc=$(printf '%s' "$body" | jq -r ".processes[$i].description // empty" 2>/dev/null)
i=$((i + 1))
[ -n "$slug" ] && [ -n "$name" ] || continue
dir="${skills_dir}/scribe-proc-${slug}"
mkdir -p "$dir" 2>/dev/null || continue
# description folded to one line — YAML scalar must not contain a newline.
desc=$(printf '%s' "$desc" | tr '\n' ' ')
{
printf -- '---\n'
printf 'name: scribe-proc-%s\n' "$slug"
printf 'description: %s\n' "$desc"
printf -- '---\n\n'
printf '<!-- GENERATED by the Scribe plugin (scribe_sync_processes.sh). Do not edit here; edit the Process in Scribe and re-sync with /scribe:sync. -->\n\n'
printf 'This is a saved **Scribe Process**: `%s`.\n\n' "$name"
printf 'Do not improvise it. Call `get_process("%s")` via the Scribe MCP server to fetch the live procedure, then follow the returned body verbatim — including any "clarify first" steps it contains.\n' "$name"
} > "${dir}/SKILL.md" 2>/dev/null || continue
managed="${managed}${slug} "
done
# Prune stubs whose Process no longer exists (scoped to our scribe-proc-* prefix).
for d in "${skills_dir}"/scribe-proc-*; do
[ -d "$d" ] || continue
slug=$(basename "$d"); slug=${slug#scribe-proc-}
case "$managed" in
*" $slug "*) : ;;
*) rm -rf "$d" 2>/dev/null ;;
esac
done
exit 0