Server (SvelteKit + SQLite Docker container) + per-machine agent that parses Claude Code JSONL transcripts. docker-compose one-command deploy; raw transcript view + search gated behind SHOW_TRANSCRIPTS (hidden by default). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
113 lines
4.9 KiB
Bash
Executable file
113 lines
4.9 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -euo pipefail
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#
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# ops/install-hook.sh — idempotently register the toknmtr capture hook
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# (agent/hooks/toknmtr-capture.sh) in ~/.claude/settings.json under the Claude Code 'Stop'
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# hook event.
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#
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# WHY 'Stop' AND NOT 'SessionEnd':
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# Stop fires at the end of EVERY assistant turn (each time Claude finishes responding and
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# yields back to the user) — not just once when the whole CLI process exits. That makes
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# capture close to live: a dashboard refresh a few seconds after a turn already reflects
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# it. The cost is the hook running more often, but agent/hooks/toknmtr-capture.sh is
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# designed to be near-zero-cost on the foreground session (it backgrounds the real work
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# and returns in milliseconds — see that script's header), so the extra frequency is
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# nearly free.
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# SessionEnd only fires once, when the CLI process actually exits — on a long interactive
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# session that can be hours after the data was generated, and Claude Code does not
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# guarantee SessionEnd fires on every exit path (e.g. a killed/crashed terminal can skip
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# it entirely), so relying on it alone risks losing the tail of a session permanently
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# until the next cron sweep (ops/install-cron.sh) catches it.
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# Net: Stop is the better default given the hook is cheap. The cron sweep is an
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# independent safety net either way (server-down resilience, missed hook fires, etc.) —
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# it doesn't change this tradeoff, it just makes the choice lower-stakes. Revisit by
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# swapping HOOK_EVENT below to "SessionEnd" if Stop's per-turn frequency ever proves to be
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# a real problem in practice (e.g. very chatty multi-turn sessions on a slow machine).
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#
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# What this script does:
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# - Merges (via jq) a Stop-hook entry pointing at agent/hooks/toknmtr-capture.sh into
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# ~/.claude/settings.json, WITHOUT touching any other keys/hooks already in that file.
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# - Idempotent: matches on the exact command string, so re-running is a safe no-op.
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# - Writes a timestamped backup of settings.json before every modification.
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# - Reversible: `ops/install-hook.sh --remove` undoes just this hook's entry (or restore
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# a backup manually — see the "to remove later" line this script prints on install).
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#
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# Usage:
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# ops/install-hook.sh # install/update the hook
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# ops/install-hook.sh --remove # remove this hook's entry from settings.json
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#
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# Override knobs (env, all optional):
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# TOKNMTR_PROJECT_DIR path to the toknmtr repo checkout (default: ~/claude/projects/toknmtr)
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# CLAUDE_SETTINGS_FILE path to settings.json (default: ~/.claude/settings.json)
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PROJECT_DIR="${TOKNMTR_PROJECT_DIR:-$HOME/claude/projects/toknmtr}"
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SETTINGS_FILE="${CLAUDE_SETTINGS_FILE:-$HOME/.claude/settings.json}"
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HOOK_SCRIPT="$PROJECT_DIR/agent/hooks/toknmtr-capture.sh"
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HOOK_EVENT="Stop"
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HOOK_CMD="bash \"$HOOK_SCRIPT\""
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HOOK_TIMEOUT_S=10
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command -v jq >/dev/null 2>&1 || {
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echo "error: jq is required (sudo apt install jq / brew install jq)" >&2
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exit 1
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}
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backup_settings() {
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[ -f "$SETTINGS_FILE" ] || return 0
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local stamp
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stamp="$(date +%Y%m%dT%H%M%S)"
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cp "$SETTINGS_FILE" "$SETTINGS_FILE.bak.$stamp"
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echo "backed up $SETTINGS_FILE -> $SETTINGS_FILE.bak.$stamp"
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}
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if [ "${1:-}" = "--remove" ]; then
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if [ ! -f "$SETTINGS_FILE" ]; then
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echo "no settings file at $SETTINGS_FILE, nothing to remove"
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exit 0
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fi
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backup_settings
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tmp="$(mktemp)"
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jq --arg cmd "$HOOK_CMD" --arg event "$HOOK_EVENT" '
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if (.hooks // {} | has($event)) then
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.hooks[$event] = [
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.hooks[$event][] |
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.hooks = [(.hooks // [])[] | select(.command != $cmd)] |
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select((.hooks | length) > 0)
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]
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else . end
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' "$SETTINGS_FILE" >"$tmp" && mv "$tmp" "$SETTINGS_FILE"
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echo "removed toknmtr capture hook from $SETTINGS_FILE.$HOOK_EVENT (backup written above; other $HOOK_EVENT hooks, if any, were left untouched)"
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exit 0
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fi
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if [ ! -f "$HOOK_SCRIPT" ]; then
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echo "error: $HOOK_SCRIPT not found (is TOKNMTR_PROJECT_DIR=$PROJECT_DIR correct?)" >&2
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exit 1
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fi
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chmod +x "$HOOK_SCRIPT" 2>/dev/null || true
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mkdir -p "$(dirname "$SETTINGS_FILE")"
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[ -f "$SETTINGS_FILE" ] || echo '{}' >"$SETTINGS_FILE"
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jq empty "$SETTINGS_FILE" || {
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echo "error: $SETTINGS_FILE is not valid JSON — fix it manually before running this script" >&2
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exit 1
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}
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backup_settings
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tmp="$(mktemp)"
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jq --arg cmd "$HOOK_CMD" --arg event "$HOOK_EVENT" --argjson timeout "$HOOK_TIMEOUT_S" '
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.hooks //= {} |
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.hooks[$event] //= [] |
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([.hooks[$event][]? | (.hooks // [])[]? | .command] | index($cmd)) as $already |
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if $already == null then
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.hooks[$event] += [{"hooks": [{"type": "command", "command": $cmd, "timeout": $timeout}]}]
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else . end
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' "$SETTINGS_FILE" >"$tmp" && mv "$tmp" "$SETTINGS_FILE"
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echo "installed toknmtr capture hook into $SETTINGS_FILE under hooks.$HOOK_EVENT"
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echo " command: $HOOK_CMD"
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echo ""
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echo "to remove later:"
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echo " ops/install-hook.sh --remove"
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echo " (or restore a $SETTINGS_FILE.bak.<timestamp> file written next to it)"
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