history-evolve

name	history-evolve
description	Evolve skills from vcli session history. Use when: (1) user says "根據歷史進化技能" / "evolve skills from history" / "覆盤技能", (2) after a debugging session to capture what went wrong, (3) periodic skill maintenance to close knowledge gaps revealed by real usage. Reads cmd.jsonl + per-session SKILL logs, finds failure/correction/gap signals, maps them to skills in .claude/skills/, and writes concrete improvements.
author	Claude Code
version	1.0.0
date	"2026-05-02T00:00:00.000Z"
argument-hint	[{"optional":"session ID or date range"},"e.g. \"meowu-meow-38371\" or \"last 7 days\""]
allowed-tools	Bash(cat *) Bash(ls *) Bash(jq *) Bash(grep *) Bash(find *) Read Write Edit

History Evolve

Mine vcli session history for failure and correction signals, then write targeted improvements into the relevant skills.

---

Phase 1 — Collect

1a. Load CLI history (filter test noise)

HIST=~/.cache/virtuoso_bridge/history/cmd.jsonl
# Real sessions: <hostname>-<user>-<port> (no "rt-" prefix)
jq -c 'select(.session == null or (.session | test("^rt-") | not))' "$HIST" 2>/dev/null \
  | tail -200

Apply a time window if the user specified one (e.g. "last 7 days"):

SINCE=$(date -d '7 days ago' --iso-8601=seconds 2>/dev/null || date -v-7d +%Y-%m-%dT%H:%M:%S)
jq -c --arg since "$SINCE" 'select(.ts >= $since) | select(.session == null or (.session | test("^rt-") | not))' "$HIST"

1b. Load SKILL history for active sessions

ls ~/.cache/virtuoso_bridge/history/*.jsonl 2>/dev/null | grep -v cmd.jsonl | while read f; do
  SESSION=$(basename "$f" .jsonl)
  echo "=== $SESSION ==="
  jq -c '.' "$f" | tail -50
done

---

Phase 2 — Signal Detection

Scan the collected entries and classify each anomaly into one of four signal types:

Signal A — Hard Failure (exit_code != 0)

jq -c 'select(.exit_code != 0)' "$HIST" \
  | jq -r '"\(.ts) [\(.exit_code)] \(.cmd | join(" "))"'

For each failure, note:

• The vcli subcommand (2nd/3rd token after vcli)
• The error output (re-run the command or read the last SKILL entry near that timestamp)

Signal B — SKILL nil return (ok == false)

for f in ~/.cache/virtuoso_bridge/history/*.jsonl; do
  [[ "$f" == *cmd.jsonl ]] && continue
  jq -c 'select(.ok == false)' "$f" 2>/dev/null | while read line; do
    echo "$(basename $f .jsonl): $line"
  done
done

For each nil return, note the SKILL expression and what state was likely missing.

Signal C — Correction Pattern

Look for the same subcommand appearing 2–3 times in quick succession (within ~2 min), where early attempts fail and the last succeeds:

jq -r '"\(.ts[:16]) \(.exit_code) \(.cmd[1:3] | join(" "))"' "$HIST" \
  | sort | uniq -c | sort -rn | head -20

A vcli skill exec block with exit_code 1 followed by exit_code 0 for the same session is a strong correction signal.

Signal D — Command-Not-Found (subcommand typo / wrong noun)

# exit_code 2 = clap argument error (unrecognized subcommand / missing arg)
jq -c 'select(.exit_code == 2)' "$HIST" \
  | jq -r '"\(.ts) \(.cmd | join(" "))"'

These indicate the user tried a subcommand that doesn't exist — the relevant skill may need to list valid alternatives or show the --help output.

---

Phase 3 — Map Signals to Skills

For each signal, identify the relevant skill using this table:

vcli subcommand	Primary skill	Secondary skill
skill exec	skill-exec	skill-shell-gotchas
sim run/setup/measure	sim-run / sim-setup / sim-measure	ocean-netlist-regen
maestro *	maestro	—
session list/current/cleanup/history	(no dedicated skill — check CLAUDE.md)	—
tunnel start/stop	tunnel-connect	—
cell open/close	cell-explore	—
schematic *	schematic-gen	—
design size/explore	gm-over-id	—
Nil SKILL return involving run()	ocean-netlist-regen	—
Nil SKILL return involving geGetEditCellView()	skill-exec	cell-explore
Nil SKILL return involving maeGetSession / asiGetSession	maestro	—

---

Phase 4 — Read Target Skills

For each signal-to-skill mapping, read the full skill content:

cat /home/meow/git/virtuoso-cli/.claude/skills/<skill-name>/SKILL.md

Identify the specific section to improve:

• Missing prerequisite → add to the Prerequisites section
• Common mistake → add to a Gotchas / ⚠️ section
• Missing example → add a concrete vcli command example
• Wrong subcommand used → add a "See also" or redirect note

---

Phase 5 — Write Improvements

For each identified improvement, make a surgical edit (do not rewrite the whole skill):

1. State the signal that motivated the change (one line comment for yourself)
2. Add the minimum text that prevents recurrence:
   • A gotcha box: > ⚠️ **Gotcha**: <what goes wrong and why>
   • A working example with the corrected command
   • A prerequisite line if state is missing
3. Bump the version field in the frontmatter (patch: 1.2.3 → 1.2.4)
4. Update the date field to today

After writing: confirm with the user before touching skills that have significant user-visible behavior (e.g. sim-run, ocean-netlist-regen).

---

Phase 6 — Pensieve Sync (if new reusable insight emerged)

If a signal reveals something not yet in .pensieve/:

# Knowledge: objective fact about system behavior
mkdir -p /home/meow/git/virtuoso-cli/.pensieve/knowledge/<name>
# write content.md following the knowledge format

# Then sync state:
PENSIEVE_SKILL_ROOT="$HOME/.claude/skills/pensieve" \
  bash "$HOME/.claude/skills/pensieve/.src/scripts/maintain-project-state.sh" \
  --event self-improve --note "<one-line description>"

---

Signal Priority

When multiple signals exist, process in this order:

1. Signal D (wrong subcommand / exit 2) — highest confusion cost, cheapest fix
2. Signal A (hard failure / exit 1) — often a missing prerequisite in the skill
3. Signal B (nil return) — SKILL gotchas that prevent silent failures
4. Signal C (correction pattern) — reveals unclear examples or parameter names

---

Output Format

After completing, report:

Signals found: <count>
Skills updated: <list>
Pensieve entries written: <list or "none">

If no actionable signals were found: state so explicitly and suggest running after more actual usage (not just connection tests).