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Use when auditing stale worktrees in Freshell to determine which contain novel unmerged work, which should be landed, which need finishing, and which can be safely deleted.
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npx skills add https://github.com/danshapiro/freshell --skill triage-old-worktreesコマンドは1行のまま表示されます。コピー前に横へスクロールして全体を確認してください。
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SKILL.md を表示中
Review changed code for reuse, quality, and efficiency, then fix any issues found.
Use when preparing a Freshell release — before bumping versions, writing release notes, tagging, etc on GitHub.
Use when reviewing, triaging, or landing pull requests — especially batches of open PRs that need inspection, fixes, and merging. Also triages open issues after the PR queue is clear.
| name | triage-old-worktrees |
| description | Use when auditing stale worktrees in Freshell to determine which contain novel unmerged work, which should be landed, which need finishing, and which can be safely deleted. |
Use this skill when the repo has accumulated worktrees in .worktrees/ whose branches may or may not have been merged into main. This skill provides a systematic, agent-driven process to classify each worktree and produce a clear action plan.
origin/main is the integration branch (Freshell policy)origin/main when mergedorigin/main and target PRs to main01-baseline → Establish safe-to-ignore criteria & filter worktrees
02-first-pass → One subagent scans all candidate worktrees for novel work
03-second-pass → Parallel deep-dive subagents for meaningful worktrees
04-aggregate → Produce final report (md + csv + html) with verdicts
Each step produces files in the analysis worktree. The final output drives deletion decisions and work-to-land prioritization.
Deploy a subagent to review the codebase and worktree inventory (.worktrees/branch-inventory.json if it exists) and establish criteria for "safe to ignore."
Category A — Auto-Skip / Safe to Delete (no deep dive needed):
origin/main AND working tree is clean AND branch has 0 ahead commitsplan/*, docs/*, proof-*)branch-inventory.jsonCategory B — First-Pass Only (quick inspection):
git diff for lost work)origin/main)plan/*, docs/*, proof-*, port/*, debug/*, test/*, chore/*) AND ahead <= 20Category C — Deep-Dive Required:
feat/*, fix/*, codex/*, freshagent-*, freshcodex-*, freshopencode-*, opencode-*, rollback/* branchesFor each worktree in scope:
git -C .worktrees/<name> rev-parse HEAD
git merge-base --is-ancestor <HEAD> origin/main # YES/NO
git -C .worktrees/<name> symbolic-ref --short HEAD # branch name
git -C .worktrees/<name> log -1 --format=%ci # last commit date
git rev-list --count origin/main..<branch> # ahead count
git rev-list --count <branch>..origin/main # behind count
git -C .worktrees/<name> status --porcelain # working tree check
Filter to the desired time window (e.g., past 4 weeks = date > "2026-05-23").
Write baseline criteria to .worktrees/<analysis-wt>/baseline-criteria.md.
Deploy one fresh (no-context) subagent to run the process over all worktrees in scope. For each worktree, it determines whether the worktree contains novel work not landed on origin/main.
git -C .worktrees/<name> merge-base --is-ancestor HEAD origin/main
git -C .worktrees/<name> status --porcelain
git -C .worktrees/<name> log --oneline origin/main..HEAD # unmerged commits
git -C .worktrees/<name> diff --stat origin/main...HEAD # change scope
first-pass-table.md — one-line-per-worktree table with columns: worktree, branch, date, ancestor?, status, commits, files Δ, meaningful?, summaryworktrees-to-deep-dive.txt — list of worktrees needing second passDeploy multiple fresh subagents in parallel, grouped by topic area (3-4 worktrees per subagent). Each subagent dives deep on its assigned worktrees and produces a verdict.
Ready for landing — work is done, never landed, seems useful. After thorough static analysis, code review, and optional test runs, the work is complete and worthwhile.
Finish work — significant progress towards something useful, but still has bugs, open questions, or integration gaps.
Throw away — useless — superseded by different work, the user/session history made clear this was a mistake or dead end.
Throw away — in main already — the same functionality already landed on origin/main, possibly via a different implementation.
For each worktree, the subagent should:
log origin/main..HEAD, diff origin/main...HEAD, diff origin/main...HEAD --statgit merge-base --is-ancestor, grep for key identifiers in origin/main, compare blob hashesorigin/main for related keywords and implementer commitsnpm run test:vitest -- run <test-pattern> to verify the work still works~/.claude/projects/freshell/sessions/, ~/.codex/, ~/.config/opencode/ for session historyGroup worktrees by topic to minimize context switching within a subagent:
Each deep-dive report goes to .worktrees/<analysis-wt>/deep-dive/<NN>-<topic>.md.
Deploy one subagent to read all deep-dive reports, baseline criteria, and first-pass table, then produce three files:
final-report.mdfinal-report.csvnum,worktree,branch,date,verdict,category,analysisready-landing, finish-work, in-main, skipped-plan, skipped-trivialfinal-report.htmlAfter completing all steps, the analysis worktree contains:
.worktrees/<analysis-wt>/
├── baseline-criteria.md
├── first-pass-table.md
├── worktrees-to-deep-dive.txt
├── deep-dive/
│ ├── 01-<topic>.md
│ ├── 02-<topic>.md
│ └── ...
├── final-report.md
├── final-report.csv
└── final-report.html
The final report tells you: