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[PR #3109] [CLOSED] fix(setup): retain symbolic-link skill destinations across the lifecycle #5624
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opened 2026-10-31 01:08:04 +00:00 by bsakaguchi
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📋 Pull Request Information
Original PR: https://github.com/morluto/rea/pull/3109
Author: @akushonkamen
Created: 10/14/2026
Status: ❌ Closed
Base:
main← Head:fix/setup-symlinked-skill-destination📝 Commits (2)
97c2528fix(setup): retain symbolic-link skill destinations across the lifecycle9ae7c77merge: restore JavaScript analysis regression checks from main📊 Changes
5 files changed (+198 additions, -35 deletions)
View changed files
📝
src/application/Doctor.ts(+22 -6)📝
src/application/DoctorScope.ts(+9 -2)📝
src/application/SetupSkill.ts(+68 -26)📝
src/application/Uninstall.ts(+2 -1)📝
tests/boundary/filesystem/setupSkill.test.ts(+97 -0)📄 Description
Summary
When a client's
reverse-engineer-anythingskill directory is a symbolic link (skill manager or dotfiles repo linking~/.claude/skills/reverse-engineer-anythingto a shared copy), REA's skill lifecycle disagreed about the same directory:rea setupfollowed the link and wrote REA's bundle into the link target (replacing itsSKILL.md, addingSKILL.md.rea.backupandreferences/), doctor then reported the skillaligned, whilerea uninstallretained the same directory ("Skill directory is a symbolic link.") leaving every written file behind, andrea update's maintenance plan skipped it. Setup modified a location REA's own removal and maintenance paths do not manage.Fixes #3057
Problem and expected behavior
Smallest trigger: a symlinked client skill root plus
rea setup --client claude_code --yeswith the skill enabled (issue reproduction uses an isolated temporaryHOMEwithln -s ../../managed/rea .claude/skills/reverse-engineer-anything).Violated invariant: the documented policy — skill symbolic-link paths are "retained and reported rather than followed" (
docs/installation.md"Diagnose, update, and remove"; the same ruleUninstall.tsalready applied and the #1816 precedent for a symlinked~/.rearoot). Setup'sinstallCanonicalSkill/planning path never checked whether a selected destination root is itself a symlink, so it was the one lifecycle stage that wrote through it, and doctor compared identity through the link and reportedalignedfor a copy REA cannot remove or update.Expected behavior: setup, doctor, uninstall, and update treat a symbolic-link skill root uniformly — retain and report it, never follow it. An all-links selection plans no install and stays byte-identical; a mixed selection installs only into its managed roots; doctor names the link and points at replacing it instead of a
run rea setuploop that would still do nothing.Change and scope
src/application/SetupSkill.ts: newpartitionSkillDestinationssplits selected skill destinations into managed and symbolic-link roots vialstat(missing/unreadable roots stay on each caller's existing path).canonicalSkillNeedsInstallandcanonicalSkillFilesnow consider only managed roots, so an all-links selection plans noinstall_skillaction and no destination bytes change, and mixed selections write only their managed roots.readInstalledSkillIdentityreads only managed roots and, when every root is a link, returns the declined roots as the newsymbolicLinkRootsfield. A sharedsymbolicLinkSkillReasonconstant ("Skill directory is a symbolic link.") is exported for the lifecycle.src/application/Doctor.tsandsrc/application/DoctorScope.ts: the skillstateunion gains"unmanaged", produced when the identity carries declined roots (versionnull,symbolicLinkRootsnon-empty). Doctor's detail names the link paths and the remediation becomes "Replace the symbolic-link skill directory with a real directory, then run rea setup to install a managed copy." — replacing the previous"Run rea setup"loop that could never resolve a linked root.src/application/Uninstall.ts: the existing retained reason literal now references the sharedsymbolicLinkSkillReasonconstant; uninstall behavior is unchanged (the fix aligns setup/doctor to uninstall's long-standing rule, not the reverse).ClientConfigPath.ts. Registration-only setup (--skill=false) is unaffected.Existing pattern harvested: the fix reuses the repo's established "retained and reported rather than followed" symlink rule — uninstall's per-root
isSymbolicLink()check and its user-facing reason string (made into the sharedsymbolicLinkSkillReasonconstant), the #1816 precedent for declining a symlinked~/.rearoot, andexistingSkillDestinations' existing skip of linked roots — and applies the same rule to the last two lifecycle stages that lacked it (setup write path, doctor identity read), instead of introducing a new policy.Follow the contribution scope:
Contract and boundary impact
src/application/SetupSkill.tsskill destination partitioning, consumed by setup planning/installation and bysrc/application/Doctor.tsidentity reporting.rea doctor's skillstatefield widens from"aligned" | "stale" | "missing"to add"unmanaged", with a new remediation string. Setup's applied actions for a linked selection change frominstalled_skillto none (nothing planned, nothing applied); mixed selections apply fewer actions (managed roots only). No MCP tool catalog changes.lstat-based, so Windows junctions/symlinks resolve through Node'sisSymbolicLink()on the stat. Client configuration-file symlink following (ClientConfigPath.ts) is deliberately untouched.docs/public/product-catalog.json), package, or installation impact: none.Expected effects (check known effects; use documentation-only on its own).
Unchecked items do not establish absence; leave uncertainties visible.
(Setup reads the skill roots with
lstatand, for managed roots only, writes the skill bundle — the same file writes setup always performed, now excluding link roots.)Evidence and regression coverage
tests/boundary/filesystem/setupSkill.test.tsadds five symbolic-link regressions — (1)keeps a symbolic-link skill destination byte-identical and plans no install, (2)reads no REA skill identity through a symbolic-link destination, (3)reports doctor skill state unmanaged when the selected destination is a link, (4)installs only into managed roots when a selection also contains a link, (5)answers doctor from a managed root even when the selection also carries a link(mixed-selection empty-root boundary).d901561) the same file fails 5 failed | 10 passed (15) — all five new regressions red, covering the issue's write-through, read-through, doctorstale, and mixed-selection paths; restoring the fix turns the same file green 15/15. The issue reporter's real-CLI outputs (aligned after write-through, uninstallretained, control on a regular directory) independently establish the failure mode on 6.4.0.skill.state: "unmanaged"with detail naming the link and a replace-the-link remediation; setup on a linked selection plans noinstall_skillaction; uninstall's retained reason text is unchanged in wording.HOME; the boundary tests mirror that layout). A linked-root run of the realrea setup/doctor/uninstallCLI by a maintainer or the reporter would close it.For evidence-bearing changes:
Validation performed
npx vitest run tests/boundary/filesystem/setupSkill.test.ts— with the fix: 15 passed (15). Against pre-fix sources (the four changed source files checked out from the parent commit, tests unchanged): 5 failed | 10 passed (15), the five new regressions red. Sources restored and the tree verified clean afterwards. (The contributor brief recorded the red side as 4 failed | 10 passed; this session's run observed 5 failed | 10 passed, which matches the commit message's own recorded validation — all five regressions fail on the old code.)npm run test:focused -- tests/boundary/filesystem/setupSkill.test.ts tests/boundary/filesystem/setupSkillCleanupOwnership.test.ts tests/boundary/filesystem/setupConfig.test.ts tests/boundary/filesystem/setupClientConfigCleanupOwnership.test.ts tests/boundary/filesystem/setupUnavailableProvider.test.ts tests/boundary/filesystem/doctorSystemHostFilesystem.test.ts tests/boundary/filesystem/generatedSkill.test.ts src/application/Doctor.test.ts src/application/Setup.configuration.test.ts src/application/Setup.planning.test.ts src/application/Setup.recovery.test.ts src/application/Setup.initialSnapshot.test.ts src/application/SetupInstallFailure.test.ts src/application/Update.test.ts tests/process-global/updateMaintenance.test.ts— 15 files passed, 197 passed (197).npm run check:fast— 2 successful, 2 total (turbo typecheck + lint; cache was bypassed with--forcefor a fresh run: 0 cached).npm run docs:check— exit 0 (readmeConsistency suite 5 passed).npx oxfmt --check src/application/Doctor.ts src/application/DoctorScope.ts src/application/SetupSkill.ts src/application/Uninstall.ts tests/boundary/filesystem/setupSkill.test.ts— all matched files use the correct format.HOME: the boundary tests mirror that filesystem layout; no real Claude Code client session was driven here.npm run check:pr: the full local gate is optional for changes of this width perAGENTS.md("optional for broad changes or CI diagnosis"); CI owns the full deterministic suite.scripts/check_comment_history.pyandscripts/check_brand_name.py, do not exist in this repository (verified by tree search in an earlier round); the repository's own gates above were run instead.git fetchshowedorigin/mainstill atd901561— no drift since validation, so no rebase was needed; the branch is a single commit on top of currentorigin/main.Compatibility, safety, and release
unmanagedwith a concrete remediation) — that is the fix, and users who want REA to manage the copy can replace the link as the remediation says.--skill=falseregistration-only setup is unchanged.lstat/isSymbolicLink()semantics, not from a run on Windows.unmanagedstate makes a previously hidden situation visible instead of misreportingaligned.references-directory link check). Left to maintainer arbitration; both cannot merge, and the direction difference (reportunmanaged+ replace-the-link remediation vs refusal) is the material delta to review.Before merge
type(scope): outcome.🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.