chore(mcp): remove dead referenceScorePreviewCommand export in local-branch.js

[galuis116]

Closes #6259

Summary

• Investigated both directions the issue offers before picking one: referenceScorePreviewCommand (computes the real, absolute path to the bundled scorer via packageRoot) vs. referenceScorePreviewExample (a hardcoded ./node_modules/@loopover/mcp/scripts/... string used in guidance text).
• Wiring referenceScorePreviewCommand into guidance text would have been a regression, not a fix. test/unit/local-scorer-adapter.test.ts's existing "redacts local paths from scorer diagnostics and setup guidance" test explicitly asserts the guidance text (a) never contains the real local filesystem path and (b) matches /node_modules\/@loopover\/mcp\/scripts\// — i.e. the generic relative example is intentional, deliberately avoiding leaking an absolute local path (which could embed a username or other identifying info) into text a user might copy elsewhere. referenceScorePreviewExample is correct as-is; left untouched.
• referenceScorePreviewCommand's real (and legitimate) use was as a test helper: local-scorer-adapter.test.ts's "runs the packaged reference scorer against metadata only" test uses it to invoke the actual bundled scorer script end to end — a genuinely valuable smoke test, not dead functionality. Removing it outright would have thrown that test coverage away.
• Resolution: moved the packaged-scorer path resolution into the test file itself (a small local helper using the same join(process.cwd(), ...) pattern the test's neighboring fixtureCommand() helper already uses), since the test is genuinely its only real caller. Removed the now-orphaned referenceScorePreviewCommand export, packageRoot, and the resulting unused dirname import from lib/local-branch.js.

Scope

• The PR title follows type(scope): short summary Conventional Commit format.
• This PR is focused and does not mix unrelated backend, UI, MCP, docs, dependency, and deploy changes.
• This follows CONTRIBUTING.md and does not reintroduce GitHub Pages, VitePress, site/, or CNAME.
• I linked a currently open issue this PR resolves — Closes chore(mcp): remove dead referenceScorePreviewCommand export in lib/local-branch.js #6259.

Validation

• git diff --check
• npm run actionlint
• npm run typecheck (root) — reliably OOMs on this shared sandbox regardless of what changed (reproduced repeatedly this session). packages/loopover-mcp is plain JS with its own npm run build (node --check across every lib/bin file) — ran it directly and it passes clean.
• npm run test:coverage — not run repo-wide (same OOM risk); this change touches a packages/loopover-mcp/** JS file (not src/**) and a test file, so codecov/patch scope is minimal. Ran the full set of tests that import from local-branch.js: local-scorer-adapter.test.ts (7), local-branch.test.ts (59), mcp-release-candidate.test.ts (20) — 86/86 passing, including the "runs the packaged reference scorer against metadata only" smoke test still genuinely invoking the real bundled script, and the redaction test confirming guidance text is unaffected.
• npm run test:workers — N/A, no Worker-facing code changed.
• npm run build:mcp / npm run test:mcp-pack — N/A wiring, but packages/loopover-mcp's own npm run build (syntax-checks every lib/bin file including the edited local-branch.js) passes clean.
• npm run ui:openapi:check / ui:lint / ui:typecheck / ui:build — N/A, no apps/loopover-ui changes.
• npm audit --audit-level=moderate — 0 vulnerabilities.
• New/changed behavior has tests — N/A new behavior; this preserves existing test coverage (the real-scorer smoke test) while removing the export it no longer needs to come from production code.

If any required check was skipped, explain why:

• Root npm run typecheck / npm run test:coverage: reliably OOMs on this shared sandbox under memory pressure from concurrent sessions, independent of the diff. Substituted with packages/loopover-mcp's own lighter build check (clean) and the full set of directly-affected tests (86/86 passing).

Safety

• No secrets, wallet details, hotkeys, coldkeys, user PATs, private keys, raw trust scores, private rankings, or private maintainer evidence are exposed.
• Public GitHub text stays sanitized, low-noise, and does not imply compensation guarantees or optimization tactics.
• Auth, cookie, CORS, GitHub App, Cloudflare, or session changes include negative-path tests. — N/A.
• API/OpenAPI/MCP behavior is updated and tested where needed. — N/A, no MCP tool surface changed.
• UI changes use live API data or real empty/error/loading states, not production mock/demo fallbacks. — N/A, no UI changes.
• Visible UI changes include a UI Evidence section below with screenshots. — N/A, no visible UI change.
• Public docs/changelogs are updated where needed; changelogs are only edited for release-prep PRs. — CHANGELOG.md untouched.

Notes

• Confirmed via grep -rn "referenceScorePreviewCommand\b" across the repo (excluding node_modules) that zero references remain after the change.

[superagent-security]

Superagent didn't find any vulnerabilities or security issues in this PR.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.61%. Comparing base (0d3f4cb) to head (fdd0a96).
⚠️ Report is 28 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #6402   +/-   ##
=======================================
  Coverage   95.61%   95.61%           
=======================================
  Files         600      601    +1     
  Lines       47350    47352    +2     
  Branches    15063    15063           
=======================================
+ Hits        45272    45274    +2     
  Misses       1291     1291           
  Partials      787      787           

Flag	Coverage Δ
shard-1	44.02% <ø> (-0.02%)	⬇️
shard-2	36.75% <ø> (+<0.01%)	⬆️
shard-3	32.56% <ø> (+<0.01%)	⬆️
shard-4	34.62% <ø> (+<0.01%)	⬆️
shard-5	31.59% <ø> (+<0.01%)	⬆️
shard-6	44.98% <ø> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

[loopover-orb]

Tip

✅ LoopOver review result - approve/merge recommended

_{Review updated: 2026-07-16 07:03:09 UTC}

2 files · 1 AI reviewer · no blockers · readiness 86/100 · CI green · clean

✅ Suggested Action - Approve/Merge

• safe to merge

Review summary
This PR moves the packaged-scorer path builder from a production export (referenceScorePreviewCommand) into a local test-only helper, since the only real caller was the test file itself, and correctly leaves the intentionally path-redacted referenceScorePreviewExample untouched. The diff is coherent, small, closes #6259, and the now-unused dirname import is also removed; the new test helper uses join(process.cwd(), ...) mirroring the existing fixtureCommand() pattern in the same file. CI is fully green and the change is a clean, well-scoped dead-code removal with no functional regression.

Nits — 3 non-blocking

• test/unit/local-scorer-adapter.test.ts: packagedScorerCommand assumes process.cwd() is the repo root when tests run, same assumption fixtureCommand() already makes, so it's consistent but worth confirming test runner cwd is stable across CI/local invocations.
• packages/loopover-mcp/lib/local-branch.js: the PR also silently drops the packageRoot constant along with fileURLToPath usage for that constant — worth double-checking fileURLToPath import is still used elsewhere in the file (not shown in diff) since it's still imported.
• Consider adding a short JSDoc-style note directly above referenceScorePreviewExample in local-branch.js cross-referencing the test file's packagedScorerCommand, so future readers know why a similar-looking function lives in two places.

Decision drivers

• ✅ Code review — No blockers (1 reviewer)
• ✅ Gate result — Passing (No configured blocker found.)

Context & advisory signals — never blocks the verdict

Signal	Result	Evidence
Linked issue	✅ Linked	#6259
Related work	✅ No active overlap found	No same-issue or scoped active PR overlap found.
Change scope	❌ 8/20	High review scope from cached public metadata (1 linked issue).
Validation posture	✅ 25/25	PR body includes validation/test evidence.
Contributor workload	✅ 10/10	Author activity: 1926 registered-repo PR(s), 1268 merged, 54 issue(s).
Contributor context	✅ Confirmed Gittensor contributor	galuis116; Gittensor profile; 1926 PR(s), 54 issue(s).
Improvement	✅ Minor	risk: clean · value: minor

Review context

• Author: galuis116
• Role context: outside_contributor
• Public audience mode: oss maintainer
• Lane context: Repository is configured for direct PR review.
• Public profile languages: not available
• Official Gittensor activity: 1926 PR(s), 54 issue(s).
• PR-specific overlap: none found.

Contributor next steps

• Start here: Add a concise scope and risk note.
• Then work through the remaining 1 step in the Signals table above.

Signal definitions

• Related work = same linked issue, overlapping active PRs, or title/path similarity.
• Change scope = cached public metadata such as size labels, draft state, and review-burden hints.
• Validation posture = whether the PR provides enough public validation/test evidence for maintainer review.
• Contributor workload = public contributor activity and cleanup pressure, not a repo-wide quality failure.
• Contributor context = public GitHub/Gittensor identity context; non-Gittensor status is not a blocker.

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_{🟩 Safe / merged · 🟦 Advisory · 🟨 Held for review · 🟥 Blocked / closed}

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