feat(review): add review.tone public-safe voice brief knob (#2044)

[RealDiligent]

Closes #2044. Part of #1959.

[superagent-security]

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

[loopover-orb]

Warning

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⏸️ Gittensory review result - manual review recommended

_{Review updated: 2026-07-05 14:39:56 UTC}

5 files · 1 AI reviewer · no blockers · readiness 62/100 · CI pending · dirty

⏸️ Suggested Action - Manual Review

Review summary
The change threads `review.tone` through manifest parsing, serialization, prompt override resolution, and the queue processor call site, with focused tests covering parsing, public-safe rejection, round-tripping, and composition with existing instructions. The implementation keeps the default/null path byte-identical for the resolved prompt override and does not introduce a schema or migration concern because this is manifest-only config. No reachable correctness defect is visible in the provided diff.

Nits — 5 non-blocking

• nit: `src/signals/focus-manifest.ts:1848` uses a fairly long literal label inside the prompt composition; consider extracting the section label to a small constant so the test and implementation do not drift if the wording changes.
• nit: `.gittensory.yml.example:578` documents `tone` after `path_filters`, while the parser treats it as a top-level `review` field; keeping it near `profile` would make the relationship between the two knobs easier for operators to discover.
• In `src/signals/focus-manifest.ts:1848`, define a `REVIEW_TONE_SECTION_LABEL` constant and reuse it in `composeManifestReviewInstructions` and the unit expectation.
• In `.gittensory.yml.example:578`, move the `tone` example adjacent to `profile` so the public voice knob is documented next to the volume knob it complements.
• Readiness score is below the configured threshold — Use the readiness panel as advisory maintainer context; the score does not block this PR.

Signal	Result	Evidence
Code review	✅ No blockers	1 reviewer
Linked issue	✅ Linked	#2044
Related work	⚠️ 3 scoped overlaps	Top overlaps are listed below; lower-confidence bulk is hidden.
Change scope	❌ 8/20	High review scope from cached public metadata (1 linked issue).
Validation posture	❌ 5/25	Preflight is holding this PR: the review lane is unavailable, so it is not ready for automated review.
Contributor workload	✅ 10/10	Author activity: 163 registered-repo PR(s), 28 merged, 0 issue(s).
Contributor context	✅ Confirmed Gittensor contributor	RealDiligent; Gittensor profile; 163 PR(s), 0 issue(s).
Gate result	✅ Passing	No configured blocker found.

Review context

• Author: RealDiligent
• Role context: outside_contributor
• Public audience mode: oss maintainer
• Lane context: Repository registration is not available in the local Gittensory cache.
• Public profile languages: JavaScript, Ruby, Svelte, TypeScript, Cuda, Markdown
• Official Gittensor activity: 163 PR(s), 0 issue(s).
• Related work: Titles/paths share 7 meaningful terms. (issue #2044, issue #2046)
• Related work: Titles/paths share 7 meaningful terms. (issue #2044, issue #2045)
• Related work: Titles/paths share 8 meaningful terms. (issue #2044, issue #2047)
• Additional title-only matches omitted; title-only overlap does not block.

Contributor next steps

• Review top overlaps.
• Add a concise scope and risk note.
• Await review-lane availability.
• Refresh registry data or choose a registered active repo.
• Check active issues and PRs before submitting.

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.

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

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[loopover-orb]

Gittensory is closing this pull request on the maintainer's behalf (conflicts with the base branch — resolve and open a fresh PR). This is an automated maintenance action — to pursue this change, please open a new pull request with the issues resolved. Closed PRs may be analyzed later to improve review accuracy, but they are not automatically reopened or re-reviewed.