feat(app): expose recommendation rerun reasons

[MkDev11]

Summary

• Add public-safe changed-since-last-run metadata to miner dashboard next actions and repo-fit rows.
• Group deterministic rerun reasons by repo state, contributor state, validation state, and policy/context state.
• Render changed and unchanged recommendation states in the miner dashboard.

Closes #242

Scope

• 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 an issue, or this is small enough that the summary explains why an issue is not needed.

Validation

• git diff --check
• npm run actionlint
• npm run typecheck
• npm run test:coverage locally; global coverage stays at or above 97% for lines, statements, functions, and branches (aim for 98%+ branch coverage locally so CI variance does not fail near the threshold)
• npm run test:workers
• npm run build:mcp
• npm run test:mcp-pack
• npm run ui:openapi:check
• npm run ui:lint
• npm run ui:typecheck
• npm run ui:build
• npm audit --audit-level=moderate
• New or changed behavior has unit/integration tests for new branches, fallback paths, and sanitizer boundaries

If any required check was skipped, explain why:

• None. Full npm run test:ci passed locally. Coverage summary: statements 99.05%, branches 97%, functions 98.43%, lines 99.62%.

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.
• API/OpenAPI/MCP behavior is updated and tested where needed.
• UI changes use live API data or real empty/error/loading states, not production mock/demo fallbacks.
• Visible UI changes include screenshots or a short recording.
• Public docs/changelogs are updated where needed; changelogs are only edited for release-prep PRs.

Notes

• API payload changes are additive on /v1/app/miner-dashboard; OpenAPI remains the existing generic app response schema.
• No docs or changelog update is needed for this feature PR.
• UI evidence:
  • Desktop: https://raw.githubusercontent.com/MkDev11/gittensory/pr-evidence-issue-242-rerun-reasons/pr-evidence/issue-242-desktop.png
  • Mobile: https://raw.githubusercontent.com/MkDev11/gittensory/pr-evidence-issue-242-rerun-reasons/pr-evidence/issue-242-mobile.png

[gittensory]

Important

Gittensory found maintainer review notes

Scoped related-work signals were found for this PR. They are advisory unless the gate reports a blocker.

Signal	Status	Action
Linked issue	#242	Ready for issue-scoped review.
Duplicate risk	9+ scoped related-work signals	Advisory review only.
Review burden	High	Estimated from public PR metadata.
Repo queue	Critical	Repo-wide context only; this does not block the gate.
Contributor context	Confirmed Gittensor contributor	Official public API confirmed this GitHub user.
Gate result	Passing	No configured blocker found.

Review context

• Author: MkDev11
• 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: 287 PR(s), 10 issue(s).
• PR-specific overlap: Items reference the same linked issue feat(agent): expose recommendation changes and rerun reasons in miner dashboard #242. (issue feat(agent): expose recommendation changes and rerun reasons in miner dashboard #242)
• PR-specific overlap: Titles share 143 meaningful terms. (PR feat(settings): wire policy compiler into registration readiness #350)
• PR-specific overlap: Titles share 143 meaningful terms. (PR feat(mcp): add custom agent profiles to init-client #351)
• PR-specific overlap: Titles share 148 meaningful terms. (PR feat(raycast): scaffold Gittensory Raycast extension #356)
• Additional scoped related-work signals hidden: 155.

Maintainer notes

• Possible duplicate or overlapping work: 159 related open work cluster(s) were detected.

Contributor next steps

• Review the scoped related-work signal before deep review; it is not a merge blocker by itself.
• Check active issues and PRs before submitting.

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