fix(miner): fall back to global config.apiUrl in loopoverApiUrl

[jeffrey701]

What

packages/loopover-miner/lib/github-token-resolution.ts's loopoverApiUrl() is a hand-maintained
copy of loopover-mcp's config resolution (the file's own header says so — there is no shared
module). But it diverged: loopover-mcp falls back activeProfile.apiUrl ?? config.apiUrl ?? default
(a top-level/global apiUrl), while the miner read only the active profile's apiUrl and then
went straight to the hardcoded DEFAULT_API_URL. A config that set apiUrl globally (not per-profile)
was silently ignored by the miner.

Change

• Add the top-level apiUrl? to the LoopoverConfig type (mirrors loopover-mcp's config shape).
• loopoverApiUrl() now tries the active profile's apiUrl then the global config.apiUrl before
  the default, applying the same trim + trailing-slash normalization + legacy-URL rejection to both.

LOOPOVER_API_URL env override still wins first; behavior when neither a profile nor a global apiUrl
is set is unchanged (still the default).

Validation

• New tests in test/unit/miner-github-token-resolution.test.ts: the global config.apiUrl is used
  when the profile has none (with trailing-slash normalization), and the profile's apiUrl takes
  precedence over the global one.
• npx vitest run test/unit/miner-github-token-resolution.test.ts → 30/30 pass; 100% coverage on the
  new resolution branch (lcov-verified).

Closes #8854

[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 90.58%. Comparing base (546b260) to head (fb269ad).
⚠️ Report is 6 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8937      +/-   ##
==========================================
+ Coverage   90.56%   90.58%   +0.02%     
==========================================
  Files          96       97       +1     
  Lines       22490    22542      +52     
  Branches     3884     3910      +26     
==========================================
+ Hits        20367    20419      +52     
  Misses       1945     1945              
  Partials      178      178              

Flag	Coverage Δ
backend	100.00% <100.00%> (?)

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

Files with missing lines	Coverage Δ
...ages/loopover-miner/lib/github-token-resolution.ts	100.00% <100.00%> (ø)

[loopover-orb]

Tip

✅ LoopOver review result - approve/merge recommended

_{Review updated: 2026-07-26 14:03:08 UTC}

2 files · 1 AI reviewer · no blockers · readiness 93/100 · CI green · clean

✅ Suggested Action - Approve/Merge

• safe to merge

Review summary
This PR adds a top-level `apiUrl` fallback to the miner's hand-copied config resolver in `loopoverApiUrl()`, correctly mirroring loopover-mcp's `activeProfile.apiUrl ?? config.apiUrl ?? default` precedence. The loop iterates profile-then-global candidates, applies trim/trailing-slash normalization and legacy-URL rejection uniformly to both, and preserves the LOOPOVER_API_URL env override taking precedence first — this matches the stated intent exactly. New tests cover both the global-fallback case and profile-takes-precedence case with trailing-slash normalization, closing #8854 as described.

Nits — 4 non-blocking

• packages/loopover-miner/lib/github-token-resolution.ts: the `for...of` loop over a 2-element array to pick the first valid candidate is a bit indirect — a simple `activeLoopoverProfile(env).apiUrl ?? loadLoopoverConfig(env).apiUrl` chain (matching the mirrored `??` style called out in the comment) would read closer to the loopover-mcp original it's copying.
• test/unit/miner-github-token-resolution.test.ts: no test exercises the legacy-URL check on the *global* apiUrl branch specifically (only the profile branch is tested for legacy rejection), though the shared normalization logic makes this low-risk.
• Consider replacing the `for` loop in `loopoverApiUrl()` with a flatter `??`-chain expression to mirror loopover-mcp's own resolver shape more literally, per the file's own stated sync intent.
• Add one test case asserting a legacy URL set as the *global* `config.apiUrl` also falls through to the default, for full branch parity with the profile-level legacy test.

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	#8854
Related work	✅ No active overlap found	No same-issue or scoped active PR overlap found.
Change scope	✅ 20/20	Low 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: 76 registered-repo PR(s), 35 merged, 18 issue(s).
Contributor context	✅ Confirmed Gittensor contributor	jeffrey701; Gittensor profile; 76 PR(s), 18 issue(s).
Improvement	✅ Minor	risk: clean · value: minor · LLM: moderate

Linked issue satisfaction

Partially addressed
The diff correctly adds the global config.apiUrl fallback to loopoverApiUrl(), addressing the core bug and testing profile-vs-global precedence, but the issue explicitly required a new dedicated parity test mirroring env-file-indirection-parity.test.ts that asserts loopoverApiUrl() and loopover-mcp's equivalent resolve identically across a matrix of cases — the PR only adds tests within the existi

Review context

• Author: jeffrey701
• Role context: outside_contributor
• Public audience mode: oss maintainer
• Lane context: Repository is configured for direct PR review.
• Public profile languages: Rust, TypeScript, Clojure, JavaScript
• Official Gittensor activity: 76 PR(s), 18 issue(s).
• PR-specific overlap: none found.

Contributor next steps

• Start here: Triage stale or unlinked PRs.

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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LoopOver approves — the gate is satisfied and CI is green.