feat(miner): add PreToolUse-style deny-hook primitives

[dhgoal]

Summary

Adds the PreToolUse-style deny-hook primitives to @jsonbored/gittensory-miner: a pure, deterministic evaluateDenyHooks(toolCall, rules) decision function plus a non-empty built-in DEFAULT_DENY_RULES set, so the miner package has a checked, testable place to enforce house rules before any later phase wires a real coding-agent tool-call loop through it.

This is the deterministic rule-evaluator only — there is no live tool-call interception in this phase (that needs a real coding-agent driver, out of scope here). The module never executes, intercepts, or mutates anything; a later phase's real hook wiring calls the verdict.

A DenyRule is { matcher, pathPattern?, inputIncludesAll?, reason }. A rule fires when its tool-name matcher matches and every constraint it declares matches: pathPattern (a glob) against any path-shaped string in the tool-call input, and/or inputIncludesAll (substrings that must all appear in one string field, e.g. a shell command). The built-in rules mirror the forbidden-path regex in scripts/check-mcp-package.mjs — block .github/workflows/**, .env*, **/secret*/**, **/*private*key* — plus a conservative git force-push guard (a command carrying both push and --force). An empty rule set, or a call matching no rule, always allows.

inputIncludesAll is a minimal, data-driven extension of the example DenyRule shape: the required force-push guard is a command-content check that a path glob cannot express, so it is modeled generally (order-independent substring set) rather than as a one-off special case.

Closes #2295.

Follow-up (not in scope here)

The issue also lists wiring a status line into gittensory-miner doctor. That command does not exist yet — it comes from the CLI-entry-point issue (#2288), which is still open (and #2614 is an open PR for the laptop-mode doctor). Adding a doctor command here would duplicate/overlap that work, so the one-line "deny-hook module loads, default rule set non-empty" check is deferred to land alongside the CLI entry point. The primitive and its default set are complete and ready to wire; the non-empty invariant is already pinned by a test here.

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 an issue (feat(miner-foundation): PreToolUse-style deny-hook primitives for gittensory-miner #2295).

Validation

• git diff --check
• npm run typecheck
• npm run test:coverage locally — the new test/unit/miner-deny-hooks.test.ts passes; the whole suite is green. (This change lives entirely in packages/**, which Codecov does not measure, so it carries no codecov/patch obligation; the logic is nonetheless covered on both sides of every built-in rule.)
• node --check lib/deny-hooks.js via npm run --workspace @jsonbored/gittensory-miner build
• npm audit --audit-level=moderate — this PR adds no dependencies, so dependency-review has nothing new to evaluate.
• New behavior has unit tests for new branches (each built-in rule fires and does not fire; empty-rule-set and no-match allow paths; matcher/pathPattern/array-field/force-push-order composition; malformed-input degrade-to-allow).

If any required check was skipped, explain why:

• UI/OpenAPI/migration/workers checks are not applicable: this change is a single pure module in packages/gittensory-miner/lib plus its test — no src/**, UI, API schema, DB, or Cloudflare-binding surface is touched.

Safety

• No secrets, wallet details, hotkeys, coldkeys, user PATs, private keys, raw trust scores, private rankings, or private maintainer evidence are exposed. (The built-in rules reference secret-bearing path patterns as deny targets; no secret values appear.)
• 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: pure decision function, no auth/session/network surface.
• API/OpenAPI/MCP behavior is updated and tested where needed. — n/a: no API/OpenAPI/MCP surface changed.
• UI changes use live API data or real states. — n/a: no UI change.
• Visible UI changes include a UI Evidence section. — n/a: no visible UI, frontend, docs, or extension change.
• Public docs/changelogs are updated where needed; changelogs are only edited for release-prep PRs.

Notes

Additive: two new files (lib/deny-hooks.js + its lib/deny-hooks.d.ts) mirroring the package's existing hand-authored JS+.d.ts pattern (lib/opportunity-fanout.*), one line added to the package build (node --check) gate, and one new test file. No existing code is modified.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.15%. Comparing base (f207263) to head (c16514c).
⚠️ Report is 8 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2688      +/-   ##
==========================================
+ Coverage   96.13%   96.15%   +0.01%     
==========================================
  Files         239      240       +1     
  Lines       26739    26866     +127     
  Branches     9699     9750      +51     
==========================================
+ Hits        25705    25832     +127     
  Misses        424      424              
  Partials      610      610              

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• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

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Warning

🟨🟨🟨🟨🟨🟨🟨🟨🟨🟨🟨🟨

⏸️ Gittensory review result - manual review recommended

_{Review updated: 2026-07-03 06:10:03 UTC}

4 files · 1 AI reviewer · no blockers · readiness 80/100 · CI green · clean

⏸️ Suggested Action - Manual Review

Review summary
The change adds a standalone deny-rule evaluator with default rules and focused unit coverage for the intended matcher/path/content behavior. The core evaluator is deterministic and the visible tests cover the built-in rules, empty rule sets, matcher-only rules, and top-level array fields. The most notable gap is that path globs only evaluate whole top-level string values, so command strings containing protected paths are not covered unless a later caller tokenizes them first.

Nits — 5 non-blocking

• nit: `packages/gittensory-miner/lib/deny-hooks.js:45` only collects top-level strings and string arrays, so either document that callers must pre-extract paths from command-shaped inputs or add coverage for the intended behavior.
• nit: `packages/gittensory-miner/lib/deny-hooks.js:68` treats `inputIncludesAll: []` as satisfied for any string input, which is surprising for a declared constraint; consider rejecting empty substring sets or documenting the vacuous-match behavior.
• nit: `packages/gittensory-miner/lib/deny-hooks.d.ts:15` makes `name` and `input` required even though the implementation deliberately tolerates malformed calls; align the public type with the runtime contract if callers are expected to use that degraded path.
• Add a test in `test/unit/miner-deny-hooks.test.ts` for a command string that references a protected path, and either support tokenized command-path matching in `packages/gittensory-miner/lib/deny-hooks.js` or explicitly assert that only structured path fields are in scope.
• In `packages/gittensory-miner/lib/deny-hooks.js`, treat an empty `inputIncludesAll` as a non-match or invalid rule so accidental empty constraints do not broaden a rule.

Signal	Result	Evidence
Code review	✅ No blockers	1 reviewer
Linked issue	✅ Linked	#2295
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 (size label size:L; 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: 0 registered-repo PR(s), 0 merged, 0 issue(s).
Contributor context	❌ No public Gittensor match	dhgoal; not a blocker.
Gate result	✅ Passing	No configured blocker found.

Review context

• Author: dhgoal
• Role context: outside_contributor
• Public audience mode: oss maintainer
• Lane context: Repository registration is not available in the local Gittensory cache.
• Public profile languages: not available
• Contributor context: Public profile only; not a blocker.
• PR-specific overlap: none found.

Contributor next steps

• Await review-lane availability.
• Refresh registry data or choose a registered active repo.

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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[JSONbored]

Please fix this:

The most notable gap is that path globs only evaluate whole top-level string values, so command strings containing protected paths are not covered unless a later caller tokenizes them first.

[dhgoal]

Fixed. The evaluator now tokenizes each input string (whitespace-split, quotes stripped) and tests every path glob against the whole value and each token, so a protected path embedded as a command argument — e.g. git add .github/workflows/ci.yml — is caught without relying on a later caller to pre-split the command. Added a regression test covering an embedded workflow path, an embedded secret path, and a benign command that stays allowed.