evidence(OMN-14326): OCC companion for omnimarket PR 1707

[jonahgabriel]

Summary

Net-new OCC companion providing the Evidence-Source durable receipt for omnimarket PR #1707 (OMN-14326 — two pure COMPUTE codegen-analysis nodes: node_ast_node_analyzer + node_stub_detector).

Authored by an independent adversarial verifier who did NOT implement the product PR (the builder died on the session limit after opening #1707), per no-self-authored-evidence (OMN-14055).

Independent verification (product head f6e379329894d7d57383f924463a72367b2dc1e3)

• Tests: node_ast_node_analyzer + node_stub_detector protocol suites pass 34/34 (18 + 16).
• Mutation-discrimination (each mutation reverted, worktree left clean): four semantic mutations across the two handlers were each caught RED — analyzer HTTP-detection disabled → 2 fail; analyzer mixin-extraction disabled → 1 fail; stub-detector marker guard inverted → 10 fail; stub-detector NotImplementedError changed from AST-Raise-node to naive substring → the string-literal false-positive test failed by flagging method describe. The suites are behavior-discriminating, not vacuous.
• COMPUTE purity: neither handler performs file/network I/O. The AST analyzer parses request.source_text — it never reads a file path (the module-name and open(/Path( constants are detection needles matched against the analyzed source, not imports/calls); the stub detector uses in-memory io.StringIO + tokenize only. No Plugin* base and no cross-node imports (each node imports only its own models).
• Gates: ruff check clean, ruff format --check clean (13 files), mypy --strict clean (13 source files), runtime import-check clean (352 entry points, both new nodes registered), node metadata dependency scope PASS.
• pyproject delta: two onex.nodes entry-point registration lines only — no new third-party dependency.
• CI state on evidence(OMN-11827): bind OCC receipt sha #1707: the only real red is occ-preflight / eligibility (missing 'Evidence-Source:' line); the additional red gates (OCC Preflight Dependency, Hostile Review Gate, Omni Standards Gate, PR Arch Review Gate, CI Summary) are pure downstream cascades that fail-fast on occ-preflight=failure. No independent product/test failure.

Files

• contracts/OMN-14326.yaml — 3 dod_evidence items (dod-001, dod-deploy-assessment, dod-occ-self).
• drift/dod_receipts/OMN-14326/{dod-001,dod-deploy-assessment,dod-occ-self}/command.yaml.

Self-binds deterministically via the first commit SHA (e87b7c64638a29a40d1c01fb8d59395a78b03035) — no PR-number prediction. contract_sha256 computed after yamlfmt (sha256:38e77d8c…).

Evidence-Ticket: OMN-14326

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Review details

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

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Run ID: 65088b64-46f6-4410-ae31-f1415137db12

📥 Commits

Reviewing files that changed from the base of the PR and between cd3574a and 758e8fb.

📒 Files selected for processing (4)

• contracts/OMN-14326.yaml
• drift/dod_receipts/OMN-14326/dod-001/command.yaml
• drift/dod_receipts/OMN-14326/dod-deploy-assessment/command.yaml
• drift/dod_receipts/OMN-14326/dod-occ-self/command.yaml

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch jonah/omn-14326-occ-market-1707

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