[jake-b-omni]

Summary

The hand-authored OCC Evidence-Source companion for omnidash#375 (OMN-20752). occ-autobind has no candidate grammar for TypeScript, page-spec JSON or package.json, so it cannot mint a companion for #375. Without one, #375's verify / verify fails closed on the missing Evidence-Source: line.

What changed

• contracts/OMN-20752.yaml (new): copies AC1 and AC2 word for word from the ticket and declares three checks.
  • dod-OmniNode-ai-omnidash-pr-375 counts the "metric_key": "counterfactual_usd" card in src/pages/local/overview.page.yaml at e8d5013e.
  • dod-OmniNode-ai-omnidash-pr-375-contract counts the overview-baseline-spend component in src/pages/local/overview.contracts.yaml at e8d5013e.
  • dod-OmniNode-ai-omnidash-pr-375-ci is the product-diff-scope read of test(OMN-9722): receipt-gate regex specificity adversarial #375's files.
• drift/dod_receipts/OMN-20752/*/command.yaml: one receipt per item, each filled by check_receipt_hardening.py --capture-probe (verifier occ-probe-capture-v1).

How it was verified

• Both content probes ran both legs: exit 0 at e8d5013e, exit 1 at the merge base 3617a5cc.
• The contract was run through yamlfmt to a fixed point before hashing. contract_sha256 and contract_entry_sha256 were rechecked after the receipt reflow: all three receipts bind.
• pre-commit run over the four files passed on the second pass.

Not in this change

No product code; that is in omnidash#375.

Evidence-Ticket: OMN-20752

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