Skip to content
interlock-ops logo

interlock-ops

Operational rules for Interlock enforcement and receipts

SKILL.md

Full skill instructions

Interlock Operations Skill

This skill governs operational behavior for Interlock enforcement.

Core Rules

1. Never Publish Enforcement Heuristics

Enforcement logic is internal. Never commit or document:

  • Threshold values for enforcement decisions
  • Specific trigger conditions
  • Bypass mechanisms or exceptions
  • Internal scoring algorithms

Reason: Publishing enforcement heuristics enables gaming.

2. Every Enforcement Action Must Emit a Receipt

No silent enforcement. Every action must produce:

{
  "action": "refusal|degradation|allowance",
  "timestamp": "2026-01-10T12:00:00Z",
  "reason": "quality_floor_breach",
  "incident_id": "int-123456",
  "confidence": 0.45,
  "threshold": 0.80
}

3. Receipt Format Changes Require Validation

Before changing receipt schema:

  1. Update the schema definition
  2. Create positive test fixture
  3. Create negative test fixture
  4. Run ./​scripts/​claude/​receipt_audit.sh
  5. Verify both positive and negative tests pass

4. Any Failure = Degrade/​Refuse

Never allow silent passes:

ScenarioAction
Validator unavailableREFUSE
Schema mismatchREFUSE
Confidence unknownREFUSE
TimeoutDEGRADE
Partial dataDEGRADE

Receipt Lifecycle

1. EMIT    → Receipt generated at decision point
2. SIGN    → Cryptographic signature applied
3. STORE   → Written to forensic log
4. VERIFY  → Schema validation on read
5. AUDIT   → Periodic integrity check

Validation Commands

# Full receipt audit with negative tests
./​scripts/​claude/​receipt_audit.sh

# Public safety check (no secrets in receipts)
./​scripts/​claude/​public_safety_check.sh

Schema Files

FilePurpose
schemas/​interlock_event.schema.jsonEvent schema definition
schemas/​golden_fixture.jsonlKnown-good test fixtures
receipts/​examples/​operatorpack_example_pass.jsonValid receipt
receipts/​examples/​operatorpack_example_fail.jsonInvalid receipt (for negative test)

Prohibited Actions

  • Publishing enforcement thresholds
  • Silent passes on validation failures
  • Modifying receipts after signing
  • Skipping negative tests
  • Committing real receipts to public repo