Files
acdl/schemas/metrics_event.schema.json
T
Jon Chery f8616b806e feat(P1): event emitters — CloudEvents envelope, Decision Ledger, Infracost adapter, attestation/confidence/policy event emission
P1 (Wave 1, feat) — REQ-187, REQ-188, REQ-205 (emitter), REQ-206 (emitter)

New components:
- core/metrics/event_envelope.py — CloudEvents 1.0 envelope + platform.* conventions
- core/metrics/run_manifest.py — per-run manifest writer (nova.run.started/completed/failed)
- core/metrics/decision_ledger.py — SQLite append-only hash-chain (ai.decision.made + attestation.recorded)
- core/metrics/infracost_adapter.py — Infracost post-processor (degraded mode when CLI absent, A6)
- schemas/metrics_event.schema.json — CloudEvents envelope schema
- schemas/metrics_run_manifest.schema.json — per-run manifest schema
- metrics/README.md — backup/restore doc (REQ-201)
- tests/test_metrics_emitters.py — 16 tests (all pass)

Modified components:
- core/confidence_signal.py — emits nova.confidence.computed + nova.ai.decision.made (D-122)
- core/hitl_gates.py — emits nova.attestation.recorded on qa/prod/dr gates (D-132)
- adapters/terraform/policy/checkov_adapter.py — emits nova.policy.evaluated
- pyproject.toml — addopts gains --junitxml + --json-report + --cov (REQ-206)
- .gitignore — metrics runtime artifacts ignored

D-120: Nova-native (JSONL + SQLite, no Kafka/OTel)
D-121: Decision Ledger = outbox_writer extension → SQLite hash-chain
D-122: AI decision = confidence_signal + HITL gate (not LLM)
D-128: metrics/ at repo root
D-132: Attestation instrumentation

---ci---
project: acdl
phase: 1
milestone: v1.17
status: execute
---/ci---
2026-08-04 19:58:54 +00:00

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{
"$schema": "http://json-schema.org/draft-07/schema#",
"title": "Nova CloudEvents 1.0 Envelope",
"description": "CloudEvents 1.0 envelope with Nova platform.* semantic conventions. Used for all metrics events (REQ-187).",
"type": "object",
"required": ["specversion", "id", "source", "type", "time", "datacontenttype", "platform", "data"],
"properties": {
"specversion": {"type": "string", "const": "1.0"},
"id": {"type": "string", "minLength": 1},
"source": {"type": "string", "minLength": 1},
"type": {"type": "string", "minLength": 1, "pattern": "^nova\\."},
"time": {"type": "string", "format": "date-time"},
"subject": {"type": "string"},
"datacontenttype": {"type": "string", "const": "application/json"},
"platform": {
"type": "object",
"required": ["run_id", "environment"],
"properties": {
"tenant_id": {"type": "string"},
"run_id": {"type": "string", "minLength": 1},
"contract_id": {"type": "string"},
"environment": {"type": "string", "enum": ["dev", "qa", "prod", "dr"]},
"actor": {
"type": "object",
"properties": {
"type": {"type": "string"},
"id": {"type": "string"}
}
},
"trace_id": {"type": "string"}
}
},
"data": {"type": "object"}
},
"additionalProperties": true
}