agentic-dev/docs/work/conformance-system-v1/04-ci-drift-gate/_story.md

id, epic, title, type, status, feature, depends-on, blocks

id	epic	title	type	status	feature	depends-on	blocks
04-ci-drift-gate	conformance-system-v1	CI drift gate — pnpm conformance with cross-feature event closure	technical-story	done	scripts	03-b-ast-eslint-rules	05-generator-updates

Goal

pnpm conformance aggregates cross-feature checks that no single-file ESLint rule can perform — most importantly, event closure: every event declared in any manifest's consumes must have at least one matching publishes somewhere in the repo.

Why

Per-file lint can't see cross-feature contracts. Without this gate, a feature can declare it consumes X while no feature publishes X — silent until the broken handler is exercised in prod.

Done when

• pnpm conformance exits 0 when manifests are consistent; non-zero with a clear error message on orphan consumers
• Wired into turbo.json as the conformance task
• Wired into .github/workflows/ci.yml after pnpm lint

In scope

• scripts/conformance.mjs — orphan-consumer check
• Tests via vitest
• turbo.json + CI wiring

Out of scope

• Scaffold drift check (regenerate via turbo gen feature, diff against on-disk state) — depends on generator updates landing
• Repository write outside use-cases check — separate concern
• Reverse check (orphan publishers — events nothing consumes) — many events are intentionally "fire and forget"; not a closure violation

Tasks

• Story scaffold
• scripts/conformance.mjs implementation
• Tests for the script
• Wire into root package.json + turbo.json
• Wire into ci.yml
• Final verification + closeout