init: readme 작성 하네스 설계

harness.yaml

@@ -0,0 +1,27 @@
+schema-version: 1
+name: readme-harness
+version: 0.2.0
+runtime: codex
+
+commands: [generate, audit, apply]
+
+pipeline:
+  - write
+  - validate
+  - separate-review
+  - one-revision-at-most
+  - patch
+
+artifacts:
+  required: [facts.json, validation.json, README.generated.md, README.patch]
+  after-review: [review.json]
+
+claims:
+  public-markers: forbidden
+  scope: high-risk-only
+  location: facts.json
+  address: [section, block, text-hash]
+
+apply-policy:
+  default: generate-only
+  require: [validation-pass, review-pass, explicit-command]