No injection code ever existed in this repository, so the marker was
inert in all 22 multi SKILL.md files. Remove it and correct the skill
authoring docs to describe safety rules as plain prose.
Co-authored-by: Cursor <cursoragent@cursor.com>
Add prescriptive layering rules to docs/architecture.md, a concise
skill-authoring contract with a scoped skills/AGENTS.md (dual-write:
CLI changes update skill prose in the same change), and route both
from the root AGENTS.md with harness contract coverage.
Co-authored-by: Cursor <cursoragent@cursor.com>