Tasks

• Red: all/not engine tests; implement.
• Red: bundled pi/opencode/cursor fixture tests; port rules.
• Red: user-over-bundled selection and real-PTY pi test; implement.
• ADR-0025, docs/07.
• Mutation-check; scripts/verify.sh fast.
• Independent review (Claude agent); resolve findings.
• Publish, link and merge on exact-head CI.