feat(hosts): promote Codex CLI / Cursor / Grok to supported — H8 pin (111.3.3/111.4.4/111.5.4) test-support-claim-wording: ok test-support-claim-wording-selftest: ok test-cursor-adapter-candidate: ok test-grok-adapter-candidate: ok test-public-claims-contract: ok test-readme-product-surface: ok test-bootstrap-skill-trigger-acceptance: ok test-bootstrap-routing-contract: ok test-claude-upstream-integration: OK test-host-registry: ok zero-grep (codex cli|cursor|grok + internal-compatible): ZERO_MATCH Co-authored-by: Cursor <cursoragent@cursor.com> |