v0.19.0

Changelog

• 956909c: ci: unify GitHub Actions to current majors (Node-24 baseline) (@yasyf)
• fd8bff6: docs: add Plan Execution & Orchestration section with model routing table (@yasyf)
• 3933ef1: docs: review expiry TTL and the close/list repair path (@yasyf)
• fddb347: feat(cli): cc-review close and list repair commands (@yasyf)
• 4b77dfa: feat(daemon): adopt cc-interact v0.1.7 — per-window review resolution (@yasyf)
• cf8ab36: feat(daemon): expire idle reviews after 24h and add close/list ops (@yasyf)
• 16b3499: feat(store): review idle clock, expired-status CAS, and the shared close pipeline (@yasyf)
• 786ce7f: feat(web): close-without-submitting and expired/closed review states (@yasyf)