Why: rdm.project.list returns { projects: [...] }; the cockpit component
assumed a bare array and always rendered 暂无可见研发项目, caught by I4 e2e
scenario 1.
Evidence: tsc/vitest/build green (SELF); browser e2e rerun recorded on the
Dev I4 card.
Impact: cockpit entry only.
Refs: rollout I4