Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_017eEAG8HD3mm8gsKXgk8uU8
Open /chart from the sidebar without billing or a model. Five tabs; Western and Qizheng stay unavailable until those endpoints land. Ephemeris nav points at /ephemeris (404 until that page ships).