Swap button re-frames the biwheel by the other chart (houses, ASC
rotation follow the outer chart); legend updates, resets per comparison,
and warns when the framing chart has an unknown birth time.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Frontend-only filtering over the already-computed chart — wheel, tables,
aspect grid/list, report and synastry views all respect the toggles;
state persists in localStorage.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Full-detail natal charts: 21 bodies/points, 7 house systems, 11 aspect
types with applying/separating, dignities, declination parallels,
sect/balances/moon phase, offline city search with historical IANA
time atlas, SVG wheel, and a written interpretation report.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
