Super-Calendar Legacy Compatibility

Docs: https://super-calendar.io/legacy/
Contract: https://super-calendar.io/api/legacy

Legacy transport: http://legacy.super-calendar.io/
Secure mirror: https://legacy.super-calendar.io/
Charset: ?charset=0 (Unicode, default), 1 (ASCII), 2 (Latin-1)
Scope: public, read-only, allowlisted I/O over an HTTPS upstream
No login, cookies, credentials, private data, or arbitrary proxying.

Routes:
/health.txt
/weather-summary
/weather-lab-summary
/exchange-summary
/moon-summary