Register the chi routes as flat absolute paths (httpBase+"/slots" …)
instead of a nested r.Route mount: the wasm host forwards the full
original path with no prefix strip, so the nested mount's RoutePath
rebasing never matched and 404'd the entire HTTP surface.
Declare allowed_hosts = ["api.cal.com"] so the ADR-0023 install consent
dialog asks the admin to grant egress; without it every Cal.com call was
denied at runtime (ABI_ERROR_CODE_EGRESS_DENIED, no egress grant).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Alex Dunmow
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