notify_event returned after the first filter that matched, so a
connection holding several subscriptions only ever received an event on
one of them. That is invisible with one subscription per client, but a
multiplexer such as nostrclient funnels all of its clients through a
single connection. With nwcprovider subscribed to its own kind-23195
responses, every NWC reply was handed to that subscription and stopped
there; the wallet app's subscription on the same connection never saw
it, and Amethyst reported "wallet request timed out". Direct to the
relay it worked, because the app then had its own connection.
Deliver once per subscription id instead, and demote the per-filter
miss log to debug: it emitted one INFO line per filter per event.
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_013Tbyw6FwjhEJg3gHfPHxWt
