feat: reply OK to client-published events

nostrclient never answered a client's EVENT with the NIP-01
`["OK", <id>, <accepted>, <message>]` command result. Clients built on
nostr-tools and similar libraries wait for that reply before treating a
publish as successful, so NWC wallet apps paired through the public
endpoint reported "publish failed" even though the request had been
fanned out and answered.

Relay OKs now flow through the message pool like events and notices.
The router tracks each EVENT a client publishes and replies exactly
once: `true` as soon as any relay accepts, `false` once every relay
connected at publish time has rejected it, after a 10 s timeout, or
immediately when no relay is connected. OKs nobody is waiting on are
dropped at the pump so the shared result map cannot grow unbounded.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_013Tbyw6FwjhEJg3gHfPHxWt
This commit is contained in:
Padreug 2026-09-12 13:31:00 +02:00
commit 7aa0ce14db
6 changed files with 277 additions and 4 deletions

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@ -50,6 +50,7 @@ flowchart LR
3. **Fan-Out** - Subscription requests are sent to all configured relays
4. **Aggregation** - Events from all relays are collected and deduplicated
5. **Response** - Events are sent back to the client with the original subscription ID
6. **Publish Acknowledgement** - Every `EVENT` a client publishes gets exactly one `["OK", <id>, <accepted>, <message>]` reply (NIP-01): `true` as soon as any relay accepts it, `false` once every relay has rejected it, the wait times out (10 s), or no relay is connected
## Configuration