Index, probe, and announce LNURL mints in the API.

Wire discovery and probing for LNURL mints, add rate-limited POST /api/index
for user submissions, and optionally announce confirmed state to relays.

Co-authored-by: Cursor <cursoragent@cursor.com>

api/src/index.ts

@@ -1,4 +1,5 @@
 import { serve } from '@hono/node-server';
+import { announceLnurlMints } from './announce.ts';
 import { config } from './config.ts';
 import { closeDb, getDb, pruneProbes } from './db.ts';
 import { closePool, runDiscovery } from './discovery.ts';
@@ -31,6 +32,20 @@ async function probeCycle(): Promise<void> {
   probeRunning = true;
   try {
     await track(probeAll());
+    /*
+     * Announcing runs after probing, in the same cycle, because it publishes only what
+     * the probe just confirmed — running it on its own timer would mean signing for a
+     * state that could be an interval old. Off by default; see `announceConfig`.
+     *
+     * Its own failures are caught here rather than allowed to mark the probe cycle
+     * failed: whether relays accepted an event says nothing about whether this site
+     * successfully checked its mints.
+     */
+    await track(announceLnurlMints()).catch((err: unknown) => {
+      log.error('announce cycle failed', {
+        reason: err instanceof Error ? err.message : String(err),
+      });
+    });
   } catch (err) {
     log.error('probe cycle failed', { reason: err instanceof Error ? err.message : String(err) });
   } finally {