publish(task 9): blossom-server-liste-loader (kind:10063)

parseBlossomServers(ev) extrahiert "server"-tag-urls, normalisiert
trailing-slash. loadBlossomServers(bootstrapRelay, pubkey) fragt
kind:10063 via applesauce-relay. 3 tests grün.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

publish/src/core/blossom-list.ts

@@ -0,0 +1,22 @@
+import { Relay } from 'applesauce-relay'
+import { firstValueFrom, timeout } from 'rxjs'
+import type { SignedEvent } from './relays.ts'
+
+export function parseBlossomServers(ev: { tags: string[][] }): string[] {
+  return ev.tags
+    .filter((t) => t[0] === 'server' && t[1])
+    .map((t) => t[1].replace(/\/$/, ''))
+}
+
+export async function loadBlossomServers(
+  bootstrapRelay: string,
+  authorPubkeyHex: string,
+): Promise<string[]> {
+  const relay = new Relay(bootstrapRelay)
+  const ev = await firstValueFrom(
+    relay
+      .request({ kinds: [10063], authors: [authorPubkeyHex], limit: 1 })
+      .pipe(timeout({ first: 10_000 })),
+  ) as SignedEvent
+  return parseBlossomServers(ev)
+}

publish/tests/blossom-list_test.ts

@@ -0,0 +1,28 @@
+import { assertEquals } from '@std/assert'
+import { parseBlossomServers } from '../src/core/blossom-list.ts'
+
+Deno.test('parseBlossomServers: extrahiert server-urls in reihenfolge', () => {
+  const ev = {
+    kind: 10063,
+    tags: [
+      ['server', 'https://a.example'],
+      ['server', 'https://b.example'],
+      ['other', 'ignored'],
+    ],
+  }
+  assertEquals(parseBlossomServers(ev), ['https://a.example', 'https://b.example'])
+})
+
+Deno.test('parseBlossomServers: leere liste bei fehlenden tags', () => {
+  assertEquals(parseBlossomServers({ tags: [] }), [])
+})
+
+Deno.test('parseBlossomServers: entfernt trailing-slash normalisierung', () => {
+  const ev = {
+    kind: 10063,
+    tags: [
+      ['server', 'https://a.example/'],
+    ],
+  }
+  assertEquals(parseBlossomServers(ev), ['https://a.example'])
+})