feat: add customizable search relays setting

Replace hardcoded SEARCHABLE_RELAY_URLS with user-configurable search
relays stored in localStorage. Add SearchRelaysSetting UI in System
settings page with add/remove/reset functionality.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/i18n/locales/ar.ts

@@ -163,7 +163,7 @@ export default {
     'Send only to r': 'إرسال فقط إلى {{r}}',
     'Send only to these relays': 'إرسال فقط إلى هذه الريلايات',
     Explore: 'استكشاف',
-    'Search relays': 'البحث في الريلايات',
+    'Search relays': 'ريلايات البحث',
     relayInfoBadgeAuth: 'مصادقة',
     relayInfoBadgeSearch: 'بحث',
     relayInfoBadgePayment: 'دفع',
@@ -670,6 +670,7 @@ export default {
     'Hide indirect': 'إخفاء غير المباشرة',
     'Copy note content': 'نسخ محتوى الملاحظة',
     'Video loop': 'تكرار الفيديو',
-    'Automatically replay videos when they end': 'إعادة تشغيل مقاطع الفيديو تلقائيًا عند انتهائها'
+    'Automatically replay videos when they end': 'إعادة تشغيل مقاطع الفيديو تلقائيًا عند انتهائها',
+    'Relays used for searching notes (NIP-50)': 'الريلايات المستخدمة للبحث عن الملاحظات (NIP-50)'
   }
 }

src/i18n/locales/de.ts

@@ -167,7 +167,7 @@ export default {
     'Send only to r': 'Nur an {{r}} senden',
     'Send only to these relays': 'Nur an diese Relays senden',
     Explore: 'Entdecken',
-    'Search relays': 'Relays suchen',
+    'Search relays': 'Such-Relays',
     relayInfoBadgeAuth: 'Auth',
     relayInfoBadgeSearch: 'Suche',
     relayInfoBadgePayment: 'Zahlung',
@@ -694,6 +694,7 @@ export default {
     'Hide indirect': 'Indirekte ausblenden',
     'Copy note content': 'Notizinhalt kopieren',
     'Video loop': 'Video-Schleife',
-    'Automatically replay videos when they end': 'Videos automatisch wiederholen, wenn sie enden'
+    'Automatically replay videos when they end': 'Videos automatisch wiederholen, wenn sie enden',
+    'Relays used for searching notes (NIP-50)': 'Relays für die Notizsuche (NIP-50)'
   }
 }

src/i18n/locales/en.ts

@@ -676,6 +676,7 @@ export default {
     'Hide indirect': 'Hide indirect',
     'Copy note content': 'Copy note content',
     'Video loop': 'Video loop',
-    'Automatically replay videos when they end': 'Automatically replay videos when they end'
+    'Automatically replay videos when they end': 'Automatically replay videos when they end',
+    'Relays used for searching notes (NIP-50)': 'Relays used for searching notes (NIP-50)'
   }
 }

src/i18n/locales/es.ts

@@ -167,7 +167,7 @@ export default {
     'Send only to r': 'Enviar únicamente a {{r}}',
     'Send only to these relays': 'Enviar únicamente a estos relés',
     Explore: 'Explorar',
-    'Search relays': 'Buscar relés',
+    'Search relays': 'Relés de búsqueda',
     relayInfoBadgeAuth: 'Autenticación',
     relayInfoBadgeSearch: 'Búsqueda',
     relayInfoBadgePayment: 'Pago',
@@ -687,6 +687,7 @@ export default {
     'Hide indirect': 'Ocultar indirectas',
     'Copy note content': 'Copiar contenido de la nota',
     'Video loop': 'Repetir video',
-    'Automatically replay videos when they end': 'Reproducir automáticamente los videos cuando terminen'
+    'Automatically replay videos when they end': 'Reproducir automáticamente los videos cuando terminen',
+    'Relays used for searching notes (NIP-50)': 'Relés utilizados para buscar notas (NIP-50)'
   }
 }

src/i18n/locales/fa.ts

@@ -165,7 +165,7 @@ export default {
     'Send only to r': 'فقط به {{r}} ارسال شود',
     'Send only to these relays': 'فقط به این رله‌ها ارسال شود',
     Explore: 'کاوش',
-    'Search relays': 'جستجو رله‌ها',
+    'Search relays': 'رله‌های جستجو',
     relayInfoBadgeAuth: 'احراز هویت',
     relayInfoBadgeSearch: 'جستجو',
     relayInfoBadgePayment: 'پرداخت',
@@ -682,6 +682,7 @@ export default {
     'Hide indirect': 'پنهان کردن غیرمستقیم',
     'Copy note content': 'کپی محتوای یادداشت',
     'Video loop': 'تکرار ویدیو',
-    'Automatically replay videos when they end': 'پخش خودکار ویدیوها پس از پایان'
+    'Automatically replay videos when they end': 'پخش خودکار ویدیوها پس از پایان',
+    'Relays used for searching notes (NIP-50)': 'رله‌هایی که برای جستجوی یادداشت‌ها استفاده می‌شوند (NIP-50)'
   }
 }

src/i18n/locales/fr.ts

@@ -166,7 +166,7 @@ export default {
     'Send only to r': 'Envoyer uniquement à {{r}}',
     'Send only to these relays': 'Envoyer uniquement à ces relais',
     Explore: 'Explorer',
-    'Search relays': 'Rechercher des relais',
+    'Search relays': 'Relais de recherche',
     relayInfoBadgeAuth: 'Auth',
     relayInfoBadgeSearch: 'Recherche',
     relayInfoBadgePayment: 'Paiement',
@@ -691,6 +691,7 @@ export default {
     'Hide indirect': 'Masquer indirects',
     'Copy note content': 'Copier le contenu de la note',
     'Video loop': 'Boucle vidéo',
-    'Automatically replay videos when they end': 'Rejouer automatiquement les vidéos à la fin'
+    'Automatically replay videos when they end': 'Rejouer automatiquement les vidéos à la fin',
+    'Relays used for searching notes (NIP-50)': 'Relais utilisés pour rechercher des notes (NIP-50)'
   }
 }

src/i18n/locales/hi.ts

@@ -166,7 +166,7 @@ export default {
     'Send only to r': 'केवल {{r}} को भेजें',
     'Send only to these relays': 'केवल इन रिले को भेजें',
     Explore: 'एक्सप्लोर करें',
-    'Search relays': 'रिले खोजें',
+    'Search relays': 'खोज रिले',
     relayInfoBadgeAuth: 'प्रमाणीकरण',
     relayInfoBadgeSearch: 'खोज',
     relayInfoBadgePayment: 'भुगतान',
@@ -682,6 +682,7 @@ export default {
     'Hide indirect': 'अप्रत्यक्ष छुपाएं',
     'Copy note content': 'नोट सामग्री कॉपी करें',
     'Video loop': 'वीडियो लूप',
-    'Automatically replay videos when they end': 'वीडियो समाप्त होने पर स्वचालित रूप से दोबारा चलाएं'
+    'Automatically replay videos when they end': 'वीडियो समाप्त होने पर स्वचालित रूप से दोबारा चलाएं',
+    'Relays used for searching notes (NIP-50)': 'नोट्स खोजने के लिए उपयोग किए जाने वाले रिले (NIP-50)'
   }
 }

src/i18n/locales/hu.ts

@@ -165,7 +165,7 @@ export default {
     'Send only to r': 'Küldés csak a {{r}} csomópontra',
     'Send only to these relays': 'Küldés csak ezekre a csomópontokra',
     Explore: 'Felderítés',
-    'Search relays': 'Csomópontok kereséshez',
+    'Search relays': 'Keresési csomópontok',
     relayInfoBadgeAuth: 'Auth',
     relayInfoBadgeSearch: 'Keresés',
     relayInfoBadgePayment: 'Fizetés',
@@ -676,6 +676,7 @@ export default {
     'Hide indirect': 'Közvetettek elrejtése',
     'Copy note content': 'Jegyzet tartalmának másolása',
     'Video loop': 'Videó ismétlése',
-    'Automatically replay videos when they end': 'Videók automatikus újrajátszása, amikor véget érnek'
+    'Automatically replay videos when they end': 'Videók automatikus újrajátszása, amikor véget érnek',
+    'Relays used for searching notes (NIP-50)': 'Jegyzetek kereséséhez használt csomópontok (NIP-50)'
   }
 }

src/i18n/locales/it.ts

@@ -166,7 +166,7 @@ export default {
     'Send only to r': 'Invia solo a {{r}}',
     'Send only to these relays': 'Invia solo a questi relay',
     Explore: 'Esplora',
-    'Search relays': 'Ricerca relay',
+    'Search relays': 'Relay di ricerca',
     relayInfoBadgeAuth: 'Autorizzazione',
     relayInfoBadgeSearch: 'Ricerca',
     relayInfoBadgePayment: 'Pagamento',
@@ -687,6 +687,7 @@ export default {
     'Hide indirect': 'Nascondi indirette',
     'Copy note content': 'Copia contenuto della nota',
     'Video loop': 'Ripetizione video',
-    'Automatically replay videos when they end': 'Riprodurre automaticamente i video quando terminano'
+    'Automatically replay videos when they end': 'Riprodurre automaticamente i video quando terminano',
+    'Relays used for searching notes (NIP-50)': 'Relay utilizzati per cercare le note (NIP-50)'
   }
 }

src/i18n/locales/ja.ts

@@ -165,7 +165,7 @@ export default {
     'Send only to r': '{{r}} にのみ送信',
     'Send only to these relays': 'これらのリレイにのみ送信',
     Explore: '探索',
-    'Search relays': 'リレイを検索',
+    'Search relays': '検索リレー',
     relayInfoBadgeAuth: '認証',
     relayInfoBadgeSearch: '検索',
     relayInfoBadgePayment: '支払い',
@@ -682,6 +682,7 @@ export default {
     'Hide indirect': '間接通知を非表示',
     'Copy note content': 'ノート内容をコピー',
     'Video loop': 'ビデオループ',
-    'Automatically replay videos when they end': 'ビデオ終了時に自動的にリプレイする'
+    'Automatically replay videos when they end': 'ビデオ終了時に自動的にリプレイする',
+    'Relays used for searching notes (NIP-50)': 'ノート検索に使用するリレー (NIP-50)'
   }
 }

src/i18n/locales/ko.ts

@@ -166,7 +166,7 @@ export default {
     'Send only to r': '{{r}}에만 전송',
     'Send only to these relays': '이 릴레이에만 전송',
     Explore: '탐색',
-    'Search relays': '릴레이 검색',
+    'Search relays': '검색 릴레이',
     relayInfoBadgeAuth: '로그인 필요',
     relayInfoBadgeSearch: '검색 지원',
     relayInfoBadgePayment: '유료',
@@ -676,6 +676,7 @@ export default {
     'Hide indirect': '간접 숨기기',
     'Copy note content': '노트 내용 복사',
     'Video loop': '비디오 반복',
-    'Automatically replay videos when they end': '비디오가 끝나면 자동으로 다시 재생'
+    'Automatically replay videos when they end': '비디오가 끝나면 자동으로 다시 재생',
+    'Relays used for searching notes (NIP-50)': '노트 검색에 사용되는 릴레이 (NIP-50)'
   }
 }

src/i18n/locales/pl.ts

@@ -163,7 +163,7 @@ export default {
     'Send only to r': 'Wyślij tylko do {{r}}',
     'Send only to these relays': 'Wyślij tylko do tych transmiterów',
     Explore: 'Transmitery',
-    'Search relays': 'Wyszukaj transmiter',
+    'Search relays': 'Przekaźniki wyszukiwania',
     relayInfoBadgeAuth: '✔️',
     relayInfoBadgeSearch: 'Wyszukiwarka',
     relayInfoBadgePayment: 'Płatności',
@@ -688,6 +688,7 @@ export default {
     'Hide indirect': 'Ukryj pośrednie',
     'Copy note content': 'Kopiuj treść notatki',
     'Video loop': 'Zapętlanie wideo',
-    'Automatically replay videos when they end': 'Automatycznie powtarzaj filmy po zakończeniu'
+    'Automatically replay videos when they end': 'Automatycznie powtarzaj filmy po zakończeniu',
+    'Relays used for searching notes (NIP-50)': 'Przekaźniki używane do wyszukiwania notatek (NIP-50)'
   }
 }

src/i18n/locales/pt-BR.ts

@@ -166,7 +166,7 @@ export default {
     'Send only to r': 'Enviar apenas para {{r}}',
     'Send only to these relays': 'Enviar apenas para estes relays',
     Explore: 'Explorar',
-    'Search relays': 'Pesquisar relays',
+    'Search relays': 'Relays de busca',
     relayInfoBadgeAuth: 'Auth',
     relayInfoBadgeSearch: 'Pesquisar',
     relayInfoBadgePayment: 'Pagamento',
@@ -685,6 +685,7 @@ export default {
     'Hide indirect': 'Ocultar indiretas',
     'Copy note content': 'Copiar conteúdo da nota',
     'Video loop': 'Repetir vídeo',
-    'Automatically replay videos when they end': 'Reproduzir automaticamente os vídeos quando terminarem'
+    'Automatically replay videos when they end': 'Reproduzir automaticamente os vídeos quando terminarem',
+    'Relays used for searching notes (NIP-50)': 'Relays usados para buscar notas (NIP-50)'
   }
 }

src/i18n/locales/pt-PT.ts

@@ -166,7 +166,7 @@ export default {
     'Send only to r': 'Enviar apenas para {{r}}',
     'Send only to these relays': 'Enviar apenas para estes relés',
     Explore: 'Explorar',
-    'Search relays': 'Pesquisar relés',
+    'Search relays': 'Relés de pesquisa',
     relayInfoBadgeAuth: 'Auth',
     relayInfoBadgeSearch: 'Pesquisar',
     relayInfoBadgePayment: 'Pagamento',
@@ -688,6 +688,7 @@ export default {
     'Hide indirect': 'Ocultar indiretas',
     'Copy note content': 'Copiar conteúdo da nota',
     'Video loop': 'Repetir vídeo',
-    'Automatically replay videos when they end': 'Reproduzir automaticamente os vídeos quando terminarem'
+    'Automatically replay videos when they end': 'Reproduzir automaticamente os vídeos quando terminarem',
+    'Relays used for searching notes (NIP-50)': 'Relés usados para pesquisar notas (NIP-50)'
   }
 }

src/i18n/locales/ru.ts

@@ -168,7 +168,7 @@ export default {
     'Send only to r': 'Отправить только на {{r}}',
     'Send only to these relays': 'Отправить только на эти ретрансляторы',
     Explore: 'Обзор',
-    'Search relays': 'Поиск ретрансляторов',
+    'Search relays': 'Ретрансляторы для поиска',
     relayInfoBadgeAuth: 'Авторизация',
     relayInfoBadgeSearch: 'Поиск',
     relayInfoBadgePayment: 'Платежи',
@@ -687,6 +687,7 @@ export default {
     'Hide indirect': 'Скрыть косвенные',
     'Copy note content': 'Скопировать содержимое заметки',
     'Video loop': 'Зацикливание видео',
-    'Automatically replay videos when they end': 'Автоматически воспроизводить видео заново после окончания'
+    'Automatically replay videos when they end': 'Автоматически воспроизводить видео заново после окончания',
+    'Relays used for searching notes (NIP-50)': 'Ретрансляторы для поиска заметок (NIP-50)'
   }
 }

src/i18n/locales/th.ts

@@ -163,7 +163,7 @@ export default {
     'Send only to r': 'ส่งเฉพาะไปยัง {{r}}',
     'Send only to these relays': 'ส่งเฉพาะไปยังรีเลย์เหล่านี้',
     Explore: 'สำรวจ',
-    'Search relays': 'ค้นหารีเลย์',
+    'Search relays': 'รีเลย์สำหรับค้นหา',
     relayInfoBadgeAuth: 'ยืนยันตัวตน',
     relayInfoBadgeSearch: 'ค้นหา',
     relayInfoBadgePayment: 'ชำระเงิน',
@@ -672,6 +672,7 @@ export default {
     'Hide indirect': 'ซ่อนทางอ้อม',
     'Copy note content': 'คัดลอกเนื้อหาโน้ต',
     'Video loop': 'เล่นวิดีโอซ้ำ',
-    'Automatically replay videos when they end': 'เล่นวิดีโอซ้ำอัตโนมัติเมื่อจบ'
+    'Automatically replay videos when they end': 'เล่นวิดีโอซ้ำอัตโนมัติเมื่อจบ',
+    'Relays used for searching notes (NIP-50)': 'รีเลย์ที่ใช้สำหรับค้นหาโน้ต (NIP-50)'
   }
 }

src/i18n/locales/zh-TW.ts

@@ -654,6 +654,7 @@ export default {
     'Hide indirect': '隱藏間接通知',
     'Copy note content': '複製筆記內容',
     'Video loop': '影片循環',
-    'Automatically replay videos when they end': '影片播放結束後自動重新播放'
+    'Automatically replay videos when they end': '影片播放結束後自動重新播放',
+    'Relays used for searching notes (NIP-50)': '用於搜尋筆記的伺服器 (NIP-50)'
   }
 }

src/i18n/locales/zh.ts

@@ -659,6 +659,7 @@ export default {
     'Hide indirect': '隐藏间接通知',
     'Copy note content': '复制笔记内容',
     'Video loop': '视频循环',
-    'Automatically replay videos when they end': '视频播放结束后自动重新播放'
+    'Automatically replay videos when they end': '视频播放结束后自动重新播放',
+    'Relays used for searching notes (NIP-50)': '用于搜索笔记的服务器 (NIP-50)'
   }
 }