fix: restore _locales key names, remove orphan pt/ dir, fix locale typos

- _locales/es, pt_BR: renamed appDescription → appDesc (Chrome matches by key name)
- _locales/es, pt_BR: removed extra key contextMenu_syncVideo not in baseline
- _locales/pt_PT: merged Kaia's improved translation, deleted orphan pt/ duplicate
- locales/ko: fixed BTN_REFRESH (Refreschi → 새로고침) and STATUS_CONNECTING corrupted char
- locales/ja: fixed Korean character (의 → の) in LABEL_PUBLIC_ROOMS_TOOLTIP
- locales/nl: fixed typo cmmuniceren → communiceren

extension/_locales/es/messages.json

@@ -2,10 +2,7 @@
   "appName": {
     "message": "KoalaSync"
   },
-  "appDescription": {
+  "appDesc": {
     "message": "Mira videos junto a tus amigos en perfecta sincronización. Compatible con Netflix, YouTube, Twitch, Prime Video, Disney+ y cualquier reproductor HTML5."
-  },
-  "contextMenu_syncVideo": {
-    "message": "Sincronizar este video con KoalaSync"
   }
 }

extension/_locales/pt/messages.json

@@ -1,11 +0,0 @@
-{
-  "appName": {
-    "message": "KoalaSync"
-  },
-  "appDescription": {
-    "message": "Veja vídeos em conjunto com os seus amigos em sincronia perfeita. Compatível com Netflix, YouTube, Twitch, Prime Video, Disney+ e qualquer leitor HTML5."
-  },
-  "contextMenu_syncVideo": {
-    "message": "Sincronizar este vídeo com KoalaSync"
-  }
-}

extension/_locales/pt_BR/messages.json

@@ -2,10 +2,7 @@
   "appName": {
     "message": "KoalaSync"
   },
-  "appDescription": {
+  "appDesc": {
     "message": "Assista a vídeos junto com seus amigos em sincronia perfeita. Compatível com Netflix, YouTube, Twitch, Prime Video, Disney+ e qualquer player HTML5."
-  },
-  "contextMenu_syncVideo": {
-    "message": "Sincronizar este vídeo com KoalaSync"
   }
 }

extension/_locales/pt_PT/messages.json

@@ -3,6 +3,6 @@
     "message": "KoalaSync"
   },
   "appDesc": {
-    "message": "Sincronize a reprodução de vídeo no YouTube, Netflix, Emby, Jellyfin e qualquer site HTML5 em tempo real com amigos."
+    "message": "Veja vídeos em conjunto com os seus amigos em sincronia perfeita. Compatível com Netflix, YouTube, Twitch, Prime Video, Disney+ e qualquer leitor HTML5."
   }
 }

extension/locales/ja.json

@@ -29,7 +29,7 @@
   "BTN_JOIN_ROOM": "ルームに参加 / 作成",
   "BTN_JOIN_ROOM_TOOLTIP": "ルームに接続",
   "LABEL_PUBLIC_ROOMS": "公開ルーム",
-  "LABEL_PUBLIC_ROOMS_TOOLTIP": "このサーバー上の公開ルーム의リスト",
+  "LABEL_PUBLIC_ROOMS_TOOLTIP": "このサーバー上の公開ルームのリスト",
   "BTN_REFRESH": "更新",
   "BTN_REFRESH_TOOLTIP": "公開ルームのリストを更新",
   "PUBLIC_ROOMS_REFRESHING": "更新中...",

extension/locales/ko.json

@@ -30,7 +30,7 @@
   "BTN_JOIN_ROOM_TOOLTIP": "방에 연결",
   "LABEL_PUBLIC_ROOMS": "공개 방",
   "LABEL_PUBLIC_ROOMS_TOOLTIP": "이 서버의 공개 방 목록",
-  "BTN_REFRESH": "Refreschi",
+  "BTN_REFRESH": "새로고침",
   "BTN_REFRESH_TOOLTIP": "공개 방 목록 새로고침",
   "PUBLIC_ROOMS_REFRESHING": "새로고침 중...",
   "BTN_REFRESH_COOLDOWN": "{seconds}초 대기",
@@ -140,7 +140,7 @@
   "TOAST_PEER_ACTION": "{name} 님이 {action}",
   "STATUS_CONNECTED": "연결됨",
   "STATUS_RECONNECTING": "재연결 중...",
-  "STATUS_CONNECTING": "연kel 중...",
+  "STATUS_CONNECTING": "연결 중...",
   "STATUS_FAILED": "실패",
   "STATUS_DISCONNECTED": "연결 끊김",
   "BTN_STATE_JOINING": "🚀 참여 중...",

extension/locales/nl.json

@@ -156,7 +156,7 @@
   "NOTIF_FORCE_PREPARE": "is een geforceerde sync gestart",
   "NOTIF_FORCE_EXECUTE": "heeft iedereen gesynchroniseerd",
   "DEBUG_NO_TAB": "Geen doeltabblad geselecteerd.",
-  "DEBUG_COMM_FAIL": "Kon niet cmmuniceren met de videotab.",
+  "DEBUG_COMM_FAIL": "Kon niet communiceren met de videotab.",
   "EMPTY_PEERS_TITLE": "Nog geen deelnemers",
   "EMPTY_PEERS_HINT": "Deel uw uitnodigingslink om te beginnen",
   "EMPTY_HISTORY_TITLE": "Nog geen activiteit",