feat: gate chat send until session fully resumed (#1187)

app/src/main/res/values-ar/strings.xml

@@ -1475,4 +1475,6 @@
     <string name="session_integrations_retry">إعادة المحاولة</string>
     <string name="session_integrations_close">إغلاق</string>
     <string name="session_integrations_menu_item">تكاملات الجلسة</string>
+    <string name="chat_session_preparing">جارٍ تجهيز الجلسة…</string>
+    <string name="chat_session_not_ready">الجلسة غير جاهزة — أعد المحاولة للمتابعة</string>
 </resources>

app/src/main/res/values-ko/strings.xml

@@ -1159,4 +1159,6 @@
     <string name="session_integrations_retry">다시 시도</string>
     <string name="session_integrations_close">닫기</string>
     <string name="session_integrations_menu_item">세션 연동</string>
+    <string name="chat_session_preparing">세션 준비 중…</string>
+    <string name="chat_session_not_ready">세션이 준비되지 않았습니다. 다시 시도하세요</string>
 </resources>

app/src/main/res/values-zh/strings.xml

@@ -1428,4 +1428,6 @@
     <string name="session_integrations_retry">重试</string>
     <string name="session_integrations_close">关闭</string>
     <string name="session_integrations_menu_item">会话集成</string>
+    <string name="chat_session_preparing">正在准备会话…</string>
+    <string name="chat_session_not_ready">会话未就绪，请重试以继续</string>
 </resources>

app/src/main/res/values/strings.xml

@@ -1642,4 +1642,6 @@
     <string name="session_integrations_retry">Retry</string>
     <string name="session_integrations_close">Close</string>
     <string name="session_integrations_menu_item">Session Integrations</string>
+    <string name="chat_session_preparing">Preparing session…</string>
+    <string name="chat_session_not_ready">Session not ready — retry to continue</string>
 </resources>