fix(ui): collapse provider model pickers (#1126)

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

@@ -393,10 +393,16 @@
     <string name="model_label_available">사용 가능한 모델:</string>
     <string name="model_no_models">보고된 모델이 없거나 인증이 필요합니다.</string>
     <string name="content_desc_active_model">활성 모델</string>
+    <string name="content_desc_expand_provider">%1$s 모델 펼치기</string>
+    <string name="content_desc_collapse_provider">%1$s 모델 접기</string>
     <string name="model_section_pinned">고정된 모델</string>
     <string name="model_confirm_continue">계속</string>
     <string name="content_desc_unpin_model">모델 고정 해제</string>
     <string name="content_desc_pinned_section_toggle">고정 섹션 표시 전환</string>
+    <plurals name="model_provider_count">
+        <item quantity="one">%1$d개 모델</item>
+        <item quantity="other">%1$d개 모델</item>
+    </plurals>
 
     <!-- Sessions (History) Screen -->
     <string name="history_empty_title">히스토리 없음</string>