添加角球设置功能，更新状态管理和界面显示逻辑

app/profile.tsx

@@ -37,7 +37,12 @@ const BOOKMAKERS = [
 export default function ProfileScreen() {
   const { theme, toggleTheme, setTheme, isSystemTheme, useSystemTheme } =
     useTheme();
-  const { state, updateOddsSettings, updateCardsSettings } = useAppState();
+  const {
+    state,
+    updateOddsSettings,
+    updateCardsSettings,
+    updateCornerSettings,
+  } = useAppState();
   const { t, i18n } = useTranslation();
   const router = useRouter();
   const isDark = theme === "dark";
@@ -62,6 +67,13 @@ export default function ProfileScreen() {
     });
   };
 
+  const toggleCorners = () => {
+    updateCornerSettings({
+      ...state.cornerSettings,
+      enabled: !state.cornerSettings.enabled,
+    });
+  };
+
   const selectBookmaker = (name: string) => {
     const current = state.oddsSettings.selectedBookmakers;
     let next: string[];
@@ -468,6 +480,38 @@ export default function ProfileScreen() {
           </View>
         </View>
 
+        <ThemedText style={styles.sectionTitle}>
+          {t("settings.corner_title")}
+        </ThemedText>
+
+        <View
+          style={[
+            styles.section,
+            { backgroundColor: isDark ? "#1c1c1e" : "#fff" },
+          ]}
+        >
+          <View style={styles.settingItem}>
+            <View style={styles.settingLabel}>
+              <IconSymbol
+                name="flag"
+                size={20}
+                color={iconColor}
+                style={{ marginRight: 10 }}
+              />
+              <ThemedText>{t("settings.corner_show")}</ThemedText>
+            </View>
+            <View style={styles.settingControl}>
+              <TouchableOpacity onPress={toggleCorners} style={styles.button}>
+                <ThemedText>
+                  {state.cornerSettings.enabled
+                    ? t("settings.corner_enabled")
+                    : t("settings.corner_disabled")}
+                </ThemedText>
+              </TouchableOpacity>
+            </View>
+          </View>
+        </View>
+
         {/* <ThemedText style={styles.sectionTitle}>登录</ThemedText>
 
         <View