双端适配，web端的修改父容器和接口

src/components/call/CallScreen.web.tsx

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+import React from 'react';
+import {
+  View,
+  Text,
+  StyleSheet,
+  TouchableOpacity,
+  StatusBar,
+} from 'react-native';
+import { MaterialCommunityIcons } from '@expo/vector-icons';
+import { callStore } from '../../stores/callStore';
+
+const formatDuration = (seconds: number): string => {
+  const mins = Math.floor(seconds / 60);
+  const secs = seconds % 60;
+  return `${mins.toString().padStart(2, '0')}:${secs.toString().padStart(2, '0')}`;
+};
+
+const CallScreen: React.FC = () => {
+  const currentCall = callStore((s) => s.currentCall);
+  const callDuration = callStore((s) => s.callDuration);
+  const endCall = callStore((s) => s.endCall);
+  const isMinimized = callStore((s) => s.isMinimized);
+
+  // Don't render full screen when minimized or no call
+  if (!currentCall || isMinimized) return null;
+
+  const getStatusText = (): string => {
+    switch (currentCall.status) {
+      case 'ringing':
+        return '通话功能暂不支持网页端';
+      case 'connecting':
+        return '通话功能暂不支持网页端';
+      case 'connected':
+        return '通话功能暂不支持网页端';
+      case 'ending':
+        return '通话已结束';
+      default:
+        return '';
+    }
+  };
+
+  const handleEndCall = () => {
+    endCall('hangup');
+  };
+
+  return (
+    <View style={styles.container}>
+      <StatusBar barStyle="light-content" backgroundColor="transparent" translucent />
+
+      {/* Background - single consistent color */}
+      <View style={styles.background} />
+
+      {/* Center: Peer info */}
+      <View style={styles.centerArea}>
+        <View style={styles.avatarOuter}>
+          <View style={[styles.avatar, styles.avatarPlaceholder]}>
+            <MaterialCommunityIcons name="web-off" size={50} color="#fff" />
+          </View>
+        </View>
+        <Text style={styles.peerName} numberOfLines={1}>
+          {currentCall.peerName || '未知用户'}
+        </Text>
+        <Text style={styles.status}>{getStatusText()}</Text>
+      </View>
+
+      {/* Bottom controls */}
+      <View style={styles.controls}>
+        {/* End call - prominent red button */}
+        <TouchableOpacity
+          style={styles.endCallButton}
+          onPress={handleEndCall}
+          activeOpacity={0.8}
+        >
+          <View style={styles.endCallCircle}>
+            <MaterialCommunityIcons name="phone-hangup" size={32} color="#fff" />
+          </View>
+          <Text style={styles.endCallLabel}>关闭</Text>
+        </TouchableOpacity>
+      </View>
+    </View>
+  );
+};
+
+const END_CALL_SIZE = 64;
+
+const styles = StyleSheet.create({
+  container: {
+    ...StyleSheet.absoluteFillObject,
+    backgroundColor: '#1A1A2E',
+    zIndex: 9999,
+  },
+  background: {
+    ...StyleSheet.absoluteFillObject,
+    backgroundColor: '#1A1A2E',
+  },
+  centerArea: {
+    position: 'absolute',
+    top: '28%',
+    left: 0,
+    right: 0,
+    alignItems: 'center',
+    paddingHorizontal: 30,
+  },
+  avatarOuter: {
+    marginBottom: 16,
+  },
+  avatar: {
+    width: 100,
+    height: 100,
+    borderRadius: 50,
+    backgroundColor: '#3A3A5C',
+  },
+  avatarPlaceholder: {
+    justifyContent: 'center',
+    alignItems: 'center',
+  },
+  avatarText: {
+    fontSize: 40,
+    color: '#fff',
+    fontWeight: '600',
+  },
+  peerName: {
+    fontSize: 22,
+    fontWeight: '600',
+    color: '#FFFFFF',
+    marginBottom: 6,
+    textAlign: 'center',
+    maxWidth: 280,
+  },
+  status: {
+    fontSize: 14,
+    color: 'rgba(255, 255, 255, 0.5)',
+    letterSpacing: 0.3,
+  },
+  controls: {
+    position: 'absolute',
+    bottom: 60,
+    left: 0,
+    right: 0,
+    alignItems: 'center',
+  },
+  endCallButton: {
+    alignItems: 'center',
+  },
+  endCallCircle: {
+    width: END_CALL_SIZE,
+    height: END_CALL_SIZE,
+    borderRadius: END_CALL_SIZE / 2,
+    backgroundColor: '#E54D42',
+    justifyContent: 'center',
+    alignItems: 'center',
+  },
+  endCallLabel: {
+    fontSize: 11,
+    color: 'rgba(255, 255, 255, 0.55)',
+    marginTop: 8,
+  },
+});
+
+export default CallScreen;