Add initial JSON data files and implement core page components for game functionality

app/Screens/ManagePrivateSubtaskPage.jsx

@@ -0,0 +1,100 @@
+import React, { useState } from 'react';
+import { View, Text, TextInput, Pressable, StyleSheet } from 'react-native';
+import { useNavigation } from '@react-navigation/native';
+import useManagePrivateSubtaskViewModel from '../ViewModel/useManagePrivateSubtaskViewModel';
+
+const ManagePrivateSubtaskPage = () => {
+  const navigation = useNavigation();
+  const {
+    businessOrSchoolName,
+    error,
+    setBusinessOrSchoolName,
+    createNewPrivateGame,
+    joinAdminForPrivate,
+  } = useManagePrivateSubtaskViewModel();
+  const [submitting, setSubmitting] = useState(false);
+
+  const handleCreate = async () => {
+    setSubmitting(true);
+    const group = await createNewPrivateGame();
+    setSubmitting(false);
+    if (!group) {
+      return;
+    }
+    navigation.navigate('admin-hub');
+  };
+
+  const handleJoinAdmin = async () => {
+    setSubmitting(true);
+    const response = await joinAdminForPrivate();
+    setSubmitting(false);
+    if (!response) {
+      return;
+    }
+    navigation.navigate('admin-hub');
+  };
+
+  return (
+    <View style={styles.container}>
+      <Text style={styles.title}>Manage Private Game</Text>
+      <TextInput
+        style={styles.input}
+        placeholder="Business/School Name"
+        value={businessOrSchoolName}
+        onChangeText={setBusinessOrSchoolName}
+      />
+      <Pressable style={styles.primaryButton} onPress={handleCreate}>
+        <Text style={styles.buttonText}>{submitting ? 'Please wait...' : 'Create New Private Game'}</Text>
+      </Pressable>
+      <Pressable style={styles.secondaryButton} onPress={handleJoinAdmin}>
+        <Text style={styles.buttonText}>Join as Admin for Private Game</Text>
+      </Pressable>
+      {!!error && <Text style={styles.errorText}>{error}</Text>}
+    </View>
+  );
+};
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    justifyContent: 'center',
+    gap: 12,
+    padding: 20,
+    backgroundColor: '#ffffff',
+  },
+  title: {
+    fontSize: 26,
+    fontWeight: '700',
+    color: '#111827',
+    marginBottom: 8,
+  },
+  input: {
+    borderWidth: 1,
+    borderColor: '#d1d5db',
+    borderRadius: 8,
+    paddingHorizontal: 12,
+    paddingVertical: 10,
+  },
+  primaryButton: {
+    backgroundColor: '#2563eb',
+    borderRadius: 8,
+    alignItems: 'center',
+    paddingVertical: 12,
+  },
+  secondaryButton: {
+    backgroundColor: '#4b5563',
+    borderRadius: 8,
+    alignItems: 'center',
+    paddingVertical: 12,
+  },
+  buttonText: {
+    color: '#ffffff',
+    fontWeight: '600',
+  },
+  errorText: {
+    color: '#dc2626',
+  },
+});
+
+export default ManagePrivateSubtaskPage;
+