feat: Sprint 0 — project scaffold, DB schema, Zustand stores, base UI components

components/ui/Input.tsx

@@ -0,0 +1,22 @@
+import { View, Text, TextInput, TextInputProps } from 'react-native';
+
+interface InputProps extends TextInputProps {
+  label?: string;
+  error?: string;
+}
+
+export function Input({ label, error, ...props }: InputProps) {
+  return (
+    <View className="mb-4">
+      {label && <Text className="text-charcoal font-medium mb-1">{label}</Text>}
+      <TextInput
+        className={`border rounded-xl px-4 py-3 text-charcoal bg-white ${
+          error ? 'border-danger' : 'border-gray-200'
+        }`}
+        placeholderTextColor="#9CA3AF"
+        {...props}
+      />
+      {error && <Text className="text-danger text-sm mt-1">{error}</Text>}
+    </View>
+  );
+}