refactor using Cursor

frontend/src/services/api.js

@@ -0,0 +1,75 @@
+const API_BASE_URL = 'http://127.0.0.1:8000';
+
+class ApiError extends Error {
+    constructor(message, status) {
+        super(message);
+        this.status = status;
+        this.name = 'ApiError';
+    }
+}
+
+async function handleResponse(response) {
+    if (!response.ok) {
+        const errorData = await response.json().catch(() => ({}));
+        throw new ApiError(
+            errorData.message || 'An error occurred',
+            response.status
+        );
+    }
+    return response.json();
+}
+
+export const apiService = {
+    async getConversationHistory() {
+        try {
+            const res = await fetch(`${API_BASE_URL}/get-conversation-history`);
+            return handleResponse(res);
+        } catch (error) {
+            throw new ApiError(
+                'Failed to fetch conversation history',
+                error.status || 500
+            );
+        }
+    },
+
+    async sendMessage(message) {
+        if (!message?.trim()) {
+            throw new ApiError('Message cannot be empty', 400);
+        }
+
+        try {
+            const res = await fetch(
+                `${API_BASE_URL}/send-prompt?prompt=${encodeURIComponent(message)}`,
+                { 
+                    method: 'POST',
+                    headers: {
+                        'Content-Type': 'application/json'
+                    }
+                }
+            );
+            return handleResponse(res);
+        } catch (error) {
+            throw new ApiError(
+                'Failed to send message',
+                error.status || 500
+            );
+        }
+    },
+
+    async confirm() {
+        try {
+            const res = await fetch(`${API_BASE_URL}/confirm`, { 
+                method: 'POST',
+                headers: {
+                    'Content-Type': 'application/json'
+                }
+            });
+            return handleResponse(res);
+        } catch (error) {
+            throw new ApiError(
+                'Failed to confirm action',
+                error.status || 500
+            );
+        }
+    }
+};