Initial LinkedSign platform

frontend/src/api/auth.js

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+import client from './client';
+
+export const register = (data) => client.post('/auth/register', data);
+export const login = (data) => client.post('/auth/login', data);
+export const logout = (refreshToken) => client.post('/auth/logout', { refreshToken });
+export const getMe = () => client.get('/auth/me');
+export const verifyEmail = (token) => client.get(`/auth/verify/${token}`);
+export const changePassword = (data) => client.patch('/auth/change-password', data);
+export const confirmPasswordChange = (token) => client.get(`/auth/confirm-password-change/${token}`);

frontend/src/api/certificates.js

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+import client from './client';
+
+export const uploadCertificate = (file, password, alias) => {
+  const form = new FormData();
+  form.append('file', file);
+  if (password) form.append('password', password);
+  if (alias) form.append('alias', alias);
+  return client.post('/certificates', form, { headers: { 'Content-Type': 'multipart/form-data' } });
+};
+
+export const listCertificates = () => client.get('/certificates');
+export const deleteCertificate = (id) => client.delete(`/certificates/${id}`);

frontend/src/api/client.js

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+import axios from 'axios';
+
+const API_URL = import.meta.env.VITE_API_URL || 'http://localhost:4000';
+
+const client = axios.create({
+  baseURL: API_URL,
+  headers: { 'Content-Type': 'application/json' },
+});
+
+client.interceptors.request.use((config) => {
+  const token = localStorage.getItem('accessToken');
+  if (token) config.headers.Authorization = `Bearer ${token}`;
+  return config;
+});
+
+client.interceptors.response.use(
+  (res) => res,
+  async (error) => {
+    const original = error.config;
+    if (error.response?.status === 401 && !original._retry) {
+      original._retry = true;
+      const refreshToken = localStorage.getItem('refreshToken');
+      if (refreshToken) {
+        try {
+          const { data } = await axios.post(`${API_URL}/auth/refresh`, { refreshToken });
+          const { accessToken, refreshToken: newRefresh } = data.data;
+          localStorage.setItem('accessToken', accessToken);
+          localStorage.setItem('refreshToken', newRefresh);
+          original.headers.Authorization = `Bearer ${accessToken}`;
+          return client(original);
+        } catch {
+          localStorage.removeItem('accessToken');
+          localStorage.removeItem('refreshToken');
+          window.location.href = '/login';
+        }
+      }
+    }
+    return Promise.reject(error);
+  }
+);
+
+export default client;

frontend/src/api/documents.js

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+import client from './client';
+
+export const uploadDocument = (file) => {
+  const form = new FormData();
+  form.append('file', file);
+  return client.post('/documents', form, { headers: { 'Content-Type': 'multipart/form-data' } });
+};
+
+export const listDocuments = (params) => client.get('/documents', { params });
+export const getDocument = (id) => client.get(`/documents/${id}`);
+export const deleteDocument = (id) => client.delete(`/documents/${id}`);
+export const downloadDocument = (id) => client.get(`/documents/${id}/download`, { responseType: 'blob' });

frontend/src/api/public.js

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+import axios from 'axios';
+
+const API_URL = import.meta.env.VITE_API_URL || 'http://localhost:4000';
+
+export const verifySignature = (code) => axios.get(`${API_URL}/signatures/verify/${code}`);

frontend/src/api/signatures.js

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+import client from './client';
+
+export const signDocument = (data) => client.post('/signatures/sign', data);
+export const listSignedDocuments = () => client.get('/signatures/mine');
+export const getSignatures = (documentId) => client.get(`/signatures/document/${documentId}`);
+export const downloadSigned = (sigId) => client.get(`/signatures/${sigId}/download`, { responseType: 'blob' });

frontend/src/api/users.js

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+import client from './client';
+
+export const updateSignatureAppearancePreference = (signaturePreferences) =>
+  client.patch('/users/me/preferences/signature-appearance', signaturePreferences);