Fix profile API endpoint URLs

- Remove /api prefix from profile endpoints since API_BASE_URL already includes it
- Fixes /api/api/profile 404 error

web/app.js

@@ -1576,7 +1576,7 @@ let profileData = null;
  */
 async function getProfile() {
     try {
-        const response = await apiRequest('/api/profile');
+        const response = await apiRequest('/profile');
         if (response.success) {
             profileData = response.profile;
             updateProfileDisplay();
@@ -1639,7 +1639,7 @@ function updateProfileDisplay() {
  */
 async function changePassword(currentPassword, newPassword) {
     try {
-        const response = await apiRequest('/api/profile/password', 'POST', {
+        const response = await apiRequest('/profile/password', 'POST', {
             current_password: currentPassword,
             new_password: newPassword
         });
@@ -1663,7 +1663,7 @@ async function changePassword(currentPassword, newPassword) {
  */
 async function requestEmailChange(newEmail) {
     try {
-        const response = await apiRequest('/api/profile/email', 'POST', {
+        const response = await apiRequest('/profile/email', 'POST', {
             new_email: newEmail
         });
         
@@ -1686,7 +1686,7 @@ async function requestEmailChange(newEmail) {
  */
 async function verifyEmailChange(token) {
     try {
-        const response = await apiRequest('/api/profile/email/verify', 'POST', {
+        const response = await apiRequest('/profile/email/verify', 'POST', {
             token: token
         });
         
@@ -1718,7 +1718,7 @@ async function updateAvatar(avatarData = null, avatarUrl = null) {
             payload.avatar_url = avatarUrl;
         }
         
-        const response = await apiRequest('/api/profile/avatar', 'POST', payload);
+        const response = await apiRequest('/profile/avatar', 'POST', payload);
         
         if (response.success) {
             if (profileData) {