VITE_BACKEND_URL entfernt

math-tutor/README.md

@@ -72,11 +72,8 @@ Optional in `math-tutor/frontend/.env`:
 
 ```env
 VITE_PROXY_TARGET="http://<BACKEND_HOST>:8000"
-VITE_BACKEND_URL=""
 ```
 
-`VITE_BACKEND_URL=""` keeps requests relative so they use the proxy. If you set `VITE_BACKEND_URL` to a full URL, requests bypass the proxy and CORS must be configured accordingly.
-
 ## Docker Compose (Production-style)
 
 Template files:

math-tutor/frontend/.env-Example

-VITE_BACKEND_URL=""
\ No newline at end of file
+VITE_FRONTEND_LANG="de"

math-tutor/frontend/src/pages/App.tsx

@@ -8,9 +8,6 @@ import type { ChatMessage } from "../components/Chat/MessageList";
 import type { RetrievedDoc } from "../components/Retrieval/DocPanel";
 import { t } from "../i18n";
 
-// Empty fallback uses Vite proxy (/api -> backend target) in development.
-const backendUrl = import.meta.env.VITE_BACKEND_URL || "";
-
 const initialMessages: ChatMessage[] = [];
 
 type ArchivedChatSummary = {
@@ -245,7 +242,7 @@ export default function App() {
     const loadTasks = async () => {
       setTasksError(null);
       try {
-        const response = await fetch(`${backendUrl}/api/tasks`);
+        const response = await fetch(`/api/tasks`);
         if (!response.ok) {
           throw new Error(`Tasks failed: ${response.status}`);
         }
@@ -317,7 +314,7 @@ export default function App() {
 
     const syncTaskSelection = async () => {
       try {
-        await fetch(`${backendUrl}/api/tasks/select`, {
+        await fetch(`/api/tasks/select`, {
           method: "POST",
           headers: { "Content-Type": "application/json" },
           body: JSON.stringify({
@@ -371,7 +368,7 @@ export default function App() {
         };
       }
 
-      const response = await fetch(`${backendUrl}/api/chat`, {
+      const response = await fetch(`/api/chat`, {
         method: "POST",
         headers: { "Content-Type": "application/json" },
         body: JSON.stringify(chatPayload),
@@ -409,7 +406,7 @@ export default function App() {
     }
 
     try {
-      const contextResponse = await fetch(`${backendUrl}/api/context/retrieval`, {
+      const contextResponse = await fetch(`/api/context/retrieval`, {
         method: "POST",
         headers: { "Content-Type": "application/json" },
         body: JSON.stringify({
@@ -514,9 +511,7 @@ export default function App() {
   const loadArchives = async () => {
     setArchiveError(null);
     try {
-      const response = await fetch(
-        `${backendUrl}/api/chat/archives?limit=50`
-      );
+      const response = await fetch(`/api/chat/archives?limit=50`);
       if (!response.ok) {
         throw new Error(`Archive list failed: ${response.status}`);
       }
@@ -538,9 +533,7 @@ export default function App() {
     }
     setArchiveError(null);
     try {
-      const response = await fetch(
-        `${backendUrl}/api/chat/archive/${targetId}`
-      );
+      const response = await fetch(`/api/chat/archive/${targetId}`);
       if (!response.ok) {
         throw new Error(`Archive load failed: ${response.status}`);
       }
@@ -558,7 +551,7 @@ export default function App() {
     if (messages.length) {
       setIsArchiving(true);
       try {
-        await fetch(`${backendUrl}/api/chat/archive`, {
+        await fetch(`/api/chat/archive`, {
           method: "POST",
           headers: { "Content-Type": "application/json" },
           body: JSON.stringify({
@@ -593,7 +586,7 @@ export default function App() {
     });
 
     try {
-      const response = await fetch(`${backendUrl}/api/canvas/save`, {
+      const response = await fetch(`/api/canvas/save`, {
         method: "POST",
         headers: { "Content-Type": "application/json" },
         body: JSON.stringify({ data_url: dataUrl, filename_hint: "canvas" }),