fix ki modell

backend/services/ai.js

@@ -1,11 +1,25 @@
 import { SYSTEM_PROMPT } from '../prompts/extractRecipe.js';
 
-const OLLAMA_URL = process.env.OLLAMA_URL || 'http://localhost:11434';
-const MODEL = process.env.OLLAMA_MODEL || 'mistral';
+const GROQ_API_KEY = process.env.GROQ_API_KEY;
+const GROQ_MODEL = process.env.GROQ_MODEL || 'llama-3.1-8b-instant';
+const GROQ_URL = 'https://api.groq.com/openai/v1/chat/completions';
 
-export async function isOllamaAvailable() {
+export async function isAiAvailable() {
+  if (!GROQ_API_KEY) return false;
   try {
-    const res = await fetch(`${OLLAMA_URL}/api/tags`, { signal: AbortSignal.timeout(3000) });
+    const res = await fetch(GROQ_URL, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+        'Authorization': `Bearer ${GROQ_API_KEY}`,
+      },
+      body: JSON.stringify({
+        model: GROQ_MODEL,
+        messages: [{ role: 'user', content: 'ping' }],
+        max_tokens: 1,
+      }),
+      signal: AbortSignal.timeout(10000),
+    });
     return res.ok;
   } catch {
     return false;
@@ -13,28 +27,31 @@ export async function isOllamaAvailable() {
 }
 
 export async function extractRecipe(description) {
-  const response = await fetch(`${OLLAMA_URL}/api/generate`, {
+  const response = await fetch(GROQ_URL, {
     method: 'POST',
-    headers: { 'Content-Type': 'application/json' },
+    headers: {
+      'Content-Type': 'application/json',
+      'Authorization': `Bearer ${GROQ_API_KEY}`,
+    },
     body: JSON.stringify({
-      model: MODEL,
-      system: SYSTEM_PROMPT,
-      prompt: `Extrahiere ein Rezept aus dieser TikTok-Videobeschreibung:\n\n${description}`,
-      stream: false,
-      options: {
-        num_ctx: 2048,
-        temperature: 0.1,
-      },
+      model: GROQ_MODEL,
+      messages: [
+        { role: 'system', content: SYSTEM_PROMPT },
+        { role: 'user', content: `Extrahiere ein Rezept aus dieser TikTok-Videobeschreibung:\n\n${description}` },
+      ],
+      temperature: 0.1,
+      max_tokens: 2048,
     }),
-    signal: AbortSignal.timeout(240000),
+    signal: AbortSignal.timeout(30000),
   });
 
   if (!response.ok) {
-    throw new Error(`Ollama Fehler: ${response.status}`);
+    const err = await response.text();
+    throw new Error(`Groq Fehler: ${response.status} - ${err}`);
   }
 
   const data = await response.json();
-  let text = data.response.trim();
+  let text = data.choices[0].message.content.trim();
 
   if (text.startsWith('```')) {
     text = text.replace(/^```(?:json)?\n?/, '').replace(/\n?```$/, '');