fix: switch provider and add zukijourney textgen parameter

gen_service/main.py

@@ -80,15 +80,25 @@ Output the prompt in a txt code block.""")
 
     
 
-def _gen_text(prompt):
-    client = get_g4f_client()
-    response = client.chat.completions.create(
-            provider=g4f.Provider.PerplexityLabs,
-            model="llama-3-70b-instruct",
-            messages=[{"role": "user", "content": prompt}],
-            max_tokens=800,
-            temperature=0.7,
-        )
+
+def _gen_text(prompt, use_zukijourney=False):
+    if use_zukijourney:
+        client = get_client()
+        response = client.chat.completions.create(
+                model="llama-3-70b-instruct",
+                messages=[{"role": "user", "content": prompt}],
+                max_tokens=800,
+                temperature=0.7,
+            )
+    else:
+        client = get_g4f_client()
+        response = client.chat.completions.create(
+                provider=g4f.Provider.Llama,
+                model="llama-3-70b-instruct",
+                messages=[{"role": "user", "content": prompt}],
+                max_tokens=800,
+                temperature=0.7,
+            )
     print(response)
     text = response.choices[0].message.content
     return text