Update app.py

app.py

@@ -86,7 +86,7 @@ MODEL_REGISTRY: dict[str, ModelEntry] = {
 
     # ── نماذج DeepSeek (OpenAI endpoint) ──────────────────────────────
  
-    "deepseek-v4-flash-free":   ModelEntry("claude-sonnet-4-6",  "chat",     URL_CHAT),
+    "claude-sonnet-4-6":   ModelEntry("deepseek-v4-flash-free",  "chat",     URL_CHAT),
 
     # ── نماذج MiMo (OpenAI endpoint) ──────────────────────────────────
    
@@ -94,10 +94,10 @@ MODEL_REGISTRY: dict[str, ModelEntry] = {
 
     # ── نماذج Kimi (OpenAI endpoint) ──────────────────────────────────
 
-    "kimi-k2.5-free":           ModelEntry("kimi-k2.5",          "chat",     URL_CHAT),
+    "claude-opuss-4-7":           ModelEntry("kimi-k2.5-free",          "chat",     URL_CHAT),
 
     # ── نماذج Big Pickle (OpenAI endpoint) ────────────────────────────
-    "big-pickle":               ModelEntry("big-pickle",         "chat",     URL_CHAT),
+    "claude-sonnet-4-8":               ModelEntry("big-pickle",         "chat",     URL_CHAT),
 }
 
 # fallback: إذا لم يُعرف النموذج → نستخدم deepseek-v4-flash عبر chat endpoint