Update app/.pyfun

app/.pyfun

@@ -83,8 +83,8 @@ SEARCH_TIMEOUT_SEC      = "30"
   active              = "true"
   base_url            = "https://openrouter.ai/api/v1"
   env_key             = "OPENROUTER_API_KEY"      # → .env: OPENROUTER_API_KEY=sk-or-...
-  default_model       = "cognitivecomputations/dolphin-mistral-24b-venice-edition:free"
-  models              = "openai/gpt-4o, meta-llama/llama-3-8b-instruct, mistralai/mistral-7b-instruct, cognitivecomputations/dolphin-mistral-24b-venice-edition:free, deepseek/deepseek-chat-v3.1:free, nvidia/nemotron-nano-9b-v2:free, google/gemma-3-27b-it:free, openai/gpt-oss-20b:free, qwen/qwen3-coder:free, qwen/qwen2.5-vl-72b-instruct:free, nousresearch/deephermes-3-llama-3-8b-preview:free, mistralai/Mistral-7B-Instruct-v0.3, meta-llama/Llama-3.3-70B-Instruct"
+  default_model       = "nvidia/nemotron-nano-9b-v2:free"
+  models              = "meta-llama/llama-3-8b-instruct, mistralai/mistral-7b-instruct, nvidia/nemotron-nano-9b-v2:free, google/gemma-3-27b-it:free, openai/gpt-oss-20b:free, mistralai/Mistral-7B-Instruct-v0.3, meta-llama/Llama-3.3-70B-Instruct"
   fallback_to         = "huggingface"                        
   [LLM_PROVIDER.openrouter_END]