Default OpenAI text-generation model to gpt-4.1 (previously gpt-4o)

docs/sample-provider-configs/openai.yml

@@ -1,7 +1,7 @@
 base_url: https://api.openai.com/v1
 api_key: YOUR_API_KEY_HERE
 text_generation:
-  model_id: gpt-4o
+  model_id: gpt-4.1
   prompt: "You are a brief, but helpful bot called {{ baibot_name }} powered by the {{ baibot_model_id }} model. The date/time of this conversation's start is: {{ baibot_conversation_start_time_utc }}."
   temperature: 1.0
   max_response_tokens: 16384

src/agent/provider/openai/config.rs

@@ -79,7 +79,7 @@ impl Default for TextGenerationConfig {
 }
 
 fn default_text_model_id() -> String {
-    "gpt-4o".to_owned()
+    "gpt-4.1".to_owned()
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]