Add GPT-5.4 to OpenAI plugin (#1104)

Author: Topherhindman

plugins/openai/src/models.ts

@@ -3,6 +3,11 @@
 // SPDX-License-Identifier: Apache-2.0
 
 export type ChatModels =
+  | 'gpt-5.4'
+  | 'gpt-5.2'
+  | 'gpt-5.2-chat-latest'
+  | 'gpt-5.1'
+  | 'gpt-5.1-chat-latest'
   | 'gpt-5'
   | 'gpt-5-mini'
   | 'gpt-5-nano'
@@ -210,5 +215,14 @@ export type MetaChatModels =
   | 'Llama-3.3-8B-Instruct';
 
 export function supportsReasoningEffort(model: ChatModels | string): boolean {
-  return model === 'gpt-5' || model === 'gpt-5-mini' || model === 'gpt-5-nano';
+  return [
+    'gpt-5.4',
+    'gpt-5.2',
+    'gpt-5.2-chat-latest',
+    'gpt-5.1',
+    'gpt-5.1-chat-latest',
+    'gpt-5',
+    'gpt-5-mini',
+    'gpt-5-nano',
+  ].includes(model);
 }