fix: use cleaner model display names

Author: aidandaly24

src/schema/constants.ts

@@ -18,8 +18,8 @@ export type ModelProvider = z.infer<typeof ModelProviderSchema>;
  * These are the models generated in agent templates.
  */
 export const DEFAULT_MODEL_IDS: Record<ModelProvider, string> = {
-  Bedrock: 'us.anthropic.claude-sonnet-4-5-20250514-v1:0',
-  Anthropic: 'claude-sonnet-4-5-20250514',
+  Bedrock: 'claude-sonnet-4-5',
+  Anthropic: 'claude-sonnet-4-5',
   OpenAI: 'gpt-4.1',
   Gemini: 'gemini-2.5-flash',
 };