feat(ai): Add gpt-5-chat-latest model to generated models

- Added hardcoded gpt-5-chat-latest model since it's not in models.dev yet
- Model has image input support and proper pricing configuration

packages/agent/package-lock.json

@@ -1,12 +1,12 @@
 {
 	"name": "@mariozechner/pi-agent",
-	"version": "0.5.25",
+	"version": "0.5.26",
 	"lockfileVersion": 3,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "@mariozechner/pi-agent",
-			"version": "0.5.25",
+			"version": "0.5.26",
 			"license": "MIT",
 			"dependencies": {
 				"@mariozechner/tui": "^0.1.1",