feat(models): add Ring 2.6 1T (free) to recommended models above Step 3.5 Flash (#3142)

Author: kilo-code-bot[bot]

apps/web/src/lib/ai-gateway/models.ts

@@ -40,6 +40,7 @@ export const PRIMARY_DEFAULT_MODEL = CLAUDE_SONNET_CURRENT_MODEL_ID;
 export const autoFreeModels = [
   'nvidia/nemotron-3-super-120b-a12b:free',
   'poolside/laguna-m.1:free',
+  'inclusionai/ring-2.6-1t:free',
   stepfun_35_flash_free_model.status === 'public' ? stepfun_35_flash_free_model.public_id : null,
 ].filter(m => m !== null);