diff --git a/src/plugin-state.ts b/src/plugin-state.ts
index 5f20c0233..e4f3a0afa 100644
--- a/src/plugin-state.ts
+++ b/src/plugin-state.ts
@@ -1,11 +1,18 @@
+export type VisionCapableModel = {
+  providerID: string
+  modelID: string
+}
+
 export interface ModelCacheState {
   modelContextLimitsCache: Map<string, number>;
+  visionCapableModelsCache?: Map<string, VisionCapableModel>;
   anthropicContext1MEnabled: boolean;
 }
 
 export function createModelCacheState(): ModelCacheState {
   return {
     modelContextLimitsCache: new Map<string, number>(),
+    visionCapableModelsCache: new Map<string, VisionCapableModel>(),
     anthropicContext1MEnabled: false,
   };
 }