diff --git a/apps/frontend/src/renderer/stores/github/investigation-store.ts b/apps/frontend/src/renderer/stores/github/investigation-store.ts
index 0a0a0158..c7fcd969 100644
--- a/apps/frontend/src/renderer/stores/github/investigation-store.ts
+++ b/apps/frontend/src/renderer/stores/github/investigation-store.ts
@@ -107,6 +107,9 @@ interface InvestigationStoreState {
 // Store Implementation
 // ============================================
 
+// TODO: Optimize with immer middleware to avoid spreading entire state object
+// This requires updating all state setters to use draft pattern
+// See: https://github.com/pmndrs/zustand#immer-middleware
 export const useInvestigationStore = create<InvestigationStoreState>((set, get) => ({
   // Initial state
   investigations: {},