Implement exponential backoff for WebSocket reconnection and enhance error handling in recipe management functions

web/client/src/store/inventoryStore.js

@@ -140,6 +140,7 @@ export const useInventoryStore = create((set, get) => ({
     ws.onopen = () => {
       console.log('✅ Connected to server');
       _lastWsMessage = Date.now();
+      _reconnectDelay = 1000;
       set({ connected: true, ws });
     };
 
@@ -170,9 +171,11 @@ export const useInventoryStore = create((set, get) => ({
     ws.onclose = () => {
       console.log('❌ Disconnected from server');
       set({ connected: false, ws: null });
+      const delay = _reconnectDelay;
+      _reconnectDelay = Math.min(_reconnectDelay * 2, 30000);
       setTimeout(() => {
         get().connect();
-      }, 3000);
+      }, delay);
     };
 
     ws.onerror = (error) => {
@@ -253,25 +256,29 @@ export const useInventoryStore = create((set, get) => ({
 
   enableAllRecipes: async () => {
     try {
-      await fetch(`${API_URL}/recipes/enable-all`, {
+      const response = await fetch(`${API_URL}/recipes/enable-all`, {
         method: 'POST',
         headers: authHeaders(),
         body: JSON.stringify({ commandId: newCommandId() }),
       });
+      return await response.json();
     } catch (error) {
       console.error('❌ Error enabling all recipes:', error);
+      return { success: false, error: error.message };
     }
   },
 
   disableAllRecipes: async () => {
     try {
-      await fetch(`${API_URL}/recipes/disable-all`, {
+      const response = await fetch(`${API_URL}/recipes/disable-all`, {
         method: 'POST',
         headers: authHeaders(),
         body: JSON.stringify({ commandId: newCommandId() }),
       });
+      return await response.json();
     } catch (error) {
       console.error('❌ Error disabling all recipes:', error);
+      return { success: false, error: error.message };
     }
   },