Added Calendar viewer and Environment overview with AI, Health overviewer

frontend/src/hooks/useWellnessState.tsx

@@ -0,0 +1,40 @@
+import { createContext, useContext, useState, ReactNode } from 'react'
+
+interface WellnessState {
+  healthDeviceId: string | null
+  city: string
+  setHealthDeviceId: (id: string | null) => void
+  setCity: (city: string) => void
+}
+
+const WellnessStateContext = createContext<WellnessState | undefined>(undefined)
+
+export function WellnessStateProvider({ children }: { children: ReactNode }) {
+  const [healthDeviceId, setHealthDeviceId] = useState<string | null>(null)
+  const [city, setCity] = useState<string>('Skopje')
+
+  return (
+    <WellnessStateContext.Provider
+      value={{
+        healthDeviceId,
+        city,
+        setHealthDeviceId,
+        setCity,
+      }}
+    >
+      {children}
+    </WellnessStateContext.Provider>
+  )
+}
+
+export function useWellnessState() {
+  const context = useContext(WellnessStateContext)
+  if (context === undefined) {
+    throw new Error('useWellnessState must be used within WellnessStateProvider')
+  }
+  return context
+}
+
+
+
+