feat(companion): Add caching, redesign ui, and refactor code (calcom#25654)

Author: dhairyashiil

companion/.env.example

@@ -3,3 +3,26 @@ EXPO_PUBLIC_CALCOM_OAUTH_CLIENT_ID=your_oauth_client_id_here
 
 EXPO_PUBLIC_CALCOM_OAUTH_REDIRECT_URI=your_oauth_redirect_uri_here
 
+# ===========================================
+# CACHE CONFIGURATION (all values in MINUTES)
+# ===========================================
+
+# Default cache stale time for all queries (default: 5 minutes)
+EXPO_PUBLIC_CACHE_STALE_TIME_MINUTES=5
+
+# Garbage collection time - how long to keep unused cache (default: 1440 minutes - 24 hours)
+EXPO_PUBLIC_CACHE_GC_TIME_MINUTES=1440
+
+# Bookings cache stale time (default: 5 minutes)
+# After this time, data is considered stale and will refetch in background
+EXPO_PUBLIC_BOOKINGS_CACHE_STALE_TIME_MINUTES=5
+
+# Event Types cache stale time (default: -1 = never stale)
+# -1 means data only refreshes on mutations (create/update/delete) or manual pull-to-refresh
+EXPO_PUBLIC_EVENT_TYPES_CACHE_STALE_TIME_MINUTES=-1
+
+# Schedules (Availability) cache stale time (default: -1 = never stale)
+EXPO_PUBLIC_SCHEDULES_CACHE_STALE_TIME_MINUTES=-1
+
+# User Profile cache stale time (default: -1 = never stale)
+EXPO_PUBLIC_USER_PROFILE_CACHE_STALE_TIME_MINUTES=-1