Added pre-travel screen; added country polygons for maps

electron/preload/index.js

@@ -16,6 +16,10 @@ const ALLOWED_SEND_CHANNELS = [
   'schedule:fetch',
   'app:ready',
   'pb:fetch-entries',
+  'pb:create-entry',
+  'pb:update-entry',
+  'pb:delete-entry',
+  'pb:fetch-vaccines',
 ]
 
 const ALLOWED_RECEIVE_CHANNELS = [
@@ -24,6 +28,10 @@ const ALLOWED_RECEIVE_CHANNELS = [
   'schedule:response',
   'app:get-version',
   'pb:fetch-entries',
+  'pb:create-entry',
+  'pb:update-entry',
+  'pb:delete-entry',
+  'pb:fetch-vaccines',
 ]
 
 // ─── Exposed API ──────────────────────────────────────────────────────────
@@ -33,6 +41,10 @@ contextBridge.exposeInMainWorld('api', {
    */
   pb: {
     fetchEntries: () => ipcRenderer.invoke('pb:fetch-entries'),
+    createEntry: (trip) => ipcRenderer.invoke('pb:create-entry', trip),
+    updateEntry: (id, trip) => ipcRenderer.invoke('pb:update-entry', id, trip),
+    deleteEntry: (id) => ipcRenderer.invoke('pb:delete-entry', id),
+    fetchVaccines: () => ipcRenderer.invoke('pb:fetch-vaccines'),
   },
 
   /**