batch corrections

- PostCard: fix post.status → post.state (all posts showed Draft)
- compose: remove expo-file-system File import (not installed, Expo 54 incompatible)
- compose: fix native FormData upload pattern for React Native
- compose: add missing Bearer prefix on upload Authorization header
- posts: memoize date range and include in query key to avoid stale closures

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

artifacts/postiz-mobile/app/(tabs)/compose.tsx

@@ -4,7 +4,6 @@ import DateTimePicker from "@react-native-community/datetimepicker";
 import * as Haptics from "expo-haptics";
 import { Image } from "expo-image";
 import * as ImagePicker from "expo-image-picker";
-import { File } from "expo-file-system";
 import { fetch as expoFetch } from "expo/fetch";
 import React, { useState } from "react";
 import {
@@ -88,12 +87,15 @@ export default function ComposeScreen() {
         const blob = await response.blob();
         formData.append("file", blob, "upload.jpg");
       } else {
-        const file = new File(imageUri);
-        formData.append("file", file as unknown as Blob);
+        formData.append("file", {
+          uri: imageUri,
+          name: "upload.jpg",
+          type: "image/jpeg",
+        } as unknown as Blob);
       }
       const uploadRes = await expoFetch(`${baseUrl}/upload`, {
         method: "POST",
-        headers: { Authorization: apiKey },
+        headers: { Authorization: `Bearer ${apiKey}` },
         body: formData,
       });
       const data = await uploadRes.json() as PostizUploadResult;