Polish Live Activity branding and add EAS build config.

Use brand mark and wordmark images in the time clock Live Activity, migrate file copies to the modern expo-file-system File API, and add eas.json for TestFlight production builds.

Co-authored-by: Cursor <cursoragent@cursor.com>

lib/time-clock-live-activity.ts

@@ -3,6 +3,7 @@ import { Platform } from "react-native";
 
 import { formatElapsedHoursMinutes, formatElapsedSeconds } from "@/lib/time-clock";
 import type { TimeClockActivityProps } from "@/lib/time-clock-live-activity.types";
+import { ensureWidgetBrandAssets, getWidgetBrandAssetUris } from "@/lib/widget-brand-assets";
 
 type RunningEntry = {
   description: string;
@@ -54,6 +55,7 @@ export function buildTimeClockActivityProps(
   elapsedSeconds: number,
 ): TimeClockActivityProps {
   const invoice = running.invoice;
+  const brand = getWidgetBrandAssetUris();
   return {
     elapsed: formatElapsedSeconds(elapsedSeconds),
     elapsedShort: formatElapsedHoursMinutes(elapsedSeconds),
@@ -66,6 +68,8 @@ export function buildTimeClockActivityProps(
     invoiceLabel: invoice
       ? `${invoice.invoicePrefix ?? "#"}${invoice.invoiceNumber}`
       : "",
+    markImageUri: brand?.markUri,
+    logoImageUri: brand?.logoUri,
   };
 }
 
@@ -82,6 +86,7 @@ export async function syncTimeClockLiveActivity(
   }
 
   try {
+    await ensureWidgetBrandAssets();
     const props = buildTimeClockActivityProps(running, elapsedSeconds);
     const instances = factory.getInstances();