Added cache revalidation to ensure ViewLocationCard reflects uploaded
proof of payment when navigating back from ViewBillCard:
- Server-side: Added revalidatePath() to upload actions in billActions
and locationActions to invalidate Next.js server cache
- Client-side: Added router.refresh() calls in ViewBillCard and
ViewLocationCard to refresh client router cache after successful upload
This maintains the current UX (no redirect on upload) while ensuring
fresh data is displayed on navigation.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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