## Description

After the system suspends and resumes, the fingerprint reader stops working on the lock screen. The lock screen's fingerprint prompt either hangs or immediately fails, forcing password fallback.

## Steps to Reproduce

1. Unlock the lock screen using fingerprint — works fine
2. Let the system suspend (via idle, lid close, or `Super+Ctrl+L` then suspend)
3. Resume the system
4. Lock screen appears — attempt to use fingerprint to unlock
5. Fingerprint authentication fails / is unresponsive

## Expected Behavior

Fingerprint authentication works on the lock screen after resume from suspend.

## Actual Behavior

`fprintd` reports the device error and authentication fails silently:

```
fprintd[PID]: Device reported an error during verify: Cannot run while suspended.
```

This appears in `journalctl -u fprintd` consistently after every suspend/resume cycle. The error persists until `fprintd` is manually restarted (`systemctl restart fprintd`), after which fingerprint works again.

## Root Cause

`fprintd` holds a stale/broken device handle after the fingerprint reader is suspended by the kernel. On resume, `fprintd` doesn't re-probe the device — it just fails all verify calls until restarted.

## Suggested Fix

Add a `/lib/systemd/system-sleep/restart-fprintd` hook (following the same pattern as the existing `unmount-fuse` hook in that directory) to restart `fprintd` a few seconds after resume:

```bash
#!/bin/bash
# Restart fprintd after resume so the fingerprint reader recovers from suspend.
if [[ $1 == "post" ]]; then
  (sleep 3; systemctl restart fprintd.service) &
fi
```

The 3-second delay gives the device time to re-enumerate before `fprintd` tries to claim it. Manually running `systemctl restart fprintd` after each resume confirms this fix works.

## System Details

| Field | Value |
|-------|-------|
| Omarchy version | 4.0.0-1 |
| Kernel | 7.1.8-arch1-3 |
| CPU | Intel Core Ultra 7 155U (Meteor Lake) |
| GPU | Intel Meteor Lake-P (integrated) |
| Fingerprint sensor | Goodix MOC Fingerprint Sensor (integrated) |
| fprintd | 1.94.5-2 |
| libfprint | 1.94.100-1 |

## Relevant Logs

```
Aug 16 00:17:15 fprintd[24755]: Device reported an error during verify: Cannot run while suspended.
Aug 16 11:28:54 fprintd[69990]: Device reported an error during verify: Cannot run while suspended.
Aug 17 (multiple occurrences after each suspend/resume cycle)
```