fix(templ): correct @click attribute interpolation syntax

Templ requires Go expression interpolation for dynamic attributes,
not string embedding. Change from @click="func('{ id }')" to
@click={ "func('" + id + "')" } for device ID and registration ID
buttons.

templates/devices.templ

@@ -58,10 +58,10 @@ templ Devices(user User, devices []handlers.DeviceInfo, pendingRegistrations []P
 											}
 										</div>
 										<div class="flex space-x-2">
-											<button @click="showShelfMappings('{ device.ID }')" class="p-2 hover:opacity-80 rounded" style="color: var(--text-secondary); background-color: var(--bg-primary);">
+											<button @click={ "showShelfMappings('" + device.ID.String() + "')" } class="p-2 hover:opacity-80 rounded" style="color: var(--text-secondary); background-color: var(--bg-primary);">
 												📚
 											</button>
-											<button @click="showDeviceSettings('{ device.ID }')" class="p-2 hover:opacity-80 rounded" style="color: var(--text-secondary); background-color: var(--bg-primary);">
+											<button @click={ "showDeviceSettings('" + device.ID.String() + "')" } class="p-2 hover:opacity-80 rounded" style="color: var(--text-secondary); background-color: var(--bg-primary);">
 												⚙️
 											</button>
 										</div>
@@ -175,10 +175,10 @@ templ Devices(user User, devices []handlers.DeviceInfo, pendingRegistrations []P
 										</p>
 									</div>
 									<div class="flex space-x-2">
-										<button @click="approveDevice('{ reg.RegistrationID }')" class="btn-primary px-4 py-2 rounded-lg text-sm">
+										<button @click={ "approveDevice('" + reg.RegistrationID + "')" } class="btn-primary px-4 py-2 rounded-lg text-sm">
 											Approve
 										</button>
-										<button @click="rejectDevice('{ reg.RegistrationID }')" class="btn-danger px-4 py-2 rounded-lg text-sm">
+										<button @click={ "rejectDevice('" + reg.RegistrationID + "')" } class="btn-danger px-4 py-2 rounded-lg text-sm">
 											Reject
 										</button>
 									</div>