feat(dvk): delete a message — recording and label together

A deleted message is a free slot, per its operator; keeping the label made it
look half-deleted.

frontend/src/components/SettingsModal.tsx

@@ -9,7 +9,7 @@ import {
 import {
   GetLookupSettings, SaveLookupSettings, ClearLookupCache, TestLookupProvider,
   GetListsSettings, SaveListsSettings,
-  GetCATSettings, SaveCATSettings, GetRadios, SaveRadios, SetActiveRadio, ActiveRadioID, DiscoverFlexRadios,
+  GetCATSettings, SaveCATSettings, GetRadios, SaveRadios, SetActiveRadio, ActiveRadioID, DiscoverFlexRadios, DVKDelete,
   GetAudioMonitorPref,
   ListProfiles, GetActiveProfile, SaveProfile, DeleteProfile, ActivateProfile, DuplicateProfile,
   GetRotators, SaveRotators, TestRotatorDevice, RotatorPark, RotatorStop,
@@ -7178,6 +7178,15 @@ function SettingsModalImpl({ onClose, onSaved, initialSection, onMainPaneChanged
                   >
                     {dvkStat.playing ? t('aud.stop') : t('aud.play')}
                   </Button>
+                  <Button
+                    type="button"
+                    variant="outline" size="sm" className="h-8 w-9 shrink-0 px-0 text-danger hover:text-danger"
+                    title={t('aud.deleteMsg')}
+                    disabled={!m.has_audio || dvkStat.recording || dvkStat.playing}
+                    onClick={() => DVKDelete(m.slot).then(reloadDvk).catch((err) => setDvkErr(String(err?.message ?? err)))}
+                  >
+                    <Trash2 className="size-3.5" />
+                  </Button>
                 </div>
               );
             })}