fix: recording not being sent if mail enable was not checked

frontend/src/components/DetailsPanel.tsx

@@ -35,8 +35,11 @@ export interface DetailsState {
   sat_name: string;
   sat_mode: string;
   contest_id: string;
-  srx?: number;
-  stx?: number;
+  // Contest exchanges as free text — most are serials (001) but some are
+  // alphanumeric (e.g. a section/zone like "ON4"). Stored to ADIF SRX/STX when
+  // purely numeric, else to SRX_STRING/STX_STRING (handled in App on save).
+  srx_string?: string;
+  stx_string?: string;
   email: string;
   // Award references for the contacted station (set via the Awards tab picker).
   // Semicolon-delimited "AWARD@REF" entries, e.g. "POTA@FR-11553;IOTA@EU-064".
@@ -371,10 +374,10 @@ export function DetailsPanel({ callsign, prefix, operatorGrid, remoteGrid, detai
             <Input value={details.contest_id} onChange={(e) => onChange({ contest_id: e.target.value })} />
           </Field>
           <Field label="SRX">
-            <Input type="number" value={details.srx ?? ''} onChange={(e) => onChange({ srx: numOrUndef(e.target.value) })} />
+            <Input value={details.srx_string ?? ''} placeholder="rcvd exchange" onChange={(e) => onChange({ srx_string: e.target.value })} />
           </Field>
           <Field label="STX">
-            <Input type="number" value={details.stx ?? ''} onChange={(e) => onChange({ stx: numOrUndef(e.target.value) })} />
+            <Input value={details.stx_string ?? ''} placeholder="sent exchange" onChange={(e) => onChange({ stx_string: e.target.value })} />
           </Field>
           <Field label="Contacted email" span={3}>
             <Input value={details.email} placeholder="[email protected]" onChange={(e) => onChange({ email: e.target.value })} />