feat: split alcohol and urine test into separate fields

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

components/incidents/investigation-panel.tsx

@@ -8,6 +8,7 @@ interface Investigation {
   findings_text: string | null
   root_cause_summary: string | null
   alcohol_test_result: string | null
+  urine_test_result: string | null
   witness_statement_refs: string[]
   completed_at: string | null
   investigator: { name: string | null; email: string } | null
@@ -23,6 +24,13 @@ const METHOD_LABELS = {
   other: 'Other Method',
 }
 
+const TEST_RESULT_LABELS: Record<string, string> = {
+  negative: 'Negative',
+  positive: 'Positive',
+  refused: 'Refused',
+  pending: 'Result pending',
+}
+
 export function InvestigationPanel({ investigation: inv }: Props) {
   const investigatorName = inv.investigator?.name ?? inv.investigator?.email ?? 'Unknown'
 
@@ -105,11 +113,21 @@ export function InvestigationPanel({ investigation: inv }: Props) {
           </div>
         )}
 
-        {/* Alcohol test */}
-        {inv.alcohol_test_result && (
-          <div>
-            <h3 className="text-xs font-semibold text-gray-500 uppercase tracking-wide mb-1">Alcohol Test Result</h3>
-            <p className="text-sm text-gray-900">{inv.alcohol_test_result}</p>
+        {/* Drug tests */}
+        {(inv.alcohol_test_result || inv.urine_test_result) && (
+          <div className="grid grid-cols-2 gap-4">
+            {inv.alcohol_test_result && (
+              <div>
+                <h3 className="text-xs font-semibold text-gray-500 uppercase tracking-wide mb-1">Alcohol Test</h3>
+                <p className="text-sm text-gray-900">{TEST_RESULT_LABELS[inv.alcohol_test_result] ?? inv.alcohol_test_result}</p>
+              </div>
+            )}
+            {inv.urine_test_result && (
+              <div>
+                <h3 className="text-xs font-semibold text-gray-500 uppercase tracking-wide mb-1">Urine Test</h3>
+                <p className="text-sm text-gray-900">{TEST_RESULT_LABELS[inv.urine_test_result] ?? inv.urine_test_result}</p>
+              </div>
+            )}
           </div>
         )}