refactoring

lib/shared/design_system/components/uf_section_header.dart

@@ -0,0 +1,39 @@
+import 'package:flutter/material.dart';
+import '../tokens/unionflow_colors.dart';
+
+/// En-tête de section dashboard — titre 13px w700 avec trailing optionnel
+/// Style de référence : super_admin_dashboard._buildSectionHeader
+class UFSectionHeader extends StatelessWidget {
+  final String title;
+
+  /// Texte secondaire affiché à droite : "· trailing"
+  final String? trailing;
+
+  const UFSectionHeader(this.title, {this.trailing, super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Row(
+      children: [
+        Text(
+          title,
+          style: const TextStyle(
+            fontSize: 13,
+            fontWeight: FontWeight.w700,
+            color: UnionFlowColors.textPrimary,
+          ),
+        ),
+        if (trailing != null && trailing!.isNotEmpty) ...[
+          const SizedBox(width: 6),
+          Text(
+            '· $trailing',
+            style: const TextStyle(
+              fontSize: 11,
+              color: UnionFlowColors.textTertiary,
+            ),
+          ),
+        ],
+      ],
+    );
+  }
+}