feat: Add subtitle support to SectionLayout in various widgets

apps/mobile/packages/features/client/home/lib/src/presentation/widgets/actions_widget.dart

@@ -27,7 +27,6 @@ class ActionsWidget extends StatelessWidget {
     final TranslationsClientHomeActionsEn i18n = t.client_home.actions;
 
     return SectionLayout(
-      title: title,
       child: Row(
         spacing: UiConstants.space4,
         children: <Widget>[

apps/mobile/packages/features/client/home/lib/src/presentation/widgets/coverage_dashboard.dart

@@ -62,13 +62,6 @@ class CoverageDashboard extends StatelessWidget {
         color: UiColors.white,
         borderRadius: UiConstants.radiusLg,
         border: Border.all(color: UiColors.border, width: 0.5),
-        boxShadow: <BoxShadow>[
-          BoxShadow(
-            color: UiColors.black.withValues(alpha: 0.02),
-            blurRadius: 4,
-            offset: const Offset(0, 1),
-          ),
-        ],
       ),
       child: Column(
         children: <Widget>[
@@ -171,17 +164,17 @@ class _StatusCard extends StatelessWidget {
     Color textColor = UiColors.textPrimary;
 
     if (isWarning) {
-      bg = UiColors.tagPending;
-      border = UiColors.borderStill;
+      bg = UiColors.tagPending.withAlpha(80);
+      border = UiColors.textWarning.withAlpha(80);
       iconColor = UiColors.textWarning;
       textColor = UiColors.textWarning;
     } else if (isError) {
-      bg = UiColors.tagError;
-      border = UiColors.borderError;
+      bg = UiColors.tagError.withAlpha(80);
+      border = UiColors.borderError.withAlpha(80);
       iconColor = UiColors.textError;
       textColor = UiColors.textError;
     } else if (isInfo) {
-      bg = UiColors.tagInProgress;
+      bg = UiColors.tagInProgress.withAlpha(80);
       border = UiColors.primary.withValues(alpha: 0.2);
       iconColor = UiColors.primary;
       textColor = UiColors.primary;

apps/mobile/packages/features/client/home/lib/src/presentation/widgets/coverage_widget.dart

@@ -35,6 +35,7 @@ class CoverageWidget extends StatelessWidget {
   Widget build(BuildContext context) {
     return SectionLayout(
       title: title,
+      subtitle: subtitle,
       action: totalNeeded > 0 || totalConfirmed > 0 || coveragePercent > 0
           ? t.client_home.dashboard.percent_covered(percent: coveragePercent)
           : null,

apps/mobile/packages/features/client/home/lib/src/presentation/widgets/live_activity_widget.dart

@@ -113,6 +113,7 @@ class _LiveActivityWidgetState extends State<LiveActivityWidget> {
 
     return SectionLayout(
       title: widget.title,
+      subtitle: widget.subtitle,
       action: i18n.dashboard.view_all,
       onAction: widget.onViewAllPressed,
       child: FutureBuilder<_LiveActivityData>(

apps/mobile/packages/features/client/home/lib/src/presentation/widgets/reorder_widget.dart

@@ -38,6 +38,7 @@ class ReorderWidget extends StatelessWidget {
 
     return SectionLayout(
       title: title,
+      subtitle: subtitle,
       child: SizedBox(
         height: 164,
         child: ListView.separated(

apps/mobile/packages/features/client/home/lib/src/presentation/widgets/section_header.dart

@@ -4,6 +4,15 @@ import 'package:design_system/design_system.dart';
 
 /// Section header widget for home page sections, using design system tokens.
 class SectionHeader extends StatelessWidget {
+
+  /// Creates a [SectionHeader].
+  const SectionHeader({
+    super.key,
+    required this.title,
+    this.subtitle,
+    this.action,
+    this.onAction,
+  });
   /// Section title
   final String title;
 
@@ -16,22 +25,15 @@ class SectionHeader extends StatelessWidget {
   /// Optional action callback
   final VoidCallback? onAction;
 
-  /// Creates a [SectionHeader].
-  const SectionHeader({
-    super.key,
-    required this.title,
-    this.subtitle,
-    this.action,
-    this.onAction,
-  });
-
   @override
   Widget build(BuildContext context) {
     return Column(
       crossAxisAlignment: CrossAxisAlignment.start,
       children: <Widget>[
         Padding(
-          padding: const EdgeInsets.only(bottom: UiConstants.space3),
+          padding: subtitle != null 
+              ? EdgeInsets.zero 
+              : const EdgeInsets.only(bottom: UiConstants.space3),
           child: Row(
             mainAxisAlignment: MainAxisAlignment.spaceBetween,
             children: <Widget>[

apps/mobile/packages/features/client/home/lib/src/presentation/widgets/spending_widget.dart

@@ -39,6 +39,7 @@ class SpendingWidget extends StatelessWidget {
   Widget build(BuildContext context) {
     return SectionLayout(
       title: title,
+      subtitle: subtitle,
       child: Container(
         padding: const EdgeInsets.all(UiConstants.space3),
         decoration: BoxDecoration(