fix(admin): enable touch interaction on TV slider controls

lib/features/admin/admin_screen.dart

@@ -3238,6 +3238,18 @@ class _AdminScreenState extends ConsumerState<AdminScreen> {
               'Offset Hijriah ${_hijriOffsetDays >= 0 ? '+' : ''}$_hijriOffsetDays hari tersimpan',
         );
       },
+      onProgressChanged: (nextProgress) {
+        final mapped = (minOffset + ((maxOffset - minOffset) * nextProgress)).round();
+        final clamped = mapped.clamp(minOffset, maxOffset).toInt();
+        if (clamped == _hijriOffsetDays) return;
+        setState(() {
+          _hijriOffsetDays = clamped;
+        });
+        _queueJadwalAutoSave(
+          message:
+              'Offset Hijriah ${_hijriOffsetDays >= 0 ? '+' : ''}$_hijriOffsetDays hari tersimpan',
+        );
+      },
     );
   }
 
@@ -3361,6 +3373,8 @@ class _AdminScreenState extends ConsumerState<AdminScreen> {
   }) {
     final value = _parseCtrlInt(controller, fallback);
     final valueLabel = suffix.isEmpty ? '$value' : '$value $suffix';
+    final denominator = max - min;
+    final progress = denominator <= 0 ? 0.0 : ((value - min) / denominator);
 
     return _scrollAware(
       controller: _scrollControllerForTab(_selectedTab),
@@ -3369,7 +3383,7 @@ class _AdminScreenState extends ConsumerState<AdminScreen> {
         focusNode: focusNode,
         label: label,
         valueLabel: valueLabel,
-        progress: ((value - min) / (max - min)).clamp(0.0, 1.0),
+        progress: progress.clamp(0.0, 1.0),
         helperText: 'Tekan OK untuk mulai ubah. Saat aktif, gunakan ← → untuk menyesuaikan nilai.',
         onMoveLeft: onMoveLeft,
         onMoveUp: onMoveUp,
@@ -3394,6 +3408,19 @@ class _AdminScreenState extends ConsumerState<AdminScreen> {
           );
           onValueChanged?.call();
         },
+        onProgressChanged: denominator <= 0
+            ? null
+            : (nextProgress) {
+                final mapped = (min + ((max - min) * nextProgress))
+                    .round()
+                    .clamp(min, max)
+                    .toInt();
+                if (mapped == _parseCtrlInt(controller, fallback)) return;
+                setState(() {
+                  controller.text = mapped.toString();
+                });
+                onValueChanged?.call();
+              },
       ),
     );
   }
@@ -3410,6 +3437,7 @@ class _AdminScreenState extends ConsumerState<AdminScreen> {
     VoidCallback? onMoveDown,
     required VoidCallback onIncrement,
     required VoidCallback onDecrement,
+    ValueChanged<double>? onProgressChanged,
   }) {
     return _TvAdjustTile(
       scale: s,
@@ -3423,6 +3451,7 @@ class _AdminScreenState extends ConsumerState<AdminScreen> {
       onMoveDown: onMoveDown,
       onIncrement: onIncrement,
       onDecrement: onDecrement,
+      onProgressChanged: onProgressChanged,
     );
   }
 
@@ -3524,6 +3553,11 @@ class _AdminScreenState extends ConsumerState<AdminScreen> {
       onMoveDown: onMoveDown,
       onIncrement: () => onChanged((value + step).clamp(0.5, 2.0)),
       onDecrement: () => onChanged((value - step).clamp(0.5, 2.0)),
+      onProgressChanged: (nextProgress) {
+        final mapped = (0.5 + (1.5 * nextProgress)).clamp(0.5, 2.0);
+        final snapped = (((mapped / step).round() * step).clamp(0.5, 2.0)).toDouble();
+        onChanged(snapped);
+      },
     );
   }
 
@@ -4185,6 +4219,7 @@ class _TvAdjustTile extends StatefulWidget {
   final VoidCallback? onMoveDown;
   final VoidCallback onIncrement;
   final VoidCallback onDecrement;
+  final ValueChanged<double>? onProgressChanged;
 
   const _TvAdjustTile({
     required this.scale,
@@ -4198,6 +4233,7 @@ class _TvAdjustTile extends StatefulWidget {
     this.onMoveDown,
     required this.onIncrement,
     required this.onDecrement,
+    this.onProgressChanged,
   });
 
   @override
@@ -4243,6 +4279,12 @@ class _TvAdjustTileState extends State<_TvAdjustTile> {
 
   FocusNode get _focusNode => widget.focusNode ?? _fallbackFocusNode;
 
+  void _updateFromTouchPosition(double x, double width) {
+    if (widget.onProgressChanged == null || width <= 0) return;
+    final normalized = (x / width).clamp(0.0, 1.0);
+    widget.onProgressChanged!(normalized);
+  }
+
   @override
   void dispose() {
     if (widget.focusNode == null) {
@@ -4385,7 +4427,12 @@ class _TvAdjustTileState extends State<_TvAdjustTile> {
               SizedBox(height: 14 * s),
               Row(
                 children: [
-                  Container(
+                  GestureDetector(
+                    onTap: () {
+                      _focusNode.requestFocus();
+                      widget.onDecrement();
+                    },
+                    child: Container(
                       width: 36 * s,
                       height: 36 * s,
                       alignment: Alignment.center,
@@ -4409,8 +4456,36 @@ class _TvAdjustTileState extends State<_TvAdjustTile> {
                         ),
                       ),
                     ),
+                  ),
                   SizedBox(width: 12 * s),
                   Expanded(
+                    child: LayoutBuilder(
+                      builder: (context, constraints) {
+                        final barWidth = constraints.maxWidth;
+                        return GestureDetector(
+                          behavior: HitTestBehavior.opaque,
+                          onTapDown: (details) {
+                            _focusNode.requestFocus();
+                            _updateFromTouchPosition(details.localPosition.dx, barWidth);
+                          },
+                          onHorizontalDragStart: widget.onProgressChanged == null
+                              ? null
+                              : (_) {
+                                  _focusNode.requestFocus();
+                                  setState(() => _isEditing = true);
+                                },
+                          onHorizontalDragUpdate: widget.onProgressChanged == null
+                              ? null
+                              : (details) => _updateFromTouchPosition(
+                                    details.localPosition.dx,
+                                    barWidth,
+                                  ),
+                          onHorizontalDragEnd: widget.onProgressChanged == null
+                              ? null
+                              : (_) => setState(() => _isEditing = false),
+                          onHorizontalDragCancel: widget.onProgressChanged == null
+                              ? null
+                              : () => setState(() => _isEditing = false),
                           child: Container(
                             height: 6 * s,
                             decoration: BoxDecoration(
@@ -4428,9 +4503,17 @@ class _TvAdjustTileState extends State<_TvAdjustTile> {
                               ),
                             ),
                           ),
+                        );
+                      },
+                    ),
                   ),
                   SizedBox(width: 12 * s),
-                  Container(
+                  GestureDetector(
+                    onTap: () {
+                      _focusNode.requestFocus();
+                      widget.onIncrement();
+                    },
+                    child: Container(
                       width: 36 * s,
                       height: 36 * s,
                       alignment: Alignment.center,
@@ -4454,6 +4537,7 @@ class _TvAdjustTileState extends State<_TvAdjustTile> {
                         ),
                       ),
                     ),
+                  ),
                 ],
               ),
               SizedBox(height: 10 * s),