fix(ui): resizable modal, drop branch column, show committed diff

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

src/ClaudeDo.Data/Git/GitService.cs

@@ -35,6 +35,15 @@ public sealed class GitService
         return stdout;
     }
 
+    public async Task<string> GetCommittedFilesAsync(string worktreePath, string baseCommit, CancellationToken ct = default)
+    {
+        var (exitCode, stdout, stderr) = await RunGitAsync(worktreePath,
+            ["diff", "--name-status", $"{baseCommit}..HEAD"], ct);
+        if (exitCode != 0)
+            throw new InvalidOperationException($"git diff --name-status failed (exit {exitCode}): {stderr}");
+        return stdout;
+    }
+
     public async Task<bool> HasChangesAsync(string worktreePath, CancellationToken ct = default)
     {
         var (exitCode, stdout, stderr) = await RunGitAsync(worktreePath, ["status", "--porcelain"], ct);

src/ClaudeDo.Ui/Services/WorkerClient.cs

@@ -569,6 +569,7 @@ public sealed record WorktreeOverviewDto(
     string ListName,
     string Path,
     string BranchName,
+    string BaseCommit,
     WorktreeState State,
     string? DiffStat,
     DateTime CreatedAt,

src/ClaudeDo.Ui/ViewModels/Modals/WorktreeModalViewModel.cs

@@ -20,6 +20,7 @@ public sealed partial class WorktreeModalViewModel : ViewModelBase
     public ObservableCollection<WorktreeNodeViewModel> Root { get; } = new();
 
     [ObservableProperty] private string _worktreePath = "";
+    [ObservableProperty] private string? _baseCommit;
 
     // Set by the view (same pattern as DiffModalViewModel.CloseAction)
     public Action? CloseAction { get; set; }
@@ -37,7 +38,13 @@ public sealed partial class WorktreeModalViewModel : ViewModelBase
         Root.Clear();
 
         string stdout;
-        try { stdout = await _git.GetStatusPorcelainAsync(WorktreePath, ct); }
+        bool committedMode = !string.IsNullOrEmpty(BaseCommit);
+        try
+        {
+            stdout = committedMode
+                ? await _git.GetCommittedFilesAsync(WorktreePath, BaseCommit!, ct)
+                : await _git.GetStatusPorcelainAsync(WorktreePath, ct);
+        }
         catch { return; }
 
         if (string.IsNullOrWhiteSpace(stdout)) return;
@@ -46,14 +53,27 @@ public sealed partial class WorktreeModalViewModel : ViewModelBase
 
         foreach (var line in stdout.Split('\n', StringSplitOptions.RemoveEmptyEntries))
         {
-            if (line.Length < 4) continue;
+            string? path;
+            string? status;
 
-            // porcelain format: XY<space>path  (XY = two-char status)
+            if (committedMode)
+            {
+                // diff --name-status format: <status>\t<path>
+                var tab = line.IndexOf('\t');
+                if (tab < 0) continue;
+                var statusChar = line[0];
+                status = statusChar != ' ' ? statusChar.ToString() : null;
+                path = line[(tab + 1)..].Trim().Replace('\\', '/');
+            }
+            else
+            {
+                // porcelain format: XY<space>path
+                if (line.Length < 4) continue;
                 var xy = line[..2];
-            // Pick staged char first, fall back to unstaged
                 var statusChar = xy[0] != ' ' ? xy[0] : xy[1];
-            var status = statusChar != ' ' ? statusChar.ToString() : null;
+                status = statusChar != ' ' ? statusChar.ToString() : null;
-            var path = line[3..].Trim().Replace('\\', '/');
+                path = line[3..].Trim().Replace('\\', '/');
+            }
 
             var segments = path.Split('/', StringSplitOptions.RemoveEmptyEntries);
             if (segments.Length == 0) continue;

src/ClaudeDo.Ui/ViewModels/Modals/WorktreesOverviewModalViewModel.cs

@@ -20,6 +20,7 @@ public sealed partial class WorktreeOverviewRowViewModel : ViewModelBase
     [ObservableProperty] private string _listName = "";
     [ObservableProperty] private string _path = "";
     [ObservableProperty] private string _branchName = "";
+    [ObservableProperty] private string _baseCommit = "";
     [ObservableProperty] private WorktreeState _state;
     [ObservableProperty] private string? _diffStat;
     [ObservableProperty] private DateTime _createdAt;
@@ -149,6 +150,7 @@ public sealed partial class WorktreesOverviewModalViewModel : ViewModelBase
         if (row is null) return;
         var diffVm = _diffVmFactory();
         diffVm.WorktreePath = row.Path;
+        diffVm.BaseCommit = string.IsNullOrEmpty(row.BaseCommit) ? null : row.BaseCommit;
         ShowDiffAction?.Invoke(diffVm);
     }
 
@@ -231,7 +233,7 @@ public sealed partial class WorktreesOverviewModalViewModel : ViewModelBase
     {
         TaskId = d.TaskId, TaskTitle = d.TaskTitle, TaskStatus = d.TaskStatus,
         ListId = d.ListId, ListName = d.ListName,
-        Path = d.Path, BranchName = d.BranchName, State = d.State,
+        Path = d.Path, BranchName = d.BranchName, BaseCommit = d.BaseCommit, State = d.State,
         DiffStat = d.DiffStat, CreatedAt = d.CreatedAt, PathExistsOnDisk = d.PathExistsOnDisk,
     };
 }

src/ClaudeDo.Ui/Views/Modals/WorktreesOverviewModalView.axaml

@@ -6,6 +6,7 @@
         x:DataType="vm:WorktreesOverviewModalViewModel"
         Title="{Binding Title}"
         Width="900" Height="560" MinWidth="640" MinHeight="360"
+        CanResize="True"
         WindowStartupLocation="CenterOwner"
         Background="{DynamicResource VoidBrush}"
         SystemDecorations="None"
@@ -52,7 +53,7 @@
                       CommandParameter="{Binding}"/>
           </ContextMenu>
         </Border.ContextMenu>
-        <Grid ColumnDefinitions="*,200,90,80,80">
+        <Grid ColumnDefinitions="*,90,80,80">
           <StackPanel Grid.Column="0" Orientation="Vertical" Spacing="2">
             <TextBlock Text="{Binding TaskTitle}" FontWeight="SemiBold"/>
             <StackPanel Orientation="Horizontal" Spacing="4">
@@ -65,18 +66,15 @@
                          ToolTip.Tip="Directory missing on disk"/>
             </StackPanel>
           </StackPanel>
-          <TextBlock Grid.Column="1" Text="{Binding BranchName}"
+          <Border Grid.Column="1" CornerRadius="3" Padding="6,2" VerticalAlignment="Center"
-                     FontFamily="{DynamicResource MonoFont}" FontSize="11"
-                     VerticalAlignment="Center" TextTrimming="CharacterEllipsis"/>
-          <Border Grid.Column="2" CornerRadius="3" Padding="6,2" VerticalAlignment="Center"
                   Background="{Binding State, Converter={StaticResource WorktreeStateColor}}">
             <TextBlock Text="{Binding State}" FontSize="10" Foreground="White"
                        HorizontalAlignment="Center"/>
           </Border>
-          <TextBlock Grid.Column="3" Text="{Binding DiffStat}" VerticalAlignment="Center"
+          <TextBlock Grid.Column="2" Text="{Binding DiffStat}" VerticalAlignment="Center"
                      FontFamily="{DynamicResource MonoFont}" FontSize="11"
                      Foreground="{DynamicResource TextDimBrush}"/>
-          <TextBlock Grid.Column="4" Text="{Binding AgeText}" VerticalAlignment="Center"
+          <TextBlock Grid.Column="3" Text="{Binding AgeText}" VerticalAlignment="Center"
                      FontSize="11" Foreground="{DynamicResource TextDimBrush}"/>
         </Grid>
       </Border>
@@ -154,20 +152,17 @@
       <ScrollViewer Grid.Row="2" Padding="12,8">
         <StackPanel>
           <!-- Column headers -->
-          <Grid ColumnDefinitions="*,200,90,80,80" Margin="12,0,12,4">
+          <Grid ColumnDefinitions="*,90,80,80" Margin="12,0,12,4">
             <TextBlock Grid.Column="0" Text="TASK"
                        FontFamily="{DynamicResource MonoFont}" FontSize="10" LetterSpacing="1.4"
                        Foreground="{DynamicResource TextFaintBrush}"/>
-            <TextBlock Grid.Column="1" Text="BRANCH"
+            <TextBlock Grid.Column="1" Text="STATE"
                        FontFamily="{DynamicResource MonoFont}" FontSize="10" LetterSpacing="1.4"
                        Foreground="{DynamicResource TextFaintBrush}"/>
-            <TextBlock Grid.Column="2" Text="STATE"
+            <TextBlock Grid.Column="2" Text="DIFF"
                        FontFamily="{DynamicResource MonoFont}" FontSize="10" LetterSpacing="1.4"
                        Foreground="{DynamicResource TextFaintBrush}"/>
-            <TextBlock Grid.Column="3" Text="DIFF"
+            <TextBlock Grid.Column="3" Text="AGE"
-                       FontFamily="{DynamicResource MonoFont}" FontSize="10" LetterSpacing="1.4"
-                       Foreground="{DynamicResource TextFaintBrush}"/>
-            <TextBlock Grid.Column="4" Text="AGE"
                        FontFamily="{DynamicResource MonoFont}" FontSize="10" LetterSpacing="1.4"
                        Foreground="{DynamicResource TextFaintBrush}"/>
           </Grid>

src/ClaudeDo.Worker/Hub/WorkerHub.cs

@@ -38,6 +38,7 @@ public record WorktreeOverviewDto(
     string ListName,
     string Path,
     string BranchName,
+    string BaseCommit,
     WorktreeState State,
     string? DiffStat,
     DateTime CreatedAt,
@@ -252,7 +253,7 @@ public sealed class WorkerHub : Microsoft.AspNetCore.SignalR.Hub
         var rows = await _wtMaintenance.GetOverviewAsync(listId, Context.ConnectionAborted);
         return rows.Select(r => new WorktreeOverviewDto(
             r.TaskId, r.TaskTitle, r.TaskStatus, r.ListId, r.ListName,
-            r.Path, r.BranchName, r.State, r.DiffStat, r.CreatedAt, r.PathExistsOnDisk)).ToList();
+            r.Path, r.BranchName, r.BaseCommit, r.State, r.DiffStat, r.CreatedAt, r.PathExistsOnDisk)).ToList();
     }
 
     public async Task<bool> SetWorktreeState(string taskId, WorktreeState newState)

src/ClaudeDo.Worker/Worktrees/WorktreeMaintenanceService.cs

@@ -82,7 +82,7 @@ public sealed class WorktreeMaintenanceService
                     select new
                     {
                         w.TaskId, t.Title, t.Status, ListId = l.Id, ListName = l.Name,
-                        w.Path, w.BranchName, w.State, w.DiffStat, w.CreatedAt,
+                        w.Path, w.BranchName, w.BaseCommit, w.State, w.DiffStat, w.CreatedAt,
                     };
 
         if (!string.IsNullOrEmpty(listId))
@@ -92,7 +92,7 @@ public sealed class WorktreeMaintenanceService
 
         return rows.Select(x => new WorktreeOverviewRow(
             x.TaskId, x.Title, x.Status, x.ListId, x.ListName,
-            x.Path, x.BranchName, x.State, x.DiffStat, x.CreatedAt,
+            x.Path, x.BranchName, x.BaseCommit ?? "", x.State, x.DiffStat, x.CreatedAt,
             PathExistsOnDisk: !string.IsNullOrWhiteSpace(x.Path) && Directory.Exists(x.Path))).ToList();
     }
 

src/ClaudeDo.Worker/Worktrees/WorktreeOverviewRow.cs

@@ -11,6 +11,7 @@ public sealed record WorktreeOverviewRow(
     string ListName,
     string Path,
     string BranchName,
+    string BaseCommit,
     WorktreeState State,
     string? DiffStat,
     DateTime CreatedAt,