fix(01-foundation): revise plans based on checker feedback

- 01-03: wave 2 → wave 3 (depends on 01-02 which is also wave 2; must be wave 3)
- 01-06: add ProgressUpdatedMessage.cs to files_modified; add third StatusBarItem (progress %) to XAML per locked CONTEXT.md decision; add ProgressUpdatedMessage subscription in MainWindowViewModel.OnActivated()
- 01-08: add comment to empty <files> element (auto task with no file output)

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

.planning/phases/01-foundation/01-03-PLAN.md

@@ -2,7 +2,7 @@
 phase: 01-foundation
 plan: 03
 type: execute
-wave: 2
+wave: 3
 depends_on:
   - 01-01
   - 01-02

.planning/phases/01-foundation/01-06-PLAN.md

@@ -8,6 +8,7 @@ depends_on:
   - 01-04
   - 01-05
 files_modified:
+  - SharepointToolbox/Core/Messages/ProgressUpdatedMessage.cs
   - SharepointToolbox/ViewModels/FeatureViewModelBase.cs
   - SharepointToolbox/ViewModels/MainWindowViewModel.cs
   - SharepointToolbox/ViewModels/ProfileManagementViewModel.cs
@@ -53,6 +54,10 @@ must_haves:
       to: "SharepointToolbox/Core/Messages/TenantSwitchedMessage.cs"
       via: "WeakReferenceMessenger.Default.Send on ComboBox selection change"
       pattern: "TenantSwitchedMessage"
+    - from: "SharepointToolbox/ViewModels/MainWindowViewModel.cs"
+      to: "SharepointToolbox/Core/Messages/ProgressUpdatedMessage.cs"
+      via: "Messenger.Register<ProgressUpdatedMessage> in OnActivated — updates StatusBar observable properties"
+      pattern: "ProgressUpdatedMessage"
 ---
 
 <objective>
@@ -113,6 +118,7 @@ public sealed class LanguageChangedMessage : ValueChangedMessage<string>
 <task type="auto" tdd="true">
   <name>Task 1: FeatureViewModelBase + unit tests</name>
   <files>
+    SharepointToolbox/Core/Messages/ProgressUpdatedMessage.cs,
     SharepointToolbox/ViewModels/FeatureViewModelBase.cs,
     SharepointToolbox.Tests/ViewModels/FeatureViewModelBaseTests.cs
   </files>
@@ -248,6 +254,8 @@ public sealed class LanguageChangedMessage : ValueChangedMessage<string>
     ```csharp
     [ObservableProperty] private TenantProfile? _selectedProfile;
     [ObservableProperty] private string _connectionStatus = "Not connected";
+    [ObservableProperty] private string _progressStatus = string.Empty;
+    [ObservableProperty] private int _progressPercentage;
     public ObservableCollection<TenantProfile> TenantProfiles { get; } = new();
 
     // ConnectCommand: calls SessionManager.GetOrCreateContextAsync(SelectedProfile)
@@ -257,6 +265,22 @@ public sealed class LanguageChangedMessage : ValueChangedMessage<string>
     // LoadProfilesAsync: called on startup, loads from ProfileService
     ```
 
+    Override `OnActivated()` to register for `ProgressUpdatedMessage` from any active feature ViewModel:
+    ```csharp
+    protected override void OnActivated()
+    {
+        base.OnActivated();
+        Messenger.Register<ProgressUpdatedMessage>(this, (r, m) =>
+        {
+            r.ProgressStatus = m.Value.Message;
+            r.ProgressPercentage = m.Value.Total > 0
+                ? (int)(100.0 * m.Value.Current / m.Value.Total)
+                : 0;
+        });
+    }
+    ```
+    This wires the StatusBar operation text and progress % to live updates from any running feature operation.
+
     **ProfileManagementViewModel.cs**: Wraps ProfileService for dialog binding.
     - `ObservableCollection<TenantProfile> Profiles`
     - `AddCommand`, `RenameCommand`, `DeleteCommand`
@@ -269,7 +293,8 @@ public sealed class LanguageChangedMessage : ValueChangedMessage<string>
     - On language change: updates `TranslationSource.Instance.CurrentCulture` + calls `SettingsService.SetLanguageAsync`
     - `RunOperationAsync`: not applicable — stub throws `NotSupportedException` (Settings tab has no long-running operation)
 
-    **MainWindow.xaml** — Full shell layout as locked in CONTEXT.md:
+    **MainWindow.xaml** — Full shell layout as locked in CONTEXT.md.
+    StatusBar MUST have three fields per the locked decision (tenant name | operation status text | progress percentage):
     ```xml
     <Window Title="{Binding Source={x:Static loc:TranslationSource.Instance}, Path=[app.title]}"
             MinWidth="900" MinHeight="600">
@@ -288,11 +313,13 @@ public sealed class LanguageChangedMessage : ValueChangedMessage<string>
                   Command="{Binding ClearSessionCommand}" />
         </ToolBar>
 
-        <!-- StatusBar -->
+        <!-- StatusBar: three fields per locked layout decision -->
         <StatusBar DockPanel.Dock="Bottom" Height="24">
           <StatusBarItem Content="{Binding SelectedProfile.Name}" />
           <Separator />
           <StatusBarItem Content="{Binding ConnectionStatus}" />
+          <Separator />
+          <StatusBarItem Content="{Binding ProgressPercentage, StringFormat={}{0}%}" />
         </StatusBar>
 
         <!-- Log Panel -->
@@ -370,7 +397,7 @@ public sealed class LanguageChangedMessage : ValueChangedMessage<string>
   <verify>
     <automated>cd "C:\Users\dev\Documents\projets\Sharepoint" && dotnet build SharepointToolbox/SharepointToolbox.csproj 2>&1 | tail -5</automated>
   </verify>
-  <done>Build succeeds with 0 errors. MainWindow.xaml contains RichTextBox x:Name="LogPanel". All 8 tab headers use TranslationSource bindings. Global exception handlers registered in App.xaml.cs.</done>
+  <done>Build succeeds with 0 errors. MainWindow.xaml contains RichTextBox x:Name="LogPanel". StatusBar has three StatusBarItems (tenant name, connection status, progress %). All 8 tab headers use TranslationSource bindings. Global exception handlers registered in App.xaml.cs.</done>
 </task>
 
 </tasks>
@@ -379,13 +406,15 @@ public sealed class LanguageChangedMessage : ValueChangedMessage<string>
 - `dotnet build SharepointToolbox.sln` passes with 0 errors
 - `dotnet test --filter "Category=Unit"` all pass
 - MainWindow.xaml contains `x:Name="LogPanel"` RichTextBox
+- MainWindow.xaml StatusBar has three StatusBarItems: SelectedProfile.Name | ConnectionStatus | ProgressPercentage%
 - App.xaml.cs registers `DispatcherUnhandledException` and `TaskScheduler.UnobservedTaskException`
 - FeatureViewModelBase contains no `async void` methods (anti-pattern violation)
 - ObservableCollection is never modified from Task.Run (pattern 7 compliance)
+- MainWindowViewModel.OnActivated() subscribes to ProgressUpdatedMessage and updates ProgressStatus + ProgressPercentage
 </verification>
 
 <success_criteria>
-Application compiles and launches to a visible WPF shell. FeatureViewModelBase tests green. All ViewModels registered in DI. Log panel wired to Serilog.
+Application compiles and launches to a visible WPF shell. FeatureViewModelBase tests green. All ViewModels registered in DI. Log panel wired to Serilog. StatusBar shows all three fields including live progress percentage.
 </success_criteria>
 
 <output>

.planning/phases/01-foundation/01-08-PLAN.md

@@ -62,7 +62,7 @@ Output: Confirmed working foundation. Green light for Phase 2.
 
 <task type="auto">
   <name>Task 1: Run full test suite and verify zero failures</name>
-  <files></files>
+  <files><!-- no files created or modified — test-execution-only task --></files>
   <action>
     Run the complete test suite:
     ```