postit: preserve manual rdv address with map suggestion

src/PostIt/PostIt.Tests/BillingCommandPageViewModelTests.cs

@@ -135,6 +135,50 @@ public class BillingCommandPageViewModelTests
         Assert.Contains("Position sélectionnée", vm.StatusMessage, StringComparison.OrdinalIgnoreCase);
     }
 
+    [Fact]
+    public void ApplyResolvedAddress_populates_empty_address_directly()
+    {
+        var api = new RecordingApi();
+        var client = new BillingApiClient(api, "https://business.example/api/v1/");
+        var vm =
+            new CommandFormSummary { Id = 12, ActionName = "Rdv", Title = "Rendez-vous" }
+            .CreateCommandPageViewModel(
+                new ActivityInfo { Code = "dev", Name = "Développement" },
+                new ActivityUserDisplayItem { PerformerId = "perf-1", UserName = "Alice" },
+                client) as RdvViewModel;
+
+        vm!.Address = string.Empty;
+        vm.ApplyResolvedAddress("10 rue de Rivoli, 75001 Paris");
+
+        Assert.Equal("10 rue de Rivoli, 75001 Paris", vm.Address);
+        Assert.False(vm.HasSuggestedAddress);
+    }
+
+    [Fact]
+    public void ApplyResolvedAddress_preserves_manual_address_and_exposes_suggestion()
+    {
+        var api = new RecordingApi();
+        var client = new BillingApiClient(api, "https://business.example/api/v1/");
+        var vm =
+            new CommandFormSummary { Id = 12, ActionName = "Rdv", Title = "Rendez-vous" }
+            .CreateCommandPageViewModel(
+                new ActivityInfo { Code = "dev", Name = "Développement" },
+                new ActivityUserDisplayItem { PerformerId = "perf-1", UserName = "Alice" },
+                client) as RdvViewModel;
+
+        vm!.Address = "Saisie manuelle";
+        vm.ApplyResolvedAddress("10 rue de Rivoli, 75001 Paris");
+
+        Assert.Equal("Saisie manuelle", vm.Address);
+        Assert.True(vm.HasSuggestedAddress);
+        Assert.Equal("10 rue de Rivoli, 75001 Paris", vm.SuggestedAddress);
+
+        vm.ApplySuggestedAddressCommand.Execute(null);
+
+        Assert.Equal("10 rue de Rivoli, 75001 Paris", vm.Address);
+        Assert.False(vm.HasSuggestedAddress);
+    }
+
     [Fact]
     public async Task InitializeAsync_loads_prestations_for_brush_and_submit_posts_selected_prestation()
     {

src/PostIt/PostIt/ViewModels/Commands/RdvViewModel.cs

@@ -17,6 +17,9 @@ public partial class RdvViewModel : BillingCommandPageViewModel
     [ObservableProperty]
     public partial string Address { get; set; } = string.Empty;
 
+    [ObservableProperty]
+    public partial string SuggestedAddress { get; set; } = string.Empty;
+
     [ObservableProperty]
     public partial double? Latitude { get; set; }
 
@@ -33,6 +36,8 @@ public partial class RdvViewModel : BillingCommandPageViewModel
         EventDate = DateTime.Now.AddDays(1);
     }
 
+    public bool HasSuggestedAddress => !string.IsNullOrWhiteSpace(SuggestedAddress);
+
     protected override void ApplyExistingQuery(BillingQueryDetailsDto existingQuery)
     {
         ExistingQueryId = existingQuery.Id;
@@ -50,6 +55,7 @@ public partial class RdvViewModel : BillingCommandPageViewModel
         if (existingQuery.Location is not null)
         {
             Address = existingQuery.Location.Address ?? string.Empty;
+            SuggestedAddress = string.Empty;
             Latitude = existingQuery.Location.Latitude;
             Longitude = existingQuery.Location.Longitude;
         }
@@ -132,8 +138,40 @@ public partial class RdvViewModel : BillingCommandPageViewModel
         if (string.IsNullOrWhiteSpace(address))
             return;
 
-        Address = address.Trim();
+        var trimmedAddress = address.Trim();
+        if (string.IsNullOrWhiteSpace(Address))
+        {
+            Address = trimmedAddress;
+            SuggestedAddress = string.Empty;
             this.SetInfoStatus("Adresse mise à jour depuis la carte.");
+            return;
+        }
+
+        if (string.Equals(Address.Trim(), trimmedAddress, StringComparison.Ordinal))
+        {
+            SuggestedAddress = string.Empty;
+            return;
+        }
+
+        SuggestedAddress = trimmedAddress;
+        this.SetInfoStatus("Adresse suggérée depuis la carte. Appliquez-la si besoin.");
+    }
+
+    [RelayCommand(CanExecute = nameof(HasSuggestedAddress))]
+    private void ApplySuggestedAddress()
+    {
+        if (string.IsNullOrWhiteSpace(SuggestedAddress))
+            return;
+
+        Address = SuggestedAddress.Trim();
+        SuggestedAddress = string.Empty;
+        this.SetInfoStatus("Adresse suggérée appliquée.");
+    }
+
+    partial void OnSuggestedAddressChanged(string value)
+    {
+        OnPropertyChanged(nameof(HasSuggestedAddress));
+        ApplySuggestedAddressCommand.NotifyCanExecuteChanged();
     }
 
 

src/PostIt/PostIt/Views/Commands/RdvPage.axaml

@@ -7,7 +7,7 @@
              x:DataType="cvm:RdvViewModel"
              Header="Commande billing">
   <ScrollViewer>
-    <Grid RowDefinitions="Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto" ColumnDefinitions="Auto,*" Margin="12">
+    <Grid RowDefinitions="Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto" ColumnDefinitions="Auto,*" Margin="12">
       <TextBlock Grid.Row="0" Grid.ColumnSpan="2"
                  Text="{Binding Title}"
                  FontSize="18"
@@ -41,6 +41,21 @@
       <TextBox Grid.Row="6" Grid.Column="1" Text="{Binding Address, Mode=TwoWay}" Margin="0,0,0,8" />
 
       <Grid Grid.Row="7"
+        Grid.ColumnSpan="2"
+        ColumnDefinitions="*,12,Auto"
+        Margin="0,0,0,8"
+        IsVisible="{Binding HasSuggestedAddress}">
+        <TextBlock Grid.Column="0"
+           VerticalAlignment="Center"
+           Text="{Binding SuggestedAddress, StringFormat='Adresse suggérée: {0}'}"
+           TextWrapping="Wrap"
+           Opacity="0.8" />
+        <Button Grid.Column="2"
+            Content="Utiliser"
+            Command="{Binding ApplySuggestedAddressCommand}" />
+      </Grid>
+
+        <Grid Grid.Row="8"
             Grid.ColumnSpan="2"
             ColumnDefinitions="Auto,12,Auto"
             Margin="0,0,0,8">
@@ -55,37 +70,37 @@
           IsEnabled="{Binding CanUseCurrentLocation}" />
             </Grid>
 
-      <TextBlock Grid.Row="8" Text="Latitude" VerticalAlignment="Center" Margin="0,0,12,8" />
-      <TextBox Grid.Row="8" Grid.Column="1" Text="{Binding Latitude, Mode=TwoWay}" PlaceholderText="Optionnel" Margin="0,0,0,8" />
+            <TextBlock Grid.Row="9" Text="Latitude" VerticalAlignment="Center" Margin="0,0,12,8" />
+            <TextBox Grid.Row="9" Grid.Column="1" Text="{Binding Latitude, Mode=TwoWay}" PlaceholderText="Optionnel" Margin="0,0,0,8" />
 
-      <TextBlock Grid.Row="9" Text="Longitude" VerticalAlignment="Center" Margin="0,0,12,8" />
-      <TextBox Grid.Row="9" Grid.Column="1" Text="{Binding Longitude, Mode=TwoWay}" PlaceholderText="Optionnel" Margin="0,0,0,8" />
+            <TextBlock Grid.Row="10" Text="Longitude" VerticalAlignment="Center" Margin="0,0,12,8" />
+            <TextBox Grid.Row="10" Grid.Column="1" Text="{Binding Longitude, Mode=TwoWay}" PlaceholderText="Optionnel" Margin="0,0,0,8" />
 
-      <TextBlock Grid.Row="10" Grid.ColumnSpan="2"
+            <TextBlock Grid.Row="11" Grid.ColumnSpan="2"
              Text="Carte: cliquez pour positionner le rendez-vous"
              Margin="0,0,0,8"
              Opacity="0.85" />
-      <mapsui:MapControl Grid.Row="11"
+            <mapsui:MapControl Grid.Row="12"
              Grid.ColumnSpan="2"
              x:Name="LocationMap"
              Height="260"
              Margin="0,0,0,8" />
 
-      <TextBlock Grid.Row="12"
+            <TextBlock Grid.Row="13"
                  Text="Informations"
                  VerticalAlignment="Center"
                  Margin="0,0,12,8" />
-      <TextBox Grid.Row="12"
+            <TextBox Grid.Row="13"
                Grid.Column="1"
                Text="{Binding AdditionalInfo, Mode=TwoWay}"
                Margin="0,0,0,8" />
 
-      <CheckBox Grid.Row="13" Grid.ColumnSpan="2"
+            <CheckBox Grid.Row="14" Grid.ColumnSpan="2"
                 Content="Je consens à la création de cette commande"
                 IsChecked="{Binding Consent, Mode=TwoWay}"
                 Margin="0,4,0,12" />
 
-      <Grid Grid.Row="14" Grid.ColumnSpan="2" ColumnDefinitions="Auto,12,*,Auto">
+            <Grid Grid.Row="15" Grid.ColumnSpan="2" ColumnDefinitions="Auto,12,*,Auto">
         <Button Grid.Column="0"
                 Content="{Binding SubmitLabel}"
                 Command="{Binding SubmitCommand}"