Add project files.

.claudiaideconfig

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+{
+  "BackgroundImageAbsolutePath": "C:\\Users\\Hephaestus\\Pictures\\elephant meets seal.jpg",
+  "BackgroundImagesDirectoryAbsolutePath": "c:\\users\\hephaestus\\appdata\\local\\microsoft\\visualstudio\\17.0_0c0dd023\\extensions\\yhitju51.knt\\Images",
+  "ExpandToIDE": true,
+  "Extensions": ".png, .jpg, .gif, .bmp",
+  "ImageBackgroundType": 0,
+  "ImageFadeAnimationInterval": "PT5S",
+  "ImageStretch": 3,
+  "IsLimitToMainlyEditorWindow": false,
+  "LoopSlideshow": true,
+  "MaxHeight": 0,
+  "MaxWidth": 0,
+  "Opacity": 0.1,
+  "PositionHorizon": 0,
+  "PositionVertical": 1,
+  "ShuffleSlideshow": false,
+  "SoftEdgeX": 0,
+  "SoftEdgeY": 0,
+  "TileMode": 0,
+  "UpdateImageInterval": "PT1M",
+  "ViewBoxPointX": 0,
+  "ViewBoxPointY": 0,
+  "ViewPortHeight": 1,
+  "ViewPortPointX": 0,
+  "ViewPortPointY": 0,
+  "ViewPortWidth": 1
+}

ForgetMeLock.Backend/Data/NoteContext.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Microsoft.EntityFrameworkCore;
+
+namespace ForgetMeLock.Backend.Data
+{
+    public class NoteContext
+    {
+
+    }
+}

ForgetMeLock.Backend/ForgetMeLock.Backend.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+	<PropertyGroup>
+		<TargetFramework>net6.0</TargetFramework>
+		<ImplicitUsings>enable</ImplicitUsings>
+		<Nullable>enable</Nullable>
+	</PropertyGroup>
+
+	<ItemGroup>
+		<PackageReference Include="CommunityToolkit.Mvvm" Version="8.0.0-preview3" />
+		<PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.0-preview.4.22229.2" />
+		<PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="7.0.0-preview.4.22229.2" />
+	</ItemGroup>
+
+</Project>

ForgetMeLock.Backend/Model/Category.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ForgetMeLock.Backend.Model
+{
+    public class Category
+    {
+
+    }
+}

ForgetMeLock.Backend/Model/Mood.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ForgetMeLock.Backend.Model
+{
+    public enum Mood
+    {
+        Happy,
+        Sad,
+        Worried,
+        Angry,
+        Frustrated,
+        Lovestruck,
+        Exhausted
+    }
+}

ForgetMeLock.Backend/Model/Note.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ForgetMeLock.Backend.Model
+{
+    public class Note
+    {
+        public int Id { get; set; }
+        public string? Title { get; set; }
+        public DateTime DueTime { get; set; }
+        public DateTime Created { get; set; } = DateTime.Now;
+        public string? Content { get; set; } = string.Empty;
+        public Mood? StateOfMind { get; set; }
+
+
+    }
+}

ForgetMeLock.Backend/Services/SqliteDS.cs

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+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using ForgetMeLock.Backend.Model;
+using ForgetMeLock.Backend.Data;
+
+namespace ForgetMeLock.Backend.Services
+{
+    public class SqliteDS
+    {
+        private readonly NoteContext context;
+
+        public SqliteDS (NoteContext dbContext)
+        {
+            this.context = dbContext;
+            this.context.Database.EnsureCreated();
+        }
+
+        public IEnumerable<Note> GetAll()
+        {
+            return this.context.Notes.AsEnumerable();
+        }
+
+        public async Task<Note> GetByIdAsync(int id)
+        {
+            return await this.context.Notes.Where(e => e.Id == id).FirstOrDefaultAsync();
+        }
+
+        public async Task UpsertAsync(Note note)
+        {
+            //obviously this forbids last name changes
+            await this.context.Notes.Upsert(note).On(e => new { e.FirstName, e.LastName }).RunAsync();
+
+        }
+
+        public async Task DeleteAsync(int id)
+        {
+            var note = await GetByIdAsync(id);
+            if (note != null)
+            {
+                this.context.Notes.Remove(note);
+                await this.context.SaveChangesAsync();
+            }
+            else
+            {
+                Debug.WriteLine($"Failed to delete id {id}");
+            }
+        }
+    }
+}

ForgetMeLock.Backend/ViewModels/InputViewModel.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ForgetMeLock.Backend.ViewModels
+{
+    public class InputViewModel
+    {
+
+    }
+}

ForgetMeLock.Backend/ViewModels/NotesDueViewModel.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+
+namespace ForgetMeLock.Backend.ViewModels
+{
+    internal class NotesDueViewModel
+    {
+    }
+}

ForgetMeLock.Backend/ViewModels/ObservableNote.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using ForgetMeLock.Backend.Model;
+using CommunityToolkit.Mvvm.ComponentModel;
+
+namespace ForgetMeLock.Backend.ViewModels
+{
+    public partial class ObservableNote : ObservableObject
+    {
+        private readonly Note note;
+        public ObservableNote(Note note) => this.note = note;
+
+        [ObservableProperty]
+        private int id;
+        [ObservableProperty]
+        private string? title;
+        [ObservableProperty]
+        private DateTime dueTime;
+        [ObservableProperty]
+        private DateTime created;
+        [ObservableProperty]
+        private Mood stateOfMind;
+
+
+
+
+    }
+}

ForgetMeLock.UI/App.xaml

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+<Application
+    x:Class="ForgetMeLock.UI.App"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:local="using:ForgetMeLock.UI">
+    <Application.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <XamlControlsResources xmlns="using:Microsoft.UI.Xaml.Controls" />
+                <!-- Other merged dictionaries here -->
+            </ResourceDictionary.MergedDictionaries>
+            <!-- Other app resources here -->
+        </ResourceDictionary>
+    </Application.Resources>
+</Application>

ForgetMeLock.UI/App.xaml.cs

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+using Microsoft.UI.Xaml;
+using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Controls.Primitives;
+using Microsoft.UI.Xaml.Data;
+using Microsoft.UI.Xaml.Input;
+using Microsoft.UI.Xaml.Media;
+using Microsoft.UI.Xaml.Navigation;
+using Microsoft.UI.Xaml.Shapes;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Runtime.InteropServices.WindowsRuntime;
+using Windows.ApplicationModel;
+using Windows.ApplicationModel.Activation;
+using Windows.Foundation;
+using Windows.Foundation.Collections;
+
+// To learn more about WinUI, the WinUI project structure,
+// and more about our project templates, see: http://aka.ms/winui-project-info.
+
+namespace ForgetMeLock.UI
+{
+    /// <summary>
+    /// Provides application-specific behavior to supplement the default Application class.
+    /// </summary>
+    public partial class App : Application
+    {
+        /// <summary>
+        /// Initializes the singleton application object.  This is the first line of authored code
+        /// executed, and as such is the logical equivalent of main() or WinMain().
+        /// </summary>
+        public App()
+        {
+            this.InitializeComponent();
+        }
+
+        /// <summary>
+        /// Invoked when the application is launched normally by the end user.  Other entry points
+        /// will be used such as when the application is launched to open a specific file.
+        /// </summary>
+        /// <param name="args">Details about the launch request and process.</param>
+        protected override void OnLaunched(Microsoft.UI.Xaml.LaunchActivatedEventArgs args)
+        {
+            m_window = new MainWindow();
+            m_window.Activate();
+        }
+
+        private Window m_window;
+    }
+}

ForgetMeLock.UI/ForgetMeLock.UI.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+	<PropertyGroup>
+		<OutputType>WinExe</OutputType>
+		<TargetFramework>net6.0-windows10.0.19041.0</TargetFramework>
+		<TargetPlatformMinVersion>10.0.17763.0</TargetPlatformMinVersion>
+		<RootNamespace>ForgetMeLock.UI</RootNamespace>
+		<ApplicationManifest>app.manifest</ApplicationManifest>
+		<Platforms>x86;x64;arm64</Platforms>
+		<RuntimeIdentifiers>win10-x86;win10-x64;win10-arm64</RuntimeIdentifiers>
+		<PublishProfile>win10-$(Platform).pubxml</PublishProfile>
+		<UseWinUI>true</UseWinUI>
+		<EnablePreviewMsixTooling>true</EnablePreviewMsixTooling>
+		<DefaultLanguage>en</DefaultLanguage>
+	</PropertyGroup>
+	<ItemGroup>
+		<None Remove="UserControls\MarkdownInputBox.xaml" />
+		<None Remove="Views\InputPage.xaml" />
+		<None Remove="Views\NotesDuePage.xaml" />
+	</ItemGroup>
+
+	<ItemGroup>
+		<Content Include="Assets\SplashScreen.scale-200.png" />
+		<Content Include="Assets\LockScreenLogo.scale-200.png" />
+		<Content Include="Assets\Square150x150Logo.scale-200.png" />
+		<Content Include="Assets\Square44x44Logo.scale-200.png" />
+		<Content Include="Assets\Square44x44Logo.targetsize-24_altform-unplated.png" />
+		<Content Include="Assets\StoreLogo.png" />
+		<Content Include="Assets\Wide310x150Logo.scale-200.png" />
+	</ItemGroup>
+
+	<ItemGroup>
+		<PackageReference Include="CommunityToolkit.Mvvm" Version="8.0.0-preview3" />
+		<PackageReference Include="CommunityToolkit.WinUI.UI.Controls" Version="7.1.2" />
+		<PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.0-preview.4.22229.2" />
+		<PackageReference Include="Microsoft.WindowsAppSDK" Version="1.0.0" />
+		<PackageReference Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.22000.194" />
+		<Manifest Include="$(ApplicationManifest)" />
+	</ItemGroup>
+
+	<!-- Defining the "Msix" ProjectCapability here allows the Single-project MSIX Packaging
+	   Tools extension to be activated for this project even if the Windows App SDK Nuget
+	   package has not yet been restored -->
+	<ItemGroup Condition="'$(DisableMsixProjectCapabilityAddedByProject)'!='true' and '$(EnablePreviewMsixTooling)'=='true'">
+		<ProjectCapability Include="Msix" />
+	</ItemGroup>
+	<ItemGroup>
+	  <ProjectReference Include="..\ForgetMeLock.Backend\ForgetMeLock.Backend.csproj" />
+	</ItemGroup>
+	<ItemGroup>
+		<Page Update="Views\NotesDuePage.xaml">
+			<Generator>MSBuild:Compile</Generator>
+		</Page>
+	</ItemGroup>
+	<ItemGroup>
+		<Page Update="Views\InputPage.xaml">
+			<Generator>MSBuild:Compile</Generator>
+		</Page>
+	</ItemGroup>
+	<ItemGroup>
+		<Page Update="UserControls\MarkdownInputBox.xaml">
+			<Generator>MSBuild:Compile</Generator>
+		</Page>
+	</ItemGroup>
+</Project>

ForgetMeLock.UI/MainWindow.xaml

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+<Window
+    x:Class="ForgetMeLock.UI.MainWindow"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:local="using:ForgetMeLock.UI"
+    xmlns:views="using:ForgetMeLock.UI.Views"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    mc:Ignorable="d">
+    <views:NotesDuePage/>
+
+</Window>