Refactor DevTool constructors and include WebGateway in solution

Journal.DevTool/Tui/App.cs

@@ -10,27 +10,19 @@ internal sealed record MenuItem(string Display, string Value);
 public enum AppExitReason { Quit, SwitchProject }
 public sealed record AppResult(AppExitReason Reason, string? NewProjectRoot = null);
 
-public sealed class App
-{
-    private DevToolConfig _config;
-    private string _projectRoot;
-    private readonly WorkspaceConfig? _workspace;
-    private readonly string? _workspaceRoot;
-
-    private IReadOnlyDictionary<string, BuildTarget> TargetMap =>
-        _config.Targets.ToDictionary(t => t.Id, StringComparer.OrdinalIgnoreCase);
-
-    public App(
+public sealed class App(
     DevToolConfig config,
     string projectRoot,
     WorkspaceConfig? workspace = null,
     string? workspaceRoot = null)
 {
-        _config = config;
-        _projectRoot = projectRoot;
-        _workspace = workspace;
-        _workspaceRoot = workspaceRoot;
-    }
+    private DevToolConfig _config = config;
+    private string _projectRoot = projectRoot;
+    private readonly WorkspaceConfig? _workspace = workspace;
+    private readonly string? _workspaceRoot = workspaceRoot;
+
+    private IReadOnlyDictionary<string, BuildTarget> TargetMap =>
+        _config.Targets.ToDictionary(t => t.Id, StringComparer.OrdinalIgnoreCase);
 
     public async Task<AppResult> RunAsync()
     {

Journal.DevTool/Tui/ToolchainScreen.cs

@@ -5,16 +5,10 @@ using Spectre.Console;
 
 namespace Sdt.Tui;
 
-public sealed class ToolchainScreen
+public sealed class ToolchainScreen(DevToolConfig config, string projectRoot)
 {
-    private readonly DevToolConfig _config;
-    private readonly string _projectRoot;
-
-    public ToolchainScreen(DevToolConfig config, string projectRoot)
-    {
-        _config = config;
-        _projectRoot = projectRoot;
-    }
+    private readonly DevToolConfig _config = config;
+    private readonly string _projectRoot = projectRoot;
 
     public async Task RunAsync()
     {
@@ -263,7 +257,7 @@ public sealed class ToolchainScreen
 
     // ── Helpers ───────────────────────────────────────────────────────────────
 
-    private string ResolvePythonExe(PythonToolchain py)
+    private static string ResolvePythonExe(PythonToolchain py)
     {
         if (OperatingSystem.IsWindows() && !string.IsNullOrWhiteSpace(py.WindowsExecutable))
             return py.WindowsExecutable;

Journal.DevTool/Tui/WorkspaceScreen.cs

@@ -3,18 +3,11 @@ using Spectre.Console;
 
 namespace Sdt.Tui;
 
-public sealed class WorkspaceScreen
+public sealed class WorkspaceScreen(WorkspaceConfig workspace, string workspaceRoot, string currentProjectRoot)
 {
-    private readonly WorkspaceConfig _workspace;
-    private readonly string _workspaceRoot;
-    private readonly string _currentProjectRoot;
-
-    public WorkspaceScreen(WorkspaceConfig workspace, string workspaceRoot, string currentProjectRoot)
-    {
-        _workspace = workspace;
-        _workspaceRoot = workspaceRoot;
-        _currentProjectRoot = currentProjectRoot;
-    }
+    private readonly WorkspaceConfig _workspace = workspace;
+    private readonly string _workspaceRoot = workspaceRoot;
+    private readonly string _currentProjectRoot = currentProjectRoot;
 
     /// <summary>
     /// Shows the project switcher. Returns the absolute path to the selected project root,

Journal.WebGateway/Program.cs

@@ -67,11 +67,11 @@ app.MapPost("/api/command", async (CommandEnvelope? command, Entry entry) =>
 
 app.MapGet("/api/sidecar/root", (SidecarRootState rootState) =>
 {
-    var snapshot = rootState.Get();
+    var (root, isCustom) = rootState.Get();
     return Results.Ok(new
     {
-        root = snapshot.Root,
-        isCustom = snapshot.IsCustom
+        root,
+        isCustom
     });
 });
 
@@ -84,12 +84,12 @@ app.MapPost("/api/sidecar/root", (SetSidecarRootRequest? request, SidecarRootSta
     }
 
     rootState.Set(path);
-    var snapshot = rootState.Get();
-    Environment.SetEnvironmentVariable("JOURNAL_PROJECT_ROOT", snapshot.Root);
+    var (root, isCustom) = rootState.Get();
+    Environment.SetEnvironmentVariable("JOURNAL_PROJECT_ROOT", root);
     return Results.Ok(new
     {
-        root = snapshot.Root,
-        isCustom = snapshot.IsCustom
+        root,
+        isCustom
     });
 });
 
@@ -207,32 +207,20 @@ string ResolveWebDist(string repoRootPath)
 string ErrorResponse(string message)
     => JsonSerializer.Serialize(new { ok = false, error = message }, gatewayJsonOptions);
 
-sealed class WebUiState
+sealed class WebUiState(string distPath)
 {
-    public WebUiState(string distPath)
-    {
-        DistPath = distPath;
-    }
-
-    public string DistPath { get; }
+    public string DistPath { get; } = distPath;
 
     public bool Exists => Directory.Exists(DistPath) && File.Exists(Path.Combine(DistPath, "index.html"));
 }
 
-sealed class SidecarRootState
+sealed class SidecarRootState(string autoRoot)
 {
     private readonly object _sync = new();
-    private readonly string _autoRoot;
-    private string _currentRoot;
+    private readonly string _autoRoot = autoRoot;
+    private string _currentRoot = autoRoot;
     private bool _isCustom;
 
-    public SidecarRootState(string autoRoot)
-    {
-        _autoRoot = autoRoot;
-        _currentRoot = autoRoot;
-        _isCustom = false;
-    }
-
     public (string Root, bool IsCustom) Get()
     {
         lock (_sync)
@@ -272,5 +260,3 @@ sealed class CommandEnvelope
     public string? Tag { get; set; }
     public JsonElement? Payload { get; set; }
 }
-
-

Journal.slnx

@@ -3,4 +3,5 @@
   <Project Path="Journal.Sidecar/Journal.Sidecar.csproj" />
   <Project Path="Journal.SmokeTests/Journal.SmokeTests.csproj" />
   <Project Path="Journal.DevTool/Journal.DevTool.csproj" />
+  <Project Path="Journal.WebGateway/Journal.WebGateway.csproj" />
 </Solution>