feat(secrets-cli): launch interactive console on bare secret in a TTY

ZB.MOM.WW.Secrets/src/ZB.MOM.WW.Secrets.Cli/Interactive/InteractiveEntry.cs

@@ -0,0 +1,62 @@
+using Spectre.Console;
+using ZB.MOM.WW.Secrets.Cli.Interactive.Flows;
+
+namespace ZB.MOM.WW.Secrets.Cli.Interactive;
+
+/// <summary>
+/// Composition root for the interactive console: the non-TTY gate that decides whether a bare
+/// <c>secret</c> invocation launches the console, and the default wiring (flow set, recents store,
+/// target reader, session factory) that <see cref="Program"/> hands to an <see cref="InteractiveShell"/>.
+/// </summary>
+public static class InteractiveEntry
+{
+    /// <summary>
+    /// Whether a bare <c>secret</c> invocation should launch the interactive console. True only when no
+    /// verb was supplied AND neither standard stream is redirected — a redirected stdin/stdout means the
+    /// invocation is scripted/piped, where the console's prompts would hang or corrupt the pipe, so the
+    /// caller falls through to headless usage instead.
+    /// </summary>
+    /// <param name="args">The process command-line arguments.</param>
+    /// <param name="inputRedirected"><see cref="Console.IsInputRedirected"/> at process start.</param>
+    /// <param name="outputRedirected"><see cref="Console.IsOutputRedirected"/> at process start.</param>
+    public static bool ShouldEnterInteractive(string[] args, bool inputRedirected, bool outputRedirected)
+        => args.Length == 0 && !inputRedirected && !outputRedirected;
+
+    /// <summary>
+    /// Builds the ordered flow set the shell is wired with — one instance of each menu action, in the
+    /// order they appear on the menu. Exposed (and used by <see cref="CreateShell"/>) so the composition
+    /// is assertable without running the shell.
+    /// </summary>
+    public static IReadOnlyList<IInteractiveFlow> CreateFlows() =>
+    [
+        new ListSecretsFlow(),
+        new SetSecretFlow(),
+        new RevealSecretFlow(),
+        new DeleteSecretFlow(),
+        new ReferenceAuditFlow(),
+        new KekDoctorFlow(),
+        new BundleExportFlow(),
+        new BundleImportFlow(),
+    ];
+
+    /// <summary>
+    /// Wires an <see cref="InteractiveShell"/> with its default collaborators: a per-user recents store
+    /// under <c>~/.zb-secrets/recent-targets.json</c>, the target-config reader, the session factory, and
+    /// <see cref="CreateFlows"/>. The shell's own ctor re-validates flow-title uniqueness.
+    /// </summary>
+    /// <param name="console">The console surface the shell (and its flows) render to.</param>
+    public static InteractiveShell CreateShell(IAnsiConsole console)
+    {
+        string recentsPath = Path.Combine(
+            Environment.GetFolderPath(Environment.SpecialFolder.UserProfile),
+            ".zb-secrets",
+            "recent-targets.json");
+
+        return new InteractiveShell(
+            console,
+            new RecentTargetsStore(recentsPath),
+            new TargetConfigReader(),
+            new SecretsSessionFactory(),
+            CreateFlows());
+    }
+}

ZB.MOM.WW.Secrets/src/ZB.MOM.WW.Secrets.Cli/Program.cs

@@ -1,8 +1,10 @@
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
+using Spectre.Console;
 using ZB.MOM.WW.Secrets.Abstractions;
 using ZB.MOM.WW.Secrets.Cli;
+using ZB.MOM.WW.Secrets.Cli.Interactive;
 using ZB.MOM.WW.Secrets.DependencyInjection;
 using ZB.MOM.WW.Secrets.MasterKey;
 
@@ -10,6 +12,12 @@ using ZB.MOM.WW.Secrets.MasterKey;
 // The heavy lifting lives in SecretCommands; Program only builds the host, runs the schema
 // migration, parses the verb + positional args, and dispatches.
 
+// A bare `secret` on a real TTY launches the interactive console, which builds its OWN per-target
+// sessions — so this must run BEFORE the host build + schema migration below, which the headless
+// verbs (and only they) require against the CLI's own appsettings-configured store and KEK.
+if (InteractiveEntry.ShouldEnterInteractive(args, Console.IsInputRedirected, Console.IsOutputRedirected))
+    return await InteractiveEntry.CreateShell(AnsiConsole.Console).RunAsync(CancellationToken.None);
+
 HostApplicationBuilder builder = Host.CreateApplicationBuilder(args);
 builder.Configuration
     .AddJsonFile("appsettings.json", optional: true)

ZB.MOM.WW.Secrets/tests/ZB.MOM.WW.Secrets.Tests/Cli/Interactive/InteractiveEntryTests.cs

@@ -0,0 +1,57 @@
+using Spectre.Console.Testing;
+using ZB.MOM.WW.Secrets.Cli.Interactive;
+
+namespace ZB.MOM.WW.Secrets.Tests.Cli.Interactive;
+
+/// <summary>
+/// Pins the composition root of the interactive console: the non-TTY gate that decides whether a bare
+/// <c>secret</c> invocation launches the console, and the exact flow set (order + uniqueness) the shell
+/// is wired with. These are the two things Program.cs delegates to, so they are asserted here directly
+/// rather than by driving the whole shell.
+/// </summary>
+public sealed class InteractiveEntryTests
+{
+    [Theory]
+    // Only a bare invocation on a real TTY (neither stream redirected) enters the interactive console.
+    [InlineData(new string[0], false, false, true)]
+    [InlineData(new string[0], true, false, false)]
+    [InlineData(new string[0], false, true, false)]
+    [InlineData(new string[0], true, true, false)]
+    [InlineData(new[] { "list" }, false, false, false)]
+    public void ShouldEnterInteractive_true_only_for_no_args_and_real_tty(
+        string[] args, bool inputRedirected, bool outputRedirected, bool expected)
+    {
+        Assert.Equal(
+            expected,
+            InteractiveEntry.ShouldEnterInteractive(args, inputRedirected, outputRedirected));
+    }
+
+    [Fact]
+    public void CreateShell_composes_all_flows_exactly_once()
+    {
+        // CreateShell must succeed — its InteractiveShell ctor re-validates flow-title uniqueness, so a
+        // duplicate or reserved collision would throw here.
+        InteractiveShell shell = InteractiveEntry.CreateShell(new TestConsole());
+        Assert.NotNull(shell);
+
+        // The composed flow set is asserted through the same seam CreateShell uses.
+        string[] titles = InteractiveEntry.CreateFlows().Select(f => f.Title).ToArray();
+
+        Assert.Equal(
+            new[]
+            {
+                "List secrets",
+                "Set / rotate a secret",
+                "Get (reveal) a secret",
+                "Delete a secret",
+                "Reference audit & seed",
+                "KEK doctor (lockout recovery)",
+                "Export bundle (ciphertext-only)",
+                "Import bundle",
+            },
+            titles);
+
+        // Each title appears exactly once.
+        Assert.Equal(titles.Length, titles.Distinct(StringComparer.Ordinal).Count());
+    }
+}