refactor(worker): OnlineTokenStore zu DpapiTokenStore verallgemeinert

tests/ClaudeDo.Worker.Tests/Tickets/DpapiTokenStoreTests.cs

@@ -0,0 +1,45 @@
+using ClaudeDo.Worker;
+
+namespace ClaudeDo.Worker.Tests.Tickets;
+
+public sealed class DpapiTokenStoreTests : IDisposable
+{
+    private readonly string _dir = Path.Combine(Path.GetTempPath(), "cdo-tok-" + Guid.NewGuid().ToString("N"));
+
+    [Fact]
+    public void Save_and_read_round_trip()
+    {
+        var store = new DpapiTokenStore(Path.Combine(_dir, "ticket.pat"));
+        store.Save("tsp_secret");
+        Assert.Equal("tsp_secret", store.Read());
+    }
+
+    [Fact]
+    public void Read_returns_null_when_missing()
+        => Assert.Null(new DpapiTokenStore(Path.Combine(_dir, "nope.pat")).Read());
+
+    [Fact]
+    public void Two_stores_with_different_files_do_not_share_state()
+    {
+        var a = new DpapiTokenStore(Path.Combine(_dir, "a.token"));
+        var b = new DpapiTokenStore(Path.Combine(_dir, "b.token"));
+        a.Save("aaa");
+        b.Save("bbb");
+        Assert.Equal("aaa", a.Read());
+        Assert.Equal("bbb", b.Read());
+    }
+
+    [Fact]
+    public void Clear_removes_the_file()
+    {
+        var store = new DpapiTokenStore(Path.Combine(_dir, "c.token"));
+        store.Save("x");
+        store.Clear();
+        Assert.Null(store.Read());
+    }
+
+    public void Dispose()
+    {
+        if (Directory.Exists(_dir)) Directory.Delete(_dir, recursive: true);
+    }
+}