feat: add resilient reconnect and catch-up replay

tests/SuiteLink.Client.Tests/SuiteLinkConnectionOptionsTests.cs

@@ -98,6 +98,37 @@ public sealed class SuiteLinkConnectionOptionsTests
         Assert.Equal("America/Indiana/Indianapolis", options.Timezone);
     }
 
+    [Fact]
+    public void Constructor_DefaultsRuntimeOptions()
+    {
+        var options = Create();
+
+        Assert.NotNull(options.Runtime);
+        Assert.Equal(SuiteLinkCatchUpPolicy.None, options.Runtime.CatchUpPolicy);
+        Assert.NotNull(options.Runtime.RetryPolicy);
+        Assert.Equal(TimeSpan.FromSeconds(2), options.Runtime.CatchUpTimeout);
+    }
+
+    [Fact]
+    public void Constructor_RuntimeWithNullRetryPolicy_ThrowsArgumentNullException()
+    {
+        Assert.Throws<ArgumentNullException>(() => Create(runtime: new SuiteLinkRuntimeOptions(
+            retryPolicy: null!,
+            catchUpPolicy: SuiteLinkCatchUpPolicy.None,
+            catchUpTimeout: TimeSpan.FromSeconds(2))));
+    }
+
+    [Theory]
+    [InlineData(0)]
+    [InlineData(-1)]
+    public void Constructor_RuntimeWithNonPositiveCatchUpTimeout_ThrowsArgumentOutOfRangeException(int seconds)
+    {
+        Assert.Throws<ArgumentOutOfRangeException>(() => Create(runtime: new SuiteLinkRuntimeOptions(
+            retryPolicy: SuiteLinkRetryPolicy.Default,
+            catchUpPolicy: SuiteLinkCatchUpPolicy.None,
+            catchUpTimeout: TimeSpan.FromSeconds(seconds))));
+    }
+
     private static SuiteLinkConnectionOptions Create(
         string host = "127.0.0.1",
         string application = "TestApp",
@@ -107,7 +138,8 @@ public sealed class SuiteLinkConnectionOptionsTests
         string userName = "User",
         string serverNode = "Server",
         string? timezone = null,
-        int port = 5413)
+        int port = 5413,
+        SuiteLinkRuntimeOptions? runtime = null)
     {
         return new SuiteLinkConnectionOptions(
             host,
@@ -118,6 +150,7 @@ public sealed class SuiteLinkConnectionOptionsTests
             userName,
             serverNode,
             timezone,
-            port);
+            port,
+            runtime);
     }
 }