Add test coverage for TyClient and PyreflyClient, improve example documentation

Co-authored-by: observerw <[email protected]>

Author: Copilot

examples/default_configuration.py

@@ -92,14 +92,16 @@ def example_inspecting_defaults():
         if config_map and config_map.has_global_config():
             print(f"✓ {client_cls.__name__} has default configuration")
 
-            # Try to find inlay hints config
+            # Try to find configuration - inlay hints for most clients,
+            # or other features like diagnostics for clients without inlay hints
             for section in [
                 "rust-analyzer.inlayHints",
                 "gopls.hints",
                 "python.analysis.inlayHints",
                 "typescript.inlayHints",
                 "deno.inlayHints",
                 "pyrefly.inlayHints",
+                "ty.diagnostics",  # TyClient uses diagnostics instead of inlay hints
             ]:
                 value = config_map.get(None, section)
                 if value is not None:

tests/test_default_configuration.py

@@ -145,3 +145,30 @@ def test_deno_default_config_has_inlay_hints():
     assert config_map is not None
     config = config_map.get(None, "deno.inlayHints")
     assert config is not None, "deno should have inlay hints configuration"
+
+
+def test_pyrefly_default_config_has_inlay_hints():
+    """Test that pyrefly default config enables inlay hints."""
+    from lsp_client.clients.pyrefly import PyreflyClient
+
+    client = PyreflyClient()
+    config_map = client.create_default_configuration_map()
+
+    assert config_map is not None
+    config = config_map.get(None, "pyrefly.inlayHints")
+    assert config is not None, "pyrefly should have inlay hints configuration"
+    assert isinstance(config, dict), "pyrefly inlay hints should be a dict"
+
+
+def test_ty_default_config_has_diagnostics():
+    """Test that ty default config enables diagnostics and completion."""
+    from lsp_client.clients.ty import TyClient
+
+    client = TyClient()
+    config_map = client.create_default_configuration_map()
+
+    assert config_map is not None
+    diagnostics = config_map.get(None, "ty.diagnostics")
+    assert diagnostics is not None, "ty should have diagnostics configuration"
+    completion = config_map.get(None, "ty.completion")
+    assert completion is not None, "ty should have completion configuration"