feat: update lsp_client and tests

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: Lukas Geiger

features/lsp_client.py

@@ -323,7 +323,8 @@ def stop_all(self):
     def get_available_servers(self) -> List[str]:
         """Gibt eine Liste der verfügbaren LSP-Server zurück."""
         available = []
-        for lang, config in LSP_SERVERS.items():
-            if shutil.which(config["check"]):
+        for lang in LSP_SERVERS:
+            client = LSPClient(lang, self.root_path)
+            if client.is_available():
                 available.append(lang)
         return available

tests/test_lsp_client.py

@@ -1,7 +1,7 @@
 import unittest
 from unittest.mock import patch
 
-from features.lsp_client import LSPClient
+from features.lsp_client import LSPClient, LSPManager
 
 
 class LSPClientCommandResolutionTests(unittest.TestCase):
@@ -32,6 +32,19 @@ def test_unavailable_when_no_executable_or_module_exists(self):
             self.assertFalse(client.is_available())
             self.assertIsNone(client._resolve_command())
 
+    def test_available_servers_uses_module_fallback(self):
+        manager = LSPManager()
+
+        def mock_which(_):
+            return None
+
+        def mock_find_spec(name):
+            return object() if name == "pylsp" else None
+
+        with patch("features.lsp_client.shutil.which", side_effect=mock_which), \
+                patch("features.lsp_client.importlib.util.find_spec", side_effect=mock_find_spec):
+            self.assertEqual(manager.get_available_servers(), ["Python"])
+
     def test_unknown_language_is_unavailable(self):
         client = LSPClient("Unknown")