Refactoring: Rename Language to LanguageServerId

This resolves a long-standing naming issue in Serena & SolidLSP.

test/solidlsp/latex/test_latex_basic.py

@@ -4,14 +4,14 @@ import pytest
 
 from serena.symbol import LanguageServerSymbol
 from solidlsp import SolidLanguageServer
-from solidlsp.ls_config import Language
+from solidlsp.ls_config import LanguageServerId
 
 
 @pytest.mark.latex
 class TestLatexLanguageServerBasics:
     """Basic functionality of the LaTeX (texlab) language server."""
 
-    @pytest.mark.parametrize("language_server", [Language.LATEX], indirect=True)
+    @pytest.mark.parametrize("language_server", [LanguageServerId.LATEX], indirect=True)
     def test_document_symbols_are_sections(self, language_server: SolidLanguageServer) -> None:
         """Sectioning commands should surface as document symbols."""
         symbols, _roots = language_server.request_document_symbols("main.tex").get_all_symbols_and_roots()
@@ -21,14 +21,14 @@ class TestLatexLanguageServerBasics:
         for expected in ("Introduction", "Methods", "Conclusion"):
             assert expected in names, f"Expected section '{expected}' among document symbols, got: {sorted(names)}"
 
-    @pytest.mark.parametrize("language_server", [Language.LATEX], indirect=True)
+    @pytest.mark.parametrize("language_server", [LanguageServerId.LATEX], indirect=True)
     def test_subsection_symbol_present(self, language_server: SolidLanguageServer) -> None:
         """A nested subsection should also be exposed as a symbol."""
         symbols, _roots = language_server.request_document_symbols("main.tex").get_all_symbols_and_roots()
         names = {s.get("name", "") for s in symbols}
         assert "Implementation Details" in names, f"Expected the subsection symbol, got: {sorted(names)}"
 
-    @pytest.mark.parametrize("language_server", [Language.LATEX], indirect=True)
+    @pytest.mark.parametrize("language_server", [LanguageServerId.LATEX], indirect=True)
     def test_subsection_name_path_nests_under_section(self, language_server: SolidLanguageServer) -> None:
         """A subsection's name path nests under its parent section ("section/subsection")."""
         _symbols, roots = language_server.request_document_symbols("main.tex").get_all_symbols_and_roots()