claude-code: add lsp servers support

tests/modules/programs/claude-code/assertion.nix

@@ -47,7 +47,7 @@
   };
 
   test.asserts.assertions.expected = [
-    "`programs.claude-code.package` cannot be null when `mcpServers` or `enableMcpIntegration` is configured"
+    "`programs.claude-code.package` cannot be null when `mcpServers`, `lspServers`, or `enableMcpIntegration` is configured"
     "Cannot specify both `programs.claude-code.memory.text` and `programs.claude-code.memory.source`"
     "Cannot specify both `programs.claude-code.agents` and `programs.claude-code.agentsDir`"
     "Cannot specify both `programs.claude-code.commands` and `programs.claude-code.commandsDir`"

tests/modules/programs/claude-code/default.nix

@@ -1,6 +1,7 @@
 {
   claude-code-basic = ./basic.nix;
   claude-code-full-config = ./full-config.nix;
+  claude-code-lsp = ./lsp.nix;
   claude-code-mcp = ./mcp.nix;
   claude-code-mcp-integration = ./mcp-integration.nix;
   claude-code-assertion = ./assertion.nix;

tests/modules/programs/claude-code/expected-lsp-wrapper

@@ -0,0 +1,2 @@
+#! /nix/store/00000000000000000000000000000000-bash/bin/bash -e
+exec -a "$0" "/nix/store/00000000000000000000000000000000-claude-code/bin/.claude-wrapped"  "$@"  --plugin-dir /nix/store/00000000000000000000000000000000-claude-code-lsp-plugin

tests/modules/programs/claude-code/lsp.nix

@@ -0,0 +1,38 @@
+{ config, ... }:
+
+{
+  programs.claude-code = {
+    package = config.lib.test.mkStubPackage {
+      name = "claude-code";
+      buildScript = ''
+        mkdir -p $out/bin
+        touch $out/bin/claude
+        chmod 755 $out/bin/claude
+      '';
+    };
+    enable = true;
+
+    lspServers = {
+      go = {
+        command = "gopls";
+        args = [ "serve" ];
+        extensionToLanguage = {
+          ".go" = "go";
+        };
+      };
+      typescript = {
+        command = "typescript-language-server";
+        args = [ "--stdio" ];
+        extensionToLanguage = {
+          ".ts" = "typescript";
+          ".tsx" = "typescriptreact";
+        };
+      };
+    };
+  };
+
+  nmt.script = ''
+    normalizedWrapper=$(normalizeStorePaths home-path/bin/claude)
+    assertFileContent $normalizedWrapper ${./expected-lsp-wrapper}
+  '';
+}