refactor: nest Ruby LSP actions under core.lsp

src/main.rs

@@ -39,7 +39,7 @@ Set VAMP_RUBY to choose the Ruby executable.
 Native LSP is disabled by default: config.lsp[\"rust\"] = true enables a preset
 Custom languages: config.lsp[\"my-language\"] = { command: [...], extensions: [...] }
 LSP commands: :lsp_definition, :lsp_diagnostics, :lsp_hover
-Hover binding: config.bind \"K\", config.core.lsp_hover (no default key)";
+Hover binding: config.bind \"K\", config.core.lsp.hover (no default key)";
 
 struct Options {
     file: Option<PathBuf>,

src/ruby.rs

@@ -873,6 +873,19 @@ end
                 .unwrap_err()
                 .contains("must be a String")
         );
+        for target in [
+            "config.core.lsp_hover",
+            "config.core.lsp_definition",
+            "config.core.lsp_diagnostics",
+            "config.core.lsp.hvoer",
+            "config.core.lsp",
+        ] {
+            let invalid = fixture.file(
+                "invalid_action.rb",
+                &format!("Vamp.configure {{ |config| config.bind 'K', {target} }}"),
+            );
+            assert!(load_config(&invalid).is_err(), "{target}");
+        }
         let invalid = fixture.file("core.rb", "Vamp.plugin 'evil', core: true");
         assert!(RubyPlugin::start(&invalid, &serde_json::json!({})).is_err());
         let invalid = fixture.file("syntax.rb", "this is not valid ruby (");

src/ruby_host.rb

@@ -64,11 +64,22 @@ module Vamp
       copy_system paste_system_before paste_system_after
       select_lines clone_above clone_below select_next skip_occurrence select_all
       file_picker file_explorer
-      lsp_definition lsp_diagnostics lsp_hover
     ].each do |name|
       action = Action.new("core.#{name}".freeze).freeze
       define_singleton_method(name) { action }
     end
+
+    module Lsp
+      %w[definition diagnostics hover].each do |name|
+        action = Action.new("core.lsp_#{name}".freeze).freeze
+        define_singleton_method(name) { action }
+      end
+    end
+    Lsp.freeze
+
+    def self.lsp
+      Lsp
+    end
   end
 
   module Modes