feat(core): Add input modes and half-page cursor movement.

crates/pikl-test-macros/src/codegen.rs

@@ -275,7 +275,12 @@ fn gen_nav_actions(actions: &[ActionExpr]) -> syn::Result<Vec<TokenStream>> {
                 let method = Ident::new(&name.replace('-', "_"), Span::call_site());
                 let needs_count = matches!(
                     name.as_str(),
-                    "move-up" | "move-down" | "page-up" | "page-down"
+                    "move-up"
+                        | "move-down"
+                        | "page-up"
+                        | "page-down"
+                        | "half-page-up"
+                        | "half-page-down"
                 );
                 if needs_count {
                     calls.push(quote! { v.#method(1); });
@@ -418,6 +423,10 @@ fn menu_action_variant(name: &str) -> syn::Result<TokenStream> {
         "move-to-bottom" => quote! { Action::MoveToBottom },
         "page-up" => quote! { Action::PageUp(1) },
         "page-down" => quote! { Action::PageDown(1) },
+        "half-page-up" => quote! { Action::HalfPageUp(1) },
+        "half-page-down" => quote! { Action::HalfPageDown(1) },
+        "set-mode-insert" => quote! { Action::SetMode(pikl_core::event::Mode::Insert) },
+        "set-mode-normal" => quote! { Action::SetMode(pikl_core::event::Mode::Normal) },
         _ => {
             return Err(syn::Error::new(
                 Span::call_site(),