gui: add EguiBox TypeBox plugin (Windows egui stub)\n\n- plugins: add nyash-egui-plugin with TypeBox (resolve/invoke_id), Windows path for real window via eframe; stub on other OS\n- apps: add apps/egui-hello sample (open→uiLabel→run→close)\n- loader: improve Windows DLL resolution (target triples: x86_64/aarch64 msvc) and lib→dll mapping\n- tests: expand TypeBox vs TLV diff tests up to FileBox; all green\n- docs: update CURRENT_TASK checklist (diff tests completed)\n- config: nyash.toml add EguiBox (type_id=70), plugin registry and methods

src/jit/lower/core.rs

@@ -259,7 +259,6 @@ impl LowerCore {
                     // name → u64x2 パックで渡す
                     let name = box_type.clone();
                     {
-                        use cranelift_codegen::ir::{AbiParam, Signature, types};
                         let name_bytes = name.as_bytes();
                         let mut lo: u64 = 0; let mut hi: u64 = 0;
                         let take = core::cmp::min(16, name_bytes.len());