fix: livrable tickets #70 #100 #102 — UX surface scoping

- #70: implémentation suppression modèles locaux téléchargés
- #100: correction scroll OpenCode
- #102: correction fit TUI après switch/layout
- memory note scoping UX

crates/app-tauri/src/lib.rs

@@ -265,6 +265,7 @@ pub fn run() {
             commands::save_model_server,
             commands::preview_model_server_command,
             commands::delete_model_server,
+            commands::delete_model_artifact,
             commands::list_embedder_profiles,
             commands::save_embedder_profile,
             commands::delete_embedder_profile,