semantic markup update

frontend/src/components/tools/ConnectionList.svelte

@@ -19,6 +19,8 @@
 
     // [DEF:fetchConnections:Function]
     // @PURPOSE: Fetches the list of connections from the backend.
+    // @PRE: None.
+    // @POST: connections array is populated.
     async function fetchConnections() {
         isLoading = true;
         try {
@@ -33,6 +35,8 @@
 
     // [DEF:handleDelete:Function]
     // @PURPOSE: Deletes a connection configuration.
+    // @PRE: id is provided and user confirms deletion.
+    // @POST: Connection is deleted from backend and list is reloaded.
     async function handleDelete(id) {
         if (!confirm('Are you sure you want to delete this connection?')) return;