semantic cleanup

frontend/src/components/git/CommitHistory.svelte

@@ -27,6 +27,8 @@
     // [DEF:onMount:Function]
     /**
      * @purpose Load history when component is mounted.
+     * @pre Component is initialized with dashboardId.
+     * @post loadHistory is called.
      */
     onMount(async () => {
         await loadHistory();
@@ -36,6 +38,7 @@
     // [DEF:loadHistory:Function]
     /**
      * @purpose Fetch commit history from the backend.
+     * @pre dashboardId is valid.
      * @post history state is updated.
      */
     async function loadHistory() {