Add JSDoc documentation and file headers to all source files

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/stores/mapCompareStore.ts

@@ -1,3 +1,14 @@
+// The Lucia project.
+// Copyright 2023-2026 DSP, inc.  All rights reserved.
+// Authors:
+//   chiayin.kuo@dsp.im (chiayin), 2023/1/31
+//   imacat.yang@dsp.im (imacat), 2023/9/23
+//   cindy.chang@dsp.im (Cindy Chang), 2024/5/30
+/**
+ * @module stores/mapCompareStore Map comparison store for managing
+ *   side-by-side process map comparison with insights data.
+ */
+
 import { defineStore } from 'pinia';
 import { useAllMapDataStore } from '@/stores/allMapData';
 import { INSIGHTS_FIELDS_AND_LABELS } from '@/constants/constants';