add coments

src/main.js

@@ -3,14 +3,20 @@ const path = require("path");
 const fs = require("fs");
 const os = require("os");
 
-// Path to the MAL-Sync extension
-// source (github.com/MALSync/MALSync). Electron load unpacked Chrome
-// extensions directly via session.loadExtension.
+// Path to the MAL-Sync extension we built earlier from the real MALSync
+// source (github.com/MALSync/MALSync). Electron can load unpacked Chrome
+// extensions directly via session.loadExtension, so the SAME extension
+// code that runs in Brave also runs here, inside our own app's browser
+// tab - MAL-Sync itself is unmodified, just hosted in our own window
+// instead of a general-purpose browser.
 const MALSYNC_EXTENSION_PATH = path.join(
   require("os").homedir(),
   "../extensions/MALSync/dist/webextension"
 );
 
+// Shares the same config file as our existing anilist-tracker hub server
+// (~/.anilist-tracker/config.json), so this app reads the SAME AniList
+// access token you already logged in with - no separate login needed.
 const CONFIG_PATH = path.join(os.homedir(), ".anilist-tracker", "config.json");
 
 function loadHubConfig() {