fix(release): build updates.json with top-level XPI URL

Remove '/releases/<version>/' from update_link; artifacts are uploaded to the base directory (e.g. https://add-ons.jordanwages.com/archive-org-link-grabber/<xpi>). Update example accordingly.

manifest.json

@@ -1,7 +1,7 @@
 {
   "manifest_version": 2,
   "name": "Archive.org Link Grabber",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "description": "Filter and export archive.org /download links; copy or send to aria2 RPC.",
   "applications": {
     "gecko": {

releases/updates.json

@@ -19,6 +19,15 @@
               "strict_min_version": "91.0"
             }
           }
+        },
+        {
+          "version": "0.3.0",
+          "update_link": "https://add-ons.jordanwages.com/archive-org-link-grabber/releases/0.3.0/abf5f9638af544919be4-0.3.0.xpi",
+          "applications": {
+            "gecko": {
+              "strict_min_version": "91.0"
+            }
+          }
         }
       ]
     }

scripts/release-push.js

@@ -126,8 +126,8 @@ function ensureUpdatesJson() {
 
     // Derive public base directory from update_url (strip trailing filename)
     let updatesBaseDir = updateUrl.replace(/\/?[^/]*$/, '');
-    // Build public link to the uploaded XPI
+    // Build public link to the uploaded XPI (artifact is placed directly under the base dir)
-    const publicLink = `${updatesBaseDir}/releases/${version}/${encodeURIComponent(chosenXpi)}`;
+    const publicLink = `${updatesBaseDir}/${encodeURIComponent(chosenXpi)}`;
 
     if (!data.addons) data.addons = {};
     if (!data.addons[addonId]) data.addons[addonId] = { updates: [] };