Fix notes list not rendering — handle unwrapped API response

sw.api.ext() auto-unwraps the JSON response body, so the list
endpoint returns the array directly rather than {data: [...]}.
Use `res.data || res || []` pattern matching tasks surface.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

packages/notes/js/main.js

@@ -308,7 +308,8 @@
         } else {
           res = await api.get('/notes');
         }
-        var items = (res && res.data) || [];
+        var items = (res && res.data) || res || [];
+        if (!Array.isArray(items)) items = [];
         // sort: pinned first, then by updated_at desc
         items.sort(function(a, b) {
           if (a.pinned !== b.pinned) return b.pinned - a.pinned;