fix(busy): gate the document-level shortcuts too

inert removes elements from focus and hit testing, but shortcuts are listened for on the document and never traverse an element. Ctrl+A still selected every entry under the overlay, Ctrl+K would open the palette behind it, j/k moved the cursor - and Delete ran a batch delete while a sync was writing to the same rows.

js/app.js

@@ -2741,6 +2741,9 @@ function isPasswordAged(e) {
 // Stays inert when any input/textarea has focus, when a modal is open,
 // when an open slideover would steal Enter, or the user is mid-edit.
 function handleCardCursorKey(e) {
+    // Document-level like the other shortcuts, so `inert` does not stop it:
+    // j/k would still move the cursor and scroll the grid under the overlay.
+    if (isBusy()) return;
     if (e.ctrlKey || e.altKey || e.metaKey) return;
     const tag = (e.target && e.target.tagName || '').toLowerCase();
     if (tag === 'input' || tag === 'textarea' || tag === 'select') return;
@@ -7316,6 +7319,10 @@ async function init() {
     // batch bar does, just via keyboard.
     document.addEventListener('keydown', e => {
         if (e.key !== 'Delete' && e.key !== 'Backspace') return;
+        // Destructive, and listened for on the document — `inert` does not
+        // reach it. Deleting entries while a sync or a rotation is mid-flight
+        // is the worst thing this overlay is supposed to prevent.
+        if (isBusy()) return;
         if (e.ctrlKey || e.altKey || e.metaKey) return;
         const tag = (e.target && e.target.tagName || '').toLowerCase();
         if (tag === 'input' || tag === 'textarea' || tag === 'select') return;
@@ -8267,6 +8274,11 @@ async function init() {
 
     // Command palette + bulk shortcuts
     document.addEventListener('keydown', e => {
+        // Shortcuts are listened for on the DOCUMENT, so `inert` on the page
+        // does not stop them — it only removes elements from focus and hit
+        // testing. Ctrl+A still selected every entry under the busy overlay,
+        // and Ctrl+K would have opened the palette behind it.
+        if (isBusy()) return;
         if ((e.ctrlKey || e.metaKey) && e.key === 'k') {
             e.preventDefault();
             openPalette();