fix(ui): read panel keys at window capture so tasks cannot eat tab

src/ui/anchored-panel.svelte

@@ -51,6 +51,7 @@
 
   function mount(node: HTMLElement) {
     panel = node;
+    const win = node.ownerDocument.defaultView ?? window;
     measure();
     if (autofocus) {
       (node.querySelector<HTMLElement>("input") ?? node).focus({
@@ -64,17 +65,27 @@
     const reflow = (): void => measure();
     document.addEventListener("pointerdown", outside, true);
     window.addEventListener("resize", reflow);
+    win.addEventListener("keydown", keys, true);
 
     return {
       destroy() {
         document.removeEventListener("pointerdown", outside, true);
         window.removeEventListener("resize", reflow);
+        win.removeEventListener("keydown", keys, true);
         panel = null;
       },
     };
   }
 
+  /**
+   * Read at the window's capture phase rather than on the panel itself.
+   * Obsidian's keymap listens there first, and a plugin that claims a key
+   * through `app.scope` — Tasks claims Tab — stops the event before it ever
+   * reaches an element handler. A listener on the same node still runs after
+   * that, so this is the one place the panel's keys cannot be taken away.
+   */
   function keys(event: KeyboardEvent): void {
+    if (!panel?.contains(event.target as Node)) return;
     event.stopPropagation();
     if (event.key === "Escape" && !event.defaultPrevented) {
       event.preventDefault();
@@ -91,13 +102,11 @@
 </script>
 
 <Portal to={view.portal()}>
-  <!-- svelte-ignore a11y_no_noninteractive_element_interactions -->
   <div
     class={cn(
       "fixed z-50 overflow-hidden rounded-xl border border-border bg-popover text-popover-foreground shadow-[0_16px_40px_-12px_rgb(0_0_0/45%)] outline-none",
       className,
     )}
-    onkeydown={keys}
     role="dialog"
     style="top: {at.top}px; left: {at.left}px; opacity: {placed ? 1 : 0}"
     tabindex="-1"