fix: don't start window drag on interactive controls

src/components/home-header.tsx

@@ -15,10 +15,15 @@ import { Tooltip, TooltipContent, TooltipTrigger } from "./ui/tooltip";
 const HOLD_MS = 150;
 const DRAG_THRESHOLD_PX = 3;
 
-const isTextInputTarget = (target: EventTarget | null): boolean => {
+// Any interactive control (buttons, links, inputs) must NOT start a window
+// drag when pressed — otherwise the press-and-hold / drag-threshold logic below
+// hands the pointer to the OS window-move loop and the control's click never
+// fires (e.g. the "+ New" button needing a double-click, and the window
+// un-maximizing on Windows). Mirrors the guard handleDoubleClick already uses.
+const isInteractiveTarget = (target: EventTarget | null): boolean => {
   if (!(target instanceof Element)) return false;
   const el = target.closest(
-    "input, select, textarea, [contenteditable=''], [contenteditable='true']",
+    "button, a, [role='button'], input, select, textarea, [contenteditable=''], [contenteditable='true']",
   );
   return el !== null;
 };
@@ -87,7 +92,7 @@ const HomeHeader = ({
   const handlePointerDown = useCallback(
     (e: React.PointerEvent<HTMLDivElement>) => {
       if (e.button !== 0) return;
-      if (isTextInputTarget(e.target)) return;
+      if (isInteractiveTarget(e.target)) return;
 
       dragStartedRef.current = false;
       dragStartRef.current = { x: e.clientX, y: e.clientY };
@@ -133,8 +138,7 @@ const HomeHeader = ({
 
   const handleDoubleClick = useCallback(
     (e: React.MouseEvent<HTMLDivElement>) => {
-      if (isTextInputTarget(e.target)) return;
-      if (e.target instanceof Element && e.target.closest("button")) return;
+      if (isInteractiveTarget(e.target)) return;
       clearHold();
       void getCurrentWindow().toggleMaximize();
     },