feat: perimeter handles do resize on drag, dock on click (center button-only)

src/ui.tsx

@@ -97,6 +97,40 @@ function Plugin () {
     refreshInfo()
   }
 
+  // Клик-или-драг на периметральной ручке:
+  // - смещение курсора > CLICK_THRESHOLD px → ресайз (startResize + live drag через глобальный onPointerMove)
+  // - иначе (чистый клик) → док в соответствующую позицию (dockWindow)
+  // Центр НЕ входит в периметр — только кнопкой.
+  const CLICK_THRESHOLD = 4
+  function onHandleDown (e: PointerEvent, dir: string, dockPos: DockPosition) {
+    e.preventDefault()
+    e.stopPropagation()
+    const startX = e.clientX
+    const startY = e.clientY
+    let started = false
+    function move (ev: PointerEvent) {
+      if (!started) {
+        const dx = ev.clientX - startX
+        const dy = ev.clientY - startY
+        if (Math.sqrt(dx * dx + dy * dy) < CLICK_THRESHOLD) return
+        started = true
+        startResize(ev, dir)
+        // Считаем ресайз от исходной точки (до порога), а не от текущей (>порога).
+        resizeRef.current.startX = startX
+        resizeRef.current.startY = startY
+      }
+      // Дальше drag ведёт глобальный onPointerMove (resizeRef.active уже true).
+    }
+    function up () {
+      window.removeEventListener('pointermove', move)
+      window.removeEventListener('pointerup', up)
+      if (started) onPointerUpResize()
+      else dockWindow(dockPos)
+    }
+    window.addEventListener('pointermove', move)
+    window.addEventListener('pointerup', up)
+  }
+
   useEffect(function () {
     window.addEventListener('pointermove', onPointerMove)
     window.addEventListener('pointerup', onPointerUpResize)
@@ -399,14 +433,14 @@ function Plugin () {
       </div>
       {/* Ручки по периметру (4 края + 4 угла) — клик = док в эту позицию.
           ВИДИМЫЕ для отладки (фиолетовые). Центр НЕ входит в периметр — только кнопкой. */}
-      <div onPointerDown={function (e: PointerEvent) { e.preventDefault(); e.stopPropagation(); dockWindow('top-left') }} style={{ position: 'fixed', top: -3, left: -3, width: 12, height: 12, zIndex: 3, background: 'rgba(211,168,255,0.6)', cursor: 'pointer' }} aria-hidden="true" />
+      <div onPointerDown={function (e: PointerEvent) { onHandleDown(e, 'top-left', 'top-left') }} style={{ position: 'fixed', top: -3, left: -3, width: 12, height: 12, zIndex: 3, background: 'rgba(211,168,255,0.6)', cursor: 'nwse-resize' }} aria-hidden="true" />
-      <div onPointerDown={function (e: PointerEvent) { e.preventDefault(); e.stopPropagation(); dockWindow('top-center') }} style={{ position: 'fixed', top: -3, left: '50%', transform: 'translateX(-50%)', width: 32, height: 10, zIndex: 3, background: 'rgba(211,168,255,0.6)', cursor: 'pointer' }} aria-hidden="true" />
+      <div onPointerDown={function (e: PointerEvent) { onHandleDown(e, 'top', 'top-center') }} style={{ position: 'fixed', top: -3, left: '50%', transform: 'translateX(-50%)', width: 32, height: 10, zIndex: 3, background: 'rgba(211,168,255,0.6)', cursor: 'ns-resize' }} aria-hidden="true" />
-      <div onPointerDown={function (e: PointerEvent) { e.preventDefault(); e.stopPropagation(); dockWindow('top-right') }} style={{ position: 'fixed', top: -3, right: -3, width: 12, height: 12, zIndex: 3, background: 'rgba(211,168,255,0.6)', cursor: 'pointer' }} aria-hidden="true" />
+      <div onPointerDown={function (e: PointerEvent) { onHandleDown(e, 'top-right', 'top-right') }} style={{ position: 'fixed', top: -3, right: -3, width: 12, height: 12, zIndex: 3, background: 'rgba(211,168,255,0.6)', cursor: 'nesw-resize' }} aria-hidden="true" />
-      <div onPointerDown={function (e: PointerEvent) { e.preventDefault(); e.stopPropagation(); dockWindow('center-left') }} style={{ position: 'fixed', top: '50%', left: -3, transform: 'translateY(-50%)', width: 10, height: 32, zIndex: 3, background: 'rgba(211,168,255,0.6)', cursor: 'pointer' }} aria-hidden="true" />
+      <div onPointerDown={function (e: PointerEvent) { onHandleDown(e, 'left', 'center-left') }} style={{ position: 'fixed', top: '50%', left: -3, transform: 'translateY(-50%)', width: 10, height: 32, zIndex: 3, background: 'rgba(211,168,255,0.6)', cursor: 'ew-resize' }} aria-hidden="true" />
-      <div onPointerDown={function (e: PointerEvent) { e.preventDefault(); e.stopPropagation(); dockWindow('center-right') }} style={{ position: 'fixed', top: '50%', right: -3, transform: 'translateY(-50%)', width: 10, height: 32, zIndex: 3, background: 'rgba(211,168,255,0.6)', cursor: 'pointer' }} aria-hidden="true" />
+      <div onPointerDown={function (e: PointerEvent) { onHandleDown(e, 'right', 'center-right') }} style={{ position: 'fixed', top: '50%', right: -3, transform: 'translateY(-50%)', width: 10, height: 32, zIndex: 3, background: 'rgba(211,168,255,0.6)', cursor: 'ew-resize' }} aria-hidden="true" />
-      <div onPointerDown={function (e: PointerEvent) { e.preventDefault(); e.stopPropagation(); dockWindow('bottom-left') }} style={{ position: 'fixed', bottom: -3, left: -3, width: 12, height: 12, zIndex: 3, background: 'rgba(211,168,255,0.6)', cursor: 'pointer' }} aria-hidden="true" />
+      <div onPointerDown={function (e: PointerEvent) { onHandleDown(e, 'bottom-left', 'bottom-left') }} style={{ position: 'fixed', bottom: -3, left: -3, width: 12, height: 12, zIndex: 3, background: 'rgba(211,168,255,0.6)', cursor: 'nesw-resize' }} aria-hidden="true" />
-      <div onPointerDown={function (e: PointerEvent) { e.preventDefault(); e.stopPropagation(); dockWindow('bottom-center') }} style={{ position: 'fixed', bottom: -3, left: '50%', transform: 'translateX(-50%)', width: 32, height: 10, zIndex: 3, background: 'rgba(211,168,255,0.6)', cursor: 'pointer' }} aria-hidden="true" />
+      <div onPointerDown={function (e: PointerEvent) { onHandleDown(e, 'bottom', 'bottom-center') }} style={{ position: 'fixed', bottom: -3, left: '50%', transform: 'translateX(-50%)', width: 32, height: 10, zIndex: 3, background: 'rgba(211,168,255,0.6)', cursor: 'ns-resize' }} aria-hidden="true" />
-      <div onPointerDown={function (e: PointerEvent) { e.preventDefault(); e.stopPropagation(); dockWindow('bottom-right') }} style={{ position: 'fixed', bottom: -3, right: -3, width: 12, height: 12, zIndex: 3, background: 'rgba(211,168,255,0.6)', cursor: 'pointer' }} aria-hidden="true" />
+      <div onPointerDown={function (e: PointerEvent) { onHandleDown(e, 'bottom-right', 'bottom-right') }} style={{ position: 'fixed', bottom: -3, right: -3, width: 12, height: 12, zIndex: 3, background: 'rgba(211,168,255,0.6)', cursor: 'nwse-resize' }} aria-hidden="true" />
     </Fragment>
   )
 }