fix(desktop): OP1 drag threshold so single clicks no longer drag the pet

apps/desktop/pet-preload.cjs

@@ -8,6 +8,7 @@ let scaling = false;
 let scaleStartY = 0;
 let scaleStartValue = 0.56;
 let scalePreviewTimer = null;
+const dragThreshold = 4;
 
 const dismissBubble = (event) => {
   if (event.button !== 0 || event.ctrlKey || event.metaKey || event.shiftKey || event.altKey) return;
@@ -225,6 +226,7 @@ const installPetSenses = () => {
 
     clickTimer = setTimeout(flushClicks, 200);
   });
+
   document.addEventListener("mouseover", (event) => {
     const target = event.target;
     if (!(target instanceof Element) || !target.closest(".pet-hitbox, .pet-shell")) return;
@@ -415,10 +417,23 @@ const installMouseInterop = () => {
   installPetSenses();
 
   let dragStartPoint = null;
+  let dragCandidate = null;
 
   document.addEventListener("mousemove", (event) => {
     updateInteractiveHit(event);
-    if (dragging) ipcRenderer.send("openpets:pet-drag-move", { screenX: event.screenX, screenY: event.screenY });
+    if (dragging) {
+      ipcRenderer.send("openpets:pet-drag-move", { screenX: event.screenX, screenY: event.screenY });
+    } else if (dragCandidate) {
+      const dx = event.screenX - dragCandidate.screenX;
+      const dy = event.screenY - dragCandidate.screenY;
+      if (Math.hypot(dx, dy) > dragThreshold) {
+        dragging = true;
+        dragStartPoint = { screenX: dragCandidate.screenX, screenY: dragCandidate.screenY };
+        dragCandidate = null;
+        setInteractiveHit(true);
+        ipcRenderer.send("openpets:pet-drag-start", { screenX: event.screenX, screenY: event.screenY });
+      }
+    }
     if (scaling) {
       const newScale = scaleStartValue + (event.clientY - scaleStartY) * 0.003;
       const clamped = applyScalePreview(newScale);
@@ -444,20 +459,21 @@ const installMouseInterop = () => {
 
     if (event.button !== 0 || !target?.closest(".pet-hitbox, .pet-shell")) return;
     event.preventDefault();
-    dragging = true;
-    dragStartPoint = { screenX: event.screenX, screenY: event.screenY };
-    setInteractiveHit(true);
-    ipcRenderer.send("openpets:pet-drag-start", { screenX: event.screenX, screenY: event.screenY });
+    dragCandidate = { screenX: event.screenX, screenY: event.screenY };
+    dragStartPoint = null;
   });
 
   document.addEventListener("mouseup", (event) => {
     if (dragging) {
       dragging = false;
-      if (dragStartPoint && Math.hypot(event.screenX - dragStartPoint.screenX, event.screenY - dragStartPoint.screenY) > 4) {
+      if (dragStartPoint && Math.hypot(event.screenX - dragStartPoint.screenX, event.screenY - dragStartPoint.screenY) > dragThreshold) {
         suppressClickUntil = Date.now() + 300;
       }
       dragStartPoint = null;
+      dragCandidate = null;
       ipcRenderer.send("openpets:pet-drag-end");
+    } else if (dragCandidate) {
+      dragCandidate = null;
     }
     if (scaling) {
       scaling = false;