전략편집기 전략컨트롤 드래그

frontend/src/components/strategyEditor/PaletteChip.tsx

@@ -51,6 +51,10 @@ export default function PaletteChip({
   });
 
   const onDragStart = (e: React.DragEvent) => {
+    if (needsPointerPaletteDrag()) {
+      e.preventDefault();
+      return;
+    }
     writePaletteHtmlDragData(e, buildPayload());
   };
 
@@ -95,7 +99,7 @@ export default function PaletteChip({
   return (
     <div
       draggable={!needsPointerPaletteDrag()}
-      className={`se-palette-card ${color ? `se-palette-card--${color}` : 'se-palette-card--ind'}${composite ? ' se-palette-card--composite' : ''}${selected ? ' se-palette-card--selected' : ''}`}
+      className={`se-palette-card ${color ? `se-palette-card--${color}` : 'se-palette-card--ind'}${composite ? ' se-palette-card--composite' : ''}${selected ? ' se-palette-card--selected' : ''}${needsPointerPaletteDrag() ? ' se-palette-card--pointer' : ''}`}
       onDragStart={onDragStart}
       onDragEnd={onDragEnd}
       onPointerDown={onPointerDown}

frontend/src/components/strategyEditor/SidewaysFilterPaletteTab.tsx

@@ -78,6 +78,10 @@ function SidewaysFilterChip({
 
   const onDragStart = (e: React.DragEvent) => {
     hideHint();
+    if (needsPointerPaletteDrag()) {
+      e.preventDefault();
+      return;
+    }
     const payload: SidewaysFilterDragPayload = {
       type: 'sidewaysFilter',
       value: item.id,
@@ -127,7 +131,7 @@ function SidewaysFilterChip({
   return (
     <div
       draggable={!needsPointerPaletteDrag()}
-      className={`se-palette-card se-palette-card--range se-palette-card--range-${item.mode}${selected ? ' se-palette-card--selected' : ''}`}
+      className={`se-palette-card se-palette-card--range se-palette-card--range-${item.mode}${selected ? ' se-palette-card--selected' : ''}${needsPointerPaletteDrag() ? ' se-palette-card--pointer' : ''}`}
       onDragStart={onDragStart}
       onDragEnd={onDragEnd}
       onPointerDown={onPointerDown}

frontend/src/components/strategyEditor/StrategyEditorCanvas.tsx

@@ -1336,20 +1336,10 @@ function StrategyEditorCanvasInner({
     if (!needsPointerPaletteDrag()) return;
     return subscribePaletteDrag((ev: PaletteDragEvent) => {
       if (ev.phase === 'move') {
-        if (!isOverStrategyBuilder(ev.x, ev.y)) {
-          if (lastPreviewAnchorRef.current != null) {
-            lastPreviewAnchorRef.current = null;
-            lastPreviewKeyRef.current = null;
-            clearPreviewRef.current();
-          }
-          return;
-        }
         const { flowPos, anchorId } = resolveDropFromClientRef.current(ev.x, ev.y);
         if (anchorId) {
-          const sideKey = `${anchorId}:${Math.round(flowPos.x / 8)}:${Math.round(flowPos.y / 8)}`;
-          if (sideKey === lastPreviewKeyRef.current) return;
-          lastPreviewKeyRef.current = sideKey;
           lastPreviewAnchorRef.current = anchorId;
+          lastPreviewKeyRef.current = `${anchorId}:${Math.round(flowPos.x / 8)}:${Math.round(flowPos.y / 8)}`;
           updatePreviewRef.current(anchorId, flowPos);
           return;
         }

frontend/src/styles/strategyEditor.css

@@ -2033,6 +2033,11 @@
 .desktop-client .se-palette-card:active {
   cursor: grabbing;
 }
+.se-palette-card--pointer {
+  touch-action: none;
+  -webkit-user-drag: none;
+  user-select: none;
+}
 .se-palette-card:hover {
   transform: translateY(-2px);
 }

frontend/src/utils/flowScreenProjection.ts

@@ -1,5 +1,9 @@
 import type { ReactFlowInstance } from '@xyflow/react';
-import { getLastHtmlPaletteDragClientXY, isPaletteHtmlDragActive } from './paletteDragSession';
+import {
+  getActivePaletteDrag,
+  getLastHtmlPaletteDragClientXY,
+  isPaletteHtmlDragActive,
+} from './paletteDragSession';
 
 type FlowProjector = Pick<ReactFlowInstance, 'screenToFlowPosition' | 'getViewport'>;
 
@@ -93,8 +97,9 @@ export function isOverStrategyBuilder(clientX: number, clientY: number): boolean
 /** DOM hit-test — react-flow 노드 id (Safari HTML5 drag: elementsFromPoint 불가 → rect 우선) */
 export function findFlowNodeIdAtClientPoint(clientX: number, clientY: number): string | null {
   const pad = 10;
-  const nodeEls = document.querySelectorAll<HTMLElement>('.react-flow__node');
-  for (const nodeEl of nodeEls) {
+  const nodeEls = Array.from(document.querySelectorAll<HTMLElement>('.react-flow__node'));
+  for (let i = nodeEls.length - 1; i >= 0; i--) {
+    const nodeEl = nodeEls[i];
     const rect = nodeEl.getBoundingClientRect();
     if (
       clientX >= rect.left - pad && clientX <= rect.right + pad
@@ -166,6 +171,13 @@ export function resolvePaletteDropClientPoint(
     return { flowPos, anchorId: domId };
   }
 
+  if (getActivePaletteDrag()) {
+    const flowHit = findAtFlow(flowPos, nodes);
+    if (flowHit && isConnectTarget(flowHit.id)) {
+      return { flowPos, anchorId: flowHit.id };
+    }
+  }
+
   for (const node of nodes) {
     if (!isConnectTarget(node.id)) continue;
     const escaped = typeof CSS !== 'undefined' && CSS.escape

frontend/src/utils/paletteDragSession.ts

@@ -7,7 +7,7 @@ import {
   bindWindowDrag,
   isPrimaryPointerButton,
 } from './pointerDrag';
-import { isDesktop, isMacDesktop } from './platform';
+import { isDesktop } from './platform';
 
 export type PaletteDragPayload = Record<string, unknown> & {
   type: string;
@@ -96,10 +96,8 @@ function hasCoarsePointer(): boolean {
   }
 }
 
-/** HTML5 DnD 대신 pointer/touch overlay 드래그 사용 (Windows Desktop 등) */
+/** HTML5 DnD 대신 pointer/touch overlay 드래그 (Tauri Desktop 전체 — macOS WKWebView HTML5 DnD 불안정) */
 export function needsPointerPaletteDrag(): boolean {
-  // macOS Tauri WKWebView — Safari 웹과 동일하게 HTML5 DnD 사용
-  if (isMacDesktop()) return false;
   return isDesktop() || hasCoarsePointer();
 }
 
@@ -279,7 +277,7 @@ function startPaletteDragGesture(
         finishDrag('end', xy);
       }
     },
-    { preventTouchScroll: true },
+    { preventTouchScroll: true, useCapture: isDesktop() },
   );
 }
 

frontend/src/utils/strategyFlowLayout.ts

@@ -368,7 +368,7 @@ export type EdgeHandleBinding = {
 export const FLOW_NODE_W = 200;
 export const FLOW_NODE_H = 72;
 export const FLOW_START_W = 200;
-export const FLOW_START_H = 78;
+export const FLOW_START_H = 168;
 
 function nodeCenter(
   id: string,