feat(pop-card-list): PopCardList 컴포넌트 구현

- PopCardList 컴포넌트 추가 (NumberInputModal, PackageUnitModal 포함)
- ComponentEditorPanel, PopRenderer 충돌 해결 (modals + onRequestResize 통합)

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/app/(pop)/pop/screens/[screenId]/page.tsx

@@ -146,6 +146,28 @@ function PopScreenViewPage() {
     }
   }, [screenId]);
 
+  // 뷰어 모드에서도 컴포넌트 크기 변경 지원 (더보기 등)
+  const handleRequestResize = React.useCallback((componentId: string, newRowSpan: number, newColSpan?: number) => {
+    setLayout((prev) => {
+      const comp = prev.components[componentId];
+      if (!comp) return prev;
+      return {
+        ...prev,
+        components: {
+          ...prev.components,
+          [componentId]: {
+            ...comp,
+            position: {
+              ...comp.position,
+              rowSpan: newRowSpan,
+              ...(newColSpan !== undefined ? { colSpan: newColSpan } : {}),
+            },
+          },
+        },
+      };
+    });
+  }, []);
+
   const currentDevice = DEVICE_SIZES[deviceType][isLandscape ? "landscape" : "portrait"];
   const hasComponents = Object.keys(layout.components).length > 0;
 
@@ -301,6 +323,8 @@ function PopScreenViewPage() {
                           currentMode={currentModeKey}
                           overrideGap={adjustedGap}
                           overridePadding={adjustedPadding}
+                          onRequestResize={handleRequestResize}
+                          currentScreenId={screenId}
                         />
                       );
                     })()}