feat: 스케줄 자동 생성 기능 및 이벤트 발송 설정 추가

- 스케줄 자동 생성 관련 라우트를 추가하여 API 연동을 구현하였습니다.
- 버튼 설정 패널에 이벤트 발송 옵션을 추가하여 사용자가 이벤트를 설정할 수 있도록 하였습니다.
- 타임라인 스케줄러 컴포넌트에서 스케줄 데이터 필터링 및 선택된 품목에 따른 스케줄 로드 기능을 개선하였습니다.
- 이벤트 버스를 통해 다른 컴포넌트와의 상호작용을 강화하였습니다.
- 관련 문서 및 주석을 업데이트하여 새로운 기능에 대한 이해를 돕도록 하였습니다.

frontend/lib/v2-core/services/ScheduleConfirmDialog.tsx

@@ -0,0 +1,208 @@
+/**
+ * 스케줄 생성 확인 다이얼로그
+ *
+ * 스케줄 자동 생성 시 미리보기 결과를 표시하고 확인을 받는 다이얼로그입니다.
+ */
+
+"use client";
+
+import React from "react";
+import {
+  AlertDialog,
+  AlertDialogAction,
+  AlertDialogCancel,
+  AlertDialogContent,
+  AlertDialogDescription,
+  AlertDialogFooter,
+  AlertDialogHeader,
+  AlertDialogTitle,
+} from "@/components/ui/alert-dialog";
+import { Badge } from "@/components/ui/badge";
+import { ScrollArea } from "@/components/ui/scroll-area";
+import { Calendar, Plus, Trash2, RefreshCw } from "lucide-react";
+import type { SchedulePreviewResult } from "./ScheduleGeneratorService";
+
+interface ScheduleConfirmDialogProps {
+  open: boolean;
+  onOpenChange: (open: boolean) => void;
+  preview: SchedulePreviewResult | null;
+  onConfirm: () => void;
+  onCancel: () => void;
+  isLoading?: boolean;
+}
+
+export function ScheduleConfirmDialog({
+  open,
+  onOpenChange,
+  preview,
+  onConfirm,
+  onCancel,
+  isLoading = false,
+}: ScheduleConfirmDialogProps) {
+  if (!preview) return null;
+
+  const { summary, toCreate, toDelete, toUpdate } = preview;
+
+  return (
+    <AlertDialog open={open} onOpenChange={onOpenChange}>
+      <AlertDialogContent className="max-w-[95vw] sm:max-w-[600px]">
+        <AlertDialogHeader>
+          <AlertDialogTitle className="flex items-center gap-2 text-base sm:text-lg">
+            <Calendar className="h-5 w-5" />
+            스케줄 생성 확인
+          </AlertDialogTitle>
+          <AlertDialogDescription className="text-xs sm:text-sm">
+            다음과 같이 스케줄이 변경됩니다. 계속하시겠습니까?
+          </AlertDialogDescription>
+        </AlertDialogHeader>
+
+        {/* 요약 정보 */}
+        <div className="grid grid-cols-3 gap-3 py-4">
+          <div className="flex flex-col items-center rounded-lg border bg-green-50 p-3 dark:bg-green-900/20">
+            <Plus className="mb-1 h-5 w-5 text-green-600" />
+            <span className="text-2xl font-bold text-green-600">
+              {summary.createCount}
+            </span>
+            <span className="text-xs text-muted-foreground">생성</span>
+          </div>
+          <div className="flex flex-col items-center rounded-lg border bg-red-50 p-3 dark:bg-red-900/20">
+            <Trash2 className="mb-1 h-5 w-5 text-red-600" />
+            <span className="text-2xl font-bold text-red-600">
+              {summary.deleteCount}
+            </span>
+            <span className="text-xs text-muted-foreground">삭제</span>
+          </div>
+          <div className="flex flex-col items-center rounded-lg border bg-blue-50 p-3 dark:bg-blue-900/20">
+            <RefreshCw className="mb-1 h-5 w-5 text-blue-600" />
+            <span className="text-2xl font-bold text-blue-600">
+              {summary.updateCount}
+            </span>
+            <span className="text-xs text-muted-foreground">수정</span>
+          </div>
+        </div>
+
+        {/* 상세 정보 */}
+        <ScrollArea className="max-h-[300px]">
+          <div className="space-y-4">
+            {/* 생성될 스케줄 */}
+            {toCreate.length > 0 && (
+              <div>
+                <h4 className="mb-2 flex items-center gap-2 text-sm font-medium">
+                  <Badge variant="default" className="bg-green-600">
+                    생성
+                  </Badge>
+                  {toCreate.length}건
+                </h4>
+                <div className="space-y-1 rounded-md border p-2">
+                  {toCreate.slice(0, 5).map((item, index) => (
+                    <div
+                      key={index}
+                      className="flex items-center justify-between text-xs"
+                    >
+                      <span className="font-medium">
+                        {item.resource_name || item.resource_id}
+                      </span>
+                      <span className="text-muted-foreground">
+                        {item.start_date} ~ {item.end_date} / {item.plan_qty}개
+                      </span>
+                    </div>
+                  ))}
+                  {toCreate.length > 5 && (
+                    <div className="text-center text-xs text-muted-foreground">
+                      ... 외 {toCreate.length - 5}건
+                    </div>
+                  )}
+                </div>
+              </div>
+            )}
+
+            {/* 삭제될 스케줄 */}
+            {toDelete.length > 0 && (
+              <div>
+                <h4 className="mb-2 flex items-center gap-2 text-sm font-medium">
+                  <Badge variant="destructive">삭제</Badge>
+                  {toDelete.length}건
+                </h4>
+                <div className="space-y-1 rounded-md border border-red-200 bg-red-50/50 p-2 dark:border-red-800 dark:bg-red-900/10">
+                  {toDelete.slice(0, 5).map((item, index) => (
+                    <div
+                      key={index}
+                      className="flex items-center justify-between text-xs"
+                    >
+                      <span className="font-medium">
+                        {item.resource_name || item.resource_id}
+                      </span>
+                      <span className="text-muted-foreground">
+                        {item.start_date} ~ {item.end_date}
+                      </span>
+                    </div>
+                  ))}
+                  {toDelete.length > 5 && (
+                    <div className="text-center text-xs text-muted-foreground">
+                      ... 외 {toDelete.length - 5}건
+                    </div>
+                  )}
+                </div>
+              </div>
+            )}
+
+            {/* 수정될 스케줄 */}
+            {toUpdate.length > 0 && (
+              <div>
+                <h4 className="mb-2 flex items-center gap-2 text-sm font-medium">
+                  <Badge variant="secondary">수정</Badge>
+                  {toUpdate.length}건
+                </h4>
+                <div className="space-y-1 rounded-md border border-blue-200 bg-blue-50/50 p-2 dark:border-blue-800 dark:bg-blue-900/10">
+                  {toUpdate.slice(0, 5).map((item, index) => (
+                    <div
+                      key={index}
+                      className="flex items-center justify-between text-xs"
+                    >
+                      <span className="font-medium">
+                        {item.resource_name || item.resource_id}
+                      </span>
+                      <span className="text-muted-foreground">
+                        {item.start_date} ~ {item.end_date}
+                      </span>
+                    </div>
+                  ))}
+                  {toUpdate.length > 5 && (
+                    <div className="text-center text-xs text-muted-foreground">
+                      ... 외 {toUpdate.length - 5}건
+                    </div>
+                  )}
+                </div>
+              </div>
+            )}
+          </div>
+        </ScrollArea>
+
+        {/* 총 수량 */}
+        <div className="flex items-center justify-between rounded-md bg-muted p-3">
+          <span className="text-sm font-medium">총 계획 수량</span>
+          <span className="text-lg font-bold">
+            {summary.totalQty.toLocaleString()}개
+          </span>
+        </div>
+
+        <AlertDialogFooter className="gap-2 sm:gap-0">
+          <AlertDialogCancel
+            onClick={onCancel}
+            disabled={isLoading}
+            className="h-8 flex-1 text-xs sm:h-10 sm:flex-none sm:text-sm"
+          >
+            취소
+          </AlertDialogCancel>
+          <AlertDialogAction
+            onClick={onConfirm}
+            disabled={isLoading}
+            className="h-8 flex-1 text-xs sm:h-10 sm:flex-none sm:text-sm"
+          >
+            {isLoading ? "처리 중..." : "확인 및 적용"}
+          </AlertDialogAction>
+        </AlertDialogFooter>
+      </AlertDialogContent>
+    </AlertDialog>
+  );
+}