feat(expense-snapshot): snapshot management page (rename/delete)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

APP/src/app/features/expense/pages/expense-snapshots-page/expense-snapshots-page.component.html

@@ -0,0 +1,68 @@
+<div class="page">
+  <p class="mb-4 text-sm text-gray-600">
+    儲存常用的固定費用（房租、網路、餐費…）為範本，下次可快速套用。費用日期不會儲存。<br>
+    Save recurring fixed expenses as snapshots to quickly re-use them. The Expense Date is never saved.
+  </p>
+
+  <!-- Desktop: grid -->
+  <div class="hidden md:block">
+    <kendo-grid [data]="rows" [loading]="loading">
+      <kendo-grid-column field="name" title="Snapshot / 範本" [width]="240"></kendo-grid-column>
+      <kendo-grid-column field="vendorName" title="Vendor / 廠商" [width]="180">
+        <ng-template kendoGridCellTemplate let-dataItem>{{ dataItem.vendorName || '—' }}</ng-template>
+      </kendo-grid-column>
+      <kendo-grid-column field="ministryName" title="Ministry / 事工"></kendo-grid-column>
+      <kendo-grid-column field="totalAmount" title="Amount / 金額" [width]="120" format="c2"></kendo-grid-column>
+      <kendo-grid-column title="Created by / 建立者" [width]="200">
+        <ng-template kendoGridCellTemplate let-dataItem>
+          {{ dataItem.createdByName || '—' }}<br>
+          <span class="text-xs text-gray-500">{{ dataItem.createdAt | date:'yyyy-MM-dd' }}</span>
+        </ng-template>
+      </kendo-grid-column>
+      <kendo-grid-column title="Actions" [width]="160">
+        <ng-template kendoGridCellTemplate let-dataItem>
+          <button kendoButton fillMode="flat" (click)="openRename(dataItem)">Rename</button>
+          <button kendoButton fillMode="flat" themeColor="error" (click)="openDelete(dataItem)">Delete</button>
+        </ng-template>
+      </kendo-grid-column>
+    </kendo-grid>
+  </div>
+
+  <!-- Mobile: card list -->
+  <div class="md:hidden flex flex-col gap-3">
+    <div *ngFor="let row of rows" class="rounded border border-gray-200 p-3 flex flex-col gap-1">
+      <div class="flex items-center justify-between">
+        <span class="font-semibold">{{ row.name }}</span>
+        <span class="tabular-nums">{{ row.totalAmount | currency }}</span>
+      </div>
+      <div class="text-sm text-gray-600">{{ row.vendorName || '—' }} · {{ row.ministryName }}</div>
+      <div class="text-xs text-gray-500">{{ row.createdByName || '—' }} · {{ row.createdAt | date:'yyyy-MM-dd' }}</div>
+      <div class="flex gap-2 pt-1">
+        <button kendoButton size="small" fillMode="outline" (click)="openRename(row)">Rename</button>
+        <button kendoButton size="small" fillMode="outline" themeColor="error" (click)="openDelete(row)">Delete</button>
+      </div>
+    </div>
+    <p *ngIf="!loading && rows.length === 0" class="text-sm text-gray-500">尚無範本 / No snapshots yet.</p>
+  </div>
+
+  <!-- Rename dialog -->
+  <kendo-dialog *ngIf="renameRow" title="重新命名 / Rename Snapshot" [width]="420" [maxWidth]="'95vw'" (close)="cancelRename()">
+    <label class="flex flex-col gap-1 p-2">名稱 / Name
+      <kendo-textbox [(ngModel)]="renameValue"></kendo-textbox>
+    </label>
+    <kendo-dialog-actions>
+      <button kendoButton (click)="cancelRename()">Cancel</button>
+      <button kendoButton themeColor="primary" [disabled]="!renameValue.trim() || renameSaving"
+        (click)="confirmRename()">{{ renameSaving ? 'Saving…' : 'Save' }}</button>
+    </kendo-dialog-actions>
+  </kendo-dialog>
+
+  <!-- Delete confirm dialog -->
+  <kendo-dialog *ngIf="deleteRow" title="刪除 / Delete Snapshot" [width]="420" [maxWidth]="'95vw'" (close)="cancelDelete()">
+    <p class="p-2">確定刪除「{{ deleteRow.name }}」？ / Delete "{{ deleteRow.name }}"?</p>
+    <kendo-dialog-actions>
+      <button kendoButton (click)="cancelDelete()">Cancel</button>
+      <button kendoButton themeColor="error" (click)="confirmDelete()">Delete</button>
+    </kendo-dialog-actions>
+  </kendo-dialog>
+</div>

APP/src/app/features/expense/pages/expense-snapshots-page/expense-snapshots-page.component.scss

@@ -0,0 +1,3 @@
+.page {
+  padding: 0.5rem 0;
+}

APP/src/app/features/expense/pages/expense-snapshots-page/expense-snapshots-page.component.ts

@@ -0,0 +1,84 @@
+import { Component, OnInit } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { FormsModule } from '@angular/forms';
+import { GridModule } from '@progress/kendo-angular-grid';
+import { ButtonsModule } from '@progress/kendo-angular-buttons';
+import { InputsModule } from '@progress/kendo-angular-inputs';
+import { DialogsModule } from '@progress/kendo-angular-dialog';
+import { ExpenseSnapshotApiService } from '../../services/expense-snapshot-api.service';
+import { ExpenseSnapshotDto } from '../../models/expense-snapshot.model';
+import { switchMap } from 'rxjs';
+
+@Component({
+  selector: 'app-expense-snapshots-page',
+  standalone: true,
+  imports: [CommonModule, FormsModule, GridModule, ButtonsModule, InputsModule, DialogsModule],
+  templateUrl: './expense-snapshots-page.component.html',
+  styleUrls: ['./expense-snapshots-page.component.scss'],
+})
+export class ExpenseSnapshotsPageComponent implements OnInit {
+  rows: ExpenseSnapshotDto[] = [];
+  loading = false;
+
+  /** Row being renamed (drives the rename dialog); null when closed. */
+  renameRow: ExpenseSnapshotDto | null = null;
+  renameValue = '';
+  renameSaving = false;
+
+  /** Row pending delete confirmation. */
+  deleteRow: ExpenseSnapshotDto | null = null;
+
+  constructor(private api: ExpenseSnapshotApiService) {}
+
+  ngOnInit(): void { this.load(); }
+
+  load(): void {
+    this.loading = true;
+    this.api.getAll().subscribe({
+      next: list => { this.rows = list; this.loading = false; },
+      error: () => { this.loading = false; },
+    });
+  }
+
+  openRename(row: ExpenseSnapshotDto): void {
+    this.renameRow = row;
+    this.renameValue = row.name;
+  }
+  cancelRename(): void { this.renameRow = null; }
+
+  confirmRename(): void {
+    const row = this.renameRow;
+    const name = this.renameValue.trim();
+    if (!row || !name || this.renameSaving) return;
+    this.renameSaving = true;
+    // Fetch the full snapshot, swap the name, PUT it back (lines/fields preserved).
+    this.api.getById(row.id).pipe(
+      switchMap(full => this.api.update(row.id, {
+        name,
+        ministryId: full.ministryId,
+        description: full.description,
+        vendorName: full.vendorName,
+        checkNumber: full.checkNumber,
+        notes: full.notes,
+        lines: full.lines.map(l => ({
+          categoryGroupId: l.categoryGroupId,
+          subCategoryId: l.subCategoryId,
+          amount: l.amount,
+          functionalClass: l.functionalClass,
+          description: l.description,
+        })),
+      })),
+    ).subscribe({
+      next: () => { this.renameSaving = false; this.renameRow = null; this.load(); },
+      error: () => { this.renameSaving = false; },
+    });
+  }
+
+  openDelete(row: ExpenseSnapshotDto): void { this.deleteRow = row; }
+  cancelDelete(): void { this.deleteRow = null; }
+
+  confirmDelete(): void {
+    if (!this.deleteRow) return;
+    this.api.delete(this.deleteRow.id).subscribe(() => { this.deleteRow = null; this.load(); });
+  }
+}