feat(giving): giving categories management page

Add GivingCategoriesPageComponent — standalone Angular 18 component with Kendo Grid (list/deactivate) and Kendo Dialog (add/edit form) for managing giving types.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

APP/src/app/features/giving/pages/giving-categories-page/giving-categories-page.component.html

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+<div class="page">
+  <header class="page-header">
+    <h2>Giving Types / 奉獻類型</h2>
+    <div class="header-actions">
+      <label class="inactive-toggle">
+        <input type="checkbox" [(ngModel)]="includeInactive" (change)="load()" /> Show inactive
+      </label>
+      <button kendoButton themeColor="primary" (click)="openAdd()">+ Add</button>
+    </div>
+  </header>
+
+  <kendo-grid [data]="data" [loading]="isLoading">
+    <kendo-grid-column field="sortOrder" title="#" [width]="60"></kendo-grid-column>
+    <kendo-grid-column field="name_en" title="Name (EN)"></kendo-grid-column>
+    <kendo-grid-column field="name_zh" title="名稱 (中)"></kendo-grid-column>
+    <kendo-grid-column field="isActive" title="Active" [width]="90">
+      <ng-template kendoGridCellTemplate let-c>{{ c.isActive ? 'Yes' : 'No' }}</ng-template>
+    </kendo-grid-column>
+    <kendo-grid-column title="Actions" [width]="160">
+      <ng-template kendoGridCellTemplate let-c>
+        <button kendoButton fillMode="flat" (click)="openEdit(c)">Edit</button>
+        <button kendoButton fillMode="flat" *ngIf="c.isActive" (click)="deactivate(c)">Deactivate</button>
+      </ng-template>
+    </kendo-grid-column>
+  </kendo-grid>
+
+  <kendo-dialog *ngIf="showDialog" [title]="editing ? 'Edit Giving Type' : 'Add Giving Type'" (close)="showDialog=false" [width]="480">
+    <div class="form-grid">
+      <label>
+        Name (EN) *
+        <kendo-textbox [(ngModel)]="form.name_en"></kendo-textbox>
+      </label>
+      <label>
+        名稱 (中)
+        <kendo-textbox [(ngModel)]="form.name_zh"></kendo-textbox>
+      </label>
+      <label>
+        Description (EN)
+        <kendo-textbox [(ngModel)]="form.description_en"></kendo-textbox>
+      </label>
+      <label>
+        說明 (中)
+        <kendo-textbox [(ngModel)]="form.description_zh"></kendo-textbox>
+      </label>
+      <label>
+        Sort order
+        <kendo-numerictextbox [(ngModel)]="form.sortOrder" [format]="'n0'" [decimals]="0" [min]="0"></kendo-numerictextbox>
+      </label>
+      <label *ngIf="editing">
+        <input type="checkbox" [(ngModel)]="form.isActive" /> Active
+      </label>
+    </div>
+    <kendo-dialog-actions>
+      <button kendoButton (click)="showDialog=false">Cancel</button>
+      <button kendoButton themeColor="primary" [disabled]="!form.name_en" (click)="save()">Save</button>
+    </kendo-dialog-actions>
+  </kendo-dialog>
+</div>

APP/src/app/features/giving/pages/giving-categories-page/giving-categories-page.component.scss

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+.page-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 1rem;
+}
+
+.header-actions {
+  display: flex;
+  align-items: center;
+  gap: 1rem;
+}
+
+.inactive-toggle {
+  display: flex;
+  align-items: center;
+  gap: 0.25rem;
+  cursor: pointer;
+}
+
+.form-grid {
+  display: flex;
+  flex-direction: column;
+  gap: 0.75rem;
+}
+
+.form-grid label {
+  display: flex;
+  flex-direction: column;
+  gap: 0.25rem;
+}

APP/src/app/features/giving/pages/giving-categories-page/giving-categories-page.component.ts

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+import { Component, OnInit } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { FormsModule } from '@angular/forms';
+import { GridModule } from '@progress/kendo-angular-grid';
+import { InputsModule } from '@progress/kendo-angular-inputs';
+import { ButtonsModule } from '@progress/kendo-angular-buttons';
+import { DialogsModule } from '@progress/kendo-angular-dialog';
+import { GivingCategoryApiService } from '../../services/giving-category-api.service';
+import {
+  GivingCategoryDto, CreateGivingCategoryRequest, UpdateGivingCategoryRequest,
+} from '../../models/giving.model';
+
+@Component({
+  selector: 'app-giving-categories-page',
+  standalone: true,
+  imports: [CommonModule, FormsModule, GridModule, InputsModule, ButtonsModule, DialogsModule],
+  templateUrl: './giving-categories-page.component.html',
+  styleUrls: ['./giving-categories-page.component.scss'],
+})
+export class GivingCategoriesPageComponent implements OnInit {
+  data: GivingCategoryDto[] = [];
+  isLoading = false;
+  includeInactive = false;
+
+  showDialog = false;
+  editing: GivingCategoryDto | null = null;
+  form: UpdateGivingCategoryRequest = this.blankForm();
+
+  constructor(private api: GivingCategoryApiService) {}
+
+  ngOnInit(): void { this.load(); }
+
+  load(): void {
+    this.isLoading = true;
+    this.api.getAll(this.includeInactive).subscribe({
+      next: rows => { this.data = rows; this.isLoading = false; },
+      error: () => { this.isLoading = false; },
+    });
+  }
+
+  openAdd(): void { this.editing = null; this.form = this.blankForm(); this.showDialog = true; }
+
+  openEdit(c: GivingCategoryDto): void {
+    this.editing = c;
+    this.form = {
+      name_en: c.name_en, name_zh: c.name_zh,
+      description_en: c.description_en, description_zh: c.description_zh,
+      isActive: c.isActive, sortOrder: c.sortOrder,
+    };
+    this.showDialog = true;
+  }
+
+  save(): void {
+    if (this.editing) {
+      this.api.update(this.editing.id, this.form).subscribe(() => { this.showDialog = false; this.load(); });
+    } else {
+      const create: CreateGivingCategoryRequest = {
+        name_en: this.form.name_en, name_zh: this.form.name_zh,
+        description_en: this.form.description_en, description_zh: this.form.description_zh,
+        sortOrder: this.form.sortOrder,
+      };
+      this.api.create(create).subscribe(() => { this.showDialog = false; this.load(); });
+    }
+  }
+
+  deactivate(c: GivingCategoryDto): void {
+    if (!confirm(`Deactivate "${c.name_en}"?`)) return;
+    this.api.deactivate(c.id).subscribe(() => this.load());
+  }
+
+  private blankForm(): UpdateGivingCategoryRequest {
+    return { name_en: '', name_zh: null, description_en: null, description_zh: null, isActive: true, sortOrder: 0 };
+  }
+}