feat(REQ-001): scaffold Ionic 8 + Angular 20 + Capacitor project

- Initialize Ionic tabs project with Angular 20 and Capacitor 8
- Configure 4-tab layout: Journal, Stats, Plans, Profile
- Create feature modules with lazy loading (home, stats, search, profile)
- Add core services stubs (meal, calorie-estimator, auth, storage)
- Add modal placeholders for manual and LLM input
- Apply Precision Vitality design system (colors, fonts, tonal layering)
- Configure Lexend + Plus Jakarta Sans typography
- Implement no-border design rule with tonal surface hierarchy
- Add food dictionary for AI calorie estimation
- Configure environment files with Firebase placeholders
- Set Capacitor appId: run.i_a.calorietracker
- Verify: ionic build and cap sync pass successfully

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

src/app/tabs/tabs.page.spec.ts

@@ -0,0 +1,26 @@
+import { CUSTOM_ELEMENTS_SCHEMA } from '@angular/core';
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { TabsPage } from './tabs.page';
+
+describe('TabsPage', () => {
+  let component: TabsPage;
+  let fixture: ComponentFixture<TabsPage>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [TabsPage],
+      schemas: [CUSTOM_ELEMENTS_SCHEMA],
+    }).compileComponents();
+  });
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(TabsPage);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});