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/app.module.ts

@@ -0,0 +1,24 @@
+import { NgModule } from '@angular/core';
+import { BrowserModule } from '@angular/platform-browser';
+import { RouteReuseStrategy } from '@angular/router';
+import { HttpClientModule } from '@angular/common/http';
+
+import { IonicModule, IonicRouteStrategy } from '@ionic/angular';
+import { IonicStorageModule } from '@ionic/storage-angular';
+
+import { AppRoutingModule } from './app-routing.module';
+import { AppComponent } from './app.component';
+
+@NgModule({
+  declarations: [AppComponent],
+  imports: [
+    BrowserModule,
+    HttpClientModule,
+    IonicModule.forRoot(),
+    IonicStorageModule.forRoot(),
+    AppRoutingModule
+  ],
+  providers: [{ provide: RouteReuseStrategy, useClass: IonicRouteStrategy }],
+  bootstrap: [AppComponent],
+})
+export class AppModule {}