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>

.eslintrc.json

@@ -0,0 +1,47 @@
+{
+  "root": true,
+  "ignorePatterns": ["projects/**/*"],
+  "overrides": [
+    {
+      "files": ["*.ts"],
+      "parserOptions": {
+        "project": ["tsconfig.json"],
+        "createDefaultProgram": true
+      },
+      "extends": [
+        "plugin:@angular-eslint/recommended",
+        "plugin:@angular-eslint/template/process-inline-templates"
+      ],
+      "rules": {
+        "@angular-eslint/prefer-standalone": "off",
+        "@angular-eslint/component-class-suffix": [
+          "error",
+          {
+            "suffixes": ["Page", "Component"]
+          }
+        ],
+        "@angular-eslint/component-selector": [
+          "error",
+          {
+            "type": "element",
+            "prefix": "app",
+            "style": "kebab-case"
+          }
+        ],
+        "@angular-eslint/directive-selector": [
+          "error",
+          {
+            "type": "attribute",
+            "prefix": "app",
+            "style": "camelCase"
+          }
+        ]
+      }
+    },
+    {
+      "files": ["*.html"],
+      "extends": ["plugin:@angular-eslint/template/recommended"],
+      "rules": {}
+    }
+  ]
+}