@

Add star-map Angular app, ETL pipeline, and caveman plugin

Angular 3D star map (galaxy/system/body views, Three.js rendering,
navigation store) plus the NASA ETL tooling that builds the star,
exoplanet and solar-system datasets, Playwright e2e suite, and the
cs:caveman Claude Code plugin (command, agent, skill).

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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src/app/shared/state/navigation.store.spec.ts

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+import { TestBed } from '@angular/core/testing';
+import { describe, beforeEach, expect, it } from 'vitest';
+
+import { NavigationStore } from './navigation.store';
+
+describe('NavigationStore', () => {
+  let store: NavigationStore;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+    store = TestBed.inject(NavigationStore);
+  });
+
+  it('starts at the galaxy view with nothing selected', () => {
+    expect(store.viewLevel()).toBe('galaxy');
+    expect(store.selectedStarId()).toBeNull();
+    expect(store.selectedBodyId()).toBeNull();
+  });
+
+  it('selectStar updates selectedStarId', () => {
+    store.selectStar(42);
+
+    expect(store.selectedStarId()).toBe(42);
+  });
+
+  it('selectBody updates selectedBodyId', () => {
+    store.selectBody('mars');
+
+    expect(store.selectedBodyId()).toBe('mars');
+  });
+
+  it('setViewLevel switches between galaxy and system', () => {
+    store.setViewLevel('system');
+
+    expect(store.viewLevel()).toBe('system');
+  });
+});