@

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>
@

tools/etl/lib/paths.ts

@@ -0,0 +1,12 @@
+import { mkdirSync } from 'node:fs';
+import { join } from 'node:path';
+
+export const DATA_DIR = join(process.cwd(), 'src', 'assets', 'data');
+
+export function ensureDataDir(): void {
+  mkdirSync(DATA_DIR, { recursive: true });
+}
+
+export function dataPath(fileName: string): string {
+  return join(DATA_DIR, fileName);
+}