Terminal: colors, status emoji and a live spinner line for waits at a TTY; plain lines unchanged when piped, in CI, with NO_COLOR, TERM=dumb, --json or MCP; desktop download progress through the log

tests/log-fancy.test.ts

@@ -0,0 +1,26 @@
+// Terminal styling is for people only: piped, CI, NO_COLOR, TERM=dumb, MCP and serve children get the plain lines.
+import { describe, expect, test } from 'bun:test';
+import { emojiFor, fancy } from '../cli/lib/log';
+
+describe('fancy terminal output', () => {
+  test('only on a TTY with nothing asking for plain text', () => {
+    expect(fancy({}, true)).toBe(true);
+    expect(fancy({}, false)).toBe(false);
+    for (const env of [{ NO_COLOR: '1' }, { CI: 'true' }, { TERM: 'dumb' }, { STOREBOUND_MCP: '1' }, { STOREBOUND_MACHINE: '1' }]) expect(fancy(env, true)).toBe(false);
+  });
+  test('emoji by level and message', () => {
+    expect(emojiFor('anything', 'done')).toBe('✅');
+    expect(emojiFor('anything', 'warn')).toBe('⚠️ ');
+    expect(emojiFor('upload failed: 409', 'log')).toBe('❌');
+    expect(emojiFor('uploading 3 files', 'log')).toBe('📦');
+    expect(emojiFor('submitted for review', 'log')).toBe('🚀');
+    expect(emojiFor('dry run: nothing changed', 'log')).toBe('🧪');
+  });
+  test('a piped run prints the plain line, no ANSI', () => {
+    const r = Bun.spawnSync(['bun', '-e', "const { log, warn, done } = await import('./cli/lib/log.ts'); log('t', 'waiting for x'); warn('t', 'careful'); done('t', 'ok');"], { cwd: `${import.meta.dir}/..`, stdout: 'pipe', stderr: 'pipe' });
+    const out = r.stdout.toString() + r.stderr.toString();
+    expect(out).not.toMatch(/\x1b\[/);
+    expect(out).toMatch(/\[t\] waiting for x/);
+    expect(out).toMatch(/\[t\] WARN careful/);
+  });
+});