feat(dross): avatar component (soft-eye / wisp / motes)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

tests/views/dross_avatar.test.js

@@ -0,0 +1,21 @@
+// @vitest-environment jsdom
+import { describe, it, expect } from 'vitest';
+import { drossAvatar } from '../../public/components/dross_avatar.js';
+
+describe('drossAvatar', () => {
+  it('renders the requested variant class', () => {
+    const eye = drossAvatar('soft-eye', 60);
+    expect(eye.classList.contains('dross-orb')).toBe(true);
+    expect(eye.querySelector('.av-eye')).toBeTruthy();
+    expect(drossAvatar('wisp', 30).querySelector('.b-core')).toBeTruthy();
+    expect(drossAvatar('motes', 30).querySelector('.d-core')).toBeTruthy();
+  });
+  it('falls back to soft-eye for unknown variants', () => {
+    expect(drossAvatar('bogus', 60).querySelector('.av-eye')).toBeTruthy();
+  });
+  it('sets the pixel size', () => {
+    const a = drossAvatar('wisp', 42);
+    expect(a.style.width).toBe('42px');
+    expect(a.style.height).toBe('42px');
+  });
+});