v0.3.2

tests/image-metadata.test.ts

@@ -0,0 +1,14 @@
+import { describe, expect, it } from 'vitest';
+import { inspectImageGeneratorMetadata } from '../src/background/image-metadata';
+
+describe('image generator metadata clues', () => {
+  it('recognises a Stable Diffusion parameters block', async () => {
+    const blob = new Blob(['PNG metadata\0Steps: 30, Sampler: Euler a, CFG scale: 7, Seed: 42']);
+    const evidence = await inspectImageGeneratorMetadata(blob);
+    expect(evidence[0]).toMatchObject({ kind: 'generator', strength: 'detected', verdict: 'ai' });
+  });
+
+  it('does not flag an ordinary image byte sequence', async () => {
+    expect(await inspectImageGeneratorMetadata(new Blob(['ordinary image metadata']))).toEqual([]);
+  });
+});