fix(shared): accept local asset paths in trace schema

packages/shared/src/schemas.test.ts

@@ -165,10 +165,18 @@ describe('traceRequestSchema', () => {
     });
   });
 
-  it('rejects an invalid url', () => {
-    expect(traceRequestSchema.safeParse({ url: 'not-a-url' }).success).toBe(
-      false,
-    );
+  it('accepts a local game asset path (not just http(s))', () => {
+    // The proxy resolves relative paths against the games root, so a bare
+    // path is a valid trace source.
+    expect(
+      traceRequestSchema.safeParse({ url: 'poker/parts/assets/cards.png' })
+        .success,
+    ).toBe(true);
+  });
+
+  it('rejects a missing or blank url', () => {
+    expect(traceRequestSchema.safeParse({}).success).toBe(false);
+    expect(traceRequestSchema.safeParse({ url: '' }).success).toBe(false);
   });
 
   it('rejects an unknown mode or format', () => {