repro: unnamed chips receive sequential unnamed_chip fallback names

tests/repros/repro61-unnamed-chips.test.tsx

@@ -0,0 +1,46 @@
+import { expect, test } from "bun:test"
+import { getTestFixture } from "../fixtures/get-test-fixture"
+
+test("unnamed chips receive sequential unnamed_chip fallback names", async () => {
+  const { circuit } = getTestFixture()
+
+  circuit.add(
+    <board width="15mm" height="10mm">
+      {/* @ts-expect-error - Testing unnamed chip fallback naming */}
+      <chip
+        footprint="soic8"
+        schHeight={2}
+        schWidth={2}
+        pinLabels={{
+          pin1: ["A1"],
+          pin2: ["A2"],
+        }}
+      />
+
+      {/* @ts-expect-error - Testing unnamed chip fallback naming */}
+      <chip
+        schHeight={2}
+        schWidth={2}
+        footprint="pinrow8"
+        pinLabels={{
+          pin1: ["A1"],
+          pin2: ["A2"],
+        }}
+      />
+      <trace from=".unnamed_chip1 > .pin1" to=".unnamed_chip2 > .pin1" />
+    </board>,
+  )
+
+  await circuit.renderUntilSettled()
+
+  const circuitJson = circuit.getCircuitJson()
+
+  // Explicitly check the names of the created source components.
+  const sourceComponents = circuitJson.filter(
+    (e: any) => e.type === "source_component" && e.ftype === "simple_chip",
+  )
+  const names = sourceComponents.map((c: any) => c.name).sort()
+
+  expect(sourceComponents).toHaveLength(2)
+  expect(names).toEqual(["unnamed_chip1", "unnamed_chip2"])
+})