fix: publish LCOV in Sonar CI so PR quality gate passes

Co-authored-by: Cursor <cursoragent@cursor.com>

src/telemetry.test.ts

@@ -0,0 +1,26 @@
+import assert from "node:assert/strict";
+import test from "node:test";
+import { SeverityNumber, startTelemetry } from "./telemetry.js";
+
+test("startTelemetry emits and shuts down without throwing", async () => {
+  process.env.OTEL_EXPORTER_OTLP_ENDPOINT =
+    process.env.OTEL_EXPORTER_OTLP_ENDPOINT ?? "http://127.0.0.1:4318";
+  process.env.OTEL_SERVICE_NAME = "ticketlab-test";
+
+  const telemetry = startTelemetry("ticketlab-test");
+  const counter = telemetry.meter.createCounter("ticketlab_test_runs_total");
+
+  await telemetry.tracer.startActiveSpan("ticketlab.test", async (span) => {
+    counter.add(1, { component: "test" });
+    telemetry.logger.emit({
+      severityNumber: SeverityNumber.INFO,
+      severityText: "INFO",
+      body: "telemetry self-check",
+      attributes: { "ticketlab.event": "test" },
+    });
+    span.end();
+  });
+
+  await telemetry.shutdown();
+  assert.equal(typeof SeverityNumber.INFO, "number");
+});