fix: wire OTLP logs for diagnostics

src/infra/diagnostic-events.test.ts

@@ -25,4 +25,31 @@ describe("diagnostic-events", () => {
 
     expect(seqs).toEqual([1, 2]);
   });
+
+  test("emits message-flow events", async () => {
+    resetDiagnosticEventsForTest();
+    const types: string[] = [];
+    const stop = onDiagnosticEvent((evt) => types.push(evt.type));
+
+    emitDiagnosticEvent({
+      type: "webhook.received",
+      channel: "telegram",
+      updateType: "telegram-post",
+    });
+    emitDiagnosticEvent({
+      type: "message.queued",
+      channel: "telegram",
+      source: "telegram",
+      queueDepth: 1,
+    });
+    emitDiagnosticEvent({
+      type: "session.state",
+      state: "processing",
+      reason: "run_started",
+    });
+
+    stop();
+
+    expect(types).toEqual(["webhook.received", "message.queued", "session.state"]);
+  });
 });