Add architecture package and application skeleton

tests/unit/test_worker_service.py

@@ -0,0 +1,26 @@
+from ai_orchestrator.application.services.workers import RegisterWorkerRequest, WorkerService
+from ai_orchestrator.infrastructure.storage.memory import (
+    InMemoryEventStore,
+    InMemoryWorkerRepository,
+)
+
+
+def test_worker_registration_creates_online_session_and_event() -> None:
+    worker_repository = InMemoryWorkerRepository()
+    event_store = InMemoryEventStore()
+    service = WorkerService(worker_repository=worker_repository, event_store=event_store)
+
+    worker = service.register(
+        RegisterWorkerRequest(
+            worker_id="worker_home_pc",
+            name="Home PC",
+            machine="DESKTOP-1",
+            os="windows",
+            version="0.1.0",
+            capabilities=["file.read", "command.run"],
+        )
+    )
+
+    assert worker.status.value == "online"
+    assert worker_repository.get(worker.session_id) is not None
+    assert event_store.items[-1].event_type == "worker_registered"