Add architecture package and application skeleton

tests/integration/test_http_app.py

@@ -0,0 +1,53 @@
+from fastapi.testclient import TestClient
+
+from ai_orchestrator.main import app
+
+
+def test_health_endpoint_returns_ok() -> None:
+    client = TestClient(app)
+
+    response = client.get("/health")
+
+    assert response.status_code == 200
+    assert response.json() == {"status": "ok"}
+
+
+def test_post_tasks_creates_planned_task() -> None:
+    client = TestClient(app)
+
+    response = client.post(
+        "/tasks",
+        json={
+            "project_id": "default",
+            "goal": "Prepare a plan",
+            "inputs": {"source": "test"},
+            "execution_mode": "agent_graph",
+        },
+    )
+
+    payload = response.json()
+
+    assert response.status_code == 200
+    assert payload["status"] == "planned"
+    assert payload["progress"]["total"] == 2
+
+
+def test_worker_registration_is_exposed_via_list_endpoint() -> None:
+    client = TestClient(app)
+
+    registration = client.post(
+        "/workers/register",
+        json={
+            "worker_id": "worker_home_pc",
+            "name": "Home PC",
+            "capabilities": ["file.read", "command.run"],
+            "version": "0.1.0",
+            "machine": "DESKTOP-1",
+            "os": "windows",
+        },
+    )
+    listing = client.get("/workers")
+
+    assert registration.status_code == 200
+    assert listing.status_code == 200
+    assert any(worker["worker_id"] == "worker_home_pc" for worker in listing.json()["workers"])