feat: extend operational investigation workflows

tests/api/test_task_question_endpoints.py

@@ -0,0 +1,39 @@
+import asyncio
+from uuid import uuid4
+
+from fastapi import FastAPI
+from fastapi.testclient import TestClient
+
+from app.api.v1.endpoints import operational_tasks as endpoints
+from tests.unit.test_task_questions import setup, finish
+
+
+def test_question_http_contract_waits_and_resumes_original_task(monkeypatch):
+    service, repo, task_id, command = setup()
+    app = FastAPI()
+    app.include_router(endpoints.router)
+    monkeypatch.setattr(endpoints, "_service", lambda *_args: service)
+    # Exercise HTTP parsing and response contracts; service tests cover authorization.
+    for route in app.routes:
+        if getattr(route, "name", "") in {"create_operational_task_question", "answer_operational_task_question"}:
+            for dependency in route.dependant.dependencies:
+                app.dependency_overrides[dependency.call] = lambda: None
+    with TestClient(app) as client:
+        path = f"/operational-tasks/{task_id}/questions"
+        invalid = client.post(path, json={**command.model_dump(mode="json"), "project_id": str(uuid4())})
+        assert invalid.status_code == 422
+        created = client.post(path, json=command.model_dump(mode="json"))
+        assert created.status_code == 200, created.text
+        question_id = created.json()["question_request_id"]
+        asyncio.run(finish(service, repo, task_id))
+        answered = client.post(f"{path}/{question_id}/answer", json={
+            "request_id": str(uuid4()), "expected_version": 1,
+            "answers": [{"question_id": "flow", "selected_option_ids": ["unknown"], "custom_text": ""}],
+        })
+        assert answered.status_code == 200, answered.text
+        result = answered.json()
+        assert result["task_id"] == str(task_id) and result["execution_generation"] == 2
+        assert result["active_run"]["status"] == "queued"
+        assert result["questions"][0]["status"] == "answered"
+        assert result["questions"][0]["answered_by"] == service._actor()
+        assert result["evidence"] == []