feat: extend operational investigation workflows

tests/unit/test_mcp_analysis.py

@@ -218,7 +218,7 @@ def test_time_sources_and_finite_inputs_are_explicit():
         ("run_simulation", {"duration": 0}),
         ("run_simulation", {"duration": 86401}),
         ("run_simulation", {"timeout_seconds": 0}),
-        ("run_simulation", {"timeout_seconds": 86401}),
+        ("run_simulation", {"timeout_seconds": 241}),
         ("run_simulation", {"timeout_seconds": 30.5}),
         ("run_simulation", {"timeout_seconds": True}),
         ("run_simulation", {"output_node_ids": []}),
@@ -316,9 +316,9 @@ def test_burst_location_optional_inputs_still_reject_partial_or_invalid_values(o
 
 
 @pytest.mark.parametrize("name", INPUTS)
-def test_calculations_accept_agent_execution_budget_separately_from_duration(name):
-    args = arguments(name, timeout_seconds=900)
-    assert args.timeout_seconds == 900
+def test_calculations_accept_http_response_budget_separately_from_duration(name):
+    args = arguments(name, timeout_seconds=180)
+    assert args.timeout_seconds == 180
     if hasattr(args, "duration"):
         assert args.duration == INPUTS[name].get("duration", 900)
 
@@ -350,6 +350,25 @@ def test_adapter_uses_existing_service_without_scheme_or_shared_output(monkeypat
         assert call["n_workers"] == 1
 
 
+@pytest.mark.parametrize("element_type", ["auto", "link", "node"])
+def test_isolation_adapter_preserves_explicit_element_type(monkeypatch, element_type):
+    calls = []
+    monkeypatch.setattr(
+        "app.services.valve_isolation.analyze_valve_isolation",
+        lambda **kwargs: calls.append(kwargs) or {"isolatable": True},
+    )
+    args = arguments("analyze_valve_isolation", accident_element_type=element_type)
+
+    asyncio.run(analysis_service.calculate(
+        "analyze_valve_isolation", args, network="trusted-project", username="actor",
+    ))
+
+    assert calls[0]["accident_element_type"] == element_type
+    assert calls[0]["network"] == "trusted-project"
+    with pytest.raises(ValidationError):
+        arguments("analyze_valve_isolation", accident_element_type="unknown")
+
+
 @pytest.mark.parametrize("name", ["run_burst_location", "run_simulation"])
 def test_dispatch_ends_read_transaction_and_preserves_analysis_provenance(monkeypatch, name):
     order = []