feat(core): evaluate conditions with desktop's semantics

integration/workflow_run_test.go

@@ -97,10 +97,14 @@ func TestWorkflowRunLifecycle(t *testing.T) {
 	if states.O("start").S("status") != "succeeded" || states.O("agent-1").S("status") != "succeeded" {
 		t.Fatalf("run node_states missing nodes: %v", states)
 	}
-	// The run echoes the kickoff input as its start-node output: the one thing the sim can say truthfully.
-	output := states.O("start").O("output").O("input")
+	// The start node reports the run form the way desktop's variable pool does: each run-form variable
+	// is its own root, and `input` is the authored kickoff prompt (unset in this fixture).
+	output := states.O("start").O("output")
 	if output.S("branch") != "main" {
-		t.Fatalf("start output did not echo input: %v", output)
+		t.Fatalf("start output did not expose the run input variable: %v", output)
+	}
+	if prompt, ok := output["input"].(string); !ok || prompt != "" {
+		t.Fatalf("start output input = %v; want the authored kickoff prompt as a string", output["input"])
 	}
 	// definitionSnapshot is the frozen graph, not the live document: the run carries its own copy.
 	ds := run.O("definitionSnapshot")

internal/collab/workflow-run-simulator.go

@@ -46,8 +46,17 @@ func (MockWorkflowRunSimulator) SimulateWorkflowRun(graph, input core.Object) (n
 			"finishedAt":  finishedAt.UTC().Format(time.RFC3339),
 		}
 		if isStart {
-			// The one thing the sim can truthfully report: what it was kicked off with.
-			state["output"] = core.Object{"input": input}
+			// The one thing the sim can truthfully report: what it was kicked off with. Match the
+			// real Start output shape — `input` is the authored prompt and each run-form variable is
+			// a root — so a UI negative case reads the same pool the scheduler writes.
+			output := core.Object{}
+			for key, value := range input {
+				if key != "input" {
+					output[key] = value
+				}
+			}
+			output["input"] = data.S("input")
+			state["output"] = output
 		} else {
 			state["output"] = core.Object{"message": "Simulated " + title + " result (simulated; no real work was performed)."}
 		}