Add files via upload

internal/multiagent/reasoning_trace_test.go

@@ -0,0 +1,20 @@
+package multiagent
+
+import "testing"
+
+func TestAggregatedReasoningFromTraceJSON(t *testing.T) {
+	const j = `[
+{"role":"user","content":"hi"},
+{"role":"assistant","content":"c1","reasoning_content":"r1","tool_calls":[{"id":"1","type":"function","function":{"name":"f","arguments":"{}"}}]},
+{"role":"tool","tool_call_id":"1","content":"out"},
+{"role":"assistant","content":"c2","reasoning_content":"r2"}
+]`
+	got := AggregatedReasoningFromTraceJSON(j)
+	want := "r1\nr2"
+	if got != want {
+		t.Fatalf("got %q want %q", got, want)
+	}
+	if AggregatedReasoningFromTraceJSON("") != "" || AggregatedReasoningFromTraceJSON("[]") != "" {
+		t.Fatal("empty expected")
+	}
+}