feat: port NOFXi agent module onto latest dev base (#1485)

* feat: integrate NOFXi agent into dev

* Enhance NOFXi agent workflow and diagnostics

agent/skill_dag_test.go

@@ -0,0 +1,67 @@
+package agent
+
+import "testing"
+
+func TestGetSkillDAGForStructuredActions(t *testing.T) {
+	tests := []struct {
+		skill  string
+		action string
+	}{
+		{skill: "trader_management", action: "create"},
+		{skill: "trader_management", action: "update_bindings"},
+		{skill: "strategy_management", action: "update_config"},
+		{skill: "strategy_management", action: "update_prompt"},
+		{skill: "model_management", action: "update_status"},
+		{skill: "exchange_management", action: "update_name"},
+	}
+
+	for _, tt := range tests {
+		dag, ok := getSkillDAG(tt.skill, tt.action)
+		if !ok {
+			t.Fatalf("expected DAG for %s/%s", tt.skill, tt.action)
+		}
+		if dag.SkillName != tt.skill || dag.Action != tt.action {
+			t.Fatalf("unexpected dag identity: %+v", dag)
+		}
+		if len(dag.Steps) == 0 {
+			t.Fatalf("expected DAG steps for %s/%s", tt.skill, tt.action)
+		}
+	}
+}
+
+func TestStructuredDAGsHaveTerminalStep(t *testing.T) {
+	for _, dag := range listSkillDAGs() {
+		hasTerminal := false
+		for _, step := range dag.Steps {
+			if step.Terminal {
+				hasTerminal = true
+				break
+			}
+		}
+		if !hasTerminal {
+			t.Fatalf("expected terminal step for %s/%s", dag.SkillName, dag.Action)
+		}
+	}
+}
+
+func TestStrategyUpdateConfigDAGMatchesCurrentAtomicFlow(t *testing.T) {
+	dag, ok := getSkillDAG("strategy_management", "update_config")
+	if !ok {
+		t.Fatal("missing strategy update_config dag")
+	}
+	if len(dag.Steps) != 6 {
+		t.Fatalf("expected 6 steps, got %d", len(dag.Steps))
+	}
+	if dag.Steps[0].ID != "resolve_target" {
+		t.Fatalf("expected first step resolve_target, got %s", dag.Steps[0].ID)
+	}
+	if dag.Steps[1].ID != "resolve_config_field" {
+		t.Fatalf("expected second step resolve_config_field, got %s", dag.Steps[1].ID)
+	}
+	if dag.Steps[2].ID != "resolve_config_value" {
+		t.Fatalf("expected third step resolve_config_value, got %s", dag.Steps[2].ID)
+	}
+	if dag.Steps[5].ID != "execute_update" || !dag.Steps[5].Terminal {
+		t.Fatalf("expected final terminal execute step, got %+v", dag.Steps[5])
+	}
+}