修复FIDC选股阶段风控语义

crates/fidc-core/src/engine.rs

@@ -5002,9 +5002,22 @@ mod tests {
                 .map(|snapshot| snapshot.close),
             Some(11.5)
         );
+        assert_eq!(
+            dataset
+                .eligible_universe_on(first)
+                .iter()
+                .map(|row| row.symbol.clone())
+                .collect::<Vec<_>>(),
+            vec![SYMBOL.to_string()],
+            "raw DataSet helper should not apply default selection risk"
+        );
+        let mut selection_risk_config = FidcRiskControlConfig::default();
+        selection_risk_config.static_rules.reject_paused_selection = true;
         assert!(
-            dataset.eligible_universe_on(first).is_empty(),
-            "raw DataSet helper remains a risk-filtered universe"
+            dataset
+                .eligible_universe_on_with_risk_config(first, &selection_risk_config)
+                .is_empty(),
+            "explicit raw DataSet selection risk can still filter the universe"
         );
         assert_eq!(
             manual_ctx
@@ -5017,7 +5030,7 @@ mod tests {
         );
         assert_eq!(
             manual_ctx
-                .eligible_universe_on_with_risk_config(first, &FidcRiskControlConfig::default())
+                .eligible_universe_on_with_risk_config(first, &selection_risk_config)
                 .into_iter()
                 .map(|row| row.symbol)
                 .collect::<Vec<_>>(),