修复延迟执行选股风控语义

crates/fidc-core/src/data.rs

@@ -2506,6 +2506,10 @@ impl DataSet {
             .unwrap_or(&[])
     }
 
+    pub fn fundamental_universe_on(&self, date: NaiveDate) -> Vec<EligibleUniverseSnapshot> {
+        build_fundamental_universe_for_date(date, &self.factor_by_date, &self.market_by_date)
+    }
+
     pub fn eligible_universe_on_with_risk_config(
         &self,
         date: NaiveDate,
@@ -3051,6 +3055,41 @@ fn build_eligible_universe(
     per_date
 }
 
+fn build_fundamental_universe_for_date(
+    date: NaiveDate,
+    factor_by_date: &BTreeMap<NaiveDate, Vec<Arc<DailyFactorSnapshot>>>,
+    market_by_date: &BTreeMap<NaiveDate, Vec<Arc<DailyMarketSnapshot>>>,
+) -> Vec<EligibleUniverseSnapshot> {
+    let mut rows = Vec::new();
+    let Some(factors) = factor_by_date.get(&date) else {
+        return rows;
+    };
+    for factor in factors {
+        let Some(market) = market_by_date
+            .get(&date)
+            .and_then(|rows| find_arc_by_symbol(rows, &factor.symbol, |row| row.symbol.as_str()))
+        else {
+            continue;
+        };
+        let market_cap_bn = decision_market_cap_bn(factor, market);
+        if market_cap_bn <= 0.0 || !market_cap_bn.is_finite() {
+            continue;
+        }
+        rows.push(EligibleUniverseSnapshot {
+            symbol: factor.symbol.clone(),
+            market_cap_bn,
+            free_float_cap_bn: decision_free_float_cap_bn(factor, market),
+        });
+    }
+    rows.sort_by(|left, right| {
+        left.market_cap_bn
+            .partial_cmp(&right.market_cap_bn)
+            .unwrap_or(std::cmp::Ordering::Equal)
+            .then_with(|| left.symbol.cmp(&right.symbol))
+    });
+    rows
+}
+
 fn build_eligible_universe_for_date(
     date: NaiveDate,
     factor_by_date: &BTreeMap<NaiveDate, Vec<Arc<DailyFactorSnapshot>>>,