WIP: round numeric columns only (test branch)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

quantcore/cli.py

@@ -72,6 +72,14 @@ def cmd_clean(args) -> int:
     return 0
 
 
+def _rounded(table: pd.DataFrame, digits: int) -> pd.DataFrame:
+    """Round the numeric columns only: pandas warns when asked to round the date columns too."""
+    out = table.copy()
+    numeric = out.select_dtypes("number").columns
+    out[numeric] = out[numeric].round(digits)
+    return out
+
+
 def cmd_snapshot(args) -> int:
     from quantcore.data.store import DataStore
 
@@ -98,7 +106,7 @@ def cmd_risk(args) -> int:
     table = RiskService(md).asset_risk(args.symbols, freq=args.freq, window=args.window, lam=args.lam,
                                        horizon=args.horizon, currency=args.currency)
     with pd.option_context("display.width", 200, "display.max_columns", 30):
-        print(table.round(5).T)
+        print(_rounded(table, 5).T)
     return 0
 
 
@@ -111,7 +119,7 @@ def cmd_performance(args) -> int:
     table = PerformanceService(md, s.risk_free_rate).asset_performance(args.symbols, freq=args.freq,
                                                                        currency=args.currency, start=args.start)
     with pd.option_context("display.width", 200, "display.max_columns", 30):
-        print(table.round(4).T)
+        print(_rounded(table, 4).T)
     return 0