Fix options add-on premium to sum all open legs for the contract.

Display, close gate, alerts, and full-close accounting no longer use only the latest fill row.

Co-authored-by: Cursor <cursoragent@cursor.com>

lib/options/options_db.py

@@ -93,3 +93,39 @@ def init_options_tables(conn: sqlite3.Connection) -> None:
         ON options_target_monitors(status)
         """
     )
+
+
+def sum_open_premium_paid(conn: sqlite3.Connection, inst_id: str) -> float | None:
+    """同合约所有 open 腿权利金合计(加仓后显示/门控用)."""
+    inst = (inst_id or "").strip()
+    if not inst:
+        return None
+    row = conn.execute(
+        """
+        SELECT SUM(premium_paid) AS total, COUNT(*) AS n
+        FROM options_trades
+        WHERE inst_id = ? AND status = 'open' AND premium_paid IS NOT NULL
+        """,
+        (inst,),
+    ).fetchone()
+    if not row or int(row["n"] or 0) < 1:
+        return None
+    return round(float(row["total"] or 0), 4)
+
+
+def sum_open_sheets(conn: sqlite3.Connection, inst_id: str) -> int | None:
+    """同合约所有 open 腿张数合计."""
+    inst = (inst_id or "").strip()
+    if not inst:
+        return None
+    row = conn.execute(
+        """
+        SELECT SUM(sheets) AS total, COUNT(*) AS n
+        FROM options_trades
+        WHERE inst_id = ? AND status = 'open'
+        """,
+        (inst,),
+    ).fetchone()
+    if not row or int(row["n"] or 0) < 1:
+        return None
+    return int(row["total"] or 0)