Show hub fullscreen options positions as cards matching instance data.

Enrich hub options snapshot with close preview and render read-only option position cards in exchange fullscreen view.

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

lib/options/options_register.py

@@ -216,22 +216,15 @@ def _attach_close_preview(
     sheets: int | None = None,
     premium_paid: float | None = None,
 ) -> dict[str, Any]:
-    inst_id = str(row.get("inst_id") or row.get("instId") or "").strip()
-    if not inst_id:
-        return row
-    ct_mult = float(row.get("ct_mult") or 0.01)
-    target_sheets = int(sheets) if sheets is not None else int(abs(_safe_float(row.get("pos")) or 0))
-    paid = premium_paid if premium_paid is not None else _safe_float(row.get("premium_paid"))
-    book = cfg["fetch_option_book_depth"](ex, inst_id, 5)
-    row["bid_depth"] = book.get("bids") or []
-    row["ask_depth"] = book.get("asks") or []
-    row["close_preview"] = estimate_close_by_bids(
-        row["bid_depth"],
-        target_sheets,
-        ct_mult=ct_mult,
-        premium_paid=paid,
+    from lib.options.options_positions_lib import attach_close_preview
+
+    return attach_close_preview(
+        cfg,
+        ex,
+        row,
+        sheets=sheets,
+        premium_paid=premium_paid,
     )
-    return row
 
 
 _OPTIONS_SYNC_LOCK = threading.Lock()