Show OKX-style perp/option position cards on plan page.

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

backend/app/sim/matcher.py

@@ -389,6 +389,7 @@ class Matcher:
             }
         gw = get_gateway()
         snap = gw.snapshot()
+        s = get_settings()
         index_px = snap.index_px
         if index_px is None and snap.perp:
             index_px = snap.perp.mark_px
@@ -425,11 +426,37 @@ class Matcher:
         move = abs(float(index_px) - entry_idx) if index_px is not None and entry_idx else 0.0
         initial_premium = float(pos["initial_premium"] or 0)
         premium_gap = initial_premium - perp_upl
+
+        group_id = pos.get("group_id")
+        g = (
+            self.db.fetchone("SELECT * FROM groups WHERE group_id=?", (group_id,))
+            if group_id
+            else None
+        )
+        strike = float(g["strike"]) if g and g["strike"] is not None else None
+        expiry_ymd = str(g["expiry_ymd"]) if g and g["expiry_ymd"] else None
+        perp_inst_id = (
+            str(g["perp_inst_id"])
+            if g and g["perp_inst_id"]
+            else s.perp_inst_id
+        )
+
         return {
             "has_position": True,
-            "group_id": pos["group_id"],
+            "group_id": group_id,
             "perp_side": perp_side,
             "option_side": option_side,
+            "perp_inst_id": perp_inst_id,
+            "perp_entry_px": perp_entry,
+            "perp_qty_eth": perp_qty,
+            "perp_mark_px": float(mark) if mark is not None else None,
+            "option_inst_id": pos.get("option_inst_id"),
+            "option_entry_px": float(pos["option_entry_px"] or 0),
+            "option_qty_eth": float(pos["option_qty_eth"] or 0),
+            "option_qty_contracts": float(pos["option_qty_contracts"] or 0),
+            "option_mark_px": float(opt_mark) if opt_mark is not None else None,
+            "strike": strike,
+            "expiry_ymd": expiry_ymd,
             "perp_upl": perp_upl,
             "option_upl": option_upl,
             "index_px": index_px,