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_positions_lib.py

@@ -0,0 +1,82 @@
+"""期权持仓展示(实例页 / 中控快照共用)."""
+from __future__ import annotations
+
+from typing import Any
+
+from lib.options.options_db import init_options_tables
+from lib.options.options_history_lib import enrich_position_row_display
+from lib.options.options_pricing_lib import estimate_close_by_bids
+
+
+def _safe_float(v: Any) -> float | None:
+    if v is None or v == "":
+        return None
+    try:
+        return float(v)
+    except (TypeError, ValueError):
+        return None
+
+
+def attach_close_preview(
+    cfg: dict[str, Any],
+    ex: Any,
+    row: dict[str, Any],
+    *,
+    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,
+    )
+    return row
+
+
+def build_display_option_positions(
+    cfg: dict[str, Any],
+    ex: Any,
+    raw_positions: list[dict[str, Any]],
+) -> list[dict[str, Any]]:
+    """与实例 /api/options/positions 相同 enrichment + close_preview."""
+    meta_cache: dict[str, dict[str, Any] | None] = {}
+    rows: list[dict[str, Any]] = []
+    conn = cfg["get_db"]()
+    try:
+        init_options_tables(conn)
+        for p in raw_positions:
+            inst = str(p.get("instId") or "").strip()
+            premium_override = None
+            if inst:
+                rec = conn.execute(
+                    """
+                    SELECT premium_paid FROM options_trades
+                    WHERE inst_id = ? AND status = 'open'
+                    ORDER BY id DESC LIMIT 1
+                    """,
+                    (inst,),
+                ).fetchone()
+                if rec and rec["premium_paid"] is not None:
+                    premium_override = float(rec["premium_paid"])
+            row = enrich_position_row_display(
+                cfg,
+                ex,
+                p,
+                meta_cache=meta_cache,
+                premium_override=premium_override,
+            )
+            attach_close_preview(cfg, ex, row, premium_paid=_safe_float(row.get("premium_paid")))
+            rows.append(row)
+    finally:
+        conn.close()
+    return rows