feat: 品种下拉统一展示推荐列表，与下方品种推荐表一致。

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

app.py

@@ -24,7 +24,13 @@ from werkzeug.security import check_password_hash, generate_password_hash
 
 from functools import wraps
 
-from symbols import search_symbols, ths_to_codes, list_main_contracts_grouped, refresh_main_index
+from symbols import (
+    search_symbols,
+    ths_to_codes,
+    list_main_contracts_grouped,
+    list_recommended_symbols_grouped,
+    refresh_main_index,
+)
 from contract_specs import calc_position_metrics
 from fee_specs import (
     calc_fee_breakdown,
@@ -742,6 +748,26 @@ def api_symbols_mains():
     return jsonify(list_main_contracts_grouped())
 
 
+@app.route("/api/symbols/recommended")
+@login_required
+def api_symbols_recommended():
+    """品种下拉：仅展示当前资金下推荐的品种（与下方品种推荐表一致）。"""
+    from recommend_store import recommend_payload
+    from trading_context import get_account_capital, get_max_margin_pct
+
+    conn = get_db()
+    try:
+        capital = get_account_capital(conn, get_setting)
+        payload = recommend_payload(
+            conn,
+            live_capital=capital,
+            max_margin_pct=get_max_margin_pct(get_setting),
+        )
+        return jsonify(list_recommended_symbols_grouped(payload.get("rows") or []))
+    finally:
+        conn.close()
+
+
 @app.route("/api/key_prices")
 @login_required
 def api_key_prices():