新增品种简介查询页，支持东方财富/新浪合约规格展示

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

app.py

@@ -28,6 +28,7 @@ from fee_specs import (
     upsert_fee_rate,
 )
 from fee_sync import sync_fees_from_akshare
+from contract_profile import get_contract_profile
 from kline_chart import generate_review_kline_chart
 from market import get_price as market_get_price, set_ths_refresh_token, get_quote_source_label
 
@@ -1291,6 +1292,43 @@ def stats():
     )
 
 
+@app.route("/contract")
+@login_required
+def contract_profile_page():
+    symbol = request.args.get("symbol", "").strip()
+    profile = None
+    error = None
+    if symbol:
+        try:
+            profile = get_contract_profile(symbol)
+            if not profile:
+                error = "未查询到该合约简介，请检查合约代码"
+        except Exception as exc:
+            app.logger.warning("contract profile failed: %s", exc)
+            error = f"查询失败：{exc}"
+    return render_template(
+        "contract.html",
+        symbol=symbol,
+        profile=profile,
+        error=error,
+    )
+
+
+@app.route("/api/contract_profile")
+@login_required
+def api_contract_profile():
+    symbol = request.args.get("symbol", "").strip()
+    if not symbol:
+        return jsonify({"error": "请提供合约代码"}), 400
+    try:
+        profile = get_contract_profile(symbol)
+    except Exception as exc:
+        return jsonify({"error": str(exc)}), 500
+    if not profile:
+        return jsonify({"error": "未查询到合约简介"}), 404
+    return jsonify(profile)
+
+
 @app.route("/fees", methods=["GET", "POST"])
 @login_required
 def fees():