Add industry filter to recommendations and fix verify button width.

Show category, turnover, and per-industry counts; clarify volume is in lots. Prevent trade-save button from stretching full column width.

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

symbols.py

@@ -65,6 +65,28 @@ PRODUCTS = [
     {"name": "中证1000", "ths": "IM", "sina": "IM", "exchange": "中金所", "ex": "CFFEX"},
 ]
 
+PRODUCT_CATEGORY_MAP = {
+    "ag": "贵金属", "au": "贵金属",
+    "cu": "有色金属", "al": "有色金属", "zn": "有色金属", "pb": "有色金属", "ni": "有色金属", "sn": "有色金属",
+    "rb": "黑色金属", "hc": "黑色金属", "ss": "黑色金属", "i": "黑色金属", "j": "黑色金属", "jm": "黑色金属",
+    "SF": "黑色金属", "SM": "黑色金属",
+    "sc": "能源化工", "fu": "能源化工", "bu": "能源化工", "ru": "能源化工", "sp": "能源化工",
+    "l": "能源化工", "pp": "能源化工", "v": "能源化工", "eg": "能源化工", "eb": "能源化工", "pg": "能源化工",
+    "MA": "能源化工", "TA": "能源化工", "SA": "能源化工", "UR": "能源化工", "FG": "能源化工",
+    "m": "农产品", "y": "农产品", "p": "农产品", "c": "农产品", "cs": "农产品", "jd": "农产品", "lh": "农产品",
+    "RM": "农产品", "OI": "农产品", "SR": "农产品", "CF": "农产品", "AP": "农产品", "CJ": "农产品", "PK": "农产品",
+    "IF": "金融期货", "IH": "金融期货", "IC": "金融期货", "IM": "金融期货",
+}
+PRODUCT_CATEGORIES = ["贵金属", "有色金属", "黑色金属", "能源化工", "农产品", "金融期货"]
+
+for _p in PRODUCTS:
+    _p["category"] = PRODUCT_CATEGORY_MAP.get(_p["ths"], "其他")
+
+
+def product_category(ths: str) -> str:
+    return PRODUCT_CATEGORY_MAP.get((ths or "").strip(), "其他")
+
+
 EXCHANGE_ORDER = ["上期所", "上期能源", "大商所", "郑商所", "中金所"]
 _MAIN_CACHE: dict[str, tuple[float, dict]] = {}
 _CACHE_TTL = 300