add

backend/sql/08_trade.sql

@@ -159,6 +159,24 @@ BEGIN
     ELSE
         RAISE NOTICE '8️⃣⏩ close_date 子表已存在，跳过';
     END IF;
+
+    -- close_price 子表
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'trade_close_price') THEN
+        CREATE TABLE close_price (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            trade_id UUID NOT NULL,
+            close_price NUMERIC(10,2) NOT NULL CHECK (close_price >= 0.00) DEFAULT 0.00,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_close_price_updated_at
+            BEFORE UPDATE ON close_price
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '9️⃣✅ close_price 子表已创建';
+    ELSE
+        RAISE NOTICE '9️⃣⏩ close_price 子表已存在，跳过';
+    END IF;
 END $$;
 
 -- 4️⃣ 视图 ------------------------------------

backend/提示词条.md

@@ -74,4 +74,12 @@ day INT NOT NULL DEFAULT 0,
 deleted BOOLEAN NOT NULL DEFAULT FALSE,
 created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
 updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+---
+读取./sql/08_trade.sql，然后多加一个子表，子表名叫trade_close_price，子表逻辑字段为:
+id UUID DEFAULT gen_random_uuid() PRIMARY KEY，
+trade_id UUID NOT NULL,
+close_price numeric(10,2) NOT NULL CHECK (price >= 0.00) DEFAULT 0.00,
+deleted BOOLEAN NOT NULL DEFAULT FALSE,
+created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
 ---