diff --git a/app/models/comparison.py b/app/models/comparison.py
index 7a42a4f..12f91a8 100644
--- a/app/models/comparison.py
+++ b/app/models/comparison.py
@@ -90,7 +90,7 @@ class ComparisonRecord(Base):
     # ===== 明细(JSON,越详细越好)=====
     # 下单菜品 [{name, qty, specs?}]
     items: Mapped[list] = mapped_column(_JSON, nullable=False, default=list)
-    # 逐平台对比 [{platform_id, platform_name, package, price, is_source, rank, coupon_saved, coupon_name}](price/coupon_saved 单位:元,原样存;coupon_name=优惠来源名)
+    # 逐平台对比 [{platform_id, platform_name, package, price, is_source, rank, coupon_saved, coupon_name, applied_coupons}](price/coupon_saved 单位:元,原样存;coupon_name=优惠来源名;applied_coupons=[{name,amount}] 多券明细)
     comparison_results: Mapped[list] = mapped_column(_JSON, nullable=False, default=list)
     # 目标平台未找到、跳过的菜名
     skipped_dish_names: Mapped[list] = mapped_column(_JSON, nullable=False, default=list)
diff --git a/app/schemas/compare_record.py b/app/schemas/compare_record.py
index 2a6ba5f..ce8a4a0 100644
--- a/app/schemas/compare_record.py
+++ b/app/schemas/compare_record.py
@@ -24,6 +24,13 @@ class ComparisonItemIn(BaseModel):
     specs: list[str] | None = None
 
 
+class AppliedCouponIn(BaseModel):
+    """单笔已用优惠(来自 comparison_results[].applied_coupons)。amount 单位:元、正数。"""
+
+    name: str
+    amount: float
+
+
 class ComparisonResultIn(BaseModel):
     """逐平台对比项(来自 done.params.comparison_results)。price 单位:元。"""
 
@@ -40,6 +47,10 @@ class ComparisonResultIn(BaseModel):
     # 优惠**来源名**(展示用, best-effort): 美团"外卖大额神券"/京东"百亿补贴"/淘宝"平台红包"。
     # None=没抠到 → 前端走通用"红包"。同样必须显式声明否则上报边界被 pydantic 静默丢弃(pricebot#38 引入)。
     coupon_name: str | None = None
+    # 多券明细 [{name, amount}](全口径: 平台红包+商家券+满减+配送减免, amount 单位元正数)。
+    # 跟 coupon_saved 并存, 是更丰富的明细; 空=没抠到 → 前端回退单券路径。
+    # 必须显式声明: 落库走 model_dump(), pydantic 默认丢未知字段, 不声明这行会被悄悄吞掉。
+    applied_coupons: list[AppliedCouponIn] = Field(default_factory=list)
 
 
 class ComparisonRecordIn(BaseModel):