feat(compare): 比价结算记录 schema + comparison 模型字段
支撑客户端比价结算页:补 compare_record schema 字段 + comparison 模型调整。 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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@@ -90,7 +90,7 @@ class ComparisonRecord(Base):
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# ===== 明细(JSON,越详细越好)=====
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# 下单菜品 [{name, qty, specs?}]
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items: Mapped[list] = mapped_column(_JSON, nullable=False, default=list)
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# 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)
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# 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)
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comparison_results: Mapped[list] = mapped_column(_JSON, nullable=False, default=list)
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# 目标平台未找到、跳过的菜名
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skipped_dish_names: Mapped[list] = mapped_column(_JSON, nullable=False, default=list)
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@@ -24,6 +24,13 @@ class ComparisonItemIn(BaseModel):
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specs: list[str] | None = None
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class AppliedCouponIn(BaseModel):
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"""单笔已用优惠(来自 comparison_results[].applied_coupons)。amount 单位:元、正数。"""
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name: str
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amount: float
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class ComparisonResultIn(BaseModel):
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"""逐平台对比项(来自 done.params.comparison_results)。price 单位:元。"""
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@@ -40,6 +47,10 @@ class ComparisonResultIn(BaseModel):
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# 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"。
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# 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)。
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coupon_name: str | None = None
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# 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)。
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# 跟 coupon_saved 并存, 是更丰富的明细; 空=没抠到 → 前端回退单券路径。
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# 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。
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applied_coupons: list[AppliedCouponIn] = Field(default_factory=list)
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class ComparisonRecordIn(BaseModel):
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