diff --git a/app/core/rewards.py b/app/core/rewards.py
index 80998a4..b2312d9 100644
--- a/app/core/rewards.py
+++ b/app/core/rewards.py
@@ -53,8 +53,10 @@ WITHDRAW_MAX_CENTS: int = 5_000_000  # 5 万元
 TASK_ENABLE_NOTIFICATION = "enable_notification"
 
 # task_key -> 奖励金币
+# 打开消息提醒: 1000 金币(=¥0.1, 客户端原型展示口径; 量级与签到/里程碑相称)。
+# 注意: 已不再 = 兑换下限(MIN_EXCHANGE_COIN=10000), test_exchange_flow 改走 grant_coins 直接供款。
 TASK_REWARDS: dict[str, int] = {
-    TASK_ENABLE_NOTIFICATION: 10000,
+    TASK_ENABLE_NOTIFICATION: 1000,
 }
 
 
diff --git a/app/models/comparison.py b/app/models/comparison.py
index 22dab56..c351e94 100644
--- a/app/models/comparison.py
+++ b/app/models/comparison.py
@@ -83,7 +83,7 @@ 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}](price 单位:元,原样存)
+    # 逐平台对比 [{platform_id, platform_name, package, price, is_source, rank, coupon_saved}](price/coupon_saved 单位:元,原样存)
     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/repositories/ad_reward.py b/app/repositories/ad_reward.py
index d42aab5..5e7388d 100644
--- a/app/repositories/ad_reward.py
+++ b/app/repositories/ad_reward.py
@@ -85,7 +85,7 @@ def grant_ad_reward(
     # 发金币 + 记一笔,同事务
     crud_wallet.grant_coins(
         db, user_id, coin,
-        biz_type="ad_reward", ref_id=trans_id, remark="看广告奖励",
+        biz_type="ad_reward", ref_id=trans_id, remark="看视频奖励金币",
     )
     rec = AdRewardRecord(
         trans_id=trans_id, user_id=user_id, coin=coin, status="granted",
diff --git a/app/repositories/comparison_milestone.py b/app/repositories/comparison_milestone.py
index 88f8152..730c3ba 100644
--- a/app/repositories/comparison_milestone.py
+++ b/app/repositories/comparison_milestone.py
@@ -1,8 +1,9 @@
 """比价战绩里程碑 CRUD:进度查询 + 逐档领奖。
 
 进度 = comparison_record 里 status='success' 的条数(crud_compare.count_success)。
-第 N 档在"成功次数 >= N"时解锁;每档领一次,写 comparison_milestone_claim 去重 +
-grant_coins,同一事务 commit(领奖记录与加金币原子化)。仿一次性任务 (task.py)。
+第 N 档在"成功次数 >= N"时解锁;每档领一次,写 comparison_milestone_claim 去重(标记已领)。
+⚠️ 当前产品定暂不真发金币(后续整体删除该功能):claim 只写领取记录,不调 grant_coins、
+不写 coin_transaction,coin_awarded 恒为 0,余额不变。仿一次性任务 (task.py)。
 """
 from __future__ import annotations
 
@@ -14,7 +15,6 @@ from sqlalchemy.orm import Session
 from app.core.rewards import (
     RECORD_MILESTONE_COUNT,
     RECORD_MILESTONES,
-    record_milestone_reward,
 )
 from app.models.comparison_milestone import ComparisonMilestoneClaim
 from app.repositories import comparison as crud_compare
@@ -103,14 +103,13 @@ def claim(db: Session, user_id: int, milestone: int) -> tuple[int, int]:
     if crud_compare.count_success(db, user_id) < milestone:
         raise MilestoneLockedError
 
-    coin = record_milestone_reward(milestone)
+    # ⚠️ 比价战绩里程碑暂不真发金币(产品定,后续整体删除该功能):仍记一条领取(去重/标记已领),
+    # 但不调 grant_coins、不写 coin_transaction,余额不变,返回发放 0 金币 + 当前余额。
     db.add(
         ComparisonMilestoneClaim(
-            user_id=user_id, milestone=milestone, coin_awarded=coin
+            user_id=user_id, milestone=milestone, coin_awarded=0
         )
     )
-    acc, _ = crud_wallet.grant_coins(
-        db, user_id, coin, biz_type="compare_milestone", ref_id=str(milestone)
-    )
+    acc = crud_wallet.get_or_create_account(db, user_id, commit=False)
     db.commit()
-    return coin, acc.coin_balance
+    return 0, acc.coin_balance
diff --git a/app/repositories/signin.py b/app/repositories/signin.py
index 024f5dc..14bda73 100644
--- a/app/repositories/signin.py
+++ b/app/repositories/signin.py
@@ -119,7 +119,8 @@ def do_signin(db: Session, user_id: int) -> tuple[SigninRecord, int]:
     )
     db.add(record)
     acc, _ = crud_wallet.grant_coins(
-        db, user_id, coin, biz_type="signin", ref_id=today.isoformat()
+        db, user_id, coin, biz_type="signin", ref_id=today.isoformat(),
+        remark=f"每日签到 第{cycle_day}天",
     )
     db.commit()
     db.refresh(record)
diff --git a/app/schemas/compare_record.py b/app/schemas/compare_record.py
index e6e142d..d431d46 100644
--- a/app/schemas/compare_record.py
+++ b/app/schemas/compare_record.py
@@ -33,6 +33,10 @@ class ComparisonResultIn(BaseModel):
     price: float | None = None
     is_source: bool = False
     rank: int | None = None
+    # 该平台本单用红包省的**纯红包优惠额**(元, 不含配送费/代金券/满减)。None=没用/没抠到。
+    # 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。
+    # 各平台抠到红包即带值(2026-06 起源平台 Phase1 意图识别也抠, 当前仅淘宝源)。见 pricebot 侧 比价红包额留痕-实现方案.md。
+    coupon_saved: float | None = None
 
 
 class ComparisonRecordIn(BaseModel):
@@ -109,7 +113,7 @@ class ComparisonRecordCreatedOut(BaseModel):
 
 class MilestoneStateOut(BaseModel):
     milestone: int = Field(..., description="档位序号 1-based(= 解锁所需的成功比价次数)")
-    coin: int = Field(..., description="该档奖励金币")
+    coin: int = Field(..., description="该档应发金币额(产品规则值);当前领取暂不真发, 见 compare-milestone-claim 文档")
     state: str = Field(..., description="claimed(已领) / active(可领) / locked(未解锁)")
 
 
diff --git a/docs/api/compare-milestone-claim.md b/docs/api/compare-milestone-claim.md
index 40472ad..97f2fd3 100644
--- a/docs/api/compare-milestone-claim.md
+++ b/docs/api/compare-milestone-claim.md
@@ -2,9 +2,10 @@
 
 > 所属:比价记录组（前缀 `/api/v1/compare`） | 鉴权:Bearer | [← 返回 API 索引](./README.md)
 
-领取某一档(第 `milestone` 次)的金币奖励,真实入账金币钱包。领取记录写
-`comparison_milestone_claim`((user_id, milestone) 唯一)+ `grant_coins` 同一事务原子提交,
-**每档只能领一次**。进度口径见 [milestones 进度接口](./compare-milestones.md)。
+领取某一档(第 `milestone` 次)。⚠️ **当前不真发金币**(产品定,后续整体删除该功能):仍写
+`comparison_milestone_claim`((user_id, milestone) 唯一)标记该档已领、**每档只能领一次**,但不调
+`grant_coins`、不写 `coin_transaction`,余额不变,`coin_awarded` 恒为 0。进度口径见
+[milestones 进度接口](./compare-milestones.md)。
 
 ## 入参
 - 路径参数 `milestone`(int):档位序号,1..6(= `RECORD_MILESTONES` 长度)。
@@ -15,11 +16,11 @@
 | 字段 | 类型 | 说明 |
 |---|---|---|
 | `milestone` | int | 本次领取的档位序号 |
-| `coin_awarded` | int | 本次发放金币 |
-| `coin_balance` | int | 领奖后金币余额 |
+| `coin_awarded` | int | 本次发放金币(当前恒为 `0`,暂不真发) |
+| `coin_balance` | int | 领奖后金币余额(当前不变) |
 
 ```json
-{ "milestone": 1, "coin_awarded": 120, "coin_balance": 29087 }
+{ "milestone": 1, "coin_awarded": 0, "coin_balance": 29087 }
 ```
 
 ## 错误
@@ -29,5 +30,5 @@
 - `409` 该档已领过(`milestone already claimed`)
 
 ## 说明
-- 领取金币后,客户端应刷新钱包余额([`GET /api/v1/wallet/account`](./wallet-account.md))与本档状态。
-- 幂等:重复领同一档返回 409 且**不会重复发金币**(唯一约束 + 领取前查重)。
+- 当前不发金币,客户端领取后只需把本档状态刷成 claimed 即可;若后续恢复发奖,再按 `coin_awarded` 刷新钱包余额([`GET /api/v1/wallet/account`](./wallet-account.md))。
+- 幂等:重复领同一档返回 409(唯一约束 + 领取前查重)。
diff --git a/docs/api/compare-milestones.md b/docs/api/compare-milestones.md
index 075a444..7933913 100644
--- a/docs/api/compare-milestones.md
+++ b/docs/api/compare-milestones.md
@@ -8,6 +8,8 @@
 
 档位金额是**产品规则**,定义在后端 `app/core/rewards.py` 的 `RECORD_MILESTONES`(当前 `120/180/300/500/800/1200`),客户端**不要写死**,以本接口返回为准。
 
+> ⚠️ **当前领取暂不真发金币**(产品定,后续整体删除该功能):`coin` 仍返回产品规则值仅供展示,但 [claim 接口](./compare-milestone-claim.md) 实际 `coin_awarded` 恒为 0、余额不变。前端展示须与之对齐,勿让用户误以为领取可到账。
+
 ## 入参
 无(用户身份取自 Bearer token)。
 
@@ -25,7 +27,7 @@
 | 字段 | 类型 | 说明 |
 |---|---|---|
 | `milestone` | int | 档位序号(1-based),= 解锁所需的成功比价次数 |
-| `coin` | int | 该档奖励金币 |
+| `coin` | int | 该档**应发**金币额(产品规则值);⚠️ 当前领取不真发,见上方说明 |
 | `state` | string | `claimed`(已领) / `active`(已解锁可领) / `locked`(未解锁) |
 
 ```json
diff --git a/docs/api/compare-record-report.md b/docs/api/compare-record-report.md
index 0dc0e04..9f6dde0 100644
--- a/docs/api/compare-record-report.md
+++ b/docs/api/compare-record-report.md
@@ -31,7 +31,9 @@
 
 **Item**：`{ name: string, qty: int=1, specs: string[]\|null }`
 
-**Result（comparison_results 元素）**：`{ platform_id, platform_name, package, price(元,float\|null), is_source(bool), rank(int\|null) }`
+**Result（comparison_results 元素）**：`{ platform_id, platform_name, package, price(元,float\|null), is_source(bool), rank(int\|null), coupon_saved(元,float\|null) }`
+
+- `coupon_saved`：该平台本单**平台主优惠额**（元）——美团红包 / 淘宝平台红包 / 京东优惠券·百亿补贴，**只取那一笔**，不含配送费减免/共减总额。仅外卖目标平台带值，源平台/没用为 `null`，前端记录页据此展示**「已优惠 ¥X」**（null 不展示）。
 
 ## 服务端派生（客户端不用算）
 
diff --git a/docs/database/comparison_milestone_claim.md b/docs/database/comparison_milestone_claim.md
index 7d626c3..303dede 100644
--- a/docs/database/comparison_milestone_claim.md
+++ b/docs/database/comparison_milestone_claim.md
@@ -10,7 +10,7 @@
 | `id` | Integer | PK, autoincrement | |
 | `user_id` | Integer | FK→user.id, index, NOT NULL | 归属用户 |
 | `milestone` | Integer | NOT NULL | 档位序号(1-based),见 `rewards.RECORD_MILESTONES` |
-| `coin_awarded` | Integer | NOT NULL, default 0 | 该档发放金币 |
+| `coin_awarded` | Integer | NOT NULL, default 0 | 该档应发金币额;⚠️ 当前产品定暂不真发,实际恒为 0 |
 | `claimed_at` | DateTime(tz) | server_default now() | 领取时间 |
 
 ## 索引与约束
@@ -22,5 +22,5 @@
 - 解锁进度依赖 `comparison_record`(`status='success'` 计数),本表不存进度本身。
 
 ## 说明
-- 发金币走 `wallet.grant_coins(biz_type='compare_milestone', ref_id=str(milestone))`,与本表写入同事务。
+- ⚠️ 当前 claim 仅写本表标记已领(去重),**不调 `grant_coins`、不写 `coin_transaction`,`coin_awarded` 恒为 0、余额不变**(产品定暂不真发金币,后续整体删除该功能)。
 - 领取校验:档位越界 404、未解锁(成功数 < milestone)409、已领 409。
diff --git a/docs/database/comparison_record.md b/docs/database/comparison_record.md
index c9f3c4c..d938618 100644
--- a/docs/database/comparison_record.md
+++ b/docs/database/comparison_record.md
@@ -29,7 +29,7 @@
 | `status` | String(16) | NOT NULL, default `success` | `success`(拿到有效对比)/ `failed`(出错/没采到目标价) |
 | `information` | String(256) | nullable | done 帧文案;成功=摘要,失败=具体原因(前端失败时当原因展示) |
 | `items` | JSON(PG: JSONB) | NOT NULL, default [] | 下单菜品 `[{name, qty, specs?}]` |
-| `comparison_results` | JSON(PG: JSONB) | NOT NULL, default [] | 逐平台对比 `[{platform_id,platform_name,package,price(元),is_source,rank}]` |
+| `comparison_results` | JSON(PG: JSONB) | NOT NULL, default [] | 逐平台对比 `[{platform_id,platform_name,package,price(元),is_source,rank,coupon_saved}]`;`coupon_saved`=该平台主优惠额(元,美团红包/淘宝平台红包/京东优惠券·百亿补贴,只取那一笔,不含配送费/共减总额),各平台抠到红包即带值(2026-06 起源平台 Phase1 意图识别也抠,当前仅淘宝源),没用/没抠到为 null,前端展示「已优惠 ¥X」 |
 | `skipped_dish_names` | JSON(PG: JSONB) | NOT NULL, default [] | 被跳过的菜名 |
 | `raw_payload` | JSON(PG: JSONB) | nullable | 客户端原始上报(calibration + done.params 全量) |
 | `created_at` | DateTime(tz) | server_default now(), index | 时间 |
diff --git a/tests/test_compare_milestone.py b/tests/test_compare_milestone.py
index bf3f2c9..06165b4 100644
--- a/tests/test_compare_milestone.py
+++ b/tests/test_compare_milestone.py
@@ -82,8 +82,8 @@ def test_unlock_progresses_with_success(client) -> None:
     assert states[2] == "locked"
 
 
-def test_claim_grants_coin_and_becomes_claimed(client) -> None:
-    """领第 1 档:发对应金币,进金币余额,该档变 claimed。"""
+def test_claim_marks_claimed_without_coin(client) -> None:
+    """领第 1 档:暂不真发金币(产品定,后续删该功能),余额不变,但该档变 claimed。"""
     token = _login(client, "13800003003")
     _report_success(client, token, "s-1")
 
@@ -93,8 +93,8 @@ def test_claim_grants_coin_and_becomes_claimed(client) -> None:
     assert r.status_code == 200, r.text
     res = r.json()
     assert res["milestone"] == 1
-    assert res["coin_awarded"] == RECORD_MILESTONES[0]
-    assert res["coin_balance"] == bal_before + RECORD_MILESTONES[0]
+    assert res["coin_awarded"] == 0          # 不再发金币
+    assert res["coin_balance"] == bal_before  # 余额不变
 
     d = client.get("/api/v1/compare/milestones", headers=_auth(token)).json()
     assert d["milestones"][0]["state"] == "claimed"
diff --git a/tests/test_compare_record.py b/tests/test_compare_record.py
index 90d5153..7ec7a19 100644
--- a/tests/test_compare_record.py
+++ b/tests/test_compare_record.py
@@ -33,7 +33,7 @@ def _food_payload(trace_id: str) -> dict:
         ],
         "comparison_results": [
             {"platform_id": "meituan", "platform_name": "美团", "package": "com.sankuai.meituan",
-             "price": 123.50, "is_source": False, "rank": 1},
+             "price": 123.50, "is_source": False, "rank": 1, "coupon_saved": 7.0},
             {"platform_id": "taobao_flash", "platform_name": "淘宝闪购", "package": "com.taobao.taobao",
              "price": 128.50, "is_source": True, "rank": 2},
             {"platform_id": "jd_waimai", "platform_name": "京东外卖", "package": "com.jingdong.app.mall",
@@ -78,6 +78,18 @@ def test_report_and_derive(client) -> None:
     assert d["raw_payload"]["trace_id"] == "trace-1"
 
 
+def test_coupon_saved_passthrough(client) -> None:
+    """红包优惠额 coupon_saved 上报→落库→读出;仅目标平台带值,源平台不带(null)。"""
+    token = _login(client, "13800002010")
+    rid = client.post(
+        "/api/v1/compare/record", json=_food_payload("trace-coupon"), headers=_auth(token)
+    ).json()["id"]
+    d = client.get(f"/api/v1/compare/records/{rid}", headers=_auth(token)).json()
+    by_pid = {x["platform_id"]: x for x in d["comparison_results"]}
+    assert by_pid["meituan"]["coupon_saved"] == 7.0            # 目标平台带值
+    assert by_pid["taobao_flash"].get("coupon_saved") is None  # 源平台不带/为 null
+
+
 def test_source_is_cheapest_no_saving(client) -> None:
     """源平台本来就最便宜:saved<=0,is_source_best=True,仍记一条 success。"""
     token = _login(client, "13800002002")
diff --git a/tests/test_welfare.py b/tests/test_welfare.py
index 7bf69fe..d669ce6 100644
--- a/tests/test_welfare.py
+++ b/tests/test_welfare.py
@@ -12,6 +12,9 @@ from app.core.rewards import (
     TASK_ENABLE_NOTIFICATION,
     TASK_REWARDS,
 )
+from app.db.session import SessionLocal
+from app.repositories import wallet as crud_wallet
+from app.repositories.user import get_user_by_phone
 
 
 def _login(client, phone: str) -> str:
@@ -130,10 +133,19 @@ def test_exchange_info(client) -> None:
 
 
 def test_exchange_flow(client) -> None:
-    """先用任务领够金币 → 兑换 1 元 → 金币扣、现金加 → 现金流水有记录。"""
-    token = _login(client, "13800001005")
-    # 领"打开消息提醒"得 10000 金币(= 1 元额度)
-    client.post(f"/api/v1/tasks/{TASK_ENABLE_NOTIFICATION}/claim", headers=_auth(token))
+    """先供款够兑换下限的金币 → 兑换 1 元 → 金币扣、现金加 → 现金流水有记录。
+
+    打开消息提醒任务已降到 1000 金币(不再 = 兑换下限), 不能再靠领任务供款;
+    直接 grant_coins 注入 MIN_EXCHANGE_COIN(= COIN_PER_YUAN = 10000)当种子。
+    """
+    phone = "13800001005"
+    token = _login(client, phone)
+    # 供款: 直接注入 1 元额度金币(替代原先靠 notification=10000 领任务供款)
+    with SessionLocal() as db:
+        user = get_user_by_phone(db, phone)
+        assert user is not None
+        crud_wallet.grant_coins(db, user.id, MIN_EXCHANGE_COIN, biz_type="test_seed", remark="测试供款")
+        db.commit()
 
     # 兑换 10000 金币 → 100 分
     r = client.post(