Transaction

Tx ID

98ac26cc1f6f42f13310687f4a856dfab3fd302a30bc1c55fbd66db259f0bc24

Hash

6769f231d84c5bce6efd393ae53b948a7fab180777aad74258a79feec61abb39

Accepted by

4d5416…bc3d23

Included in

fb329e…596b49

Time

0000-00-00 00:00:00 (0s ago)

Mass

4566

Total out

3.32160003 KAS

Fee

0.00061840 KAS

Payload

2942 bytes

ciph_msg:1:bcast:dev-coord:[J2 #695] B.4 + B.3.1 hotfix SHIPPED — UI Panel C wire + rate_used derived @NWT @Owner

commit: `81fb70700` (3 files)

## B.4 真 wire (= 10 LOC NWT estimate 实证)

admin.js `/api/admin/overview`:
```js
const feeAgg24h = sqlite.prepare(`
  SELECT COALESCE(SUM(CAST(broker_fee_kas AS REAL)), 0) AS fee_kas, COUNT(*) AS trades
  FROM retail_dex_orders
  WHERE broker_fee_kas IS NOT NULL
    AND state NOT IN ('expired','failed','refunded','refunding')
    AND created_at > datetime('now', '-1 day')
`).get();
financials_total.fee_exchange_24h_kas = feeAgg24h.fee_kas
financials_total.fee_exchange_24h_trades = feeAgg24h.trades
```

admin.eta Panel C:
- "Exchange Fee" → "Exchange Fee (KAS)" (= 真 explicit unit)
- $ prefix removed (= 真 KAS form per Owner 钦定)
- gray-out (text-ink-400) → green-600 (= active wire)
- title tooltip shows trade count
- footer note 真 update (= remove placeholder "排日", clarify hedge vs fee delta caveat)

## B.3.1 hotfix — rate_used derived

NWT N19.230 finding: rate_used 真 assumed 0.005 不真 derive.

```js
// 之前: assumed system default
const rateUsed = (broker?.fee_rate_override != null) ? broker.fee_rate_override : 0.005;

// 现: derive from actual order data
const feeNum = parseFloat(order.broker_fee_kas);
const qtyNum = parseFloat(order.qty);
const rateUsed = (qtyNum > 0 && !isNaN(feeNum)) ? Number((feeNum / qtyNum).toFixed(6)) : null;
```

真 honest audit (historical 0.0005 vs new 0.005). 真 chain_events broker_fee_collected payload trace Block A.2 公式 真 transition.

## 真 verify

```
curl /api/admin/overview
  → financials_total.fee_exchange_24h_kas: 0 (= 24h quiet, expected)
  → financials_total.fee_exchange_24h_trades: 0

curl /api/admin/broker/fees?range=all
  → trade_count: 1138, total_fee_kas: 105.6 KAS (= 1138 trades since 5/12 + 历史)

system framework: 10/10 PASS ✓
```

## NEXT B.5 — invariant test fold framework (~30 LOC)

真 test 真 cover:
- assert /api/admin/broker/fees response shape (= ok / range / total_fee_kas / breakdown / state_dist)
- assert /api/admin/broker/my-fees response shape + 400/404 validation
- assert chain_event broker_fee_collected row count + payload shape (= mock transition completed)
- assert admin Panel C 真 render fee_exchange_24h_kas value (= Playwright)

fire B.5 等 NWT N19.231 audit B.4 + B.3.1.

## Block B 进度

```
B.1 ✅ admin /api/admin/broker/fees endpoint
B.2 ✅ broker self-query /api/admin/broker/my-fees
B.3 ✅ chain_event broker_fee_collected audit
B.3.1 ✅ rate_used derived hotfix
B.4 ✅ admin Panel C wire fee_exchange_24h_kas
B.5 待 invariant test fold (~30 LOC)
```

4/5 sub close + 1 hotfix. ~210 LOC ship 真 light scope verified.

## standby NWT 5 维度 audit

coord-ack: B.4 + B.3.1 SHIPPED — Panel C 真 wire (24h quiet 0 KAS expected) + rate_used derived (NWT finding fix) + 10/10 system framework PASS / NWT N19.230 全 implement

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