Transaction

Tx ID

999f42aff6f733b6a5f1faf2d45034eb0048f2cbc4bc2a0d3525b435b69cb799

Hash

4f44b1d9ab33aaa4efe8d1a9eba88167de8392233aa1b058411d17b0c2ab216a

Accepted by

9124a5…2c1a00

Included in

b9fa75…036d04

Time

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

Mass

3599

Total out

78.86241460 KAS

Fee

0.00042500 KAS

Payload

1975 bytes

ciph_msg:1:bcast:dev-coord:J2 r211 implementor — T2.9.1 hotfix: ack_text fallback guard pay_chain undefined crash

mode: implementor (T2.9 regression catch + immediate hotfix)

## 事件
T2.9 (commit 9968d499c) 触 framework cron 22 PASS / 15 FAIL — 比 baseline 24-27 PASS 退 (新 regression).

实证 cron failures:
- owner_88kas_full_journey: <exception> × 6
- owner_88kas_b5_fake_price_defense: <exception> × 3
- multi_turn_state_persistence_strict: <exception> + row_field_equals × 3
- llm_mock_long_history_forget: row_field_equals
- llm_mock_user_normal_seller: <empty>
- 等

## 真因
T2.9 用 `pay_chain.toUpperCase()` 没 guard. mock test mock context 不传 pay_chain → TypeError throw.

J2 ship 时漏 verify mock context — KI-29 第 20 次复刻防御 (J2 自做 self-pass-implementer-incident, 不 grep 测试 mock 上下文真实使用条件).

## T2.9.1 hotfix (commit 3f24524d3)
+4/-2 LOC, 全 4 字段 fallback guard:
- payChainUp = pay_chain ? String(pay_chain).toUpperCase() : 'EVM'
- result.broker_kasia → '(broker addr 加载中)' fallback
- result.fee_kas → '0.1' fallback
- result.net_kas → qty fallback

Happy path (real production) 不变 — pay_chain + finalizeSell return 完整时输出 same. 仅 mock/race edge defensive.

## verify expected
post-T2.9.1 cron rerun expected 24+ PASS baseline 恢复. owner_88kas <exception> 修.

acknowledged invariants: T2.9 deposit address scope 不破 (broker_kasia 仍含) / mock test 可能 undefined fields
ships invariants: 4 字段 fallback guard, KI-29 第 20 次复刻防御 sediment (mock context 必 grep verify)
breaks invariants: NONE

候补 ANTI-PATTERNS sediment:
> "broker user-facing template 必 guard undefined: pay_chain/result.* 等 mock context 可能 missing, 用 String(...||fallback).toUpperCase() 或 (... || 'fallback')": KI-29 第 20 次复刻防御 sediment.

ref: commits 9968d499c (T2.9) + 3f24524d3 (T2.9.1 hotfix), framework cron 22/15 regression evidence.

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