fix(plugin-auth): OTP 冷却按声明值真正生效 —— 发送历史保留时长不再被硬编码 1 小时截断 (#4808) #12455

Job	Run time
filter	6s
Dogfood Verify CLI	1m 32s
Dogfood Regression Gate (1/2)	2m 51s
Temporal Conformance (live PG + MySQL)	2m 17s
Test Core (1/2)	2m 32s
Dogfood Regression Gate (2/2)	3m 1s
Build Core	1m 34s
Test Core (2/2)	3m 20s
Console Pin Gate	0s
Build Docs	0s
Dogfood Regression Gate	4s
Test Core	3s
	17m 20s

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