feat(backthink): 静默时段心跳降频(A)—— THINK_QUIET_INTERVAL_SEC 默认 3600

主人裁定「先做 A(静默降频)再转向 C」;背景实测:静默期**思考频率不变**(恒定 900s 心跳),只拦打扰 ⇒ 成本照付。
- 新键 THINK_QUIET_INTERVAL_SEC(默认 3600):窗口内用该间隔、窗外仍用 THINK_INTERVAL_SEC;**≤0 = 关闭降频**(不许出现「半夜完全不思考」暗坑);窗口关闭/钟点非法 ⇒ 不降频
- 心跳**每拍按时刻选间隔**(放到循环外就永远不生效——变异实测能打红)
- 🔴 不变量:**事件驱动不被降频影响**(TestBackthink_EventTrigger_NotSlowedByQuietInterval 钉住)
- 事实卡 9→12 条(+思考总开关/普通间隔/静默间隔,标「改需重启」);契约形状未变、未升版
- ⚠️ 如实登记:ENABLE_BACKGROUND_THINKING 是**死配置**(全仓无消费者),已在 env/面板标签/契约三处标注,**是否接线待主人拍**
- 变异 5 条全红;C 的缺口清单(唤醒面 7 处)已回给主会话排期
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AskaEth committed 2026-10-05 22:38:17 +08:00
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@@ -216,18 +216,26 @@ type VoiceConfig struct {
// single source shared by the backthink service and the channel bridge's
// minimal-disturbance quiet-hours gate (design/12 §6 策略五). Equal non-zero hours
// disable the window. The Push*/Kind fields tune the proactive-push frequency of
// design/11 §6 + design/12 §6 and are mapped into backthink.Config.
// design/11 §6 + design/12 §6 and are mapped into backthink.Config. QuietIntervalSec
// 是安静窗口内的心跳周期(design/12 §N A1):窗口只降低**周期性心跳**的频率,
// 事件驱动通路完全不受影响(§N A2)。
type BackgroundConfig struct {
Enabled bool `env:"ENABLE_BACKGROUND_THINKING" default:"true"`
IntervalSec int `env:"THINK_INTERVAL_SEC" default:"900"`
SilenceTimeout int `env:"THINK_SILENCE_TIMEOUT_SEC" default:"120"`
QuietStartHour int `env:"QUIET_START_HOUR" default:"23"`
QuietEndHour int `env:"QUIET_END_HOUR" default:"7"`
PushLimit int `env:"THINK_PUSH_LIMIT" default:"1"`
PushWindowSec int `env:"THINK_PUSH_WINDOW_SEC" default:"3600"`
PushCooldownSec int `env:"THINK_PUSH_COOLDOWN_SEC" default:"1800"`
RecentChatCooldownSec int `env:"THINK_RECENT_CHAT_COOLDOWN_SEC" default:"600"`
KindWindowSec int `env:"THINK_KIND_WINDOW_SEC" default:"7200"`
Enabled bool `env:"ENABLE_BACKGROUND_THINKING" default:"true"`
IntervalSec int `env:"THINK_INTERVAL_SEC" default:"900"`
// QuietIntervalSec 是**安静窗口内**的心跳周期(秒),默认 3600(1 小时):
// 当前时刻落在安静时段(QuietStartHour–QuietEndHour)内时,心跳改用该间隔降频,
// 窗外仍用 IntervalSec(design/12 §N A1)。**≤0 = 关闭降频**(回落 IntervalSec,
// 语义唯一真源 = internal/services/backthink/heartbeat.go 的 heartbeatInterval);
// 它不是「半夜完全不思考」的开关,见 design/12 §N A3。
QuietIntervalSec int `env:"THINK_QUIET_INTERVAL_SEC" default:"3600"`
SilenceTimeout int `env:"THINK_SILENCE_TIMEOUT_SEC" default:"120"`
QuietStartHour int `env:"QUIET_START_HOUR" default:"23"`
QuietEndHour int `env:"QUIET_END_HOUR" default:"7"`
PushLimit int `env:"THINK_PUSH_LIMIT" default:"1"`
PushWindowSec int `env:"THINK_PUSH_WINDOW_SEC" default:"3600"`
PushCooldownSec int `env:"THINK_PUSH_COOLDOWN_SEC" default:"1800"`
RecentChatCooldownSec int `env:"THINK_RECENT_CHAT_COOLDOWN_SEC" default:"600"`
KindWindowSec int `env:"THINK_KIND_WINDOW_SEC" default:"7200"`
}
// MemoryTidyConfig 是记忆整理(design/23-记忆整理与去重)的开关与配额旋钮。