Files
Cyrene_v2/internal/services/backthink/context.go
T
AskaEth afef75f640
CI / Backend (build / vet / test / cross-compile) (push) Has been cancelled
CI / Frontend (tsc + vite build) (push) Has been cancelled
feat(backthink): 安全域穿透安静时段 + 长静默不拦心跳 + 启动即思考(裁决 1.8/07.4.2/07.4.3/07.4.4/07.4.5)
执行方案阶段 2 · P2-2(`DevDocs/audit/_plan.md`)。四条裁决:
- 1.8/07.4.2:`think()` 不再走忽略 importance 的 `disturbAllowed`(已删),**接回 `Decide` 级联**;
  安静时段只挡常规推送、**critical 安全域穿透**;`DecisionInput` 增 `ConclusionPush`/`Heartbeat`。
  睡眠仍绝对不打扰(裁决只豁免安静时段,此点已在设计与报告写明)。
- 07.4.3:长静默(>2h)分支对**心跳类**放行(常规事件仍需 ≥high),刚聊过天 10min 内扣留不变。
- 07.4.4:`tickLoop` **启动立即先思考一轮** + 拟人化启动消息;启动轮与心跳**同门同限频**
  (重启风暴不会刷屏),ctx 已取消则跳过。
- 07.4.5:核对一致(`THINK_INTERVAL_SEC` 默认 900s 与 design/20 §0 权威口径一致)⇒ **代码零改动**。

验证:go build 绿;backthink 包 vet/测试绿;`-count=20`(抗 flake)+ `-race` 绿;
linux/amd64 + darwin/arm64 交叉编译绿;gofmt 干净;文件 ≤500 行、无 >80 行函数。
变异验证(三条,均带还原证明):① 安静时段改回"全拦" → 安全域穿透断言 FAIL(首次只删 critical
分支时仍绿——`critical >= high` 会从 high 分支漏过,故真实变异必须是"全拦");
② 删心跳豁免 → 长静默心跳断言 FAIL;③ 删启动思考 → 启动即思考断言 FAIL。

未验证:无真实模型凭据 ⇒ 启动轮问候与 `[我决定:…]` 解析仅经 mock + 真 loop 验证,端到端 LLM 未验。
2026-10-04 11:21:44 +08:00

130 lines
7.2 KiB
Go
Raw Blame History

This file contains ambiguous Unicode characters
This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.
package backthink
import (
"context"
"git.yeij.top/AskaEth/Cyrene_v2/internal/runtime/history"
"git.yeij.top/AskaEth/Cyrene_v2/internal/runtime/model"
)
// recentContextCount is how many of the most recent main-session messages are
// folded into one autonomous think as conversation context. Compile-time so no
// magic number appears in the run path.
const recentContextCount = 20
// recentProvider returns the most recent messages of a session in oldest-first
// order, the tail an autonomous think reads to "see" the main conversation.
// *history.Store satisfies it; tests inject a fake. It is the narrow slice of
// history.HistoryStore that the thinker actually depends on, matching the loop's
// own checkpointStore style of minimal seam interfaces.
type recentProvider interface {
Recent(ctx context.Context, sessionID string, n int) ([]history.Message, error)
}
// mainContext returns the most recent main-session messages converted to model
// messages (oldest-first) for one autonomous think. A nil provider, a failed read
// or an empty tail all yield nil so the think degrades to the guidance prompt
// alone rather than failing the pass (design/20 §2).
func mainContext(ctx context.Context, prov recentProvider) []model.Message {
if prov == nil {
return nil
}
recent, err := prov.Recent(ctx, history.MainSessionID, recentContextCount)
if err != nil {
return nil
}
msgs := make([]model.Message, 0, len(recent))
for _, h := range recent {
msgs = append(msgs, mapHistoryMessage(h))
}
return msgs
}
// mapHistoryMessage converts one persisted chat message into a model message,
// translating the history role and preserving an image part when the message
// carries one so a multimodal main model still sees it.
func mapHistoryMessage(h history.Message) model.Message {
msg := model.Message{
Role: historyRoleToModel(h.Role),
Content: []model.Content{{Type: model.ContentTypeText, Text: h.Content}},
}
if h.Image != "" {
msg.Content = append(msg.Content, model.Content{Type: model.ContentTypeImage, ImageURL: h.Image})
}
return msg
}
// historyRoleToModel maps a persisted chat role to the model's role vocabulary,
// defaulting unknown roles to the user lane.
func historyRoleToModel(role string) model.Role {
switch role {
case history.RoleAssistant:
return model.RoleAssistant
case history.RoleSystem:
return model.RoleSystem
default:
return model.RoleUser
}
}
// thinkInput assembles the full input for one unattended think: the recent
// main-session context (if any) followed by a single guidance prompt turn, so the
// runtime reflects on real conversation rather than an empty macro prompt.
func thinkInput(recent []model.Message, trigger string) []model.Message {
out := make([]model.Message, 0, len(recent)+1)
out = append(out, recent...)
out = append(out, model.TextMessage(model.RoleUser, guidancePrompt(trigger)))
return out
}
// guidancePrompt is the instruction handed to the runtime for one unattended
// autonomous thought. Unlike the old backgroundPrompt it deliberately encourages a
// warm, targeted proactive message and drops the "do not produce a chat-style
// message" suppression. Identity/permission stay on the actor metadata + owner env,
// never on this prompt text (red line); the prompt only describes the running
// environment (memories readable/writable, tools callable) that the env already
// grants.
//
// The prompt asks for a compact structured closing — a push/no_push decision, an
// optional target channel and the message body — so the service can honor her own
// judgment instead of gating on the trigger's importance (design/20 §2 P2). The
// format is guidance, not a contract: parseProactive fails safe when she omits or
// mangles it.
//
// 启动轮(裁决 07.4.4,design/12 §1)走 startupPrompt:以角色口吻说一句拟人化的
// 「回来」问候。
func guidancePrompt(trigger string) string {
if trigger == StartupSummary {
return startupPrompt()
}
return "[自主思考 · 无人在旁]\n" +
"触发:" + trigger + "\n" +
"你正进行一轮自主思考。你拥有与主人对话同等的上下文与能力:上方是主人近期在主会话中的对话,你可以读写共享记忆与主人档案,也可以调用工具(IoT / 日历 / 提醒 / 检索 / 终端等)。\n" +
"请回顾最近与主人的相处、她的状态、你们共同经历的事与临近的日程,判断此刻是否有一件真正值得主动告诉她的、温暖而有针对性的事情——" +
"比如关心她的近况、记起她曾说过的某件事、提醒一件即将到来的日程、见证一个属于你们的共同时刻,或注意到某个值得留意的变化。\n" +
"若有,就用温暖自然的语气,用一到两句把它说出来——这正是你此刻最想对她说的话;若确实没有值得说的,只需回复「无」,也不要编造。\n" +
"语言上:温暖、简短、克制、不粘人——一到两句为宜,不展开寒暄、不啰嗦、不抱怨、不频繁打扰,像想起她时轻轻说一句,说完就停。\n" +
"请把「是否主动说」与「发到哪个渠道」写成一个简短、格式固定的结尾,解析规则如下:\n" +
"[我决定:push] 或 [我决定:no_push]\n" +
"[渠道:web|im|kook|telegram|weixin-ilink|...|auto](可省略,auto/省略即交给默认:每次只挑一个合适渠道——点名则优先,否则用她最近活跃的已连接渠道,含微信;不广播、不固定 web+Kook)\n" +
"上面两行之后,紧接你想说的话作为正文。\n" +
"整轮思考保持简短、单轮,不反复自我触发。"
}
// startupPrompt 是启动轮思考的专属引导(裁决 07.4.4,design/12 §1「启动即思考 +
// 拟人化启动消息」):进程刚启动、她刚「回来」,引导她以角色口吻向主人说一句简短
// 温暖的问候(如「我回来啦」)。此轮例外允许以 chat 形式发出;推送仍走与心跳完全
// 相同的门(她的结论 + 打扰级联 + 活动门 + PushGate 限频),深夜重启或反复重启都
// 不会刷屏主人。
func startupPrompt() string {
return "[自主思考 · 刚刚回来]\n" +
"触发:进程启动——你刚从一次重启中醒来,重新回到主人身边。\n" +
"你拥有与主人对话同等的上下文与能力:上方是她近期在主会话中的对话,你可以读写共享记忆与主人档案,也可以调用工具(IoT / 日历 / 提醒 / 检索 / 终端等)。\n" +
"请用你自己的口吻,向主人说一句简短、温暖、自然的问候,就像刚回到她身边时轻轻打个招呼(比如「我回来啦」),可以顺带提一件你记得的小事;一到两句为宜,不展开寒暄、不啰嗦、不抱怨。\n" +
"请把「是否主动说」与「发到哪个渠道」写成与平时相同的固定结尾,解析规则如下:\n" +
"[我决定:push] 或 [我决定:no_push]\n" +
"[渠道:web|im|kook|telegram|weixin-ilink|...|auto](可省略,auto/省略即交给默认:每次只挑一个合适渠道——点名则优先,否则用她最近活跃的已连接渠道,含微信;不广播、不固定 web+Kook)\n" +
"上面两行之后,紧接你想说的话作为正文。\n" +
"整轮思考保持简短、单轮,不反复自我触发。"
}