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# Conflicts: # .agents/notes/implemented/architecture/2026-06-11-content-block-vocabulary.i18n.yaml # .agents/notes/implemented/architecture/2026-06-11-content-block-vocabulary.zh.md # .agents/notes/implemented/architecture/2026-06-18-shared-persistence-write-coordinator.i18n.yaml # .agents/notes/implemented/architecture/2026-07-10-single-file-executable-sdk-runtime-distribution.i18n.yaml # .agents/notes/implemented/architecture/2026-07-10-single-file-executable-sdk-runtime-distribution.zh.md # .agents/notes/implemented/bug-fix/2026-07-29-pnpm-setup-runner-isolation.i18n.yaml # .agents/notes/implemented/bug-fix/2026-07-29-pnpm-setup-runner-isolation.zh.md # .agents/notes/implemented/bug-fix/2026-08-18-request-image-payload-bound.i18n.yaml # .agents/notes/implemented/bug-fix/2026-08-18-request-image-payload-bound.zh.md # .agents/notes/implemented/feature/2026-07-06-sandbox.i18n.yaml # .agents/notes/implemented/feature/2026-07-06-sandbox.zh.md # .agents/notes/implemented/feature/2026-07-16-persistent-pty-sessions.i18n.yaml # .agents/notes/implemented/feature/2026-07-21-cross-session-references.i18n.yaml # .agents/notes/implemented/feature/2026-07-21-cross-session-references.zh.md # .agents/notes/implemented/feature/2026-07-22-web-multimodal-image-input-and-durable-attachments.i18n.yaml # .agents/notes/implemented/feature/2026-07-22-web-multimodal-image-input-and-durable-attachments.zh.md # .agents/notes/implemented/feature/2026-07-27-web-subagent-conversations.i18n.yaml # .agents/notes/implemented/feature/2026-07-31-permission-default-for-new-sessions.i18n.yaml # .agents/notes/implemented/feature/2026-08-03-web-search-source-scroll.i18n.yaml # .agents/notes/implemented/feature/2026-08-03-web-search-source-scroll.zh.md # .agents/notes/implemented/feature/2026-08-04-claude-code-and-codex-subagent-backends.i18n.yaml # .agents/notes/implemented/feature/2026-08-04-claude-code-and-codex-subagent-backends.zh.md # .agents/notes/implemented/feature/2026-08-05-agent-teams.i18n.yaml # .agents/notes/implemented/feature/2026-08-05-agent-teams.zh.md # 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session/:持久会话数据平面
English | 中文
这是围绕 core/session 内存中运行的服务构建的持久功能族:包括持久化 seam 及其存储后端和检查点策略、提供日志派生全量值的投影 seam、日志支持的标题,以及外发会话遥测。它们全部都是产品包(package)。session-query/ 仍是同级独立组:读取/工具接口的消费不依赖持久化内部实现。
持久化
持久会话数据的持久化机制、语义检查点策略以及随产品交付的存储后端。
| 包 | 职责 | ctx 键 |
|---|---|---|
session-persistence/ |
定义持久化服务和共享写入协调机制 | ctx.sessionPersistence |
session-checkpoint-policy/ |
应用语义持久性检查点 | 包装 ctx.llm 和 ctx.tools |
session-persistence-jsonl/ |
将会话持久化到 JSONL 文件 | 注册到 ctx.sessionPersistence |
session-persistence-sqlite/ |
使用物理分片打包行的可选 SQLite 后端 | 注册到 ctx.sessionPersistence |
会话持久化决策记录了持久化设计。
投影
向客户端载体提供从日志派生的当前逐会话状态。
| 包 | 职责 | ctx 键 |
|---|---|---|
session-projection/ |
定义并驱动会话投影单元 | ctx.sessionProjections |
session-projection-cache/ |
持久化并恢复投影检查点 | ctx.sessionProjectionCache |
session-stats/ |
提供全日志会话计数与墙钟时间(sessionStats 单元) |
注册到 ctx.sessionProjections |
标题
从会话日志派生持久会话标题,并支持可选的模型驱动提供方。
| 包 | 职责 | ctx 键 |
|---|---|---|
session-title/ |
负责标题状态、回退行为、提供方注册与刷新 | ctx.sessionTitle |
session-title-llm/ |
提供共享的模型标题生成能力 | — |
session-title-first-prompt-llm/ |
根据第一条合格的人类消息生成会话标题 | 注册到 ctx.sessionTitle |
session-title-all-prompts-llm/ |
根据所有合格的人类消息生成会话标题 | 注册到 ctx.sessionTitle |
部署可以注册一个模型驱动提供方;未注册时,服务仍保留确定性回退机制。
遥测
将会话活动投影为外发遥测,并将投递委派给配置的上报后端。遥测决策记录上报边界;模式决策记录即时、反馈门控与禁用投递。
| 包 | 职责 |
|---|---|
session-telemetry/ |
定义捕获、脱敏、投影,以及实时或按需后端投递。 |
session-telemetry-otel/ |
通过 OpenTelemetry 日志以 FULL、FEEDBACK_ONLY 或 DISABLED 模式投递遥测。 |
子系统参考:persistence.md、session-projection.md、session-title.md 与 session-telemetry.md。同一时间只允许一个标题提供方注册;demo 主干挂载回退服务,两个模型提供方都留在默认组合之外。