# Conflicts: # .agents/notes/implemented/architecture/2026-07-25-web-client-session-scope-and-provide-channel.i18n.yaml # docs/architecture.i18n.yaml # docs/architecture.md # docs/architecture.zh.md # docs/cookbook/extension-cookbook.i18n.yaml # docs/cookbook/extension-cookbook.md # docs/cookbook/extension-cookbook.zh.md # docs/core-data-structures/llm-streaming.i18n.yaml # docs/core-data-structures/session.i18n.yaml # docs/defensive-patterns.i18n.yaml # packages/acp/acp/README.i18n.yaml # packages/client/runtime/README.i18n.yaml # packages/client/ui-conversation/README.i18n.yaml # packages/client/ui-goal/README.i18n.yaml # packages/compact/compact-basic/README.i18n.yaml # packages/context/README.i18n.yaml # packages/context/README.md # packages/context/README.zh.md # packages/context/session-reference/README.i18n.yaml # packages/context/session-reference/README.md # packages/context/session-reference/README.zh.md # packages/context/tmux-context/README.i18n.yaml # packages/core/session/README.i18n.yaml # packages/core/session/README.md # packages/core/session/README.zh.md # packages/goal/command-goal/README.i18n.yaml # packages/goal/goal-session/README.i18n.yaml # packages/goal/goal-session/README.zh.md # packages/guard/README.i18n.yaml # packages/guard/README.md # packages/guard/README.zh.md # packages/guard/repeat-tool-guard/README.i18n.yaml # packages/host/apiproxy/README.i18n.yaml # packages/host/apiproxy/README.md # packages/host/apiproxy/README.zh.md # packages/plan/plan-mode/README.i18n.yaml # packages/sdk/sdk-client/README.i18n.yaml # packages/sdk/sdk-client/README.md # packages/sdk/sdk-client/README.zh.md # packages/session-persistence/session-persistence/README.i18n.yaml # packages/subagent/subagent-dsh-sdk/README.i18n.yaml # python/sdk/README.i18n.yaml
core/ — product API spine
English | 中文
The session log, system-prompt assembly, tool registry, agent vocabulary, and concrete loop that form the harness's default control spine. These are product packages — the stable surface plugins and consumers build against.
| Package | Role | ctx key |
|---|---|---|
scope/ |
Scoped-context registration primitive | library — no ctx key |
session/ |
Event-sourced session log and in-memory store | ctx.sessions |
system-prompt/ |
Prompt and tool-schema assembly registry | ctx.systemPrompt |
tools/ |
Scoped tool registry and execution pipeline | ctx.tools |
agent/ |
Agent interface, registry, and event vocabulary | ctx.agents |
agent-loop/ |
Default concrete agent driver | ctx.agentLoop |
scope supplies the shared scoping primitive. agent owns the public seam, while agent-loop is its default implementation; extension plugins depend on the seam so the driver remains swappable.
Runnable compositions belong to examples/agent-spine-demo; this group owns only the swappable spine pieces.