deepseek-harness/packages/subagent

subagent/ — subagent capability family

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This family lets an agent delegate work to child agents. Multiple named providers may coexist in one context.

Package	Role	ctx key
subagent/	Defines provider registration, delegation, and continuation	ctx.subagents
subagent-inprocess/	Provides the shared in-process run driver	—
subagent-spawn/	Starts a fresh in-process child	registers on ctx.subagents
subagent-fork/	Starts an in-process child from the parent's completed history	registers on ctx.subagents
subagent-acp/	Starts an out-of-process child over ACP	registers on ctx.subagents
subagent-codex/	Starts a real Codex app-server child	registers on ctx.subagents
subagent-claude-code/	Starts a real Claude Code child through the official Claude Agent SDK	registers on ctx.subagents
subagent-dsh-sdk/	Starts an out-of-process Harness child through the TypeScript SDK	registers on ctx.subagents
tool-subagent/	Exposes delegation to the model	registers on ctx.tools
tool-subagent-control/	Exposes child messaging and listing to the model	registers on ctx.tools
tool-subagent-report/	Provides the child-to-parent report channel	registers in child scopes

See the decisions for the capability family, continuable children, and control tools.

The subsystem reference — start requests, results, live runs, the provider seam, continuable background children — is docs/subsystems/subagent.md; design rationale in the subagent capability seam, continuable background subagents, and merged subagent control service Agent Notes.