deepseek-harness/examples/coding-agent/composition.md

Coding Agent App Composition

The coding REPL demo adds the real DeepSeek adapter, filesystem tools, todo_write, compaction, and both subagent transports on top of the stdio app package.

flowchart LR
  cfg["examples/coding-agent<br/>cordis.yml"]
  plugin_coding_hmr["hmr<br/>@cordisjs/plugin-hmr"]
  cfg --> plugin_coding_hmr
  plugin_coding_llm_deepseek["llm-deepseek<br/>@deepseek-ai/dsh-llm-deepseek"]
  cfg --> plugin_coding_llm_deepseek
  plugin_coding_bash["bash<br/>@deepseek-ai/dsh-bash-local"]
  cfg --> plugin_coding_bash
  plugin_coding_stdio_agent["stdio-agent<br/>@deepseek-ai/dsh-stdio-agent"]
  cfg --> plugin_coding_stdio_agent
  plugin_coding_stdio_agent --> bundle_agent_core["@deepseek-ai/dsh-agent-core"]
  plugin_coding_stdio_agent --> bundle_jsonl["@deepseek-ai/dsh-session-persistence-jsonl"]
  plugin_coding_stdio_agent --> frontdoor_stdio["readline UI<br/>console logger<br/>pre-created main agent"]
  bundle_agent_core --> spine_llm["ctx.llm"]
  bundle_agent_core --> spine_sessions["ctx.sessions"]
  bundle_agent_core --> spine_tools["ctx.tools + tool-bash"]
  bundle_agent_core --> spine_loop["ctx.agents + ctx.agentLoop"]
  plugin_coding_compact_basic["compact-basic<br/>@deepseek-ai/dsh-compact-basic"]
  cfg --> plugin_coding_compact_basic
  plugin_coding_subagent["subagent<br/>@deepseek-ai/dsh-subagent"]
  cfg --> plugin_coding_subagent
  plugin_coding_subagent_spawn["subagent-spawn<br/>@deepseek-ai/dsh-subagent-spawn"]
  cfg --> plugin_coding_subagent_spawn
  plugin_coding_subagent_fork["subagent-fork<br/>@deepseek-ai/dsh-subagent-fork"]
  cfg --> plugin_coding_subagent_fork
  plugin_coding_tool_subagent["tool-subagent<br/>@deepseek-ai/dsh-tool-subagent"]
  cfg --> plugin_coding_tool_subagent
  plugin_coding_tool_subagent_fork["tool-subagent-fork<br/>@deepseek-ai/dsh-tool-subagent"]
  cfg --> plugin_coding_tool_subagent_fork
  plugin_coding_tool_todo["tool-todo<br/>@deepseek-ai/dsh-tool-todo"]
  cfg --> plugin_coding_tool_todo
  plugin_coding_fs_local["fs-local<br/>@deepseek-ai/dsh-fs-local"]
  cfg --> plugin_coding_fs_local
  plugin_coding_fs_policy["fs-policy<br/>@deepseek-ai/dsh-fs-policy"]
  cfg --> plugin_coding_fs_policy
  plugin_coding_tool_fs["tool-fs<br/>@deepseek-ai/dsh-tool-fs"]
  cfg --> plugin_coding_tool_fs

Plugin id	Package / module
hmr	@cordisjs/plugin-hmr
llm-deepseek	@deepseek-ai/dsh-llm-deepseek
bash	@deepseek-ai/dsh-bash-local
stdio-agent	@deepseek-ai/dsh-stdio-agent
compact-basic	@deepseek-ai/dsh-compact-basic
subagent	@deepseek-ai/dsh-subagent
subagent-spawn	@deepseek-ai/dsh-subagent-spawn
subagent-fork	@deepseek-ai/dsh-subagent-fork
tool-subagent	@deepseek-ai/dsh-tool-subagent
tool-subagent-fork	@deepseek-ai/dsh-tool-subagent
tool-todo	@deepseek-ai/dsh-tool-todo
fs-local	@deepseek-ai/dsh-fs-local
fs-policy	@deepseek-ai/dsh-fs-policy
tool-fs	@deepseek-ai/dsh-tool-fs

Source config: examples/coding-agent/cordis.yml.

Maintenance mode: hybrid: the leaf plugin list is parsed from its cordis.yml; app package expansion is curated from package source.