# Plan-Mode ACP Agent App Composition
The plan-mode demo composes session modes onto the ACP server: the editor mode picker drives plan mode, and the model exits through the user-reviewed exit_plan_mode tool.
```mermaid
flowchart LR
cfg["examples/plan-acp-agent
cordis.yml"]
plugin_plan-acp_llm_deepseek["llm-deepseek
@deepseek-ai/dsh-llm-deepseek"]
cfg --> plugin_plan-acp_llm_deepseek
plugin_plan-acp_acp_agent["acp-agent
@deepseek-ai/dsh-acp-demo"]
cfg --> plugin_plan-acp_acp_agent
plugin_plan-acp_acp_agent --> bundle_agent_core["@deepseek-ai/dsh-agent-spine-demo"]
plugin_plan-acp_acp_agent --> bundle_jsonl["@deepseek-ai/dsh-session-persistence-jsonl"]
plugin_plan-acp_acp_agent --> frontdoor_acp["@deepseek-ai/dsh-acp
JSON-RPC stdio bridge
sessions created by client"]
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_plan-acp_mode["mode
@deepseek-ai/dsh-mode"]
cfg --> plugin_plan-acp_mode
plugin_plan-acp_sandbox["sandbox
@deepseek-ai/dsh-sandbox-local"]
cfg --> plugin_plan-acp_sandbox
plugin_plan-acp_bash["bash
@deepseek-ai/dsh-bash-sandbox"]
cfg --> plugin_plan-acp_bash
plugin_plan-acp_approval["approval
@deepseek-ai/dsh-user-approval"]
cfg --> plugin_plan-acp_approval
plugin_plan-acp_tool_ask_user["tool-ask-user
@deepseek-ai/dsh-tool-ask-user"]
cfg --> plugin_plan-acp_tool_ask_user
plugin_plan-acp_fs_local["fs-local
@deepseek-ai/dsh-fs-local"]
cfg --> plugin_plan-acp_fs_local
plugin_plan-acp_fs_policy["fs-policy
@deepseek-ai/dsh-fs-policy"]
cfg --> plugin_plan-acp_fs_policy
plugin_plan-acp_tool_fs["tool-fs
@deepseek-ai/dsh-tool-fs"]
cfg --> plugin_plan-acp_tool_fs
plugin_plan-acp_tool_todo["tool-todo
@deepseek-ai/dsh-tool-todo"]
cfg --> plugin_plan-acp_tool_todo
```
| Plugin id | Package / module |
| --- | --- |
| `llm-deepseek` | `@deepseek-ai/dsh-llm-deepseek` |
| `acp-agent` | `@deepseek-ai/dsh-acp-demo` |
| `mode` | `@deepseek-ai/dsh-mode` |
| `sandbox` | `@deepseek-ai/dsh-sandbox-local` |
| `bash` | `@deepseek-ai/dsh-bash-sandbox` |
| `approval` | `@deepseek-ai/dsh-user-approval` |
| `tool-ask-user` | `@deepseek-ai/dsh-tool-ask-user` |
| `fs-local` | `@deepseek-ai/dsh-fs-local` |
| `fs-policy` | `@deepseek-ai/dsh-fs-policy` |
| `tool-fs` | `@deepseek-ai/dsh-tool-fs` |
| `tool-todo` | `@deepseek-ai/dsh-tool-todo` |
Source config: [`examples/plan-acp-agent/cordis.yml`](cordis.yml).
Maintenance mode: hybrid: the leaf plugin list is parsed from its `cordis.yml`; app package expansion is curated from package source.