Interface extensions · DeepSeek Harness plugins

Agent-preset surfaces: the default for later sessions, this session's seat, and the composition editor

Approval composer takeover over the scoped Remote Event waterfall

Dynamic attachment presentation plugin for conversation input, message-image, and trajectory image slots

Official DeepSeek Harness brand occupants for the Web client's sidebar slots

Chat Conversation target, node definitions, renderers, and details surface

Client command surface: global directory cache, '/' source, three command UI kinds, popupSelect registry

Target-neutral Conversation assembly, shell, composer, queue, and view navigation

Produced-files turn tail and clickable final-response file references for Web

In-app directory browsing surface: the workspace directory-flow owner rendering the host's listing and creation primitives

Native directory-picker surface: the renderless workspace directory-flow occupant driving the host's OS chooser

Docking layout kit: split-tree engine with invertible operations, and the React components that render and drive it (zero cordis)

Session goal surface: GoalBar docked above the composer, read from the goal session projection

Input trigger pipeline: '/' and '@' detection, candidate menu, pick routing to registered sources

Session-header background-job list: live registry state mirrored from session/jobs frames

Shell plugin: three-column AppFrame with drag handles, ctx.layout viewing-state service (navigation + panels)

The Web feedback surface: per-message Like/Dislike in the assistant-message action strip and the feedback dialog behind both ratings and /feedback, backed by the messageFeedback and sessionFeedback Host Remotes

Model selection over the shared model catalog, Session projection, and session.selectModel

Web Session-header "Open In..." split button opening the session workspace directory in a locally installed application

Permission surfaces: a new-session default in General settings and a current-session /permission popup over the permissions projection

Plan-mode composer control: the conversation.input.plan seat over the plan projection and the /plan command channel

Pure React atoms for the dsh web UI: controls, icons, markdown, and JSON inspectors (zero cordis)

Unified Web @file and @session reference source

Browser UI renderer: React slot bindings, ctx.uiRenderer, and the assembled application root

Read-only active Schedule catalog in the Web Session header