Files
deepseek-harness/packages/client/ui-conversation/src/client/apply.ts

401 lines
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TypeScript

/** Registers the conversation components, shared store, and service callbacks. */
import type { Context } from 'cordis'
import { resolveSlotLabel, type BoundActions } from '@deepseek-ai/dsh-client-ui-slots'
import type { ISessions, SessionId } from '@deepseek-ai/dsh-client-runtime/client'
import type {} from '@deepseek-ai/dsh-client-ui-layout/client'
// Type-only: pulls the locale plugin's Context merge (ctx.locale).
import type {} from '@deepseek-ai/dsh-client-locale/client'
import type { ViewTab } from './contract/views.ts'
import type {
ApprovalWait, ChatScrollPosition, ChatViewInjected, ComposerBarInjected, ComposerChainProps, ConversationInjected,
ConversationSessionHeaderInjected, ConversationSessionInjected, DetailsInjected,
} from './contract/slots.ts'
import type { InputNotice } from './input/contract.ts'
import { resolveToolPath } from './contract/tool-call-model.ts'
import { createChatStore } from './stores.ts'
import { ConversationService } from './service.ts'
import type { IConversation } from './service.ts'
import { InputHub } from './input/hub.ts'
import { ComposerSubmissionPolicy } from './input/submission-policy.ts'
import { InputBar } from './skeleton/InputBar.tsx'
import { EnterBehaviorRow } from './settings/EnterBehaviorRow.tsx'
import type { EnterBehaviorRowInjected } from './settings/EnterBehaviorRow.tsx'
import { ChatView } from './chat/ChatView.tsx'
import { StatsLine } from './chat/StatsLine.tsx'
import { bashToolviewSample } from './toolviews/bash-sample.tsx'
import { readToolview } from './toolviews/read-row.tsx'
import { fileMutationToolview } from './toolviews/file-mutation-row.tsx'
import { searchToolview } from './toolviews/search-row.tsx'
import { webToolview } from './toolviews/web-row.tsx'
import { ApprovalPanel } from './skeleton/ApprovalPanel.tsx'
import { todoToolview } from './toolviews/todo-row.tsx'
import { askQuestionToolview } from './toolviews/ask-question-row.tsx'
import { todoDockEntry } from './skeleton/TodoPanel.tsx'
import { queueDockEntry } from './queue/QueueDock.tsx'
import { ConversationRoot } from './skeleton/ConversationRoot.tsx'
import { ConversationSession, ConversationSessionHeader } from './skeleton/ConversationSession.tsx'
import { DetailsPanel } from './skeleton/DetailsPanel.tsx'
import { en, NS, zh, type ConversationKey } from './locales.ts'
declare module '@deepseek-ai/dsh-client-ui-slots' {
interface LocaleNamespaceMap {
/** The conversation surfaces' copy (skeleton, chat view, toolviews, docks). */
conversation: ConversationKey
}
}
/** Services required by the conversation plugin. */
export const inject = ['slots', 'layout', 'sessions', 'workspaces', 'locale']
// Static no-session sources for the composer-bar hooks compartment: module
// constants so the render side's per-source hook cache (observableHook) keeps
// one identity across every no-session render.
const ABSENT_NOTICES = {
getSnapshot: (): InputNotice | null => null,
subscribe: () => () => {},
}
const EMPTY_LEXICON: ReadonlyMap<'/' | '@', readonly string[]> = new Map()
const ABSENT_LEXICON = {
getSnapshot: () => EMPTY_LEXICON,
subscribe: () => () => {},
}
const ABSENT_MENU_LAUNCHER = {
getSnapshot: (): string | null => null,
subscribe: () => () => {},
}
/** Resolve the session-scoped conversation face (scope-addressed send/cancel), failing loud. */
function scopedConversation(sessions: ISessions, id: SessionId): IConversation {
const scoped = sessions.scope(id)
if (scoped === undefined) throw new Error(`ui-conversation: session "${id}" resolved no scope`)
const conversation = scoped.get('conversation')
if (conversation === undefined) throw new Error('ui-conversation: conversation service unavailable through the session scope')
return conversation
}
/** Chain routing: claim the composer while an approval wait is pending (pure — owner props only). */
function selectApproval({ interactions }: ComposerChainProps): ApprovalWait | null {
return interactions.find((i): i is ApprovalWait => i.kind === 'approval') ?? null
}
/** Mounts the conversation plugin.
* @param ctx - Client root context.
*/
export function apply(ctx: Context): void {
const sessions = ctx.sessions
const workspaces = ctx.workspaces
const layout = ctx.layout
const slots = ctx.slots
ctx.effect(() => ctx.locale.register(NS, { zh, en }), 'ui-conversation: dictionaries')
// Registration-time text (the view tab label) reads through the bound
// translate as a thunk, so it follows the active locale without
// re-registration; components read the standard `t` seat instead.
const t = ctx.locale.bind(NS)
// Apply-time construction keeps store identity bound to this fiber.
const chatStore = createChatStore()
const submissionPolicy = new ComposerSubmissionPolicy()
ctx.slots.inject('settings.general.item', () => ctx.slots.register({
name: 'settings.general.item',
id: 'composer-enter',
order: 20,
locale: NS,
inject: (): EnterBehaviorRowInjected => ({
hooks: { busyEnter: submissionPolicy.busyEnter },
setBusyEnter: (behavior) => { submissionPolicy.setBusyEnter(behavior) },
}),
}, EnterBehaviorRow))
// Chat semantic reader positions by session, surviving view switches and
// width reflow when the tab ring remounts the view. Deliberately not
// persisted: a fresh page load keeps the open-jump-to-bottom default.
const chatScrollPositions = new Map<SessionId, ChatScrollPosition>()
const viewTabs = (): ViewTab[] => {
const tabs: ViewTab[] = []
for (const entry of slots.entries('conversation.view')) {
/* v8 ignore next -- unreachable: list registration validates id at load. */
if (entry.options.id === undefined) continue
tabs.push({ id: entry.options.id, label: resolveSlotLabel(entry.options.label) ?? entry.options.id })
}
return tabs
}
const views = {
list: viewTabs,
subscribe: (fn: () => void) => slots.subscribe('conversation.view', fn),
version: () => slots.getVersion('conversation.view'),
}
// The per-session input machine registry (InputService face; published as
// ctx.conversation.input by the service below sharing this one instance).
const inputHub = new InputHub(ctx)
// Decision 19/20: the input machine feeds every session-scope slot
// component through the standard provide channel — the 'input' hook plus
// the two public actions. Materialization is the shell creation trigger
// (per-session lazy; scope disposer tears down).
ctx.effect(() => sessions.provide({
hooks: ['input'],
props: ['inputActions'],
resolve: (binding) => {
const shell = inputHub.shellFor(binding)
return {
hooks: { input: shell.state },
props: { inputActions: shell.actions },
}
},
}), 'ui-conversation: input standard-kit provider')
// Resident current-session-optional shell. It owns the stable Hero/composer
// frame while strict session slots fill only their session-bound regions.
slots.register({
name: 'conversation',
locale: NS,
children: {
'conversation.session': { kind: 'single', scope: 'session' },
'conversation.session.header': { kind: 'single', scope: 'session' },
'conversation.composer': { kind: 'chain', scope: 'session' },
'conversation.composer.bar': { kind: 'single', scope: 'session-maybe' },
'conversation.input.overlay': { kind: 'list', scope: 'session' },
'conversation.input.dock': { kind: 'list', scope: 'session' },
'conversation.composer.dock': { kind: 'list', scope: 'session' },
'conversation.input.left': { kind: 'list', scope: 'session' },
'conversation.input.right': { kind: 'list', scope: 'session' },
'conversation.hero.workspace': { kind: 'single', scope: 'root' },
},
inject: (sessionId: SessionId | undefined): ConversationInjected => ({
selectWorkspace: async (workspaceId) => {
const nextId = await workspaces.connectWorkspace(workspaceId)
if (sessionId !== undefined && nextId !== sessionId) {
const from = inputHub.shell(sessionId)
const draft = from.snapshot.draft
if (draft !== '') {
inputHub.shell(nextId).setDraft(draft)
from.setDraft('')
}
}
sessions.open(nextId)
},
}),
}, ConversationRoot)
// The strict session body fills the resident scrollport without owning it;
// the Hero/composer path therefore stays fixed while the first blank
// session appears after a Workspace pick.
slots.register({
name: 'conversation.session',
children: {
'conversation.view': { kind: 'list', scope: 'session' },
},
store: chatStore,
inject: (sessionId: SessionId, _actions: BoundActions<typeof chatStore>): ConversationSessionInjected => ({
views,
bindDraftMirror: write => inputHub.shell(sessionId).bindMirror(write),
}),
}, ConversationSession)
// Header chrome sits above the resident scrollport but shares the same
// per-session chat store (active view) as its body and view entries.
slots.register({
name: 'conversation.session.header',
locale: NS,
children: {
'conversation.session.header.actions': { kind: 'list', scope: 'session' },
},
store: chatStore,
inject: (): ConversationSessionHeaderInjected => ({
views,
open: (id) => { sessions.open(id) },
}),
}, ConversationSessionHeader)
// The default composer body: its own single slot inside the composer
// chain's fallback (decision 20). Public machine surface arrives via the
// provide channel above; the keyboard command face and the stop/retry
// verbs ride this inject (package-internal — hub and bar are one plugin).
// Session-maybe: with no current session the machine faces are absent and
// the hooks compartment binds static empty sources (module constants, so
// observableHook caching and hook order stay stable across transitions).
slots.register({
name: 'conversation.composer.bar',
locale: NS,
// The two named control seats in the bar's tool row (plan beside the
// access control, model right); empty until their owning plugins
// register (B ruling).
children: {
'conversation.input.plan': { kind: 'single', scope: 'session' },
'conversation.input.model': { kind: 'single', scope: 'session' },
},
inject: (sessionId: SessionId | undefined): ComposerBarInjected => {
if (sessionId === undefined) {
return {
keyboard: undefined,
resolveSubmitMode: (running, gesture, steeringAvailable) =>
submissionPolicy.resolve(running, gesture, steeringAvailable),
toggleCommandMenu: undefined,
stop: undefined,
command: undefined,
hooks: { notices: ABSENT_NOTICES, lexicon: ABSENT_LEXICON, menuLauncher: ABSENT_MENU_LAUNCHER },
}
}
const shell = inputHub.shell(sessionId)
const slash = inputHub.slash(sessionId)
return {
keyboard: shell,
resolveSubmitMode: (running, gesture, steeringAvailable) =>
submissionPolicy.resolve(running, gesture, steeringAvailable),
toggleCommandMenu: slash === undefined
? undefined
: (selection) => {
shell.dismissPopup()
const snapshot = shell.snapshot
slash.toggleSource('command', {
trigger: '/',
query: '',
position: snapshot.draft.slice(0, selection.start).trim() === '' ? 'leading' : 'inline',
span: { ...selection, draftRev: snapshot.draftRev },
})
},
stop: () => {
scopedConversation(sessions, sessionId).cancel().catch(() => {
// Stop failure surfaces via snapshot.promptError; nothing to restore.
})
},
command: async (line) => {
const session = sessions.binding(sessionId)?.session
if (session === undefined) return false
const result = await session.command(line)
return result.ok && result.value.matched
},
hooks: {
notices: shell.notices,
lexicon: shell.lexicon,
menuLauncher: slash?.launcher ?? ABSENT_MENU_LAUNCHER,
},
}
},
}, InputBar)
// The approval takeover: a selector-routed entry of the chain this package
// just declared (the ui-question registration pattern; the entry lives here
// because approval answering is core conversation UX, not an optional tool).
// Zero business face — data and verbs both ride the matched carrier.
// priority 1: question takeovers (default 0) win when both kinds are
// pending — a question is a conversation the model is waiting on, while an
// approval only blocks one tool call; answering the question first cannot
// strand the approval (it re-elects the moment the question resolves).
slots.register({ name: 'conversation.composer', select: selectApproval, priority: 1, locale: NS }, ApprovalPanel)
// The chat view: first entry of the ring this package just declared.
// Declaring the keyed toolview hole here is claiming it: ChatView is the
// only component authorized to render per-tool rows. Shares the chat
// store, so its selection writes land in the same per-session instance the
// details panel reads.
slots.register({
name: 'conversation.view',
id: 'chat',
order: 0,
label: () => t('view.chat'),
locale: NS,
children: {
'conversation.chat.toolview': { kind: 'keyed', scope: 'session' },
'conversation.chat.commandview': { kind: 'keyed', scope: 'session' },
},
store: chatStore,
inject: (sessionId: SessionId, actions: BoundActions<typeof chatStore>): ChatViewInjected => {
const scoped = scopedConversation(sessions, sessionId)
return {
openDetails: (target) => {
actions.select(target)
layout.openDetails()
},
openFile: (path) => {
const cwd = sessions.list.getSnapshot().byId[sessionId]?.cwd
void workspaces.openPath(resolveToolPath(cwd, path)).catch(() => {
// Host/OS open failures stay silent in the chat row; the native
// app surfaces its own error dialog when the path is unusable.
})
},
loadOlder: () => { void scoped.loadOlder() },
// Unregistered 'trajectory' id is safe: the tab ring falls back to
// the first view, and the untouched inspect target stays inert.
inspectCall: (callId) => {
actions.setInspect({ callId })
actions.setView('trajectory')
},
chatScroll: {
save: (position) => {
if (position === null) chatScrollPositions.delete(sessionId)
else chatScrollPositions.set(sessionId, position)
},
read: () => chatScrollPositions.get(sessionId) ?? null,
},
forkAt: (seq) => {
sessions.fork({ sessionId, atSeq: seq, increaseTitle: true })
.then((childId) => { sessions.open(childId) })
.catch(() => {
// Fork or child-rename failure keeps the source view untouched.
})
},
}
},
}, ChatView)
// Session stats stick with the composer (composer.dock = stats-line family).
slots.register({ name: 'conversation.composer.dock', id: 'stats', order: 0, locale: NS }, StatsLine)
// Class-plugin mount (packages/AGENTS.md service form): the service
// registers itself as `conversation` and lives on its own child fiber.
// Presentation registrants depend directly on their slot declarations;
// this service remains only where conversation actions are required.
ctx.plugin(ConversationService, { input: inputHub })
// The bash sample rides the same declaration seam, in third-party posture
// (ToolRow-matching Bash · {description} chrome).
ctx.plugin(bashToolviewSample)
// The read row rides the same seam (a product registration, not a sample):
// Read · {path} chrome with the file's read card resident below it.
ctx.plugin(readToolview)
// The write/edit rows ride the same seam: a file-mutation call declares the
// diff render intent, so these rows stack the applied diff card under their
// path-link summary (the terminal card's posture, applied to diffs).
ctx.plugin(fileMutationToolview)
// The grep/glob search row rides the same seam: one component registered
// under both tool names, since both declare the same search render intent.
ctx.plugin(searchToolview)
// The web rows ride the same seam: one WebRow registered under both
// web_search and web_fetch, rendering the completed retrieval's web card
// resident under the summary (a product registration, not a sample).
ctx.plugin(webToolview)
// The todo_write row rides the same seam (a product registration, not a sample).
ctx.plugin(todoToolview)
// The ask_user_question row: waiting/answered/cancelled interaction outcome.
ctx.plugin(askQuestionToolview)
// The plan strip rides the input dock above the queue rows (same posture).
ctx.plugin(todoDockEntry)
// The read-only queue dock entry (T9 file territory) rides the same
// registration seam into the input dock declared above.
ctx.plugin(queueDockEntry)
slots.register({
name: 'details',
locale: NS,
store: chatStore,
inject: (): DetailsInjected => ({
closeDetails: () => { layout.closeDetails() },
}),
}, DetailsPanel)
}