Merge remote-tracking branch 'origin/master' into worktree/web-theme-settings-integration-fde706

# Conflicts:
#	.agents/notes/implemented/architecture/2026-07-30-client-locale-full-rollout.i18n.yaml
#	.agents/notes/implemented/architecture/2026-07-30-client-locale-full-rollout.zh.md
#	.agents/notes/implemented/feature/2026-07-30-web-queue-steer-action.i18n.yaml
#	.agents/notes/implemented/feature/2026-07-30-web-queue-steer-action.zh.md
#	.agents/notes/implemented/feature/2026-07-31-browser-derived-initial-locale.i18n.yaml
#	.agents/notes/implemented/feature/2026-07-31-browser-derived-initial-locale.zh.md
#	.agents/notes/implemented/testing/2026-07-24-web-gui-browser-e2e-lane.i18n.yaml
#	apps/web/tests/scaffold.ts
#	docs/module-graph.md
#	packages/client/runtime/README.i18n.yaml
#	packages/client/runtime/package.json
#	packages/client/test-runtime/README.i18n.yaml
#	packages/client/test-runtime/README.zh.md
#	packages/client/ui-conversation/README.i18n.yaml
#	packages/client/ui-conversation/README.zh.md
#	packages/client/ui-conversation/package.json
#	packages/client/ui-conversation/src/client/apply.ts
#	packages/client/ui-theme/README.i18n.yaml
#	packages/client/ui-theme/README.md
#	packages/client/ui-theme/README.zh.md
#	packages/host/apiproxy/README.i18n.yaml
#	packages/host/apiproxy/README.zh.md
#	pnpm-lock.yaml

packages/client/ui-tool/tests/assembly-surfaces.spec.tsx

@@ -8,6 +8,7 @@ import type { PropsRenderSlots } from '@deepseek-ai/dsh-client-ui-slots'
 import { SlotTestRuntime, usePinnedBrowserLanguages } from '@deepseek-ai/dsh-client-test-runtime'
 import { apply as applyConversation, inject as injectConversation } from '@deepseek-ai/dsh-client-ui-conversation/client'
 import { apply as applyTool, inject as injectTool } from '../src/client/apply.ts'
+import { toolChatSnapshot } from './tool-details-render.tsx'
 
 // The service reads its initial locale from the browser; these specs assert
 // the shipped Chinese copy, so they state the browser they assume.
@@ -75,7 +76,7 @@ async function bench(nodes: ToolResultNode[]) {
   await runtime.sessions.add({
     id: SID,
     summary: { title: 'S', displayTitle: 'S', cwd: '/proj' },
-    snapshot: { nodes },
+    snapshot: { nodes, chat: toolChatSnapshot(nodes) },
     session: {
       loadOlder: vi.fn<ISession['loadOlder']>(),
       prompt: vi.fn<ISession['prompt']>(async () => ({ ok: true, value: { accepted: true } })),

packages/client/ui-tool/tests/chat-code-subcalls.spec.tsx

@@ -11,7 +11,9 @@
 import { Context } from 'cordis'
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
 import { cleanup, fireEvent, render } from '@testing-library/react'
-import { createSnapshotStore, SlotsService } from '@deepseek-ai/dsh-client-runtime/client'
+import {
+  ConversationEventRegistry, ConversationViewRegistry, createSnapshotStore, SlotsService,
+} from '@deepseek-ai/dsh-client-runtime/client'
 import type {
   ConversationSnapshot, RunningToolCall, SessionId, SessionListState,
   ToolCallBlock, ToolResultNode, WorkspaceListState,
@@ -21,6 +23,7 @@ import { LocaleService } from '@deepseek-ai/dsh-client-locale/client'
 import type { PropsRenderSlots } from '@deepseek-ai/dsh-client-ui-slots'
 import { apply as applyConversation, inject as injectConversation } from '@deepseek-ai/dsh-client-ui-conversation/client'
 import { apply as applyTool, inject as injectTool } from '../src/client/apply.ts'
+import { toolChatSnapshot } from './tool-details-render.tsx'
 
 const SID = 's1' as SessionId
 
@@ -75,7 +78,8 @@ function snapshotWith(
   const nestedNodes = nodes.map(node => ({ ...node, subCalls }))
   const nestedRunningCalls = runningCalls.map(call => ({ ...call, subCalls }))
   return {
-    sessionId: SID, nodes: nestedNodes, turnTimings: new Map(), turnEnds: new Map(), partial: null,
+    sessionId: SID, chat: toolChatSnapshot(nestedNodes, nestedRunningCalls),
+    nodes: nestedNodes, turnTimings: new Map(), turnEnds: new Map(), partial: null,
     runningCalls: nestedRunningCalls,
     pending: [], queue: [], running: runningCalls.length > 0, composerPhase: 'active', removed: false,
     openState: 'open', openError: null,
@@ -89,11 +93,16 @@ function AppRoot({ renderSlot }: AppRootProps) {
   return <>{renderSlot('conversation', {})}</>
 }
 
-/** Same real-stack bench as the toolview-slot spec: SlotsService + renderer + both owning package applies; fakes only at service seams. */
+/**
+ * Same real-stack bench as the toolview-slot spec: SlotsService + renderer +
+ * both owning package applies; fakes only at service boundaries.
+ */
 async function bench(snapshot: ConversationSnapshot) {
   const ctx = new Context()
   const slotsFiber = ctx.plugin(SlotsService)
   await slotsFiber.await()
+  await ctx.plugin(ConversationEventRegistry).await()
+  await ctx.plugin(ConversationViewRegistry).await()
   const slots = ctx.get('slots') as SlotsService
 
   const session = createSnapshotStore<ConversationSnapshot>(snapshot)

packages/client/ui-tool/tests/diff-card.spec.tsx

@@ -20,7 +20,7 @@ import { createChatStore } from '@deepseek-ai/dsh-client-ui-conversation/src/cli
 import { GenericToolCard, type GenericToolCardProps } from '../src/client/tool/toolviews/GenericToolCard.tsx'
 import { DetailsPanel } from '@deepseek-ai/dsh-client-ui-conversation/src/client/skeleton/DetailsPanel.tsx'
 import { FileMutationRow, fileMutationToolview } from '../src/client/tool/toolviews/file-mutation-row.tsx'
-import { renderToolDetails, SessionProviderStub } from './tool-details-render.tsx'
+import { renderToolDetails, SessionProviderStub, toolChatSnapshot } from './tool-details-render.tsx'
 import { zh } from '@deepseek-ai/dsh-client-ui-conversation/src/client/locales.ts'
 
 afterEach(cleanup)
@@ -342,8 +342,11 @@ describe('DetailsPanel diff Output section', () => {
   }
 
   function snapshot(over: Partial<ConversationSnapshot> = {}): ConversationSnapshot {
+    const nodes = over.nodes ?? []
+    const runningCalls = over.runningCalls ?? []
     return {
-      sessionId: SID, nodes: [], turnTimings: new Map(), turnEnds: new Map(), partial: null, runningCalls: [],
+      sessionId: SID, chat: over.chat ?? toolChatSnapshot(nodes, runningCalls),
+      nodes: [], turnTimings: new Map(), turnEnds: new Map(), partial: null, runningCalls: [],
       pending: [], queue: [], running: false, composerPhase: 'active', removed: false,
       openState: 'open', openError: null, hasMore: false, loadingOlder: false,
       promptError: null, blank: false, subagent: null, lastAgentError: null, ...over,

packages/client/ui-tool/tests/read-card.spec.tsx

@@ -24,7 +24,7 @@ import { GenericToolCard, type GenericToolCardProps } from '../src/client/tool/t
 import { zh } from '@deepseek-ai/dsh-client-ui-conversation/src/client/locales.ts'
 import { DetailsPanel } from '@deepseek-ai/dsh-client-ui-conversation/src/client/skeleton/DetailsPanel.tsx'
 import { ReadRow, readToolview } from '../src/client/tool/toolviews/read-row.tsx'
-import { renderToolDetails, SessionProviderStub } from './tool-details-render.tsx'
+import { renderToolDetails, SessionProviderStub, toolChatSnapshot } from './tool-details-render.tsx'
 
 afterEach(cleanup)
 
@@ -288,8 +288,11 @@ describe('DetailsPanel Output section (read)', () => {
   }
 
   function snapshot(over: Partial<ConversationSnapshot> = {}): ConversationSnapshot {
+    const nodes = over.nodes ?? []
+    const runningCalls = over.runningCalls ?? []
     return {
-      sessionId: SID, nodes: [], turnTimings: new Map(), turnEnds: new Map(), partial: null, runningCalls: [],
+      sessionId: SID, chat: over.chat ?? toolChatSnapshot(nodes, runningCalls),
+      nodes: [], turnTimings: new Map(), turnEnds: new Map(), partial: null, runningCalls: [],
       pending: [], queue: [], running: false, composerPhase: 'active', removed: false,
       openState: 'open', openError: null, hasMore: false, loadingOlder: false,
       promptError: null, blank: false, subagent: null, lastAgentError: null, ...over,

packages/client/ui-tool/tests/search-card.spec.tsx

@@ -23,7 +23,7 @@ import { createChatStore } from '@deepseek-ai/dsh-client-ui-conversation/src/cli
 import { GenericToolCard, type GenericToolCardProps } from '../src/client/tool/toolviews/GenericToolCard.tsx'
 import { DetailsPanel } from '@deepseek-ai/dsh-client-ui-conversation/src/client/skeleton/DetailsPanel.tsx'
 import { SearchRow, searchToolview } from '../src/client/tool/toolviews/search-row.tsx'
-import { renderToolDetails, SessionProviderStub } from './tool-details-render.tsx'
+import { renderToolDetails, SessionProviderStub, toolChatSnapshot } from './tool-details-render.tsx'
 
 /** SearchRow now composes ToolRow, so its props include the locale `t` seat. */
 type SearchRowProps = Parameters<typeof SearchRow>[0]
@@ -404,8 +404,11 @@ describe('DetailsPanel Output section (search)', () => {
   }
 
   function snapshot(over: Partial<ConversationSnapshot> = {}): ConversationSnapshot {
+    const nodes = over.nodes ?? []
+    const runningCalls = over.runningCalls ?? []
     return {
-      sessionId: SID, nodes: [], turnTimings: new Map(), turnEnds: new Map(), partial: null, runningCalls: [],
+      sessionId: SID, chat: over.chat ?? toolChatSnapshot(nodes, runningCalls),
+      nodes: [], turnTimings: new Map(), turnEnds: new Map(), partial: null, runningCalls: [],
       pending: [], queue: [], running: false, composerPhase: 'active', removed: false,
       openState: 'open', openError: null, hasMore: false, loadingOlder: false,
       promptError: null, blank: false, subagent: null, lastAgentError: null, ...over,

packages/client/ui-tool/tests/terminal-card.spec.tsx

@@ -20,7 +20,7 @@ import { createChatStore } from '@deepseek-ai/dsh-client-ui-conversation/src/cli
 import { GenericToolCard, type GenericToolCardProps } from '../src/client/tool/toolviews/GenericToolCard.tsx'
 import { DetailsPanel } from '@deepseek-ai/dsh-client-ui-conversation/src/client/skeleton/DetailsPanel.tsx'
 import { BashRow } from '../src/client/tool/toolviews/bash-sample.tsx'
-import { renderToolDetails, SessionProviderStub } from './tool-details-render.tsx'
+import { renderToolDetails, SessionProviderStub, toolChatSnapshot } from './tool-details-render.tsx'
 import { zh } from '@deepseek-ai/dsh-client-ui-conversation/src/client/locales.ts'
 
 type BashRowProps = Parameters<typeof BashRow>[0]
@@ -479,8 +479,11 @@ describe('DetailsPanel Output section', () => {
   }
 
   function snapshot(over: Partial<ConversationSnapshot> = {}): ConversationSnapshot {
+    const nodes = over.nodes ?? []
+    const runningCalls = over.runningCalls ?? []
     return {
-      sessionId: SID, nodes: [], turnTimings: new Map(), turnEnds: new Map(), partial: null, runningCalls: [],
+      sessionId: SID, chat: over.chat ?? toolChatSnapshot(nodes, runningCalls),
+      nodes: [], turnTimings: new Map(), turnEnds: new Map(), partial: null, runningCalls: [],
       pending: [], queue: [], running: false, composerPhase: 'active', removed: false,
       openState: 'open', openError: null, hasMore: false, loadingOlder: false,
       promptError: null, blank: false, subagent: null, lastAgentError: null, ...over,

packages/client/ui-tool/tests/tool-call-tree.spec.tsx

@@ -29,12 +29,21 @@ function props(
   return {
     useSession,
     renderSlot,
-    callId: block.callId,
-    toolName: block.call?.name ?? '',
-    block,
+    node: {
+      key: `tool:${block.callId}`,
+      kind: 'tool-call',
+      id: block.callId,
+      target: 'chat',
+      anchorSeq: block.seq,
+      location: { kind: 'session' },
+      visibility: 'visible',
+      data: { root: block },
+    },
     selectedCallId,
     openFile: vi.fn(),
     inspectCall: vi.fn(),
+    forkAt: vi.fn(),
+    fileMentions: vi.fn(),
     t,
   } as unknown as ToolTreeProps
 }

packages/client/ui-tool/tests/tool-details-render.tsx

@@ -1,5 +1,7 @@
 /** Test adapter for the production conversation.details.tool registration. */
-import type { SessionId } from '@deepseek-ai/dsh-client-runtime/client'
+import type {
+  ChatConversationViewNode, ChatSnapshot, ConversationNode, RunningToolCall, SessionId,
+} from '@deepseek-ai/dsh-client-runtime/client'
 import type { SessionProviderComponent, TranslateNS } from '@deepseek-ai/dsh-client-ui-slots'
 import type { DetailsSlotProps, DetailsToolOwnerProps } from '@deepseek-ai/dsh-client-ui-conversation/src/client/contract/slots.ts'
 import { ToolDetails } from '../src/client/tool/ToolDetails.tsx'
@@ -7,6 +9,45 @@ import { ToolDetails } from '../src/client/tool/ToolDetails.tsx'
 /** Framework session-area seat used by direct DetailsPanel tests. */
 export const SessionProviderStub: SessionProviderComponent = ({ children }) => children('s1' as SessionId)
 
+/** Build the canonical Chat slice consumed by Tool rows and details tests. */
+export function toolChatSnapshot(
+  settled: readonly ConversationNode[] = [],
+  running: readonly RunningToolCall[] = [],
+): ChatSnapshot {
+  const roots = [...settled.filter(node => node.kind === 'tool-result'), ...running]
+  const nodes: ChatConversationViewNode[] = roots.map(root => ({
+    key: `tool:${root.callId}`,
+    kind: 'tool-call',
+    id: root.callId,
+    target: 'chat',
+    anchorSeq: 'kind' in root ? root.seq : Number.MAX_SAFE_INTEGER,
+    location: { kind: 'session' },
+    visibility: 'visible',
+    data: { root },
+  }))
+  const byKey = new Map(nodes.map(node => [node.key, node]))
+  const empty: readonly string[] = []
+  return {
+    order: nodes.map(node => node.key),
+    nodes: {
+      get: key => byKey.get(key),
+      values: () => nodes,
+    },
+    locations: {
+      getTurn: () => empty,
+      getStep: () => empty,
+    },
+    timeline: { turnOrder: [], turns: new Map() },
+    legacy: {
+      nodes: settled,
+      runningCalls: running,
+      partial: null,
+      turnTimings: new Map(),
+      turnEnds: new Map(),
+    },
+  }
+}
+
 /**
  * Bind ui-tool's details renderer to the conversation slot callback shape.
  * @param t - conversation locale seat used by Tool cards.
@@ -16,7 +57,7 @@ export function renderToolDetails(t: TranslateNS<'conversation'>): DetailsSlotPr
   return (_key, owner) => {
     // PropsRenderSlots keeps its key generic even for this one-key share;
     // recover the concrete owner selected by the adapter's fixed slot.
-    const details = owner as DetailsToolOwnerProps
+    const details = owner as unknown as DetailsToolOwnerProps
     return <ToolDetails block={details.block} cwd={details.cwd} t={t} />
   }
 }

packages/client/ui-tool/tests/tool-row.spec.tsx

@@ -71,8 +71,8 @@ describe('tool-call-model', () => {
     expect(toolRowModel('read', running({ name: 'read', argsRaw: '{"path":"/tmp/x.ts"}' })).summary).toBe('/tmp/x.ts')
     expect(toolRowModel('write', running({ name: 'write', argsRaw: '{"file_path":"src/x.ts"}' })).summary).toBe('src/x.ts')
     expect(toolRowModel('edit', running({ name: 'edit', argsRaw: '{"file_path":"src/x.ts"}' })).summary).toBe('src/x.ts')
-    // Others rows prefix the real tool name into the summary slot (figma-flows
-    // ruling: static "Tool call" title, name rides the mutable summary).
+    // Other rows prefix the real tool name into the summary slot (figma
+    // flows: static "Tool call" title, the name rides the mutable summary).
     expect(toolRowModel('x', running({ argsRaw: '{"n":1}' })).summary).toBe('x · {"n":1}')
     expect(toolRowModel('x', running({ argsRaw: 'not json' })).summary).toBe('x · not json')
     expect(toolRowModel('x', running({ argsRaw: '' })).summary).toBe('x · c1')

packages/client/ui-tool/tests/toolview-slot.spec.tsx

@@ -18,6 +18,7 @@ import { LocaleService } from '@deepseek-ai/dsh-client-locale/client'
 import { apply as applyConversation, inject as injectConversation } from '@deepseek-ai/dsh-client-ui-conversation/client'
 import { apply as applyTool, inject as injectTool } from '@deepseek-ai/dsh-client-ui-tool/client'
 import type { ToolCallViewProps } from '@deepseek-ai/dsh-client-ui-tool/client'
+import { toolChatSnapshot } from './tool-details-render.tsx'
 
 const SID = 's1' as SessionId
 
@@ -58,7 +59,7 @@ const LAYOUT_CHILDREN = {
 
 /**
  * Real-stack bench: SlotTestRuntime with the session/layout doubles at the
- * service seams only (external boundaries), the package apply on its own
+ * service boundaries only, the package apply on its own
  * fiber, and the test AppFrame occupying 'root'.
  */
 async function bench(nodes: ToolResultNode[]) {
@@ -72,7 +73,7 @@ async function bench(nodes: ToolResultNode[]) {
   await runtime.sessions.add({
     id: SID,
     summary: { title: 'S', displayTitle: 'S' },
-    snapshot: { nodes },
+    snapshot: { nodes, chat: toolChatSnapshot(nodes) },
     session: {
       loadOlder: vi.fn<ISession['loadOlder']>(),
       prompt: vi.fn<ISession['prompt']>(async () => ({ ok: true, value: { accepted: true } })),

packages/client/ui-tool/tests/web-card.spec.tsx

@@ -23,7 +23,7 @@ import { createChatStore } from '@deepseek-ai/dsh-client-ui-conversation/src/cli
 import { GenericToolCard } from '../src/client/tool/toolviews/GenericToolCard.tsx'
 import { DetailsPanel } from '@deepseek-ai/dsh-client-ui-conversation/src/client/skeleton/DetailsPanel.tsx'
 import { WebRow, webToolview } from '../src/client/tool/toolviews/web-row.tsx'
-import { renderToolDetails, SessionProviderStub } from './tool-details-render.tsx'
+import { renderToolDetails, SessionProviderStub, toolChatSnapshot } from './tool-details-render.tsx'
 import { makeTranslate } from '@deepseek-ai/dsh-client-test-runtime'
 import { zh as commonZh } from '@deepseek-ai/dsh-client-locale/src/locales/zh.ts'
 import { zh } from '@deepseek-ai/dsh-client-ui-conversation/src/client/locales.ts'
@@ -234,8 +234,11 @@ describe('DetailsPanel web Output section', () => {
   }
 
   function snapshot(over: Partial<ConversationSnapshot> = {}): ConversationSnapshot {
+    const nodes = over.nodes ?? []
+    const runningCalls = over.runningCalls ?? []
     return {
-      sessionId: SID, nodes: [], turnTimings: new Map(), turnEnds: new Map(), partial: null, runningCalls: [],
+      sessionId: SID, chat: over.chat ?? toolChatSnapshot(nodes, runningCalls),
+      nodes: [], turnTimings: new Map(), turnEnds: new Map(), partial: null, runningCalls: [],
       pending: [], queue: [], running: false, composerPhase: 'active', removed: false,
       openState: 'open', openError: null, hasMore: false, loadingOlder: false,
       promptError: null, blank: false, subagent: null, lastAgentError: null, ...over,