Merge remote-tracking branch 'origin/master' into worktree/web-session-titles

# Conflicts:
#	.agents/notes/implemented/process/2026-07-20-gui-testing-system.i18n.yaml
#	packages/client/ui-conversation/tests/apply-inject.spec.tsx
#	packages/client/ui-conversation/tests/chat-stats-bash-sample.spec.tsx
#	packages/client/ui-conversation/tests/gate-branch-tails.spec.tsx
#	packages/client/ui-conversation/tests/selection-survival.spec.ts
#	packages/client/ui-conversation/tests/skeleton-branches.spec.tsx
#	packages/client/ui-conversation/tests/skeleton.spec.tsx
#	packages/client/ui-layout/tests/service.spec.ts
#	packages/client/ui-sidebar/tests/apply.spec.tsx
#	packages/client/ui-sidebar/tests/store.spec.ts
#	packages/client/ui-trajectory/tests/views.spec.tsx
#	packages/client/web/src/app.tsx
#	packages/client/web/tests/boot.spec.tsx
#	packages/host/runtime/README.md
#	packages/host/runtime/tests/host-runtime.spec.ts

packages/host/runtime/src/boot.ts

@@ -26,6 +26,7 @@ import FsLocal from '@deepseek-ai/dsh-fs-local'
 import * as fsPolicy from '@deepseek-ai/dsh-fs-policy'
 import * as toolFs from '@deepseek-ai/dsh-tool-fs'
 import * as toolFsSearch from '@deepseek-ai/dsh-tool-fs-search'
+import * as workspaceContext from '@deepseek-ai/dsh-workspace-context'
 import SkillService from '@deepseek-ai/dsh-skill'
 import * as SkillLocal from '@deepseek-ai/dsh-skill-local'
 import * as toolSkill from '@deepseek-ai/dsh-tool-skill'
@@ -61,6 +62,8 @@ const DEFAULT_SESSION_TITLE_LLM_CONFIG: SessionTitleLlmConfig = {
 export interface BootHostOptions {
   /** Root directory for JSONL session persistence. */
   persistenceRoot: string
+  /** Workspace-instruction byte budget/config, or false to disable AGENTS.md/CLAUDE.md loading. */
+  workspaceContext: workspaceContext.Config | false
   /** Default provider route for created/resumed agents (defaults to 'deepseek', the only adapter bootHost registers). */
   provider?: string
   /** Default model id (defaults to 'deepseek-v4-flash', matching the demos). */
@@ -99,7 +102,7 @@ export interface HostHandle {
 /**
  * Compose the harness host plugin assembly (the one place deciding which plugins mount and
  * with what defaults — shells must not alter the assembly).
- * @param options - persistence root and optional default provider/model.
+ * @param options - persistence, workspace instructions, and optional default routing.
  * @returns the booted handle (ctx + defaults + dispose).
  */
 export async function bootHost(options: BootHostOptions): Promise<HostHandle> {
@@ -134,6 +137,9 @@ export async function bootHost(options: BootHostOptions): Promise<HostHandle> {
   await ctx.plugin(fsPolicy)
   await ctx.plugin(toolFs, {})
   await ctx.plugin(toolFsSearch, {})
+  if (options.workspaceContext !== false) {
+    await ctx.plugin(workspaceContext, options.workspaceContext)
+  }
   // Skill stack with the demo default dshHome (~/.dsh via resolveDshHome).
   await ctx.plugin(SkillService, {})
   await ctx.plugin(SkillLocal, {})