refactor: apply repository naming contract

Apply the accepted pre-release package, service, type, directory, and role renames as one repository-wide change.

packages/host/apiproxy/tests/api-proxy-question.spec.ts

@@ -2,7 +2,7 @@ import { describe, expect, it } from 'vitest'
 import { Context } from '@deepseek-ai/cordis'
 import AgentRegistry, { type Agent } from '@deepseek-ai/dsh-agent'
 import SessionStore from '@deepseek-ai/dsh-session'
-import UserInteractionService from '@deepseek-ai/dsh-user-interaction'
+import UserQuestionService from '@deepseek-ai/dsh-user-questions'
 import type { ApiProxy, MuxFrame, RpcRequest } from '@deepseek-ai/dsh-host-apiproxy/api'
 import { RpcId } from '@deepseek-ai/dsh-host-apiproxy/api/rpc'
 import { createApiProxy } from '../src/api-proxy.ts'
@@ -11,7 +11,7 @@ async function harness(): Promise<{ ctx: Context; api: ApiProxy }> {
   const ctx = new Context()
   await ctx.plugin(SessionStore)
   await ctx.plugin(AgentRegistry)
-  await ctx.plugin(UserInteractionService)
+  await ctx.plugin(UserQuestionService)
   return {
     ctx,
     api: createApiProxy(ctx, { defaultModelSelection: () => ({ provider: 'p', model: 'm' }), cwd: '/tmp' }),
@@ -74,7 +74,7 @@ describe('question response validation', () => {
     const { ctx, api } = await harness()
     const abort = new AbortController()
     const mux = openMux(api, abort)
-    const asked = ctx.userInteraction.ask({
+    const asked = ctx.userQuestions.ask({
       agent: agent(ctx),
       questions: [{
         id: 'targets',
@@ -98,7 +98,7 @@ describe('question response validation', () => {
     const { ctx, api } = await harness()
     const abort = new AbortController()
     const mux = openMux(api, abort)
-    const asked = ctx.userInteraction.ask({
+    const asked = ctx.userQuestions.ask({
       agent: agent(ctx),
       questions: [{
         id: 'target',