fix(web): guide clickable file references

packages/client/ui-deliverables/tests/produced-files.client.spec.tsx

@@ -27,7 +27,6 @@ import {
   type DeliverablesTurnData,
 } from '../src/client/turn-deliverables.ts'
 import { apply, inject } from '../src/client/index.ts'
-import { apply as applyNode } from '../src/index.ts'
 import { apply as applyInvariant } from '../src/invariant.ts'
 import { en, zh } from '../src/client/locales.ts'
 
@@ -438,9 +437,7 @@ describe('producedFileMentions resolver', () => {
 })
 
 describe('package shells', () => {
-  it('the node half mounts inert and the invariant companion registers ownership', async () => {
-    // The node half is deliberately inert; mounting it must simply not throw.
-    applyNode()
+  it('the invariant companion registers ownership', async () => {
     const registered: string[] = []
     const ctx = new Context()
     ctx.provide('invariants')

packages/client/ui-deliverables/tests/prompt.client.spec.ts

@@ -0,0 +1,30 @@
+/** Node-half coverage for the model guidance paired with Web file references. */
+
+import { Context } from '@deepseek-ai/cordis'
+import { afterEach, describe, expect, it } from 'vitest'
+import SystemPrompt from '@deepseek-ai/dsh-system-prompt'
+import { apply, inject } from '../src/index.ts'
+
+let ctx: Context | undefined
+
+afterEach(async () => {
+  await ctx?.fiber.dispose()
+  ctx = undefined
+})
+
+describe('ui-deliverables node plugin', () => {
+  it('registers final-response file-reference guidance only while mounted', async () => {
+    ctx = new Context()
+    await ctx.plugin(SystemPrompt, { persona: '' })
+    const mounted = ctx.plugin({ apply, inject })
+    await mounted.await()
+
+    const section = (await ctx.systemPrompt.assemble()).sections
+      .find(entry => entry.name === 'ui:deliverable-file-references')
+    expect(section?.text).toMatchInlineSnapshot('"When you successfully create or modify files, mention the primary outputs in your final response. To make those and any other changed-file references clickable in Web, format them as Markdown inline code using the exact file-tool path, or a basename when unique among the files changed in that turn."')
+
+    await mounted.dispose()
+    expect((await ctx.systemPrompt.assemble()).sections
+      .some(entry => entry.name === 'ui:deliverable-file-references')).toBe(false)
+  })
+})