bugfix

web/src/views/projects/components/RequirementChatPanel.vue

@@ -109,7 +109,6 @@ import { chatApi, type ChatMessage, type Conversation } from '@/api/chat'
 import type { Artifact, ArtifactPhase, Requirement } from '@/api/projects'
 import { formatDateTime } from '@/utils/date'
 import { useConversationSession } from '@/composables/useConversationSession'
-import { buildRequirementSystemPrompt } from '@/constants/requirementPhasePrompts'
 import {
   formatInteractiveQuestionAnswer,
   type InteractiveQuestionAnswer,
@@ -167,11 +166,9 @@ async function loadConversations() {
 }
 
 function openCreateForm() {
-  newSystemPrompt.value = buildRequirementSystemPrompt(
-    props.phase,
-    props.requirement,
-    props.prevArtifact,
-  )
+  // system prompt 的角色模板 + 需求/产物上下文已由服务端组装（internal/brief 经
+  // composeHistory 注入 FK 上下文）。前端默认留空，仅在操作者想补充额外指令时手填。
+  newSystemPrompt.value = ''
   newFirstMessage.value = DEFAULT_FIRST_MESSAGE
   showCreateForm.value = true
 }