From 1aae80d73018042ba68b89f0c88aef39c955dc19 Mon Sep 17 00:00:00 2001
From: GouJ <hefangjay@qq.com>
Date: Tue, 1 Sep 2026 14:47:37 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E8=BF=87=E6=9C=9F=E9=A6=96=E5=B8=A7?=
 =?UTF-8?q?=E9=87=8D=E7=94=9F=E6=88=90=E9=BB=98=E8=AE=A4=E6=9B=BF=E6=8D=A2?=
 =?UTF-8?q?=E4=B8=BB=E5=9B=BE?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../production/components/KeyframeDialog.vue  | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/src/features/production/components/KeyframeDialog.vue b/src/features/production/components/KeyframeDialog.vue
index 04512af..61f98f0 100644
--- a/src/features/production/components/KeyframeDialog.vue
+++ b/src/features/production/components/KeyframeDialog.vue
@@ -4,8 +4,14 @@ import { AppDialog } from '../../../components/ui'
 import { validOptionalSize } from '../model'
 import type { GenerateKeyframeInput, ShotKeyframe } from '../types'
 
-/** 单镜头首帧表单；是否替换主首帧必须由用户明确选择。 */
-const props = defineProps<{ shotId: string; shotTitle: string; keyframes: ShotKeyframe[]; disabled: boolean }>()
+/** 单镜头首帧表单；普通候选仍由用户明确选择，过期主首帧默认替换为新图。 */
+const props = defineProps<{
+    shotId: string
+    shotTitle: string
+    keyframes: ShotKeyframe[]
+    disabled: boolean
+    replacePrimary?: boolean
+}>()
 const open = defineModel<boolean>('open', { default: false })
 const emit = defineEmits<{ generate: [input: GenerateKeyframeInput] }>()
 const width = ref<number | ''>('')
@@ -16,11 +22,11 @@ const hasPrimary = computed(() => props.keyframes.some(item => item.isPrimary &&
 const sizeValid = computed(() => validOptionalSize(width.value, height.value))
 const canSubmit = computed(() => !props.disabled && sizeValid.value && confirmed.value)
 
-/** 切换镜头或重新打开时清空费用确认，避免沿用上个镜头的覆盖选择。 */
+/** 切换镜头或重新打开时清空费用确认；过期首帧默认让新结果成为 Primary。 */
 function reset() {
     width.value = ''
     height.value = ''
-    setPrimary.value = !hasPrimary.value
+    setPrimary.value = !!props.replacePrimary || !hasPrimary.value
     confirmed.value = false
 }
 watch([() => props.shotId, open], reset, { immediate: true })
@@ -41,9 +47,12 @@ function submit() {
 <template>
     <AppDialog
         v-model:open="open"
-        :title="`生成首帧 · ${shotTitle}`"
+        :title="`${replacePrimary ? '重新生成主首帧' : '生成首帧'} · ${shotTitle}`"
         description="依据视觉风格、GenerationSpec 和主体主参考图编译首帧提示词，并调用 Seedream。"
     >
+        <p v-if="replacePrimary" class="alert mt-5 text-xs">
+            当前主首帧使用的主体参考资产已经变化。新图成功后应设为主首帧，旧图会继续保留为历史候选。
+        </p>
         <div class="mt-5 grid grid-cols-2 gap-4">
             <label
                 ><span class="field-label">宽度（可选）</span