fix: 自定义标签融入原生标签栏，点击切换而非消失

- StyleSelector 新增 customTags 属性，自定义标签作为「自定义标签」行展示在原生标签栏中
- 自定义标签点击切换 true/false，不再移除 key，解决点击消失问题
- CustomTagsEditor 简化为仅输入框+添加按钮
- extractTags 仅提取激活态自定义标签（value=true）
- 导出 CUSTOM_PREFIX 供组件使用

frontend/src/api/prompt.ts

@@ -1,5 +1,5 @@
 import { post } from './client'
-import { STYLE_CATEGORIES, PROJECT_TYPES, PROJECT_TYPE_KEY, getCustomTags } from '../utils/style'
+import { STYLE_CATEGORIES, PROJECT_TYPES, PROJECT_TYPE_KEY, CUSTOM_PREFIX, getCustomTags } from '../utils/style'
 
 interface OptimizePromptParams {
   tags: string[]
@@ -34,8 +34,11 @@ export function extractTags(style: Record<string, string>): string[] {
     if (option) tags.push(option.label)
   }
 
-  // 自定义标签
+  // 自定义标签（仅包含激活的）
-  tags.push(...getCustomTags(style))
+  const customTags = getCustomTags(style).filter(
+    tag => style[`${CUSTOM_PREFIX}${tag}`] === 'true'
+  )
+  tags.push(...customTags)
   return tags
 }
 

frontend/src/components/CreateProjectModal.tsx

@@ -1,5 +1,5 @@
 import { useState } from 'react'
-import { PROJECT_TYPES, PROJECT_TYPE_KEY } from '../utils/style'
+import { PROJECT_TYPES, PROJECT_TYPE_KEY, getCustomTags } from '../utils/style'
 import StyleSelector from './StyleSelector'
 import CustomTagsEditor from './CustomTagsEditor'
 
@@ -100,6 +100,7 @@ export default function CreateProjectModal({
               label: '工程类型',
               options: PROJECT_TYPES.map(p => ({ value: p.value, label: p.label })),
             }]}
+            customTags={getCustomTags(style)}
           />
           <CustomTagsEditor style={style} onChange={setStyle} />
         </div>

frontend/src/components/CustomTagsEditor.tsx

@@ -1,5 +1,5 @@
 import { useState } from 'react'
-import { getCustomTags, addCustomTag, removeCustomTag } from '../utils/style'
+import { getCustomTags, addCustomTag } from '../utils/style'
 
 interface CustomTagsEditorProps {
   style: Record<string, string>
@@ -26,49 +26,14 @@ export default function CustomTagsEditor({ style, onChange }: CustomTagsEditorPr
   }
 
   return (
-    <div style={{ marginTop: 12 }}>
+    <div style={{ marginTop: 8 }}>
-      <div style={{ fontSize: 13, fontWeight: 600, marginBottom: 8, color: 'var(--text-secondary)' }}>
-        自定义标签
-      </div>
-      <div style={{ display: 'flex', flexWrap: 'wrap', gap: 6, marginBottom: 8 }}>
-        {tags.map(tag => (
-          <button
-            key={tag}
-            type="button"
-            onClick={() => onChange(removeCustomTag(style, tag))}
-            style={{
-              display: 'inline-flex',
-              alignItems: 'center',
-              gap: 4,
-              fontSize: 12,
-              padding: '3px 10px',
-              borderRadius: 999,
-              background: 'var(--bg-input)',
-              border: '1px solid var(--border)',
-              color: 'var(--text-primary)',
-              cursor: 'pointer',
-            }}
-          >
-            {tag}
-            <span
-              style={{
-                color: 'var(--text-muted)',
-                fontSize: 14,
-                lineHeight: 1,
-              }}
-            >
-              x
-            </span>
-          </button>
-        ))}
-      </div>
       <div style={{ display: 'flex', gap: 8 }}>
         <input
           type="text"
           value={input}
           onChange={e => setInput(e.target.value)}
           onKeyDown={handleKeyDown}
-          placeholder="输入标签后按 Enter 添加"
+          placeholder="输入自定义标签后按 Enter 添加"
           style={{ flex: 1, padding: '6px 10px', fontSize: 13 }}
         />
         <button

frontend/src/components/GenerateForm.tsx

@@ -1,7 +1,7 @@
 import type { AssetType } from '../api/types'
 import { useProjectStore } from '../stores/project'
 import { useTaskStore } from '../stores/task'
-import { mergeStyles } from '../utils/style'
+import { mergeStyles, getCustomTags } from '../utils/style'
 import StyleSelector from './StyleSelector'
 import CustomTagsEditor from './CustomTagsEditor'
 import PromptEditor from './PromptEditor'
@@ -122,7 +122,7 @@ export default function GenerateForm({ onSubmit, submitting }: GenerateFormProps
         <h3 style={{ marginBottom: 12, fontSize: 14, color: 'var(--text-secondary)' }}>
           素材风格
         </h3>
-        <StyleSelector value={taskStyle} onChange={toggleTaskStyle} compact />
+        <StyleSelector value={taskStyle} onChange={toggleTaskStyle} compact customTags={getCustomTags(taskStyle)} />
         <CustomTagsEditor style={taskStyle} onChange={setTaskStyle} />
       </div>
 

frontend/src/components/ProjectConfigPanel.tsx

@@ -2,7 +2,7 @@ import { useEffect } from 'react'
 import { useParams } from 'react-router-dom'
 import { useProjectStore } from '../stores/project'
 import { useToastStore } from '../stores/toast'
-import { PROJECT_TYPES, PROJECT_TYPE_KEY } from '../utils/style'
+import { PROJECT_TYPES, PROJECT_TYPE_KEY, getCustomTags } from '../utils/style'
 import StyleSelector from './StyleSelector'
 import CustomTagsEditor from './CustomTagsEditor'
 import Skeleton from './Skeleton'
@@ -82,6 +82,7 @@ export default function ProjectConfigPanel() {
             label: '工程类型',
             options: PROJECT_TYPES.map(p => ({ value: p.value, label: p.label })),
           }]}
+          customTags={getCustomTags(draftStyle)}
         />
         <CustomTagsEditor style={draftStyle} onChange={setDraftStyle} />
       </div>

frontend/src/components/PromptEditor.tsx

@@ -1,4 +1,4 @@
-import { STYLE_CATEGORIES, PROJECT_TYPES, PROJECT_TYPE_KEY, getCustomTags } from '../utils/style'
+import { STYLE_CATEGORIES, PROJECT_TYPES, PROJECT_TYPE_KEY, CUSTOM_PREFIX, getCustomTags } from '../utils/style'
 import styles from './GenerateForm.module.css'
 
 interface PromptEditorProps {
@@ -32,7 +32,9 @@ function styleToDescription(kvPairs: Record<string, string>): string {
     if (option) parts.push(`${cat.label}: ${option.label}`)
   }
 
-  const customTags = getCustomTags(kvPairs)
+  const customTags = getCustomTags(kvPairs).filter(
+    tag => kvPairs[`${CUSTOM_PREFIX}${tag}`] === 'true'
+  )
   if (customTags.length > 0) parts.push(`标签: ${customTags.join(', ')}`)
 
   return parts.join(', ')

frontend/src/components/StyleSelector.tsx

@@ -1,5 +1,5 @@
 import type { StyleCategory } from '../utils/style'
-import { STYLE_CATEGORIES } from '../utils/style'
+import { STYLE_CATEGORIES, CUSTOM_PREFIX } from '../utils/style'
 import styles from './StyleSelector.module.css'
 
 interface StyleSelectorProps {
@@ -7,6 +7,13 @@ interface StyleSelectorProps {
   onChange: (key: string, value: string) => void
   compact?: boolean
   categories?: StyleCategory[]
+  customTags?: string[]
+}
+
+const CUSTOM_TAG_CATEGORY: StyleCategory = {
+  key: '', // unused, pills use custom: prefix directly
+  label: '自定义标签',
+  options: [],
 }
 
 export default function StyleSelector({
@@ -14,6 +21,7 @@ export default function StyleSelector({
   onChange,
   compact,
   categories,
+  customTags,
 }: StyleSelectorProps) {
   const cats = categories ?? STYLE_CATEGORIES
   return (
@@ -37,6 +45,27 @@ export default function StyleSelector({
           </div>
         </div>
       ))}
+      {customTags && customTags.length > 0 && (
+        <div key="_custom" className={styles.category}>
+          <span className={styles.label}>{CUSTOM_TAG_CATEGORY.label}</span>
+          <div className={styles.options}>
+            {customTags.map(tag => {
+              const key = `${CUSTOM_PREFIX}${tag}`
+              const isActive = value[key] === 'true'
+              return (
+                <button
+                  key={tag}
+                  type="button"
+                  className={`${styles.pill} ${isActive ? styles.pillActive : ''}`}
+                  onClick={() => onChange(key, isActive ? 'false' : 'true')}
+                >
+                  {tag}
+                </button>
+              )
+            })}
+          </div>
+        </div>
+      )}
     </div>
   )
 }

frontend/src/utils/style.ts

@@ -8,7 +8,7 @@ export function mergeStyles(
   return { ...projectStyle, ...taskOverrides }
 }
 
-const CUSTOM_PREFIX = 'custom:'
+export const CUSTOM_PREFIX = 'custom:'
 
 export function isCustomKey(key: string): boolean {
   return key.startsWith(CUSTOM_PREFIX)