From c0f42ea0c0764c771f4aaf46580fcecacafeee93 Mon Sep 17 00:00:00 2001
From: Codex Night Worker <codex-night@localhost>
Date: Fri, 13 Nov 2026 12:50:57 +0900
Subject: [PATCH] AI: address issue #170

---
 frontend/src/components/PostEditForm.tsx |  76 +++++++++++++++-
 frontend/src/components/PostList.tsx     | 108 +++++++++++++----------
 frontend/src/locales/ain-Kana/posts.json |   2 +
 frontend/src/locales/ja/posts.json       |   1 +
 4 files changed, 138 insertions(+), 49 deletions(-)

diff --git a/frontend/src/components/PostEditForm.tsx b/frontend/src/components/PostEditForm.tsx
index 99039d9..f3c741a 100644
--- a/frontend/src/components/PostEditForm.tsx
+++ b/frontend/src/components/PostEditForm.tsx
@@ -1,6 +1,8 @@
+import { useQuery } from '@tanstack/react-query'
 import { useEffect, useMemo, useState } from 'react'
 
 import { useLocale } from '@/lib/useLocale'
+import PostList from '@/components/PostList'
 import PostOriginalCreatedTimeField from '@/components/PostOriginalCreatedTimeField'
 import FieldError from '@/components/common/FieldError'
 import PostDurationField from '@/components/posts/PostDurationField'
@@ -10,14 +12,15 @@ import { Button } from '@/components/ui/button'
 import { toast } from '@/components/ui/use-toast'
 import { isApiError } from '@/lib/api'
 import useDialogue from '@/lib/dialogues/useDialogue'
-import { updatePost } from '@/lib/posts'
+import { fetchPosts, updatePost } from '@/lib/posts'
+import { postsKeys } from '@/lib/queryKeys'
 import { msToTime } from '@/lib/utils'
 import { useValidationErrors } from '@/lib/useValidationErrors'
 import { useUITranslation } from '@/lib/useUITranslation'
 
 import type { FC, FormEvent } from 'react'
 
-import type { Post, TagWithSections } from '@/types'
+import type { FetchPostsParams, Post, TagWithSections } from '@/types'
 
 type PostFormField =
     'parentPostIds' | 'tags' | 'videoMs'
@@ -68,6 +71,33 @@ const PostEditForm: FC<Props> = ({ post, onSave }) => {
   const [tags, setTags] = useState<string> (() => tagsToStr (post.tags))
   const [title, setTitle] = useState (post.title)
 
+  const [importVisible, setImportVisible] = useState (false)
+  const [sourceTitle, setSourceTitle] = useState ('')
+  const [sourcePage, setSourcePage] = useState (1)
+  const sourceParams: FetchPostsParams = {
+      title: sourceTitle, page: sourcePage, limit: 20,
+      url: '', tags: '', match: 'all', order: 'original_created_at:desc',
+      originalCreatedFrom: '', originalCreatedTo: '',
+      createdFrom: '', createdTo: '', updatedFrom: '', updatedTo: '' }
+  const { data: sources, isError: sourceError } = useQuery ({
+      queryKey: postsKeys.index (sourceParams, locale),
+      queryFn: () => fetchPosts (sourceParams, locale),
+      enabled: importVisible && !disabled })
+
+  const importTags = (source: Post) => {
+    if (disabled)
+      return
+    setTags (current => {
+      const existing = new Set (current.split (/\s+/))
+      const additions = tagsToStr (source.tags).split (/\s+/)
+	  .filter (tag => tag !== '' && !existing.has (tag))
+      return additions.length > 0
+	  ? `${current}${current.trim () === '' ? '' : ' '}${additions.join (' ')}`
+	  : current
+    })
+    setImportVisible (false)
+  }
+
   const videoFlg =
       useMemo (() => tags.split (/\s+/).some (tag => tag.replace (/\[.*\]$/, '') === '動画'),
 	       [tags])
@@ -192,6 +222,48 @@ const PostEditForm: FC<Props> = ({ post, onSave }) => {
 	    setTags={setTags}
 	    errors={fieldErrors.tags}/>
 
+	<Button
+	    type="button"
+	    variant="outline"
+	    disabled={disabled}
+	    aria-expanded={importVisible}
+	    onClick={() => setImportVisible (visible => !visible)}>
+	  {label ('edit.import')}
+	</Button>
+	{importVisible && (
+	    <div className="space-y-2" onKeyDown={event => {
+	      if (event.key === 'Enter' && event.target instanceof HTMLInputElement)
+		event.preventDefault ()
+	    }}>
+	      <PostTextField
+		  label={label ('shared:labels.title')}
+		  type="search"
+		  value={sourceTitle}
+		  disabled={disabled}
+		  onChange={value => {
+		    setSourceTitle (value)
+		    setSourcePage (1)
+		  }}/>
+	      <FieldError messages={sourceError ? [label ('common:fetchError')] : []}/>
+	      {!disabled && <PostList posts={sources?.posts ?? []} onSelect={importTags}/>}
+	      <div className="flex flex-col gap-2 md:flex-row">
+		<Button
+		    type="button"
+		    variant="outline"
+		    disabled={disabled || sourcePage <= 1}
+		    onClick={() => setSourcePage (page => page - 1)}>
+		  {label ('common:pagination.previous')}
+		</Button>
+		<Button
+		    type="button"
+		    variant="outline"
+		    disabled={disabled || sourcePage * 20 >= (sources?.count ?? 0)}
+		    onClick={() => setSourcePage (page => page + 1)}>
+		  {label ('common:pagination.next')}
+		</Button>
+	      </div>
+	    </div>)}
+
 	{/* オリジナルの作成日時 */}
 	<PostOriginalCreatedTimeField
 	    disabled={disabled}
diff --git a/frontend/src/components/PostList.tsx b/frontend/src/components/PostList.tsx
index 6e25110..4a61e7f 100644
--- a/frontend/src/components/PostList.tsx
+++ b/frontend/src/components/PostList.tsx
@@ -3,6 +3,7 @@ import { useRef } from 'react'
 import { useLocation } from 'react-router-dom'
 
 import PrefetchLink from '@/components/PrefetchLink'
+import { Button } from '@/components/ui/button'
 import { useUITranslation } from '@/lib/useUITranslation'
 import { useClientBehaviourSettings } from '@/lib/useClientBehaviourSettings'
 import { cn } from '@/lib/utils'
@@ -13,10 +14,11 @@ import type { FC, MouseEvent } from 'react'
 import type { Post } from '@/types'
 
 type Props = { posts:     Post[]
+	       onSelect?: (post: Post) => void
 	       onClick?:  (event: MouseEvent<HTMLElement>) => void }
 
 
-const PostList: FC<Props> = ({ posts, onClick }) => {
+const PostList: FC<Props> = ({ posts, onClick, onSelect }) => {
   const { label } = useUITranslation ('shared')
   const location = useLocation ()
   const behaviourSettings = useClientBehaviourSettings ()
@@ -39,7 +41,63 @@ const PostList: FC<Props> = ({ posts, onClick }) => {
 	  const sharedId = `page-${ post.id }`
 	  const layoutId = sharedId
 
-	  return (
+	  const card = (
+	      <motion.div
+		  ref={cardRef}
+		  layout={animationMode === 'off' ? false : true}
+		  layoutId={(onSelect || animationMode === 'off') ? undefined : layoutId}
+		  className={cn ('w-full h-full overflow-hidden rounded-xl shadow',
+				 'transform-gpu will-change-transform',
+				 (post.childPosts ?? []).length > 0 && 'ring-4 ring-green-500',
+				 (post.parentPosts ?? []).length > 0 && 'ring-4 ring-yellow-500')}
+		  whileHover={{ scale: 1.02 }}
+		  onLayoutAnimationStart={() => {
+		    if (!(cardRef.current))
+		      return
+
+		    cardRef.current.style.position = 'relative'
+		    cardRef.current.style.zIndex = '9999'
+		  }}
+		  onLayoutAnimationComplete={() => {
+		    if (!(cardRef.current))
+		      return
+
+		    cardRef.current.style.zIndex = ''
+		    cardRef.current.style.position = ''
+		  }}
+		  transition={{ layout: cardLayoutTransition }}>
+		{thumbnailMode === 'off'
+		 ? (
+		    <div className="flex h-full w-full items-center justify-center
+				    bg-muted text-center text-xs text-muted-foreground">
+		      {label ('labels.noThumbnail')}
+		    </div>)
+		 : (
+		    <img
+			src={post.thumbnail || post.thumbnailBase || undefined}
+			alt={post.title || post.url}
+			title={post.title || post.url || undefined}
+			loading={
+			    thumbnailMode === 'light'
+			    ? 'lazy'
+			    : (i < 12 ? 'eager' : 'lazy')
+			}
+			decoding="async"
+			className="object-cover w-full h-full"/>)}
+	      </motion.div>)
+
+	  return onSelect
+	  ? (
+	      <Button
+		  key={post.id}
+		  type="button"
+		  variant="ghost"
+		  className="w-40 h-40 p-0"
+		  aria-label={post.title || post.url}
+		  onClick={() => onSelect (post)}>
+		{card}
+	      </Button>)
+	  : (
 	      <PrefetchLink
 		  to={`/posts/${ post.id }`}
 		  key={post.id}
@@ -49,51 +107,7 @@ const PostList: FC<Props> = ({ posts, onClick }) => {
 		    setForLocationKey (location.key, sharedId)
 		    onClick?.(e)
 		  }}>
-		<motion.div
-		    ref={cardRef}
-		    layout={animationMode === 'off' ? false : true}
-		    layoutId={animationMode === 'off' ? undefined : layoutId}
-		    className={cn ('w-full h-full overflow-hidden rounded-xl shadow',
-				   'transform-gpu will-change-transform',
-				   (post.childPosts ?? []).length > 0 && 'ring-4 ring-green-500',
-				   (post.parentPosts ?? []).length > 0 && 'ring-4 ring-yellow-500')}
-		    whileHover={{ scale: 1.02 }}
-		    onLayoutAnimationStart={() => {
-		      if (!(cardRef.current))
-			return
-
-		      cardRef.current.style.position = 'relative'
-		      cardRef.current.style.zIndex = '9999'
-		    }}
-		    onLayoutAnimationComplete={() => {
-		      if (!(cardRef.current))
-			return
-
-		      cardRef.current.style.zIndex = ''
-		      cardRef.current.style.position = ''
-		    }}
-		    transition={{ layout: cardLayoutTransition }}>
-		  {thumbnailMode === 'off'
-		   ? (
-		      <div className="flex h-full w-full items-center justify-center
-				      bg-muted text-center text-xs text-muted-foreground">
-			{label ('labels.noThumbnail')}
-		      </div>)
-		   : (
-		      <img
-			  src={post.thumbnail || post.thumbnailBase || undefined}
-			  alt={post.title || post.url}
-			  title={post.title || post.url || undefined}
-			  loading={
-			      thumbnailMode === 'light'
-			      ? 'lazy'
-			      : i < 12
-				? 'eager'
-				: 'lazy'
-			  }
-			  decoding="async"
-			  className="object-cover w-full h-full"/>)}
-		</motion.div>
+		{card}
 	      </PrefetchLink>)
 	})}
       </div>)
diff --git a/frontend/src/locales/ain-Kana/posts.json b/frontend/src/locales/ain-Kana/posts.json
index 0310a6b..436056b 100644
--- a/frontend/src/locales/ain-Kana/posts.json
+++ b/frontend/src/locales/ain-Kana/posts.json
@@ -1,4 +1,5 @@
 {
+  "_untranslated": ["edit.import"],
   "list": {
     "tagline": "{{brand}}",
     "empty": "ミンタㇻ　タ　ネン　カ　イサㇺ",
@@ -31,6 +32,7 @@
     "showExternal": "ソイタㇰ　ソㇱ　アヌカレ"
   },
   "edit": {
+    "import": "インポート",
     "validationFailed": "アシㇼ　カㇻ　カ　エアイカㇷ゚……",
     "conflictTitle": "モㇱマ　クㇽ　アシㇼ　カㇻ　ワ　アン！",
     "conflictDescription": "モㇱマ　イカㇻ　クㇽ　エエトコ　アシㇼ　カㇻ　ワ　アン。",
diff --git a/frontend/src/locales/ja/posts.json b/frontend/src/locales/ja/posts.json
index b6c1308..74649d0 100644
--- a/frontend/src/locales/ja/posts.json
+++ b/frontend/src/locales/ja/posts.json
@@ -22,6 +22,7 @@
     "question": "表示しますか?", "showExternal": "外部ページを表示"
   },
   "edit": {
+    "import": "インポート",
     "validationFailed": "更新はできなかったよ……",
     "conflictTitle": "競合が発生しました．",
     "conflictDescription": "ほかの耕作員が先に更新してゐます．",