#399

backend/app/services/post_create_plan.rb

@@ -87,7 +87,7 @@ class PostCreatePlan
     end
     raise Tag::SectionLiteralParseError.new(raw_name, raw_name) if name.include?('[') || name.include?(']')
 
-    [TagName.canonicalise(name).first, category&.to_sym, sections]
+    [resolved_tag_name(name), category&.to_sym, sections]
   end
 
   def build_default_tag_specs direct_tag_specs
@@ -254,4 +254,11 @@ class PostCreatePlan
       end
     end
   end
+
+  def resolved_tag_name name
+    tag_name = TagName.includes(:canonical).find_by(name:)
+    return name if tag_name.nil?
+
+    (tag_name.canonical || tag_name).name
+  end
 end

backend/app/services/post_import_previewer.rb

@@ -3,14 +3,14 @@ require 'timeout'
 
 class PostImportPreviewer
   FIELDS = [
-    'title',
-    'thumbnail_base',
-    'original_created_from',
-    'original_created_before',
-    'video_ms',
-    'duration',
-    'tags',
-    'parent_post_ids'].freeze
+      'title',
+      'thumbnail_base',
+      'original_created_from',
+      'original_created_before',
+      'video_ms',
+      'duration',
+      'tags',
+      'parent_post_ids'].freeze
   FETCH_WARNING_FIELDS = ['url', 'title', 'thumbnail_base'].freeze
   TITLE_FETCH_WARNING = 'タイトルを取得できませんでした．'.freeze
   THUMBNAIL_FETCH_WARNING = 'サムネールを取得できませんでした．'.freeze
@@ -126,7 +126,6 @@ class PostImportPreviewer
     validate_basic_data(attributes, validation_errors)
     validate_preview_tags(merged_tags(tag_sources, provenance['tags']),
                           validation_errors,
-                          field_warnings,
                           known_tags)
     validate_parents(attributes['parent_post_ids'], validation_errors, existing_parent_ids)
     attributes.delete('url')
@@ -450,7 +449,7 @@ class PostImportPreviewer
     []
   end
 
-  def validate_preview_tags raw, errors, field_warnings, known_tags
+  def validate_preview_tags raw, errors, known_tags
     names = raw.to_s.split
     return if names.empty?
     if names.any? { _1.downcase.start_with?('nico:') }
@@ -462,11 +461,6 @@ class PostImportPreviewer
     existing = parsed.filter_map { known_tags[_1] }
     deprecated = existing.select(&:deprecated?).map(&:name)
     errors[:tags] = ["廃止済みタグがあります: #{ deprecated.join(' ') }"] if deprecated.present?
-    known = existing.reject(&:deprecated?).map(&:name)
-    new_tags = parsed.uniq - known
-    if new_tags.present?
-      add_field_warning!(field_warnings, 'tags', "新規タグを作成します: #{ new_tags.join(' ') }")
-    end
   rescue Tag::SectionLiteralParseError
     errors[:tags] = ['タグ区間の記法が不正です．']
   end

frontend/src/components/posts/import/PostImportRowSummary.tsx

@@ -16,10 +16,10 @@ import type { FC } from 'react'
 import type { PostImportRow } from '@/lib/postImportTypes'
 
 type Props = {
-    row:              PostImportRow
+    row:	      PostImportRow
     displayNumber?:   number
-    onEdit?:          () => void
-    onRetry?:         () => void
+    onEdit?:	      () => void
+    onRetry?:	      () => void
     onToggleSkip?:    (checked: boolean) => void
     rowMessages?:     string[]
     editDisabled?:    boolean
@@ -75,123 +75,123 @@ const PostImportRowSummary: FC<Props> = (
 
   return (
       <>
-        <div
-            className={cn (
-                'hidden items-center gap-4 rounded-lg border p-4 md:grid',
-                'md:grid-cols-[4rem_5rem_minmax(0,1fr)_auto_auto]',
-                'transition-shadow hover:shadow-sm')}>
-          <div className="space-y-1">
-            <div className="text-sm font-medium">#{rowNumber}</div>
-          </div>
-          <PostImportThumbnailPreview
-              url={String (row.attributes.thumbnailBase ?? '')}
-              file={row.thumbnailFile}
-              className="h-16 w-16"/>
-          <div className="min-w-0 space-y-1">
-            <div className="line-clamp-2 text-sm font-medium">
-              {String (row.attributes.title ?? '')}
-            </div>
-            <div className="truncate text-xs text-neutral-600 dark:text-neutral-300">
-              {row.url}
-            </div>
-            <PostImportTagLinks tags={row.displayTags}/>
-            <div className="text-xs text-neutral-500 dark:text-neutral-400">
-              {summaryDate (row)}
-            </div>
-            {showDuration && (
-                <div className="text-xs text-neutral-500 dark:text-neutral-400">
-                  動画時間 {duration}
-                </div>)}
-            {warning && (
-                <div className="text-xs text-amber-700 dark:text-amber-200">
-                  {warning}
-                </div>)}
-            <FieldError messages={rowMessages}/>
-          </div>
-          <div className="space-y-1">
-            {displayStatus != null && <PostImportStatusBadge value={displayStatus}/>}
-          </div>
-          <div className="flex justify-end">
-            <div className="flex items-center gap-2">
-              {skipControl}
-              {showActions && editVisible && (
-                  <Button
-                      type="button"
-                      variant="outline"
-                      onClick={onEdit}
-                      disabled={editDisabled === true || !(editAllowed)}>
-                    編輯
-                  </Button>)}
-              {showActions && retryAllowed && (
-                  <Button
-                      type="button"
-                      variant="outline"
-                      onClick={onRetry}
-                      disabled={retryDisabled === true}>
-                    再試行
-                  </Button>)}
-            </div>
-          </div>
-        </div>
+	<div
+	    className={cn (
+		'hidden items-center gap-4 rounded-lg border p-4 md:grid',
+		'md:grid-cols-[4rem_5rem_minmax(0,1fr)_auto_auto]',
+		'transition-shadow hover:shadow-sm')}>
+	  <div className="space-y-1">
+	    <div className="text-sm font-medium">#{rowNumber}</div>
+	  </div>
+	  <PostImportThumbnailPreview
+	      url={String (row.attributes.thumbnailBase ?? '')}
+	      file={row.thumbnailFile}
+	      className="h-16 w-16"/>
+	  <div className="min-w-0 space-y-1">
+	    <div className="line-clamp-2 text-sm font-medium">
+	      {String (row.attributes.title ?? '')}
+	    </div>
+	    <div className="truncate text-xs text-neutral-600 dark:text-neutral-300">
+	      {row.url}
+	    </div>
+	    <PostImportTagLinks tags={row.displayTags}/>
+	    <div className="text-xs text-neutral-500 dark:text-neutral-400">
+	      {summaryDate (row)}
+	    </div>
+	    {showDuration && (
+		<div className="text-xs text-neutral-500 dark:text-neutral-400">
+		  動画時間 {duration}
+		</div>)}
+	    {warning && (
+		<div className="text-xs text-amber-700 dark:text-amber-200">
+		  {warning}
+		</div>)}
+	    <FieldError messages={rowMessages}/>
+	  </div>
+	  <div className="space-y-1">
+	    {displayStatus != null && <PostImportStatusBadge value={displayStatus}/>}
+	  </div>
+	  <div className="flex justify-end">
+	    <div className="flex items-center gap-2">
+	      {skipControl}
+	      {showActions && editVisible && (
+		  <Button
+		      type="button"
+		      variant="outline"
+		      onClick={onEdit}
+		      disabled={editDisabled === true || !(editAllowed)}>
+		    編輯
+		  </Button>)}
+	      {showActions && retryAllowed && (
+		  <Button
+		      type="button"
+		      variant="outline"
+		      onClick={onRetry}
+		      disabled={retryDisabled === true}>
+		    再試行
+		  </Button>)}
+	    </div>
+	  </div>
+	</div>
 
-        <div
-            className={cn (
-                'space-y-3 rounded-lg border p-4 md:hidden',
-                'transition-shadow hover:shadow-sm')}>
-          <div className="text-sm font-medium">#{rowNumber}</div>
-          <div className="flex items-start gap-3">
-            <PostImportThumbnailPreview
-                url={String (row.attributes.thumbnailBase ?? '')}
-                file={row.thumbnailFile}
-                className="h-20 w-20 shrink-0"/>
-            <div className="min-w-0 flex-1 space-y-2">
-              <div className="line-clamp-2 text-sm font-medium">
-                {String (row.attributes.title ?? '')}
-              </div>
-              <div className="truncate text-xs text-neutral-600 dark:text-neutral-300">
-                {row.url}
-              </div>
-              <div className="flex flex-wrap gap-2">
-                {displayStatus != null && <PostImportStatusBadge value={displayStatus}/>}
-              </div>
-              <PostImportTagLinks tags={row.displayTags}/>
-              <div className="text-xs text-neutral-500 dark:text-neutral-400">
-                {summaryDate (row)}
-              </div>
-              {showDuration && (
-                  <div className="text-xs text-neutral-500 dark:text-neutral-400">
-                    動画時間 {duration}
-                  </div>)}
-              {warning && (
-                  <div className="text-xs text-amber-700 dark:text-amber-200">
-                    {warning}
-                  </div>)}
-              <FieldError messages={rowMessages}/>
-              {skipControl}
-            </div>
-          </div>
-          {showActions && (editVisible || retryAllowed) && (
-              <div className="flex flex-col gap-2 md:flex-row">
-                {editVisible && (
-                    <Button
-                        type="button"
-                        className="w-full md:w-auto"
-                        variant="outline"
-                        onClick={onEdit}
-                        disabled={editDisabled === true || !(editAllowed)}>
-                      編輯
-                    </Button>)}
-                {retryAllowed && (
-                    <Button
-                        type="button"
-                        className="w-full md:w-auto"
-                        variant="outline"
-                        onClick={onRetry}
-                        disabled={retryDisabled === true}>
-                      再試行
-                    </Button>)}
-              </div>)}
-        </div>
+	<div
+	    className={cn (
+		'space-y-3 rounded-lg border p-4 md:hidden',
+		'transition-shadow hover:shadow-sm')}>
+	  <div className="text-sm font-medium">#{rowNumber}</div>
+	  <div className="flex items-start gap-3">
+	    <PostImportThumbnailPreview
+		url={String (row.attributes.thumbnailBase ?? '')}
+		file={row.thumbnailFile}
+		className="h-20 w-20 shrink-0"/>
+	    <div className="min-w-0 flex-1 space-y-2">
+	      <div className="line-clamp-2 text-sm font-medium">
+		{String (row.attributes.title ?? '')}
+	      </div>
+	      <div className="truncate text-xs text-neutral-600 dark:text-neutral-300">
+		{row.url}
+	      </div>
+	      <div className="flex flex-wrap gap-2">
+		{displayStatus != null && <PostImportStatusBadge value={displayStatus}/>}
+	      </div>
+	      <PostImportTagLinks tags={row.displayTags}/>
+	      <div className="text-xs text-neutral-500 dark:text-neutral-400">
+		{summaryDate (row)}
+	      </div>
+	      {showDuration && (
+		  <div className="text-xs text-neutral-500 dark:text-neutral-400">
+		    動画時間 {duration}
+		  </div>)}
+	      {warning && (
+		  <div className="text-xs text-amber-700 dark:text-amber-200">
+		    {warning}
+		  </div>)}
+	      <FieldError messages={rowMessages}/>
+	      {skipControl}
+	    </div>
+	  </div>
+	  {showActions && (editVisible || retryAllowed) && (
+	      <div className="flex flex-col gap-2 md:flex-row">
+		{editVisible && (
+		    <Button
+			type="button"
+			className="w-full md:w-auto"
+			variant="outline"
+			onClick={onEdit}
+			disabled={editDisabled === true || !(editAllowed)}>
+		      編輯
+		    </Button>)}
+		{retryAllowed && (
+		    <Button
+			type="button"
+			className="w-full md:w-auto"
+			variant="outline"
+			onClick={onRetry}
+			disabled={retryDisabled === true}>
+		      再試行
+		    </Button>)}
+	      </div>)}
+	</div>
       </>)
 }
 

frontend/src/components/posts/import/PostImportTagLinks.tsx

@@ -12,7 +12,7 @@ const PostImportTagLinks: FC<Props> = ({ tags }) => {
     return null
 
   return (
-      <div className="flex flex-wrap gap-2">
+      <div className="flex flex-wrap text-xs gap-x-1">
 	{tags.map (tag => {
 	  const key = `${ tag.category }:${ tag.name }:${ tag.sectionLiterals?.join ('|') ?? '' }`
 	  return (
@@ -21,6 +21,7 @@ const PostImportTagLinks: FC<Props> = ({ tags }) => {
 		    tag={{
 			name: tag.name,
 			category: tag.category }}
+		    linkFlg={false}
 		    withWiki={false}
 		    withCount={false}/>
 		{tag.sectionLiterals?.map (literal => (

frontend/src/lib/postNewQueryState.ts

@@ -1,5 +1,5 @@
 const POST_NEW_REVIEW_PATH_PREFIX = '/posts/new?urls='
-const MAX_POST_NEW_REVIEW_TARGET_BYTES = 4096
+const MAX_POST_NEW_REVIEW_TARGET_BYTES = 6_144
 
 const textEncoder = new TextEncoder ()
 

frontend/src/lib/useUnsavedChangesGuard.tsx

@@ -96,7 +96,7 @@ export const UnsavedChangesGuardProvider: FC<PropsWithChildren> = ({ children })
     try
     {
       const confirmed = await dialogue.confirm ({
-          title: '変更が破棄してページ移動しますか?',
+          title: '変更を破棄してページ移動しますか?',
           confirmText: '変更を破棄して移動',
           variant: 'danger' })
       if (!(confirmed))