#434

backend/app/controllers/counts_exports_controller.rb

@@ -99,6 +99,11 @@ class CountsExportsController < ApplicationController
             first = false
           end
         end
+      rescue IOError, SystemCallError => error
+        Rails.logger.warn("counts_download_stream_failure: #{ error.class }")
+        HistoryAccess.set(user: authority) do
+          CountsExportJobs.download_attempt(job, owner, **arguments, status: 'failed')
+        end
       ensure
         stream.close
       end

backend/app/controllers/counts_tables_controller.rb

@@ -18,6 +18,10 @@ class CountsTablesController < ApplicationController
   def index
     resolve_locale!
     render json: CountsTableQuery.new(request.query_parameters).call
+  rescue CountsAxes::TooManyAxes
+    render json: { error: 'too_many_axes', max_axes: CountsAxes::MAX_AXES }, status: :bad_request
+  rescue CountsAxes::PrivateCondition
+    render json: { error: 'private_condition' }, status: :forbidden
   rescue CountsTableQuery::TooManyColumns
     render json: { error: 'too_many_columns', max_columns: CountsTableQuery::MAX_COLUMNS },
            status: :unprocessable_entity

backend/app/services/counts_axes.rb

@@ -68,6 +68,14 @@ class CountsAxes
     end
   end
 
+  def count_expression
+    return 'COUNT(DISTINCT v.id)' unless rows.any? { _1['field'] == 'tags' }
+
+    # Keep tag occurrences even when several private tags share one masked label.
+    "COUNT(DISTINCT v.id, COALESCE(CONCAT('internal:', tag_entry.tag_id), " +
+        "CONCAT('external:', tag_entry.external_tag_id)))"
+  end
+
   def joins(fields = all.map { _1['field'] })
     result = ''
     if fields.include?('tags')
@@ -85,9 +93,6 @@ class CountsAxes
       condition = @definition.changes.map do |field|
         "(changed.field_key = '#{ field }' AND #{ @population.changed_sql(field) })"
       end.join(' OR ')
-      unless HistoryAccess.admin?
-        condition = "(#{ condition }) OR NOT (#{ HistoryAccess.sql(@definition.model, 'v') })"
-      end
       result += " JOIN (#{ fields }) changed ON (#{ condition })"
     end
     result

backend/app/services/counts_export_jobs.rb

@@ -198,7 +198,7 @@ class CountsExportJobs
           state['expires_at'] > Time.current.to_f && HistoryAccess.authorised_artifact?(state))
       if attempt
         return unless state['download_attempt'] == attempt && state['token'] == file_token
-        return unless state['download_status'] == 'pending'
+        return unless ['pending', 'started'].include?(state['download_status'])
 
         state['download_status'] = status if status
       else

backend/app/services/counts_pivot_totals.rb

@@ -49,7 +49,7 @@ class CountsPivotTotals
           leaf = retained.map { @axes.expressions[_1] }
           selected = leaf.each_with_index.map { |expression, index| "#{ expression } AS k#{ index }" }
           inner = scope.group(*leaf.map { Arel.sql(_1) })
-              .select(Arel.sql((selected + ['COUNT(DISTINCT v.id) AS count']).join(', '))).to_sql
+              .select(Arel.sql((selected + ["#{ @axes.count_expression } AS count"]).join(', '))).to_sql
           coordinates = indexes.map { "k#{ retained.index(_1) }" }
           projected = coordinates.each_with_index.map { |key, index| "#{ key } AS v#{ index }" }
           output = ["#{ row_depth } AS row_depth", "#{ column_depth } AS column_depth"] +

backend/app/services/counts_population.rb

@@ -63,6 +63,8 @@ class CountsPopulation
   end
 
   def axis_condition(scope, entry)
+    raise CountsAxes::PrivateCondition if entry['value'] == CountsAxes::MASKED_VALUE
+
     key = entry.fetch('field')
     raise ArgumentError unless definition.axes(history).include?(key)
     if entry.key?('grain')

backend/app/services/counts_table_query.rb

@@ -88,7 +88,7 @@ class CountsTableQuery
             source.except(:select).select('COUNT(DISTINCT v.id) AS count').to_sql
           else
             source.except(:select).group(*expressions.map { Arel.sql(_1) })
-                .select(Arel.sql((selected + ['COUNT(DISTINCT v.id) AS count']).join(', ')))
+                .select(Arel.sql((selected + ["#{ axes.count_expression } AS count"]).join(', ')))
                 .to_sql
           end
     prefix = "WITH cells AS (#{ sql })"
@@ -359,7 +359,7 @@ class CountsTableQuery
     end
     selected = row_expressions.each_with_index.map { |expression, index|
       "#{ expression } AS a#{ index }"
-    } + ['COUNT(DISTINCT v.id) AS count']
+    } + ["#{ axes.count_expression } AS count"]
     source = source.group(*row_expressions.map { Arel.sql(_1) }) if row_expressions.any?
     source.select(Arel.sql(selected.join(', '))).to_sql
   end

backend/spec/requests/counts_table_spec.rb

@@ -232,7 +232,7 @@ RSpec.describe 'Counts table API', type: :request do
       it 'does not resolve private condition names even when the result set is empty' do
         TagVersion.create!(tag:, version_no: 2, event_type: 'discard', name: 'secret tag',
             category: 'general', aliases: '', parent_tag_ids: '',
-            names: { ja: { name: 'secret tag', script_code: 'Jpan', aliases: [] } },
+            names: { ja: { name: 'secret tag', script_code: 'Jpan', auto_generated: false, aliases: [] } },
             created_at: Time.utc(2024, 2))
         result = query(axis('tags', "internal:#{ tag.id }").merge(definition: 'latest'))
         expect(result['versions']).to be_empty
@@ -245,4 +245,25 @@ RSpec.describe 'Counts table API', type: :request do
       end
     end
   end
+  it 'includes private history in the public timeline without an exclusion count' do
+    PostVersion.create!(post: record, version_no: 4, event_type: 'discard', url: record.url,
+        title: 'hidden title', tags: '', tags_json: [], parent_post_ids: '',
+        created_at: Time.utc(2024, 3))
+    result = query(mode: 'summary', rows: 'created_at:month', cols: 'event_type')
+    expect(result['excluded_count']).to be_nil
+    expect(result['count']).to eq(4)
+    expect(result['cells'].sum { _1['count'] }).to eq(4)
+    expect(response.body).not_to include('hidden title')
+    masked = query(mode: 'summary', rows: 'resource_id', cols: '')
+    expect(masked['cells'].map { _1['values'] }).to eq([[CountsAxes::MASKED_VALUE]])
+    expect(masked['cells'].first['count']).to eq(4)
+    expect(query['versions']).to be_empty
+  end
+
+  it 'rejects private summary predicates instead of exposing a count oracle' do
+    get '/counts/query', params: base.merge(mode: 'summary', resource_id: record.id.to_s)
+    expect(response).to have_http_status(:forbidden)
+    expect(json).to eq('error' => 'private_condition')
+  end
+
 end

backend/spec/requests/post_locale_filter_identity_spec.rb

@@ -21,29 +21,7 @@ RSpec.describe 'Post filter identity across locales', type: :request do
 
   ['nico:shared', 'union_alias', 'not:nico:shared'].each do |literal|
     it "preserves the complete match set for #{ literal }" do
-      reference_params = { tag_refs: '' }
-
-      references.each_with_index do |reference, index|
-        %w[name tag_id external_tag_id negative missing].each do |field|
-          value = reference[field]
-          next if value.nil?
-          next if field == 'missing' && value == false
-
-          reference_params["tag_refs.#{index}.#{field}"] =
-              case value
-              when true
-                '1'
-              when false
-                '0'
-              else
-                value.to_s
-              end
-        end
-      end
-
-      get '/posts', params: {
-          locale: 'ain-Kana',
-          tags: references.map { _1.fetch('name') }.join(' ') }.merge(reference_params)
+      get '/posts', params: { locale: 'ja', tags: literal }
       expect(response).to have_http_status(:ok)
       original_ids = json.fetch('posts').map { _1.fetch('id') }
       expected = literal.start_with?('not:') ? [other_post.id] :
@@ -56,9 +34,18 @@ RSpec.describe 'Post filter identity across locales', type: :request do
       references = json.fetch('references')
       expect(references.first).to include('tag_id' => tag.id, 'external_tag_id' => external.id)
 
-      get '/posts', params: {
-          locale: 'ain-Kana', tags: references.map { _1.fetch('name') }.join(' '),
-          tag_refs: references.to_json }
+      reference_params = { tag_refs: '' }
+      references.each_with_index do |reference, index|
+        ['name', 'tag_id', 'external_tag_id', 'negative', 'missing'].each do |field|
+          value = reference[field]
+          next if value.nil? || (field == 'missing' && value == false)
+
+          reference_params["tag_refs.#{ index }.#{ field }"] =
+              [true, false].include?(value) ? (value ? '1' : '0') : value.to_s
+        end
+      end
+      get '/posts', params: { locale: 'ain-Kana',
+          tags: references.map { _1.fetch('name') }.join(' ') }.merge(reference_params)
       expect(response).to have_http_status(:ok)
       expect(json.fetch('posts').map { _1.fetch('id') }).to match_array(original_ids)
     end

backend/spec/requests/tag_description_wiki_spec.rb

@@ -63,7 +63,7 @@ RSpec.describe 'Tag description Wiki compatibility', type: :request do
     end
 
     it 'does not fall back when the new current revision is missing' do
-      versions.last.destroy!
+      TagDescriptionVersion.where(id: versions.last.id).delete_all
       without_legacy_reads { get "/wiki/#{ description.id }" }
       expect(response).to have_http_status(:not_found)
     end

backend/spec/services/counts_export_spec.rb

@@ -171,3 +171,33 @@ RSpec.describe 'Counts export contracts' do
     end
   end
 end
+
+RSpec.describe 'Counts download acknowledgement' do
+  around do |example|
+    Dir.mktmpdir('counts-ack-spec') do |path|
+      allow(CountsExportDownload).to receive(:directory).and_return(Pathname.new(path))
+      HistoryAccess.set(user: nil) { example.run }
+    end
+  end
+
+  it 'binds an acknowledgement to the owner, job, file token and fresh attempt' do
+    CountsExportJobs.pulse
+    payload = { 'resource' => 'posts', 'definition' => 'history', 'mode' => 'details',
+                'format' => 'json', 'locale' => 'ja' }
+    token = CountsExportJobs.start(payload, 'owner', 'ja')
+    id = CountsExportJobs.authorised_id(token, 'owner')
+    state = CountsExportJobs.read(id).merge('status' => 'ready', 'token' => 'file-token')
+    CountsExportJobs.write(state)
+    receipt = CountsExportJobs.download_attempt(token, 'owner')
+    expect(receipt['download_status']).to eq('pending')
+    arguments = { file_token: 'file-token', attempt: receipt.fetch('download_attempt') }
+    expect(CountsExportJobs.download_attempt(token, 'other', **arguments)).to be_nil
+    expect(CountsExportJobs.download_attempt(token, 'owner', **arguments.merge(file_token: 'wrong'))).to be_nil
+    CountsExportJobs.download_attempt(token, 'owner', **arguments, status: 'started')
+    expect(CountsExportJobs.status(token, 'owner')['download_status']).to eq('started')
+    CountsExportJobs.download_attempt(token, 'owner')
+    expect(CountsExportJobs.download_attempt(token, 'owner', **arguments)).to be_nil
+    CountsExportJobs.status(token, 'owner', cancel: true)
+    expect(CountsExportJobs.download_attempt(token, 'owner')).to be_nil
+  end
+end

docs/counts-exports.md

@@ -105,3 +105,23 @@ CSV の物理行と JSON の pivot_cell には集計レコードを含むため
 追加は許可後の新規 add_index migration として行い、既存 migration は変更しない。
 実DBでのインデックス容量・作成時ロック・実行計画・時間は未確認。
 索引追加なしでの最大データ量に対する応答時間は保証しない。
+
+
+## GET 応答開始の確認（静的実装・未実測）
+
+進捗画面は ready 後に owner/job に紐づく download_attempt を登録し、同じ attempt を
+native iframe の実 GET に渡す。サーバーは署名・所有者・権限 revision・期限・ファイルを
+再検証し、64KiB の最初のチャンクを Rack 出力側へ渡した後に started を記録する。
+HEAD や受付 POST では started にしない。確認には30秒の独立した期限がある。
+サーバーの出力開始はブラウザー受信・保存完了を保証しない。途中の切断もあり得る。
+開始確認前の失敗はダイアログに残る。再実行はダイアログを閉じてエクスポートをやり直す。
+
+Web と worker は同じ COUNTS_EXPORT_DIRECTORY、Rails secret、DB、実行ユーザーで
+共有 POSIX filesystem を使うこと。別ホストではローカル tmp を共有できない。
+systemd の EnvironmentFile と Web の環境を照合し、directory の owner と0700相当の
+アクセス制限、容量、期限切れ削除、worker heartbeat と restart を公開前に確認する。
+この作業では systemctl・worker 起動・本番環境への適用を行っていない。
+
+リリース保留：非公開グループと複数値・変更項目軸の交差集計、生成ファイルへの秘匿値の
+非混入、実 GET の middleware/proxy 経由の開始通知は、回帰テストと実環境の確認が必要。
+テスト・型チェック・build は未実行。

frontend/src/components/counts/CountsAxes.tsx

@@ -51,7 +51,7 @@ const CountsAxes = ({ params, update }: {
   return <SortableList groups={groups} name={name} onChange={commit}
       renderGroup={(id, content, over) => <fieldset className="mb-2 min-w-0">
         <legend>{label (id === 'available' ? 'axisItems' : id)}</legend>
-        <div className={cn ('rounded border dark:border-slate-700',
+        <div className={cn ('rounded border px-1 dark:border-slate-700',
 	    over && 'ring-1 ring-blue-500 dark:ring-blue-400')}>{content}</div>
       </fieldset>} renderItem={(id, group) => {
         const axis = axes.find (axis => axis.field === id)

frontend/src/components/counts/CountsControls.tsx

@@ -185,16 +185,16 @@ const CountsControls = (
 	    className={inputClass (false, 'w-20 py-1')}
 	    onChange={event => update ('limit', event.target.value)}>
           {[20, 50, 100].map (count => <option key={count} value={count}>
-            {label ('shared:labels.resultsCount', { count })}</option>)}
+            {message ('shared:labels.resultsCount', { count }).text}</option>)}
         </select>
       </label>
-      <label className="inline-flex items-center gap-1 text-sm">
+      {details && <label className="inline-flex items-center gap-1 text-sm">
 	<input type="checkbox" checked={draft.get ('row_numbers') === '1'}
 	    onChange={event => {
 	      update ('row_numbers', event.target.checked ? '1' : '0')
 	      displayRowNumbers (event.target.checked)
 	    }}/>{label ('rowNumbers')}
-      </label>
+      </label>}
       {details && resource === 'posts' && <label
 	  className="inline-flex items-center gap-1 text-sm">
 	<input type="checkbox" checked={thumbnail}

frontend/src/components/counts/CountsExportProgress.tsx

@@ -32,8 +32,10 @@ const CountsExportProgress = (
   const job = useRef<string | null> (null)
   const creation = useRef<Promise<{ job: string }> | null> (null)
   const downloaded = useRef (false)
+  const registration = useRef (false)
   const attempt = useRef<string | null> (null)
   const downloadDeadline = useRef (0)
+  const acknowledgementTimer = useRef<ReturnType<typeof setTimeout> | null> (null)
   const releaseDownload = useRef<(() => void) | null> (null)
   const [downloadError, setDownloadError] = useState<string | null> (null)
   const pollRequest = useRef<AbortController | null> (null)
@@ -79,25 +81,33 @@ const CountsExportProgress = (
 	const response = await apiGet<ExportStatus> (
 	    `/counts/export/jobs/${encodeURIComponent (token)}`, {
 		locale, signal: controller.signal })
-	if (!active) return
+	if (!active || terminal.current) return
 	const result = (cancelled.current && response.status === 'ready')
 	    ? await apiDelete<ExportStatus> (
 		`/counts/export/jobs/${encodeURIComponent (token)}`, {
 		    locale, signal: controller.signal }) : response
-	if (!active) return
+	if (!active || terminal.current) return
 	lastResponse = Date.now ()
 	setState (result)
 	terminal.current = ['failed', 'cancelled'].includes (result.status)
 	if (result.status === 'ready' && result.token != null && !downloaded.current)
 	{
-	  downloaded.current = true
+	  registration.current = true
 	  const receipt = await apiPost<ExportStatus> (
 	      `/counts/export/jobs/${encodeURIComponent (token)}/download`, {}, {
 		  locale, signal: controller.signal })
 	  if (!active || cancelled.current) return
 	  if (receipt.downloadAttempt == null) throw new Error ('Missing download attempt')
+	  downloaded.current = true
 	  attempt.current = receipt.downloadAttempt
 	  downloadDeadline.current = Date.now () + 30_000
+	  acknowledgementTimer.current = setTimeout (() => {
+	    if (!active || terminal.current) return
+	    terminal.current = true
+	    pollRequest.current?.abort ()
+	    releaseDownload.current?.()
+	    setDownloadError ('timeout')
+	  }, 30_000)
 	  releaseDownload.current = startAPIDownload ('/counts/export', result.token, () => {
 	    if (active)
 	    {
@@ -132,13 +142,13 @@ const CountsExportProgress = (
       }
       catch (error)
       {
-	if (active)
+	if (active && !terminal.current)
 	{
-	  if ((isApiError (error) && error.response?.status === 404)
+	  if (downloaded.current || registration.current || (isApiError (error) && error.response?.status === 404)
 	      || Date.now () - lastResponse > 30_000)
 	  {
 	    terminal.current = true
-	    if (downloaded.current) setDownloadError ('unavailable')
+	    setDownloadError ('unavailable')
 	    setState (previous => ({ ...previous, status: 'failed' }))
 	    return
 	  }
@@ -160,13 +170,14 @@ const CountsExportProgress = (
 	  locale, signal: controller.signal }).finally (() => clearTimeout (deadline))
     }
     creation.current.then (async result => {
-      if (!active) return
+      if (!active || terminal.current) return
       job.current = result.job
       if (cancelled.current) await handle.cancel ()
       await poll (result.job)
     }).catch (() => {
       if (active)
       {
+        setDownloadError ('failed')
 	terminal.current = true
 	setState (previous => ({ ...previous, status: 'failed' }))
       }
@@ -176,8 +187,9 @@ const CountsExportProgress = (
       if (timer != null) clearTimeout (timer)
       pollRequest.current?.abort ()
       releaseDownload.current?.()
+      if (acknowledgementTimer.current != null) clearTimeout (acknowledgementTimer.current)
     }
-  }, [handle, locale, payload, controls])
+  }, [handle, locale])
   useEffect (() => {
     controls.setActions ([])
   }, [controls])

frontend/src/components/counts/CountsSortHeader.tsx

@@ -3,6 +3,7 @@ import { useContext, useEffect, useRef } from 'react'
 import SortableItem from '@/components/common/SortableItem'
 import CountsResizeHandle from '@/components/counts/CountsResizeHandle'
 import { Button } from '@/components/ui/button'
+import { cn } from '@/lib/utils'
 import { useUITranslation } from '@/lib/useUITranslation'
 import { CountsTableScope, useCountsTableLayout } from '@/lib/countsTableLayout'
 
@@ -129,7 +130,10 @@ const CountsSortHeader = (
 	      }
 	      change (field, event.ctrlKey || event.metaKey)
 	    }}>
-	  <span data-counts-label className="truncate" lang={label.language}>{label.text}</span>
+	  <span data-counts-label className={cn ('truncate', label.text === '********'
+                  && 'text-red-600 dark:text-red-400')}
+              title={label.text === '********' ? message ('maskedReason').text : undefined}
+              lang={label.language}>{label.text}</span>
 	  <span aria-hidden data-counts-sort-indicator className="inline-block w-10 shrink-0">
 	    {priority >= 0 && <>{direction === 'asc' ? '▲' : '▼'}
               {sorts.length > 1 && priority + 1}</>}</span>

frontend/src/components/counts/CountsSummaryResults.tsx

@@ -26,7 +26,7 @@ const CountsSummaryTable = (
   const definition = useCountsDefinition ()
   const locale = useLocale ()
   const { message } = useUITranslation ('counts')
-  const numbered = params.get ('row_numbers') === '1'
+  const numbered = false
   const rows = data.rows ?? []
   const cols = data.cols ?? []
   const cells = data.cells ?? []
@@ -260,7 +260,9 @@ const CountsSummaryTable = (
               data-counts-total={row.kind !== 'data' ? row.kind : undefined}
 	      data-counts-row-total={row.kind !== 'data' ? row.kind : undefined}
               className={cn ('overflow-hidden break-words border px-2 py-1 dark:border-slate-700',
-                  numbered && offset === 0 && 'text-right tabular-nums')}>{value}</td>
+                  numbered && offset === 0 && 'text-right tabular-nums')}>{value === '********' ? <span
+                  className="text-red-600 dark:text-red-400"
+                  title={message ('maskedReason').text}>{value}</span> : value}</td>
         })}
         {columnHeaders.map (column => <td key={columnKey (column)}
             data-counts-copy={String (count (row, column))}
@@ -271,11 +273,12 @@ const CountsSummaryTable = (
             data-counts-aggregate={(row.kind !== 'data' || column.kind !== 'data')
                 ? '' : undefined}
 	    className="border px-2 py-1 dark:border-slate-700">
-          <PrefetchLink to={drill (row, column)} aria-label={
+          {[...row.values, ...column.values].includes ('__counts_private__')
+              ? <span>{count (row, column)}</span> : <PrefetchLink to={drill (row, column)} aria-label={
               totalLabels.get (JSON.stringify ([row.values, column.values])) == null ? undefined
               : `${message (totalLabels.get (
                   JSON.stringify ([row.values, column.values]))!).text}: ${count (row, column)}`}>
-            {count (row, column)}</PrefetchLink>
+            {count (row, column)}</PrefetchLink>}
         </td>)}
       </tr>)}</tbody>
     </CountsSelectableTable>

frontend/src/lib/countsDisplay.ts

@@ -488,6 +488,7 @@ export const countsSummaryValue = (
 ): string => {
   const message = (key: string, values?: Record<string, string | number>) =>
       translateUIMessage (key, 'counts', locale, values).text
+  if (value === '__counts_private__') return '********'
   if (value == null) return axis.field === 'user' ? message ('bot') : ''
   if (['language_code', 'source_language_code'].includes (axis.field))
     return languageUIMessage (String (value), locale).text

frontend/src/locales/ain-Kana/counts.json

@@ -1,3 +1,19 @@
 {
-  "_untranslated": ["*"]
+  "_untranslated": [
+    "*",
+    "outputRows",
+    "maskedReason",
+    "downloadErrors",
+    "axisLimit",
+    "privateCondition"
+  ],
+  "outputRows": "行数：{{value}} 件",
+  "maskedReason": "閲覧権限のない履歴に由来するため、この項目の値は表示できません。集計件数には含まれます。",
+  "downloadErrors": {
+    "unavailable": "ダウンロードの認可が失われたか、ファイルの有効期限が切れています。",
+    "failed": "ダウンロード応答を開始できませんでした。",
+    "timeout": "ダウンロード応答の開始確認がタイムアウトしました。"
+  },
+  "axisLimit": "集計軸は最大{{max}}個です。行・列の項目を減らしてください。",
+  "privateCondition": "非公開情報を保護するため、この抽出条件では集計できません。"
 }

frontend/src/locales/ja/counts.json

@@ -290,5 +290,14 @@
   "periodSeparator": "〜",
   "bot": "$t(history:bot)",
   "actorWithId": "{{name}} (#{{id}})",
-  "axisWithGrain": "{{field}}（{{grain}}）"
+  "axisWithGrain": "{{field}}（{{grain}}）",
+  "outputRows": "行数：{{value}} 件",
+  "maskedReason": "閲覧権限のない履歴に由来するため、この項目の値は表示できません。集計件数には含まれます。",
+  "downloadErrors": {
+    "unavailable": "ダウンロードの認可が失われたか、ファイルの有効期限が切れています。",
+    "failed": "ダウンロード応答を開始できませんでした。",
+    "timeout": "ダウンロード応答の開始確認がタイムアウトしました。"
+  },
+  "axisLimit": "集計軸は最大{{max}}個です。行・列の項目を減らしてください。",
+  "privateCondition": "非公開情報を保護するため、この抽出条件では集計できません。"
 }

frontend/src/pages/CountsResourcePage.test.tsx

@@ -26,6 +26,7 @@ const renderPage = (extra = '') => renderWithProviders (<>
 </>, { route: `/ja/counts/posts?mode=details&timezone=UTC${extra}` })
 
 beforeEach (() => {
+  vi.spyOn (HTMLCanvasElement.prototype, 'getContext').mockReturnValue (null)
   fetchCounts.mockReset ().mockResolvedValue (detailResult)
   fetchCountsDefinition.mockReset ().mockResolvedValue (postDefinition)
 })

frontend/src/pages/CountsResourcePage.tsx

@@ -96,6 +96,7 @@ const CountsResourceContent = (
   cacheParams.set ('definition', state ? 'latest' : 'history')
   const [running, setRunning] = useState (false)
   const [runError, setRunError] = useState (false)
+  const [runFailure, setRunFailure] = useState<unknown> (null)
   const [runColumnLimit, setRunColumnLimit] = useState<number | null> (null)
   const pendingRun = useRef<PendingCountsRun | null> (null)
   const applied = useRef (params)
@@ -219,6 +220,7 @@ const CountsResourceContent = (
       if (pendingRun.current !== pending) return
       pendingRun.current = null
       setRunning (false)
+      setRunFailure (failure)
       setRunColumnLimit (tooManyColumns (failure))
       setRunError (true)
     }
@@ -228,6 +230,14 @@ const CountsResourceContent = (
   const waiting = running || (!definitionError && (definition == null
       || pending || fetching || placeholder
       || (!params.has ('execution_at') && !errorFlg)))
+  const failure = runError ? runFailure : queryError
+  const errorBody = isApiError (failure) ? failure.response?.data as {
+      error?: string; max_axes?: number; maxAxes?: number } : undefined
+  const errorCode = errorBody?.error
+  const failureMessage = errorCode === 'too_many_axes'
+      ? label ('axisLimit', { max: errorBody?.maxAxes ?? errorBody?.max_axes ?? '' })
+      : (errorCode === 'private_condition' ? label ('privateCondition')
+          : label ('common:fetchError'))
   const columnLimit = runColumnLimit ?? tooManyColumns (queryError)
 
 
@@ -371,14 +381,14 @@ const CountsResourceContent = (
 	      <p>{label ('columnLimit.title')}</p>
 	      <p>{label ('columnLimit.message', { max: columnLimit })}</p>
 	    </div> : ((definitionError || errorFlg || runError)
-		&& <p role="alert">{label ('common:fetchError')}</p>)}
+		&& <p role="alert">{failureMessage}</p>)}
 	    <div className="relative flex min-h-0 flex-1 flex-col overflow-hidden"
 		aria-busy={waiting}>
 	      <div inert={waiting} className="flex min-h-0 flex-1 flex-col">
 	    {definition != null && data != null && <>
 	      <p className="my-1 flex flex-wrap items-baseline gap-x-2 text-sm">
-		<span>{label ('outputTotal', { value: data.outputCount ?? '—' })}</span>
-		{data.excludedCountScope === 'current_query'
+		<span>{label (resultMode === 'summary' ? 'outputRows' : 'outputTotal', { value: data.outputCount ?? '—' })}</span>
+		{resultMode === 'details' && data.excludedCountScope === 'current_query'
 		    && data.excludedCount != null && data.excludedCount > 0 && (
 		    <span className="text-xs text-slate-500 dark:text-slate-400">
 		      {label ('excludedRecords', { count: data.excludedCount })}</span>)}

frontend/src/pages/help/HelpChangesPage.test.tsx

@@ -22,6 +22,7 @@ vi.mock ('@/lib/useClientBehaviourSettings', () => ({
 
 describe ('Help global edition history', () => {
   beforeEach (() => {
+    window.history.replaceState (null, '', '/ja/help/changes')
     helpFixture.reset ()
     vi.mocked (apiGet).mockResolvedValue ({ locales: [{ code: 'ja', name: '日本語' }] })
   })