From e1658127929abca73d5e501a58bd481404ca75f7 Mon Sep 17 00:00:00 2001
From: neon <18559658+neonsolstice@users.noreply.github.com>
Date: Tue, 25 Aug 2026 00:53:04 +0000
Subject: [PATCH] feat(client): confirm destructive Book Dock discards

Require explicit confirmation before row, sheet, or bulk discard deletes files from disk. Provide a separate deselect action for bulk selections.

Closes #1007
---
 .../components/BookDockDiscardDialog.vue      |  73 +++++++++++
 .../components/BookDockFileSheet.vue          |   9 +-
 .../book-dock/components/BookDockListBar.vue  |  15 ++-
 .../__tests__/BookDockDiscardDialog.spec.ts   | 117 ++++++++++++++++++
 .../__tests__/BookDockFileRow.spec.ts         |   8 ++
 .../__tests__/BookDockFileSheet.spec.ts       |  13 +-
 .../__tests__/BookDockListBar.spec.ts         |  65 ++++++++++
 .../__tests__/useBookDockFiles.spec.ts        |  32 +++++
 .../composables/useBookDockDetail.ts          |   7 +-
 .../book-dock/composables/useBookDockFiles.ts |   7 ++
 client/src/locales/en.json                    |   7 ++
 client/src/views/BookDockView.vue             |  85 ++++++++++---
 12 files changed, 407 insertions(+), 31 deletions(-)
 create mode 100644 client/src/features/book-dock/components/BookDockDiscardDialog.vue
 create mode 100644 client/src/features/book-dock/components/__tests__/BookDockDiscardDialog.spec.ts
 create mode 100644 client/src/features/book-dock/components/__tests__/BookDockListBar.spec.ts
 create mode 100644 client/src/features/book-dock/composables/__tests__/useBookDockFiles.spec.ts

diff --git a/client/src/features/book-dock/components/BookDockDiscardDialog.vue b/client/src/features/book-dock/components/BookDockDiscardDialog.vue
new file mode 100644
index 000000000..f32f6bba5
--- /dev/null
+++ b/client/src/features/book-dock/components/BookDockDiscardDialog.vue
@@ -0,0 +1,73 @@
+<script setup lang="ts">
+import { ref } from 'vue'
+import { useI18n } from 'vue-i18n'
+import ConfirmDialog from '@/components/ui/ConfirmDialog.vue'
+import { api } from '@/lib/api'
+
+const props = defineProps<{
+  selectionPayload: {
+    fileIds?: number[]
+    selectAll?: boolean
+    excludedIds?: number[]
+    status?: string
+    needsReview?: boolean
+    search?: string
+  }
+  selectionCount: number
+}>()
+
+const emit = defineEmits<{
+  close: []
+  discarded: []
+}>()
+
+const { t } = useI18n()
+const discarding = ref(false)
+const error = ref(false)
+
+function handleClose() {
+  if (!discarding.value) emit('close')
+}
+
+async function handleConfirm() {
+  if (discarding.value) return
+  discarding.value = true
+  error.value = false
+
+  try {
+    const response = await api('/api/v1/book-dock/files/discard', {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify(props.selectionPayload),
+    })
+
+    if (!response.ok) {
+      error.value = true
+      return
+    }
+
+    emit('discarded')
+  } catch {
+    error.value = true
+  } finally {
+    discarding.value = false
+  }
+}
+</script>
+
+<template>
+  <ConfirmDialog
+    open
+    destructive
+    :title="t('bookDock.discardDialog.title', { count: selectionCount })"
+    :description="t('bookDock.discardDialog.description', { count: selectionCount })"
+    :confirm-label="t('bookDock.discardDialog.confirm', { count: selectionCount })"
+    :busy="discarding"
+    @confirm="handleConfirm"
+    @cancel="handleClose"
+  >
+    <p v-if="error" class="mt-3 text-sm text-destructive" role="alert">
+      {{ t('bookDock.discardDialog.failed') }}
+    </p>
+  </ConfirmDialog>
+</template>
diff --git a/client/src/features/book-dock/components/BookDockFileSheet.vue b/client/src/features/book-dock/components/BookDockFileSheet.vue
index aa0730c4e..655c01290 100644
--- a/client/src/features/book-dock/components/BookDockFileSheet.vue
+++ b/client/src/features/book-dock/components/BookDockFileSheet.vue
@@ -30,11 +30,11 @@ const props = defineProps<{ file: BookDockFile }>()
 
 const emit = defineEmits<{
   close: []
-  discarded: []
+  discard: [BookDockFile]
   updated: [BookDockFile]
 }>()
 
-const { saved, saveError, saveMetadata, setTarget, discardFile, coverUrl } = useBookDockDetail()
+const { saved, saveError, saveMetadata, setTarget, coverUrl } = useBookDockDetail()
 const { libraries, fetchLibraries: fetchLibs } = useLibraries()
 
 const meta = computed(() => props.file.selectedMetadata ?? props.file.embeddedMetadata ?? ({} as BookDockMetadata))
@@ -195,9 +195,8 @@ function formatDate(iso: string): string {
   return formatDateTime(new Date(iso))
 }
 
-async function handleDiscard() {
-  await discardFile(props.file.id)
-  emit('discarded')
+function handleDiscard() {
+  emit('discard', props.file)
 }
 
 const {
diff --git a/client/src/features/book-dock/components/BookDockListBar.vue b/client/src/features/book-dock/components/BookDockListBar.vue
index 6ac182bb3..ccea20bc1 100644
--- a/client/src/features/book-dock/components/BookDockListBar.vue
+++ b/client/src/features/book-dock/components/BookDockListBar.vue
@@ -1,7 +1,7 @@
 <script setup lang="ts">
 import { computed } from 'vue'
 import { useI18n } from 'vue-i18n'
-import { ArrowUpDown, Check, FolderPlus, Keyboard, Loader2, PenLine, RefreshCw, Trash2, Wand2 } from '@lucide/vue'
+import { ArrowUpDown, Check, FolderPlus, Keyboard, Loader2, PenLine, RefreshCw, Trash2, Wand2, X } from '@lucide/vue'
 import { Permission, type BookDockSummary } from '@bookorbit/types'
 import { formatBytes } from '@/lib/formatting'
 import { formatNumber } from '@/i18n/formatters'
@@ -29,6 +29,7 @@ const emit = defineEmits<{
   finalize: []
   setDestination: []
   bulkEdit: []
+  deselect: []
   bulkDiscard: []
   applyFetched: []
   retryFetch: []
@@ -72,6 +73,9 @@ function emitSetDestination() {
 function emitBulkEdit() {
   emit('bulkEdit')
 }
+function emitDeselect() {
+  emit('deselect')
+}
 function emitBulkDiscard() {
   emit('bulkDiscard')
 }
@@ -174,6 +178,15 @@ function emitRetryFetch() {
             <PenLine class="size-3" aria-hidden="true" />
             {{ t('bookDock.bulkEditAction') }}
           </button>
+          <button
+            type="button"
+            data-testid="book-dock-deselect"
+            class="inline-flex h-7 items-center gap-1.5 rounded-lg bg-muted px-2.5 text-[11.5px] font-medium text-foreground transition-colors hover:bg-muted/80 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-primary"
+            @click="emitDeselect"
+          >
+            <X class="size-3" aria-hidden="true" />
+            {{ t('bookDock.deselect') }}
+          </button>
           <button
             type="button"
             data-testid="book-dock-bulk-discard"
diff --git a/client/src/features/book-dock/components/__tests__/BookDockDiscardDialog.spec.ts b/client/src/features/book-dock/components/__tests__/BookDockDiscardDialog.spec.ts
new file mode 100644
index 000000000..bea2b5d8b
--- /dev/null
+++ b/client/src/features/book-dock/components/__tests__/BookDockDiscardDialog.spec.ts
@@ -0,0 +1,117 @@
+import { flushPromises, mount } from '@vue/test-utils'
+import { defineComponent } from 'vue'
+import { beforeEach, describe, expect, it, vi } from 'vitest'
+import BookDockDiscardDialog from '../BookDockDiscardDialog.vue'
+
+const apiMock = vi.fn<(...args: unknown[]) => Promise<Response>>()
+
+vi.mock('@/lib/api', () => ({
+  api: (...args: unknown[]) => apiMock(...args),
+}))
+
+const ConfirmDialogStub = defineComponent({
+  name: 'ConfirmDialog',
+  props: {
+    title: { type: String, required: true },
+    description: { type: String, required: true },
+    confirmLabel: { type: String, required: true },
+    busy: Boolean,
+  },
+  emits: ['confirm', 'cancel'],
+  template: `
+    <div>
+      <h2>{{ title }}</h2>
+      <p>{{ description }}</p>
+      <slot />
+      <button type="button" :disabled="busy" @click="$emit('cancel')">Cancel</button>
+      <button type="button" :disabled="busy" @click="$emit('confirm')">{{ confirmLabel }}</button>
+    </div>
+  `,
+})
+
+type SelectionPayload = {
+  fileIds?: number[]
+  selectAll?: boolean
+  excludedIds?: number[]
+  status?: string
+  search?: string
+}
+
+function mountDialog(
+  selectionCount = 2,
+  selectionPayload: SelectionPayload = { selectAll: true, excludedIds: [9], status: 'ready', search: 'Dune' },
+) {
+  return mount(BookDockDiscardDialog, {
+    props: {
+      selectionPayload,
+      selectionCount,
+    },
+    global: {
+      stubs: { ConfirmDialog: ConfirmDialogStub },
+    },
+  })
+}
+
+describe('BookDockDiscardDialog', () => {
+  beforeEach(() => {
+    apiMock.mockReset()
+  })
+
+  it('warns that discarding permanently deletes the selected files from disk', () => {
+    const wrapper = mountDialog()
+
+    expect(wrapper.text()).toContain('Discard the 2 selected files?')
+    expect(wrapper.text()).toContain('This permanently deletes the 2 selected files from disk. This action cannot be undone.')
+    expect(wrapper.text()).toContain('Delete 2 files')
+    expect(apiMock).not.toHaveBeenCalled()
+  })
+
+  it('uses singular warning copy for a row discard', () => {
+    const wrapper = mountDialog(1, { fileIds: [42] })
+
+    expect(wrapper.text()).toContain('Discard the selected file?')
+    expect(wrapper.text()).toContain('This permanently deletes the selected file from disk. This action cannot be undone.')
+    expect(wrapper.text()).toContain('Delete file')
+  })
+
+  it('closes without deleting when cancelled', async () => {
+    const wrapper = mountDialog()
+
+    const cancelButton = wrapper.findAll('button').find((button) => button.text() === 'Cancel')
+    expect(cancelButton).toBeDefined()
+    await cancelButton!.trigger('click')
+
+    expect(wrapper.emitted('close')).toHaveLength(1)
+    expect(apiMock).not.toHaveBeenCalled()
+  })
+
+  it('discards the captured selection only after confirmation', async () => {
+    apiMock.mockResolvedValue({ ok: true } as Response)
+    const wrapper = mountDialog()
+
+    const confirmButton = wrapper.findAll('button').find((button) => button.text() === 'Delete 2 files')
+    expect(confirmButton).toBeDefined()
+    await confirmButton!.trigger('click')
+    await flushPromises()
+
+    expect(apiMock).toHaveBeenCalledWith('/api/v1/book-dock/files/discard', {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({ selectAll: true, excludedIds: [9], status: 'ready', search: 'Dune' }),
+    })
+    expect(wrapper.emitted('discarded')).toHaveLength(1)
+  })
+
+  it('keeps the dialog open and reports a failed deletion', async () => {
+    apiMock.mockResolvedValue({ ok: false } as Response)
+    const wrapper = mountDialog()
+
+    const confirmButton = wrapper.findAll('button').find((button) => button.text() === 'Delete 2 files')
+    await confirmButton!.trigger('click')
+    await flushPromises()
+
+    expect(wrapper.emitted('discarded')).toBeUndefined()
+    expect(wrapper.get('[role="alert"]').text()).toBe('The selected files could not be deleted. Try again.')
+    expect(wrapper.text()).toContain('Discard the 2 selected files?')
+  })
+})
diff --git a/client/src/features/book-dock/components/__tests__/BookDockFileRow.spec.ts b/client/src/features/book-dock/components/__tests__/BookDockFileRow.spec.ts
index 395c6cef7..8bbd773ec 100644
--- a/client/src/features/book-dock/components/__tests__/BookDockFileRow.spec.ts
+++ b/client/src/features/book-dock/components/__tests__/BookDockFileRow.spec.ts
@@ -55,4 +55,12 @@ describe('BookDockFileRow metadata refetch action', () => {
 
     expect(wrapper.get('[data-testid="book-dock-row-retry"]').attributes('disabled')).toBeDefined()
   })
+
+  it('requests confirmation instead of deleting from the row', async () => {
+    const wrapper = mountRow('ready')
+
+    await wrapper.get('[data-testid="book-dock-row-discard"]').trigger('click')
+
+    expect(wrapper.emitted('discard')).toEqual([[expect.objectContaining({ id: 42 })]])
+  })
 })
diff --git a/client/src/features/book-dock/components/__tests__/BookDockFileSheet.spec.ts b/client/src/features/book-dock/components/__tests__/BookDockFileSheet.spec.ts
index 05409b5ff..476b9ab06 100644
--- a/client/src/features/book-dock/components/__tests__/BookDockFileSheet.spec.ts
+++ b/client/src/features/book-dock/components/__tests__/BookDockFileSheet.spec.ts
@@ -18,7 +18,6 @@ vi.mock('../../composables/useBookDockDetail', () => ({
     saveError: ref(null),
     saveMetadata: mocks.saveMetadata,
     setTarget: vi.fn<(...args: unknown[]) => Promise<null>>().mockResolvedValue(null),
-    discardFile: vi.fn<(...args: unknown[]) => Promise<void>>().mockResolvedValue(undefined),
     coverUrl: (id: number) => `/api/v1/book-dock/files/${id}/cover`,
   }),
 }))
@@ -248,4 +247,16 @@ describe('BookDockFileSheet metadata search defaults', () => {
       }),
     )
   })
+
+  it('requests confirmation before discarding the file', async () => {
+    const dockFile = makeFile()
+    const wrapper = mountSheet(dockFile)
+    const discardButton = wrapper.findAll('button').find((button) => button.text().trim() === 'Discard')
+
+    expect(discardButton).toBeDefined()
+    await discardButton!.trigger('click')
+
+    expect(wrapper.emitted('discard')).toEqual([[dockFile]])
+    expect(wrapper.emitted('close')).toBeUndefined()
+  })
 })
diff --git a/client/src/features/book-dock/components/__tests__/BookDockListBar.spec.ts b/client/src/features/book-dock/components/__tests__/BookDockListBar.spec.ts
new file mode 100644
index 000000000..9e40be7ab
--- /dev/null
+++ b/client/src/features/book-dock/components/__tests__/BookDockListBar.spec.ts
@@ -0,0 +1,65 @@
+import { shallowMount } from '@vue/test-utils'
+import { describe, expect, it, vi } from 'vitest'
+import type { BookDockSummary } from '@bookorbit/types'
+import BookDockListBar from '../BookDockListBar.vue'
+
+vi.mock('@/features/auth/composables/usePermissions', () => ({
+  usePermissions: () => ({
+    hasPermission: () => true,
+    isDemoRestrictedAccount: { value: false },
+  }),
+}))
+
+const summary: BookDockSummary = {
+  pending: 0,
+  working: 0,
+  ready: 2,
+  error: 0,
+  needsReview: 0,
+  readyToFile: 2,
+  total: 2,
+  paused: false,
+}
+
+function mountListBar(selectionCount: number) {
+  return shallowMount(BookDockListBar, {
+    props: {
+      pageCount: 2,
+      total: 2,
+      totalSizeBytes: null,
+      allOnPageSelected: selectionCount === 2,
+      selectAllMatching: false,
+      selectionCount,
+      fetchedCount: 0,
+      errorCount: 0,
+      sort: 'attention',
+      summary,
+      keyboardActive: false,
+    },
+  })
+}
+
+describe('BookDockListBar selection actions', () => {
+  it('offers a distinct deselect action while files are selected', () => {
+    const wrapper = mountListBar(2)
+
+    expect(wrapper.get('[data-testid="book-dock-deselect"]').text()).toBe('Deselect')
+    expect(wrapper.get('[data-testid="book-dock-bulk-discard"]').text()).toBe('Discard')
+  })
+
+  it('emits deselect without invoking discard', async () => {
+    const wrapper = mountListBar(2)
+
+    await wrapper.get('[data-testid="book-dock-deselect"]').trigger('click')
+
+    expect(wrapper.emitted('deselect')).toHaveLength(1)
+    expect(wrapper.emitted('bulkDiscard')).toBeUndefined()
+  })
+
+  it('does not show selection actions when nothing is selected', () => {
+    const wrapper = mountListBar(0)
+
+    expect(wrapper.find('[data-testid="book-dock-deselect"]').exists()).toBe(false)
+    expect(wrapper.find('[data-testid="book-dock-bulk-discard"]').exists()).toBe(false)
+  })
+})
diff --git a/client/src/features/book-dock/composables/__tests__/useBookDockFiles.spec.ts b/client/src/features/book-dock/composables/__tests__/useBookDockFiles.spec.ts
new file mode 100644
index 000000000..9a867f127
--- /dev/null
+++ b/client/src/features/book-dock/composables/__tests__/useBookDockFiles.spec.ts
@@ -0,0 +1,32 @@
+import { describe, expect, it } from 'vitest'
+import { useBookDockFiles } from '../useBookDockFiles'
+
+describe('useBookDockFiles deleted selections', () => {
+  it('removes a deleted file from an explicit selection', () => {
+    const files = useBookDockFiles()
+    files.total.value = 3
+    files.toggleSelect(1)
+    files.toggleSelect(2)
+
+    files.removeDeletedSelection(1)
+
+    expect(files.selectionCount.value).toBe(1)
+    expect(files.isSelected(1)).toBe(false)
+    expect(files.isSelected(2)).toBe(true)
+  })
+
+  it('keeps all remaining matches selected after deleting an excluded row', () => {
+    const files = useBookDockFiles()
+    files.total.value = 3
+    files.toggleSelectAll()
+    files.toggleSelect(1)
+    expect(files.selectionCount.value).toBe(2)
+
+    files.removeDeletedSelection(1)
+    files.total.value = 2
+
+    expect(files.selectionCount.value).toBe(2)
+    expect(files.isSelected(2)).toBe(true)
+    expect(files.isSelected(3)).toBe(true)
+  })
+})
diff --git a/client/src/features/book-dock/composables/useBookDockDetail.ts b/client/src/features/book-dock/composables/useBookDockDetail.ts
index 0538871f7..b16ddf341 100644
--- a/client/src/features/book-dock/composables/useBookDockDetail.ts
+++ b/client/src/features/book-dock/composables/useBookDockDetail.ts
@@ -68,14 +68,9 @@ export function useBookDockDetail() {
     return null
   }
 
-  async function discardFile(id: number) {
-    await api(`/api/v1/book-dock/files/${id}`, { method: 'DELETE' })
-    file.value = null
-  }
-
   function coverUrl(id: number): string {
     return `/api/v1/book-dock/files/${id}/cover`
   }
 
-  return { file, loading, saving, saved, saveError, loadFile, saveMetadata, debouncedSave, setTarget, discardFile, coverUrl }
+  return { file, loading, saving, saved, saveError, loadFile, saveMetadata, debouncedSave, setTarget, coverUrl }
 }
diff --git a/client/src/features/book-dock/composables/useBookDockFiles.ts b/client/src/features/book-dock/composables/useBookDockFiles.ts
index eceebb37d..46dcb3542 100644
--- a/client/src/features/book-dock/composables/useBookDockFiles.ts
+++ b/client/src/features/book-dock/composables/useBookDockFiles.ts
@@ -155,6 +155,12 @@ export function useBookDockFiles() {
     lastToggledId.value = null
   }
 
+  function removeDeletedSelection(id: number) {
+    selectedIds.value.delete(id)
+    excludedIds.value.delete(id)
+    if (lastToggledId.value === id) lastToggledId.value = null
+  }
+
   function isSelected(id: number): boolean {
     if (selectAll.value) return !excludedIds.value.has(id)
     return selectedIds.value.has(id)
@@ -204,6 +210,7 @@ export function useBookDockFiles() {
     toggleSelect,
     toggleSelectAll,
     clearSelection,
+    removeDeletedSelection,
     isSelected,
     selectAll,
     selectionCount,
diff --git a/client/src/locales/en.json b/client/src/locales/en.json
index 1ad902717..45bb7e678 100644
--- a/client/src/locales/en.json
+++ b/client/src/locales/en.json
@@ -5000,6 +5000,7 @@
     "apply": "Apply",
     "done": "Done",
     "discard": "Discard",
+    "deselect": "Deselect",
     "finalize": "Finalize",
     "rescan": "Rescan",
     "uploadAction": "Upload",
@@ -5009,6 +5010,12 @@
     "bulkEditAction": "Bulk Edit",
     "applyFetched": "Apply Fetched",
     "retryErrors": "Retry Errors",
+    "discardDialog": {
+      "title": "{count, plural, =0 {Discard no files?} one {Discard the selected file?} other {Discard the # selected files?}}",
+      "description": "{count, plural, =0 {No files are selected.} one {This permanently deletes the selected file from disk. This action cannot be undone.} other {This permanently deletes the # selected files from disk. This action cannot be undone.}}",
+      "confirm": "{count, plural, one {Delete file} other {Delete # files}}",
+      "failed": "The selected files could not be deleted. Try again."
+    },
     "commaSeparated": "comma-separated",
     "destinationLibrary": "Destination Library",
     "destinationFolder": "Destination Folder",
diff --git a/client/src/views/BookDockView.vue b/client/src/views/BookDockView.vue
index c5b75b3e6..174f80794 100644
--- a/client/src/views/BookDockView.vue
+++ b/client/src/views/BookDockView.vue
@@ -21,6 +21,7 @@ import BookDockFileSheet from '@/features/book-dock/components/BookDockFileSheet
 import BookDockFinalizeDialog from '@/features/book-dock/components/BookDockFinalizeDialog.vue'
 import BookDockBulkEditDialog from '@/features/book-dock/components/BookDockBulkEditDialog.vue'
 import BookDockSetDestinationDialog from '@/features/book-dock/components/BookDockSetDestinationDialog.vue'
+import BookDockDiscardDialog from '@/features/book-dock/components/BookDockDiscardDialog.vue'
 
 type ApplyFetchedResult = {
   total: number
@@ -29,6 +30,22 @@ type ApplyFetchedResult = {
   skippedEdited: number
 }
 
+type BookDockSelectionPayload = {
+  fileIds?: number[]
+  selectAll?: boolean
+  excludedIds?: number[]
+  status?: string
+  needsReview?: boolean
+  search?: string
+}
+
+type PendingDiscard = {
+  selectionPayload: BookDockSelectionPayload
+  selectionCount: number
+  source: 'bulk' | 'row' | 'sheet'
+  fileId?: number
+}
+
 const { t } = useI18n()
 
 const {
@@ -46,6 +63,7 @@ const {
   toggleSelect,
   toggleSelectAll,
   clearSelection,
+  removeDeletedSelection,
   isSelected,
   selectAll,
   selectionCount,
@@ -64,6 +82,7 @@ const selectedFile = ref<BookDockFile | null>(null)
 const showFinalizeDialog = ref(false)
 const showBulkEditDialog = ref(false)
 const showSetDestinationDialog = ref(false)
+const pendingDiscard = ref<PendingDiscard | null>(null)
 const dragOver = ref(false)
 const newFilesDetected = ref(false)
 const namePreviewByFileId = ref<Record<number, string>>({})
@@ -106,11 +125,6 @@ function closeSheet() {
   selectedFile.value = null
 }
 
-function onDiscarded() {
-  selectedFile.value = null
-  refresh()
-}
-
 function refresh() {
   fetchFiles()
   fetchSummary(true)
@@ -183,9 +197,8 @@ function handleSort(field: SortField) {
   setSort(field)
 }
 
-async function handleRowDiscard(file: BookDockFile) {
-  await api(`/api/v1/book-dock/files/${file.id}`, { method: 'DELETE' })
-  refresh()
+function handleRowDiscard(file: BookDockFile) {
+  openSingleDiscard(file, 'row')
 }
 
 async function handleRowRetry(file: BookDockFile) {
@@ -204,14 +217,41 @@ function openFinalizeForFile(file: BookDockFile) {
   showFinalizeDialog.value = true
 }
 
-async function handleBulkDiscard() {
-  const payload = getSelectionPayload()
-  await api('/api/v1/book-dock/files/discard', {
-    method: 'POST',
-    headers: { 'Content-Type': 'application/json' },
-    body: JSON.stringify(payload),
-  })
-  clearSelection()
+function openBulkDiscardDialog() {
+  if (!hasSelection.value) return
+  pendingDiscard.value = {
+    selectionPayload: getSelectionPayload(),
+    selectionCount: selectionCount.value,
+    source: 'bulk',
+  }
+}
+
+function openSingleDiscard(file: BookDockFile, source: 'row' | 'sheet') {
+  pendingDiscard.value = {
+    selectionPayload: { fileIds: [file.id] },
+    selectionCount: 1,
+    source,
+    fileId: file.id,
+  }
+}
+
+function handleSheetDiscard(file: BookDockFile) {
+  openSingleDiscard(file, 'sheet')
+}
+
+function closeDiscardDialog() {
+  pendingDiscard.value = null
+}
+
+function handleDiscarded() {
+  const discarded = pendingDiscard.value
+  if (!discarded) return
+
+  if (discarded.source === 'bulk') clearSelection()
+  else if (discarded.fileId !== undefined) removeDeletedSelection(discarded.fileId)
+  if (discarded.source === 'sheet') selectedFile.value = null
+
+  pendingDiscard.value = null
   refresh()
 }
 
@@ -582,7 +622,8 @@ onUnmounted(() => {
             @finalize="openFinalize"
             @set-destination="openSetDestination"
             @bulk-edit="openBulkEdit"
-            @bulk-discard="handleBulkDiscard"
+            @deselect="clearSelection"
+            @bulk-discard="openBulkDiscardDialog"
             @apply-fetched="handleApplyFetched"
             @retry-fetch="handleRetryFetch"
           />
@@ -621,7 +662,7 @@ onUnmounted(() => {
     </main>
 
     <Teleport to="body">
-      <BookDockFileSheet v-if="selectedFile" :file="selectedFile" @close="closeSheet" @discarded="onDiscarded" @updated="onFileUpdated" />
+      <BookDockFileSheet v-if="selectedFile" :file="selectedFile" @close="closeSheet" @discard="handleSheetDiscard" @updated="onFileUpdated" />
     </Teleport>
 
     <BookDockFinalizeDialog
@@ -647,6 +688,14 @@ onUnmounted(() => {
       @close="showSetDestinationDialog = false"
       @updated="onDestinationSet"
     />
+
+    <BookDockDiscardDialog
+      v-if="pendingDiscard"
+      :selection-payload="pendingDiscard.selectionPayload"
+      :selection-count="pendingDiscard.selectionCount"
+      @close="closeDiscardDialog"
+      @discarded="handleDiscarded"
+    />
   </div>
 </template>