feat: add deprecate command with custom reason

app/components/Package/DeprecatePackageModal.vue

@@ -0,0 +1,177 @@
+<script setup lang="ts">
+import type { NewOperation } from '~/composables/useConnector'
+
+const props = withDefaults(
+  defineProps<{
+    packageName: string
+    version?: string
+  }>(),
+  { version: '' },
+)
+
+const { t } = useI18n()
+const { isConnected, state, addOperation, approveOperation, executeOperations, refreshState } =
+  useConnector()
+
+const deprecateMessage = ref('')
+const deprecateVersion = ref(props.version)
+const isDeprecating = shallowRef(false)
+const deprecateSuccess = shallowRef(false)
+const deprecateError = shallowRef<string | null>(null)
+
+const connectorModal = useModal('connector-modal')
+
+const modalTitle = computed(() =>
+  deprecateVersion.value
+    ? `${$t('package.deprecation.modal.title')} ${props.packageName}@${deprecateVersion.value}`
+    : `${$t('package.deprecation.modal.title')} ${props.packageName}`,
+)
+
+async function handleDeprecate() {
+  const message = deprecateMessage.value.trim()
+  if (!message || !isConnected.value) return
+
+  isDeprecating.value = true
+  deprecateError.value = null
+
+  try {
+    const params: Record<string, string> = {
+      pkg: props.packageName,
+      message,
+    }
+    if (deprecateVersion.value.trim()) {
+      params.version = deprecateVersion.value.trim()
+    }
+
+    const escapedMessage = message.replace(/"/g, '\\"')
+    const command = params.version
+      ? `npm deprecate ${props.packageName}@${params.version} "${escapedMessage}"`
+      : `npm deprecate ${props.packageName} "${escapedMessage}"`
+
+    const operation = await addOperation({
+      type: 'package:deprecate',
+      params,
+      description: params.version
+        ? `Deprecate ${props.packageName}@${params.version}`
+        : `Deprecate ${props.packageName}`,
+      command,
+    } as NewOperation)
+
+    if (!operation) {
+      throw new Error('Failed to create operation')
+    }
+
+    await approveOperation(operation.id)
+    await executeOperations()
+    await refreshState()
+
+    const completedOp = state.value.operations.find(op => op.id === operation.id)
+    if (completedOp?.status === 'completed') {
+      deprecateSuccess.value = true
+    } else if (completedOp?.status === 'failed') {
+      if (completedOp.result?.requiresOtp) {
+        close()
+        connectorModal.open()
+      } else {
+        deprecateError.value = completedOp.result?.stderr || t('common.try_again')
+      }
+    } else {
+      close()
+      connectorModal.open()
+    }
+  } catch (err) {
+    deprecateError.value = err instanceof Error ? err.message : t('common.try_again')
+  } finally {
+    isDeprecating.value = false
+  }
+}
+
+const dialogRef = ref<HTMLDialogElement>()
+
+function open() {
+  deprecateError.value = null
+  deprecateSuccess.value = false
+  deprecateMessage.value = ''
+  deprecateVersion.value = props.version ?? ''
+  dialogRef.value?.showModal()
+}
+
+function close() {
+  dialogRef.value?.close()
+}
+
+defineExpose({ open, close })
+</script>
+
+<template>
+  <Modal ref="dialogRef" :modal-title="modalTitle" id="deprecate-package-modal" class="max-w-md">
+    <!-- Success state -->
+    <div v-if="deprecateSuccess" class="space-y-4">
+      <div
+        class="flex items-center gap-3 p-4 bg-green-500/10 border border-green-500/20 rounded-lg"
+      >
+        <span class="i-carbon-checkmark-filled text-green-500 w-6 h-6" aria-hidden="true" />
+        <div>
+          <p class="font-mono text-sm text-fg">{{ $t('package.deprecation.modal.success') }}</p>
+          <p class="text-xs text-fg-muted">
+            {{ $t('package.deprecation.modal.success_detail') }}
+          </p>
+        </div>
+      </div>
+      <button
+        type="button"
+        class="w-full px-4 py-2 font-mono text-sm text-fg-muted bg-bg-subtle border border-border rounded-md transition-colors duration-200 hover:text-fg hover:border-border-hover focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-fg/50"
+        @click="close"
+      >
+        {{ $t('common.close') }}
+      </button>
+    </div>
+
+    <!-- Form (only shown when connected; parent only opens modal when isConnected) -->
+    <div v-else class="space-y-4">
+      <div>
+        <label for="deprecate-message" class="block text-sm font-medium text-fg mb-1">
+          {{ $t('package.deprecation.modal.reason') }}
+        </label>
+        <textarea
+          id="deprecate-message"
+          v-model="deprecateMessage"
+          rows="3"
+          class="w-full px-3 py-2 font-mono text-sm bg-bg border border-border rounded-md text-fg placeholder:text-fg-muted focus:outline-none focus:ring-2 focus:ring-fg/50"
+          :placeholder="$t('package.deprecation.modal.reason_placeholder')"
+        />
+      </div>
+      <div>
+        <label for="deprecate-version" class="block text-sm font-medium text-fg mb-1">
+          {{ $t('package.deprecation.modal.version') }}
+        </label>
+        <input
+          id="deprecate-version"
+          v-model="deprecateVersion"
+          type="text"
+          class="w-full px-3 py-2 font-mono text-sm bg-bg border border-border rounded-md text-fg placeholder:text-fg-muted focus:outline-none focus:ring-2 focus:ring-fg/50"
+          :placeholder="$t('package.deprecation.modal.version_placeholder')"
+        />
+      </div>
+      <div
+        v-if="deprecateError"
+        role="alert"
+        class="p-3 text-sm text-red-400 bg-red-500/10 border border-red-500/20 rounded-md"
+      >
+        {{ deprecateError }}
+      </div>
+      <button
+        type="button"
+        :disabled="isDeprecating || !deprecateMessage.trim()"
+        class="w-full px-4 py-2 font-mono text-sm text-bg bg-fg rounded-md transition-colors duration-200 hover:bg-fg/90 disabled:opacity-50 disabled:cursor-not-allowed focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-fg/50"
+        @click="handleDeprecate"
+      >
+        {{
+          isDeprecating
+            ? $t('package.deprecation.modal.deprecating')
+            : $t('package.deprecation.action')
+        }}
+      </button>
+    </div>
+  </Modal>
+</template>

app/pages/package/[...package].vue

@@ -225,6 +225,17 @@ const deprecationNoticeMessage = useMarkdown(() => ({
   text: deprecationNotice.value?.message ?? '',
 }))
 
+const { isConnected, npmUser } = useConnector()
+const deprecateModal = useTemplateRef<{ open: () => void }>('deprecateModal')
+
+const isPackageOwner = computed(() => {
+  const maintainers = pkg.value?.maintainers
+  const user = npmUser.value
+  if (!maintainers?.length || !user) return false
+  const userLower = user.toLowerCase()
+  return maintainers.some((m: { name?: string }) => (m.name ?? '').toLowerCase() === userLower)
+})
+
 const sizeTooltip = computed(() => {
   const chunks = [
     displayVersion.value &&
@@ -1228,6 +1239,22 @@ onKeyStroke(
             :peer-dependencies-meta="displayVersion.peerDependenciesMeta"
             :optional-dependencies="displayVersion.optionalDependencies"
           />
+
+          <!-- Deprecation (when connected as package owner) -->
+          <div v-if="isConnected && resolvedVersion && isPackageOwner" class="space-y-1">
+            <button
+              type="button"
+              class="flex items-center justify-center w-full px-3 py-1.5 bg-bg-subtle rounded text-sm font-mono text-red-400 hover:text-red-500 transition-colors inline-flex items-center gap-1.5 w-full"
+              @click="deprecateModal?.open()"
+            >
+              <span class="i-carbon-warning-alt w-4 h-4 shrink-0" aria-hidden="true" />
+              {{
+                deprecationNotice
+                  ? $t('package.deprecation.action_change')
+                  : $t('package.deprecation.action')
+              }}
+            </button>
+          </div>
         </div>
       </div>
     </article>
@@ -1246,6 +1273,14 @@ onKeyStroke(
       </p>
       <NuxtLink to="/" class="btn">{{ $t('common.go_back_home') }}</NuxtLink>
     </div>
+    <ClientOnly>
+      <PackageDeprecatePackageModal
+        v-if="pkg"
+        ref="deprecateModal"
+        :package-name="pkg.name"
+        :version="resolvedVersion ?? ''"
+      />
+    </ClientOnly>
   </main>
 </template>
 

cli/src/npm-client.ts

@@ -431,3 +431,40 @@ export async function packageInit(
     })
   }
 }
+
+/**
+ * Deprecate a package or a specific version with a custom message.
+ * @param pkg Package name (e.g. "vue" or "@nuxt/kit")
+ * @param reason Deprecation message shown to users
+ * @param version Optional version to deprecate (e.g. "1.0.0"); if omitted, deprecates the whole package
+ * @param options.dryRun If true, passes --dry-run to npm (report what would be done without making changes)
+ * @param options.registry Registry URL (e.g. "https://registry.npmjs.org"); if set, passes --registry
+ */
+export async function packageDeprecate(
+  pkg: string,
+  reason: string,
+  version?: string,
+  otp?: string,
+  options?: { dryRun?: boolean; registry?: string },
+): Promise<NpmExecResult> {
+  validatePackageName(pkg)
+
+  const reasonText = reason.trim()
+
+  if (!reasonText) {
+    throw new Error('Deprecation reason must not be empty')
+  }
+
+  const target = version ? `${pkg}@${version}` : pkg
+  const args = ['deprecate', target, reason]
+
+  if (options?.dryRun) {
+    args.push('--dry-run')
+  }
+
+  if (options?.registry?.trim()) {
+    args.push('--registry', options.registry.trim())
+  }
+
+  return execNpm(args, { otp })
+}

cli/src/schemas.ts

@@ -109,6 +109,7 @@ export const OperationTypeSchema = v.picklist([
   'owner:add',
   'owner:rm',
   'package:init',
+  'package:deprecate',
 ])
 
 /**
@@ -240,6 +241,18 @@ export const PackageInitParamsSchema = v.object({
   author: v.optional(UsernameSchema),
 })
 
+const PackageDeprecateParamsSchema = v.object({
+  pkg: PackageNameSchema,
+  message: v.pipe(
+    v.string(),
+    v.nonEmpty('Deprecation message is required'),
+    v.maxLength(500, 'Message is too long'),
+  ),
+  version: v.optional(v.pipe(v.string(), v.nonEmpty())),
+  dryRun: v.optional(v.picklist(['true', 'false'], 'dryRun must be "true" or "false"')),
+  registry: v.optional(v.pipe(v.string(), v.minLength(1, 'Registry URL cannot be empty'))),
+})
+
 // ============================================================================
 // Helper Functions
 // ============================================================================
@@ -289,6 +302,9 @@ export function validateOperationParams(
     case 'package:init':
       v.parse(PackageInitParamsSchema, params)
       break
+    case 'package:deprecate':
+      v.parse(PackageDeprecateParamsSchema, params)
+      break
   }
 }
 

cli/src/server.ts

@@ -23,6 +23,7 @@ import {
   ownerAdd,
   ownerRemove,
   packageInit,
+  packageDeprecate,
   listUserPackages,
   type NpmExecResult,
 } from './npm-client.ts'
@@ -734,6 +735,14 @@ async function executeOperation(op: PendingOperation, otp?: string): Promise<Npm
       return ownerRemove(params.user, params.pkg, otp)
     case 'package:init':
       return packageInit(params.name, params.author, otp)
+    case 'package:deprecate': {
+      const dryRun = params.dryRun === 'true'
+      const registry = params.registry?.trim() ?? undefined
+      return packageDeprecate(params.pkg, params.message, params.version, otp, {
+        dryRun: dryRun ?? undefined,
+        registry,
+      })
+    }
     default:
       return {
         stdout: '',

cli/src/types.ts

@@ -24,6 +24,7 @@ export type OperationType =
   | 'owner:add'
   | 'owner:rm'
   | 'package:init'
+  | 'package:deprecate'
 
 export type OperationStatus =
   | 'pending'

i18n/locales/en.json

@@ -128,9 +128,22 @@
     "navigation": "Package",
     "copy_name": "Copy package name",
     "deprecation": {
+      "action": "Deprecate",
+      "action_change": "Change deprecation",
       "package": "This package has been deprecated.",
       "version": "This version has been deprecated.",
-      "no_reason": "No reason provided"
+      "no_reason": "No reason provided",
+      "modal": {
+        "deprecating": "Deprecating",
+        "title": "Deprecate",
+        "title_version": "Deprecate Version",
+        "reason": "Reason",
+        "reason_placeholder": "e.g. Use package-x instead. This package is no longer maintained.",
+        "success": "Package deprecated",
+        "success_detail": "The package has been deprecated.",
+        "version": "Version",
+        "version_placeholder": "Leave empty to deprecate the whole package"
+      }
     },
     "replacement": {
       "title": "You might not need this dependency.",

i18n/locales/zh-CN.json

@@ -124,9 +124,22 @@
     "navigation": "包导航",
     "copy_name": "拷贝包名",
     "deprecation": {
+      "action": "废弃",
+      "action_change": "修改弃用",
       "package": "这个包已经被弃用。",
       "version": "这个版本已经被弃用。",
-      "no_reason": "没有提供原因"
+      "no_reason": "没有提供原因",
+      "modal": {
+        "deprecating": "废弃中",
+        "title": "废弃",
+        "title_version": "废弃版本",
+        "reason": "原因",
+        "reason_placeholder": "例如：使用 package-x 替代。这个包不再维护。",
+        "success": "包已废弃",
+        "success_detail": "这个包已废弃。",
+        "version": "版本",
+        "version_placeholder": "留空则废弃整个包"
+      }
     },
     "replacement": {
       "title": "你可能不需要这个依赖。",