diff --git a/packages/app-shell/src/views/metadata-admin/i18n.ts b/packages/app-shell/src/views/metadata-admin/i18n.ts
index 477f24dbb..76bffbfe6 100644
--- a/packages/app-shell/src/views/metadata-admin/i18n.ts
+++ b/packages/app-shell/src/views/metadata-admin/i18n.ts
@@ -632,10 +632,7 @@ const ENGINE_STRINGS_EN: Record<string, string> = {
   'engine.packages.create.title': 'New Package',
   'engine.packages.create.description': 'Create a project-scoped package to author and publish your own metadata. The id should be reverse-domain (e.g. {example}).',
   'engine.packages.create.id': 'Package ID',
-  'engine.packages.create.idInvalid': 'Use letters, numbers, dot, dash or underscore (2–255 chars).',
   'engine.packages.create.namespace': 'Object namespace',
-  'engine.packages.create.namespaceHint': 'All object names will start with `{ns}_` (e.g. leave_request).',
-  'engine.packages.create.namespaceInvalid': 'Use 2–20 chars: a lowercase letter, then letters, digits or underscore.',
   'engine.packages.create.name': 'Display name',
   'engine.packages.create.version': 'Version',
   'engine.packages.create.versionInvalid': 'Use semantic version, e.g. 0.1.0',
@@ -1045,7 +1042,6 @@ const ENGINE_STRINGS_EN: Record<string, string> = {
   'engine.studio.landing.dupIdPlaceholder': 'Copy package ID',
   'engine.studio.landing.dupGo': 'Duplicate and open the builder',
   'engine.studio.landing.dupCreated': 'Duplicated into writable package “{name}”',
-  'engine.studio.landing.createGo': 'Create and start building',
   'engine.studio.landing.installedHeading': 'Installed (read-only · browsable)',
   'engine.studio.designer.search': 'Search…',
   'engine.studio.designer.select': 'Select…',
@@ -1167,14 +1163,8 @@ const ENGINE_STRINGS_EN: Record<string, string> = {
   'engine.studio.pkg.writable': 'Writable',
   'engine.studio.pkg.heading': 'Packages (apps)',
   'engine.studio.pkg.none': 'No app packages yet',
-  'engine.studio.pkg.namePlaceholder': 'Name (e.g. Repair Center)',
-  'engine.studio.pkg.idPlaceholder': 'Package ID (e.g. com.example.repairs)',
-  'engine.studio.pkg.namespacePlaceholder': 'Namespace (e.g. repairs)',
-  'engine.studio.pkg.namespaceHint': 'All object names will start with `{ns}_` (e.g. leave_request).',
-  'engine.studio.pkg.namespaceInvalid': 'Use 2–20 chars: a lowercase letter, then letters, digits or underscore.',
   'engine.studio.pkg.idStrippedNotice': 'Unsupported characters were removed — allowed: lowercase letters, digits, dots, hyphens, underscores',
   'engine.studio.pkg.idFormatHint': 'Use a reverse-domain identifier with at least one dot, e.g. com.example.myapp',
-  'engine.studio.pkg.idFromNameUnavailable': 'No identifier could be suggested from this name — type one below (e.g. com.example.myapp)',
   'engine.studio.pkg.createWritable': 'Create writable package',
   'engine.studio.pkg.new': 'New package (writable base)',
   'engine.studio.pkg.created': 'Package {name} created (writable)',
@@ -1938,10 +1928,7 @@ const ENGINE_STRINGS_ZH: Record<string, string> = {
   'engine.packages.create.title': '新建软件包',
   'engine.packages.create.description': '创建项目范围的软件包，用来编写并发布自己的元数据。ID 建议使用反向域名格式（例如 {example}）。',
   'engine.packages.create.id': '软件包 ID',
-  'engine.packages.create.idInvalid': '只能使用字母、数字、点、短横线或下划线（2–255 个字符）。',
   'engine.packages.create.namespace': '对象命名空间',
-  'engine.packages.create.namespaceHint': '所有对象名将以 `{ns}_` 开头(如 leave_request)。',
-  'engine.packages.create.namespaceInvalid': '请使用 2–20 个字符:以小写字母开头,其后为字母、数字或下划线。',
   'engine.packages.create.name': '显示名称',
   'engine.packages.create.version': '版本',
   'engine.packages.create.versionInvalid': '请使用语义化版本号，例如 0.1.0',
@@ -2347,7 +2334,6 @@ const ENGINE_STRINGS_ZH: Record<string, string> = {
   'engine.studio.landing.dupIdPlaceholder': '副本包 ID',
   'engine.studio.landing.dupGo': '复制并进入构建器',
   'engine.studio.landing.dupCreated': '已复制为可写软件包「{name}」',
-  'engine.studio.landing.createGo': '创建并开始构建',
   'engine.studio.landing.installedHeading': '已安装(只读 · 可浏览)',
   'engine.studio.designer.search': '搜索…',
   'engine.studio.designer.select': '请选择…',
@@ -2469,14 +2455,8 @@ const ENGINE_STRINGS_ZH: Record<string, string> = {
   'engine.studio.pkg.writable': '可写',
   'engine.studio.pkg.heading': '软件包(应用)',
   'engine.studio.pkg.none': '暂无应用软件包',
-  'engine.studio.pkg.namePlaceholder': '名称(如:维修中心)',
-  'engine.studio.pkg.idPlaceholder': '包 ID(如:com.example.repairs)',
-  'engine.studio.pkg.namespacePlaceholder': '命名空间(如:repairs)',
-  'engine.studio.pkg.namespaceHint': '所有对象名将以 `{ns}_` 开头(如 leave_request)。',
-  'engine.studio.pkg.namespaceInvalid': '请使用 2–20 个字符:以小写字母开头,其后为字母、数字或下划线。',
   'engine.studio.pkg.idStrippedNotice': '已移除不支持的字符——仅允许小写字母、数字、点、连字符和下划线',
   'engine.studio.pkg.idFormatHint': '请使用带至少一个点的反向域名标识,如 com.example.myapp',
-  'engine.studio.pkg.idFromNameUnavailable': '无法从该名称生成标识,请在下方手动输入(如 com.example.myapp)',
   'engine.studio.pkg.createWritable': '创建可写软件包',
   'engine.studio.pkg.new': '新建软件包(可写 base)',
   'engine.studio.pkg.created': '软件包 {name} 已创建(可写)',
diff --git a/packages/app-shell/src/views/studio-design/PackageIdInput.test.tsx b/packages/app-shell/src/views/studio-design/PackageIdInput.test.tsx
index 13567a1fe..1e32c4649 100644
--- a/packages/app-shell/src/views/studio-design/PackageIdInput.test.tsx
+++ b/packages/app-shell/src/views/studio-design/PackageIdInput.test.tsx
@@ -5,7 +5,7 @@ import * as React from 'react';
 import { afterEach, describe, expect, it, vi } from 'vitest';
 import { render, screen, fireEvent, cleanup } from '@testing-library/react';
 import { sanitizePackageId, PACKAGE_ID_RE } from './packages-io';
-import { PackageIdInput, PackageIdSuggestionHint } from './PackageIdInput';
+import { PackageIdInput } from './PackageIdInput';
 
 afterEach(cleanup);
 
@@ -66,12 +66,3 @@ describe('PackageIdInput', () => {
     expect(screen.queryByTestId('pkg-id-stripped')).not.toBeInTheDocument();
   });
 });
-
-describe('PackageIdSuggestionHint', () => {
-  it('renders only when shown (CJK name yielded no suggestion)', () => {
-    const { rerender } = render(<PackageIdSuggestionHint show={false} />);
-    expect(screen.queryByTestId('pkg-id-manual-hint')).not.toBeInTheDocument();
-    rerender(<PackageIdSuggestionHint show />);
-    expect(screen.getByTestId('pkg-id-manual-hint')).toBeInTheDocument();
-  });
-});
diff --git a/packages/app-shell/src/views/studio-design/PackageIdInput.tsx b/packages/app-shell/src/views/studio-design/PackageIdInput.tsx
index c96b356ad..f3b1bde71 100644
--- a/packages/app-shell/src/views/studio-design/PackageIdInput.tsx
+++ b/packages/app-shell/src/views/studio-design/PackageIdInput.tsx
@@ -1,9 +1,10 @@
 // Copyright (c) 2025 ObjectStack. Licensed under the Apache-2.0 license.
 
 /**
- * Package-identifier input shared by the three package wizards (switcher
- * create, landing create, landing duplicate). Fixes the dogfood wizard
- * findings (framework#2615 P2): illegal characters are still normalized
+ * Package-identifier input used by the landing "duplicate package" form.
+ * (Package create/edit now runs through the spec-driven PackageFormDialog.)
+ * Fixes the dogfood wizard findings (framework#2615 P2): illegal characters
+ * are still normalized
  * away, but no longer silently — a notice says so — and while the value
  * doesn't parse as a package id yet, an inline hint spells out the
  * reverse-domain format instead of leaving the user staring at a disabled
@@ -72,23 +73,3 @@ export function PackageIdInput({
     </div>
   );
 }
-
-/**
- * Hint under the display-name input when the name yields no identifier
- * suggestion (CJK-only names slug to nothing) — say the id must be typed
- * manually instead of leaving the id box silently empty.
- */
-export function PackageIdSuggestionHint({
-  show,
-  locale,
-}: {
-  show: boolean;
-  locale?: string;
-}): React.ReactElement | null {
-  if (!show) return null;
-  return (
-    <p className="text-[10px] text-muted-foreground" data-testid="pkg-id-manual-hint">
-      {t('engine.studio.pkg.idFromNameUnavailable', locale)}
-    </p>
-  );
-}
diff --git a/packages/app-shell/src/views/studio-design/packages-io.ts b/packages/app-shell/src/views/studio-design/packages-io.ts
index 06c46af42..4f70bbf46 100644
--- a/packages/app-shell/src/views/studio-design/packages-io.ts
+++ b/packages/app-shell/src/views/studio-design/packages-io.ts
@@ -54,28 +54,6 @@ export async function fetchPackages(): Promise<PkgEntry[]> {
   return parsePackages(await res.json());
 }
 
-/**
- * Create a writable base package (POST /packages {id, name, namespace?}).
- *
- * `namespace` is the object-name prefix (framework#2694). The framework
- * back-derives it from the id when omitted, but sending it explicitly keeps the
- * authored value (which the user may have edited) authoritative.
- */
-export async function createBasePackage(id: string, name: string, namespace?: string): Promise<void> {
-  const res = await fetch('/api/v1/packages', {
-    method: 'POST',
-    credentials: 'include',
-    headers: { 'Content-Type': 'application/json', Accept: 'application/json' },
-    body: JSON.stringify({ id, name, ...(namespace ? { namespace } : {}) }),
-  });
-  const payload = (await res.json().catch(() => null)) as
-    | { success?: boolean; error?: { message?: string } }
-    | null;
-  if (!res.ok || payload?.success === false) {
-    throw new Error(payload?.error?.message || `HTTP ${res.status}`);
-  }
-}
-
 /**
  * Duplicate a package into a NEW writable base (ADR-0070 D4 — the Airtable
  * "duplicate base" gesture; POST /packages/:id/duplicate). This is how a