diff --git a/prisma/migrations/20260324120000_drop_project_mode/migration.sql b/prisma/migrations/20260324120000_drop_project_mode/migration.sql
new file mode 100644
index 0000000..a4b66db
--- /dev/null
+++ b/prisma/migrations/20260324120000_drop_project_mode/migration.sql
@@ -0,0 +1,2 @@
+ALTER TABLE `projects`
+  DROP COLUMN `mode`;
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 408766e..a517ed0 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -353,7 +353,6 @@ model Project {
   id                 String                 @id @default(uuid())
   name               String
   description        String?                @db.Text
-  mode               String                 @default("novel-promotion")
   userId             String
   createdAt          DateTime               @default(now())
   updatedAt          DateTime               @default(now()) @updatedAt
diff --git a/prisma/schema.sqlit.prisma b/prisma/schema.sqlit.prisma
index d4f5edb..0af064e 100644
--- a/prisma/schema.sqlit.prisma
+++ b/prisma/schema.sqlit.prisma
@@ -347,7 +347,6 @@ model Project {
   id                 String                 @id @default(uuid())
   name               String
   description        String?
-  mode               String                 @default("novel-promotion")
   userId             String
   createdAt          DateTime               @default(now())
   updatedAt          DateTime               @default(now()) @updatedAt
diff --git a/src/app/[locale]/workspace/page.tsx b/src/app/[locale]/workspace/page.tsx
index 825b16f..69201bf 100644
--- a/src/app/[locale]/workspace/page.tsx
+++ b/src/app/[locale]/workspace/page.tsx
@@ -155,10 +155,7 @@ export default function WorkspacePage() {
         headers: {
           'Content-Type': 'application/json'
         },
-        body: JSON.stringify({
-          ...formData,
-          mode: 'novel-promotion' // 固定为 novel-promotion
-        })
+        body: JSON.stringify(formData)
       })
 
       if (response.ok) {
diff --git a/src/app/api/novel-promotion/[projectId]/ai-modify-shot-prompt/route.ts b/src/app/api/novel-promotion/[projectId]/ai-modify-shot-prompt/route.ts
index 3855945..2cc9515 100644
--- a/src/app/api/novel-promotion/[projectId]/ai-modify-shot-prompt/route.ts
+++ b/src/app/api/novel-promotion/[projectId]/ai-modify-shot-prompt/route.ts
@@ -11,7 +11,7 @@ export const POST = apiHandler(async (
   const { projectId } = await context.params
   const authResult = await requireProjectAuth(projectId)
   if (isErrorResponse(authResult)) return authResult
-  const { session, project } = authResult
+  const { session } = authResult
 
   const body = await request.json().catch(() => ({}))
   const currentPrompt = typeof body?.currentPrompt === 'string' ? body.currentPrompt.trim() : ''
@@ -19,10 +19,6 @@ export const POST = apiHandler(async (
   if (!currentPrompt || !modifyInstruction) {
     throw new ApiError('INVALID_PARAMS')
   }
-  if (project.mode !== 'novel-promotion') {
-    throw new ApiError('INVALID_PARAMS')
-  }
-
   const panelId = typeof body?.panelId === 'string' ? body.panelId.trim() : ''
   const episodeId = typeof body?.episodeId === 'string' ? body.episodeId.trim() : ''
 
diff --git a/src/app/api/novel-promotion/[projectId]/analyze-global/route.ts b/src/app/api/novel-promotion/[projectId]/analyze-global/route.ts
index 61fb559..594eeaf 100644
--- a/src/app/api/novel-promotion/[projectId]/analyze-global/route.ts
+++ b/src/app/api/novel-promotion/[projectId]/analyze-global/route.ts
@@ -14,13 +14,9 @@ export const POST = apiHandler(async (
   const { projectId } = await context.params
   const authResult = await requireProjectAuth(projectId)
   if (isErrorResponse(authResult)) return authResult
-  const { session, project } = authResult
+  const { session } = authResult
   const body = await request.json().catch(() => ({}))
 
-  if (project.mode !== 'novel-promotion') {
-    throw new ApiError('INVALID_PARAMS')
-  }
-
   const asyncTaskResponse = await maybeSubmitLLMTask({
     request,
     userId: session.user.id,
diff --git a/src/app/api/novel-promotion/[projectId]/analyze/route.ts b/src/app/api/novel-promotion/[projectId]/analyze/route.ts
index f479f6c..bf4c753 100644
--- a/src/app/api/novel-promotion/[projectId]/analyze/route.ts
+++ b/src/app/api/novel-promotion/[projectId]/analyze/route.ts
@@ -16,11 +16,7 @@ export const POST = apiHandler(async (
     include: { characters: true, locations: true },
   })
   if (isErrorResponse(authResult)) return authResult
-  const { session, project } = authResult
-
-  if (project.mode !== 'novel-promotion') {
-    throw new ApiError('INVALID_PARAMS')
-  }
+  const { session } = authResult
 
   const asyncTaskResponse = await maybeSubmitLLMTask({
     request,
diff --git a/src/app/api/novel-promotion/[projectId]/clips/route.ts b/src/app/api/novel-promotion/[projectId]/clips/route.ts
index c01ab51..69ba8f3 100644
--- a/src/app/api/novel-promotion/[projectId]/clips/route.ts
+++ b/src/app/api/novel-promotion/[projectId]/clips/route.ts
@@ -24,11 +24,7 @@ export const POST = apiHandler(async (
     include: { characters: true, locations: true },
   })
   if (isErrorResponse(authResult)) return authResult
-  const { session, project } = authResult
-
-  if (project.mode !== 'novel-promotion') {
-    throw new ApiError('INVALID_PARAMS')
-  }
+  const { session } = authResult
 
   const asyncTaskResponse = await maybeSubmitLLMTask({
     request,
diff --git a/src/app/api/novel-promotion/[projectId]/episodes/split/route.ts b/src/app/api/novel-promotion/[projectId]/episodes/split/route.ts
index f11bd05..7e9c285 100644
--- a/src/app/api/novel-promotion/[projectId]/episodes/split/route.ts
+++ b/src/app/api/novel-promotion/[projectId]/episodes/split/route.ts
@@ -14,11 +14,7 @@ export const POST = apiHandler(async (
   const { projectId } = await params
   const authResult = await requireProjectAuthLight(projectId)
   if (isErrorResponse(authResult)) return authResult
-  const { session, project } = authResult
-
-  if (project.mode !== 'novel-promotion') {
-    throw new ApiError('INVALID_PARAMS')
-  }
+  const { session } = authResult
 
   const body = await request.json().catch(() => ({}))
   const content = typeof body?.content === 'string' ? body.content : ''
diff --git a/src/app/api/novel-promotion/[projectId]/route.ts b/src/app/api/novel-promotion/[projectId]/route.ts
index 2adb988..bedea06 100644
--- a/src/app/api/novel-promotion/[projectId]/route.ts
+++ b/src/app/api/novel-promotion/[projectId]/route.ts
@@ -276,10 +276,6 @@ export const PATCH = apiHandler(async (
 
   const body = await request.json()
 
-  if (project.mode !== 'novel-promotion') {
-    throw new ApiError('INVALID_PARAMS')
-  }
-
   const currentProjectConfig = await prisma.novelPromotionProject.findUnique({
     where: { projectId },
     select: {
diff --git a/src/app/api/novel-promotion/[projectId]/screenplay-conversion/route.ts b/src/app/api/novel-promotion/[projectId]/screenplay-conversion/route.ts
index 77155ce..6389436 100644
--- a/src/app/api/novel-promotion/[projectId]/screenplay-conversion/route.ts
+++ b/src/app/api/novel-promotion/[projectId]/screenplay-conversion/route.ts
@@ -22,11 +22,7 @@ export const POST = apiHandler(async (
 
   const authResult = await requireProjectAuth(projectId)
   if (isErrorResponse(authResult)) return authResult
-  const { session, project } = authResult
-
-  if (project.mode !== 'novel-promotion') {
-    throw new ApiError('INVALID_PARAMS')
-  }
+  const { session } = authResult
 
   const asyncTaskResponse = await maybeSubmitLLMTask({
     request,
diff --git a/src/app/api/novel-promotion/[projectId]/script-to-storyboard-stream/route.ts b/src/app/api/novel-promotion/[projectId]/script-to-storyboard-stream/route.ts
index b01492d..8e6e42d 100644
--- a/src/app/api/novel-promotion/[projectId]/script-to-storyboard-stream/route.ts
+++ b/src/app/api/novel-promotion/[projectId]/script-to-storyboard-stream/route.ts
@@ -22,11 +22,7 @@ export const POST = apiHandler(async (
     include: { characters: true, locations: true },
   })
   if (isErrorResponse(authResult)) return authResult
-  const { session, project } = authResult
-
-  if (project.mode !== 'novel-promotion') {
-    throw new ApiError('INVALID_PARAMS')
-  }
+  const { session } = authResult
 
   const asyncTaskResponse = await maybeSubmitLLMTask({
     request,
diff --git a/src/app/api/novel-promotion/[projectId]/story-to-script-stream/route.ts b/src/app/api/novel-promotion/[projectId]/story-to-script-stream/route.ts
index 8076824..3622c50 100644
--- a/src/app/api/novel-promotion/[projectId]/story-to-script-stream/route.ts
+++ b/src/app/api/novel-promotion/[projectId]/story-to-script-stream/route.ts
@@ -26,11 +26,7 @@ export const POST = apiHandler(async (
     include: { characters: true, locations: true },
   })
   if (isErrorResponse(authResult)) return authResult
-  const { session, project } = authResult
-
-  if (project.mode !== 'novel-promotion') {
-    throw new ApiError('INVALID_PARAMS')
-  }
+  const { session } = authResult
 
   const asyncTaskResponse = await maybeSubmitLLMTask({
     request,
diff --git a/src/app/api/novel-promotion/[projectId]/voice-analyze/route.ts b/src/app/api/novel-promotion/[projectId]/voice-analyze/route.ts
index b694ce0..6122376 100644
--- a/src/app/api/novel-promotion/[projectId]/voice-analyze/route.ts
+++ b/src/app/api/novel-promotion/[projectId]/voice-analyze/route.ts
@@ -22,11 +22,7 @@ export const POST = apiHandler(async (
 
   const authResult = await requireProjectAuthLight(projectId)
   if (isErrorResponse(authResult)) return authResult
-  const { session, project } = authResult
-
-  if (project.mode !== 'novel-promotion') {
-    throw new ApiError('INVALID_PARAMS')
-  }
+  const { session } = authResult
 
   const asyncTaskResponse = await maybeSubmitLLMTask({
     request,
diff --git a/src/app/api/projects/[projectId]/route.ts b/src/app/api/projects/[projectId]/route.ts
index 9b2d0de..afb2cf1 100644
--- a/src/app/api/projects/[projectId]/route.ts
+++ b/src/app/api/projects/[projectId]/route.ts
@@ -44,8 +44,8 @@ export const GET = apiHandler(async (
     data: { lastAccessedAt: new Date() }
   }).catch(err => _ulogError('更新访问时间失败:', err))
 
-  // 这个API只返回基础项目信息
-  // 模式特定的数据应该通过各自的API获取（如 /api/novel-promotion/[projectId]）
+  // 这个 API 只返回基础项目信息
+  // 项目附属业务数据通过各自的 API 获取（如 /api/novel-promotion/[projectId]）
   const projectWithSignedUrls = addSignedUrlsToProject(project)
 
   return NextResponse.json({ project: projectWithSignedUrls })
diff --git a/src/app/api/projects/route.ts b/src/app/api/projects/route.ts
index 65f7ccc..9a40276 100644
--- a/src/app/api/projects/route.ts
+++ b/src/app/api/projects/route.ts
@@ -188,12 +188,11 @@ export const POST = apiHandler(async (request: NextRequest) => {
     where: { userId: session.user.id }
   })
 
-  // 创建基础项目（mode 固定为 novel-promotion）
+  // 创建基础项目
   const project = await prisma.project.create({
     data: {
       name: name.trim(),
       description: description?.trim() || null,
-      mode: 'novel-promotion',
       userId: session.user.id
     }
   })
diff --git a/src/lib/home/create-project-launch.ts b/src/lib/home/create-project-launch.ts
index 35b19a2..2f1ca32 100644
--- a/src/lib/home/create-project-launch.ts
+++ b/src/lib/home/create-project-launch.ts
@@ -113,7 +113,6 @@ export async function createHomeProjectLaunch({
     body: JSON.stringify({
       name: projectName,
       description: storyText,
-      mode: 'novel-promotion',
     }),
   })
 
diff --git a/src/lib/modes.ts b/src/lib/modes.ts
deleted file mode 100644
index f4e147a..0000000
--- a/src/lib/modes.ts
+++ /dev/null
@@ -1,29 +0,0 @@
-import { ProjectMode } from '@/types/project'
-
-// 重新导出 ProjectMode 类型，方便其他文件使用
-export type { ProjectMode }
-
-export interface ModeConfig {
-  id: ProjectMode
-  name: string
-  description: string
-  icon: string
-  color: string
-  available: boolean
-}
-
-export const PROJECT_MODE: ModeConfig = {
-  id: 'novel-promotion',
-  name: '小说推文',
-  description: '从小说生成推广短视频',
-  icon: 'N',
-  color: 'purple',
-  available: true
-}
-
-// 为了兼容性保留
-export const PROJECT_MODES: ModeConfig[] = [PROJECT_MODE]
-
-export function getModeConfig(mode: ProjectMode): ModeConfig | undefined {
-  return mode === 'novel-promotion' ? PROJECT_MODE : undefined
-}
diff --git a/src/lib/workers/handlers/analyze-global.ts b/src/lib/workers/handlers/analyze-global.ts
index 7e7bb05..6b4e55a 100644
--- a/src/lib/workers/handlers/analyze-global.ts
+++ b/src/lib/workers/handlers/analyze-global.ts
@@ -30,15 +30,11 @@ export async function handleAnalyzeGlobalTask(job: Job<TaskJobData>) {
     where: { id: projectId },
     select: {
       id: true,
-      mode: true,
     },
   })
   if (!project) {
     throw new Error('Project not found')
   }
-  if (project.mode !== 'novel-promotion') {
-    throw new Error('Not a novel promotion project')
-  }
 
   const novelData = await prisma.novelPromotionProject.findUnique({
     where: { projectId },
diff --git a/src/lib/workers/handlers/analyze-novel.ts b/src/lib/workers/handlers/analyze-novel.ts
index 6f21972..d6638d7 100644
--- a/src/lib/workers/handlers/analyze-novel.ts
+++ b/src/lib/workers/handlers/analyze-novel.ts
@@ -49,15 +49,11 @@ export async function handleAnalyzeNovelTask(job: Job<TaskJobData>) {
     where: { id: projectId },
     select: {
       id: true,
-      mode: true,
     },
   })
   if (!project) {
     throw new Error('Project not found')
   }
-  if (project.mode !== 'novel-promotion') {
-    throw new Error('Not a novel promotion project')
-  }
 
   const novelData = await prisma.novelPromotionProject.findUnique({
     where: { projectId },
diff --git a/src/lib/workers/handlers/clips-build.ts b/src/lib/workers/handlers/clips-build.ts
index ce3fddc..701a87a 100644
--- a/src/lib/workers/handlers/clips-build.ts
+++ b/src/lib/workers/handlers/clips-build.ts
@@ -48,14 +48,11 @@ export async function handleClipsBuildTask(job: Job<TaskJobData>) {
 
   const project = await prisma.project.findUnique({
     where: { id: projectId },
-    select: { id: true, mode: true },
+    select: { id: true },
   })
   if (!project) {
     throw new Error('Project not found')
   }
-  if (project.mode !== 'novel-promotion') {
-    throw new Error('Not a novel promotion project')
-  }
 
   const novelData = await prisma.novelPromotionProject.findUnique({
     where: { projectId },
diff --git a/src/lib/workers/handlers/episode-split.ts b/src/lib/workers/handlers/episode-split.ts
index 9a78402..ae76d8d 100644
--- a/src/lib/workers/handlers/episode-split.ts
+++ b/src/lib/workers/handlers/episode-split.ts
@@ -67,15 +67,11 @@ export async function handleEpisodeSplitTask(job: Job<TaskJobData>) {
     where: { id: projectId },
     select: {
       id: true,
-      mode: true,
     },
   })
   if (!project) {
     throw new Error('Project not found')
   }
-  if (project.mode !== 'novel-promotion') {
-    throw new Error('Not a novel promotion project')
-  }
 
   const novelProject = await prisma.novelPromotionProject.findFirst({
     where: { projectId },
diff --git a/src/lib/workers/handlers/screenplay-convert.ts b/src/lib/workers/handlers/screenplay-convert.ts
index 9992e1d..9660583 100644
--- a/src/lib/workers/handlers/screenplay-convert.ts
+++ b/src/lib/workers/handlers/screenplay-convert.ts
@@ -33,15 +33,11 @@ export async function handleScreenplayConvertTask(job: Job<TaskJobData>) {
     select: {
       id: true,
       name: true,
-      mode: true,
     },
   })
   if (!project) {
     throw new Error('Project not found')
   }
-  if (project.mode !== 'novel-promotion') {
-    throw new Error('Not a novel promotion project')
-  }
 
   const novelData = await prisma.novelPromotionProject.findUnique({
     where: { projectId },
diff --git a/src/lib/workers/handlers/script-to-storyboard.ts b/src/lib/workers/handlers/script-to-storyboard.ts
index 9dad208..d6a2a17 100644
--- a/src/lib/workers/handlers/script-to-storyboard.ts
+++ b/src/lib/workers/handlers/script-to-storyboard.ts
@@ -82,15 +82,11 @@ export async function handleScriptToStoryboardTask(job: Job<TaskJobData>) {
     select: {
       id: true,
       name: true,
-      mode: true,
     },
   })
   if (!project) {
     throw new Error('Project not found')
   }
-  if (project.mode !== 'novel-promotion') {
-    throw new Error('Not a novel promotion project')
-  }
 
   // Register project name for per-project log file routing
   onProjectNameAvailable(projectId, project.name)
diff --git a/src/lib/workers/handlers/story-to-script.ts b/src/lib/workers/handlers/story-to-script.ts
index 9700597..7119cc1 100644
--- a/src/lib/workers/handlers/story-to-script.ts
+++ b/src/lib/workers/handlers/story-to-script.ts
@@ -77,15 +77,11 @@ export async function handleStoryToScriptTask(job: Job<TaskJobData>) {
     select: {
       id: true,
       name: true,
-      mode: true,
     },
   })
   if (!project) {
     throw new Error('Project not found')
   }
-  if (project.mode !== 'novel-promotion') {
-    throw new Error('Not a novel promotion project')
-  }
 
   // Register project name for per-project log file routing
   onProjectNameAvailable(projectId, project.name)
diff --git a/src/lib/workers/handlers/voice-analyze.ts b/src/lib/workers/handlers/voice-analyze.ts
index b320871..111866b 100644
--- a/src/lib/workers/handlers/voice-analyze.ts
+++ b/src/lib/workers/handlers/voice-analyze.ts
@@ -36,15 +36,11 @@ export async function handleVoiceAnalyzeTask(job: Job<TaskJobData>) {
     where: { id: projectId },
     select: {
       id: true,
-      mode: true,
     },
   })
   if (!project) {
     throw new Error('Project not found')
   }
-  if (project.mode !== 'novel-promotion') {
-    throw new Error('Not a novel promotion project')
-  }
 
   const novelPromotionData = await prisma.novelPromotionProject.findUnique({
     where: { projectId },
diff --git a/src/types/project.ts b/src/types/project.ts
index babca69..5c6a032 100644
--- a/src/types/project.ts
+++ b/src/types/project.ts
@@ -1,10 +1,5 @@
 import type { CapabilitySelections } from '@/lib/model-config-contract'
 
-// ============================================
-// 项目模式类型
-// ============================================
-export type ProjectMode = 'novel-promotion'
-
 // ============================================
 // 基础项目类型
 // ============================================
@@ -12,7 +7,6 @@ export interface BaseProject {
   id: string
   name: string
   description: string | null
-  mode: ProjectMode
   userId: string
   createdAt: Date
   updatedAt: Date
diff --git a/tests/helpers/auth.ts b/tests/helpers/auth.ts
index 6f7bb7f..1fdcc7b 100644
--- a/tests/helpers/auth.ts
+++ b/tests/helpers/auth.ts
@@ -81,7 +81,7 @@ export function installAuthMocks() {
       if (state.projectAuthMode === 'not_found') return notFoundResponse()
       return {
         session: state.session,
-        project: { id: projectId, userId: state.session.user.id, name: 'project', mode: 'novel-promotion' },
+        project: { id: projectId, userId: state.session.user.id, name: 'project' },
         novelData: { id: 'novel-data-id' },
       }
     },
diff --git a/tests/helpers/fixtures.ts b/tests/helpers/fixtures.ts
index 3c14adb..55bb342 100644
--- a/tests/helpers/fixtures.ts
+++ b/tests/helpers/fixtures.ts
@@ -15,12 +15,11 @@ export async function createFixtureUser() {
   })
 }
 
-export async function createFixtureProject(userId: string, mode: 'novel-promotion' | 'general' = 'novel-promotion') {
+export async function createFixtureProject(userId: string) {
   const id = suffix()
   return await prisma.project.create({
     data: {
       userId,
-      mode,
       name: `project_${id}`,
     },
   })
diff --git a/tests/integration/api/contract/crud-routes.test.ts b/tests/integration/api/contract/crud-routes.test.ts
index b7b48f8..3950d8f 100644
--- a/tests/integration/api/contract/crud-routes.test.ts
+++ b/tests/integration/api/contract/crud-routes.test.ts
@@ -68,14 +68,14 @@ vi.mock('@/lib/api-auth', () => {
       if (!authState.authenticated) return unauthorized()
       return {
         session: { user: { id: 'user-1' } },
-        project: { id: projectId, userId: 'user-1', mode: 'novel-promotion' },
+        project: { id: projectId, userId: 'user-1' },
       }
     },
     requireProjectAuthLight: async (projectId: string) => {
       if (!authState.authenticated) return unauthorized()
       return {
         session: { user: { id: 'user-1' } },
-        project: { id: projectId, userId: 'user-1', mode: 'novel-promotion' },
+        project: { id: projectId, userId: 'user-1' },
       }
     },
   }
diff --git a/tests/integration/api/contract/direct-submit-routes.test.ts b/tests/integration/api/contract/direct-submit-routes.test.ts
index a8b3fbb..aa87197 100644
--- a/tests/integration/api/contract/direct-submit-routes.test.ts
+++ b/tests/integration/api/contract/direct-submit-routes.test.ts
@@ -4,7 +4,6 @@ import { buildMockRequest } from '../../../helpers/request'
 
 type AuthState = {
   authenticated: boolean
-  projectMode: 'novel-promotion' | 'other'
 }
 
 type SubmitResult = {
@@ -28,7 +27,6 @@ type DirectRouteCase = {
 
 const authState = vi.hoisted<AuthState>(() => ({
   authenticated: true,
-  projectMode: 'novel-promotion',
 }))
 
 const submitTaskMock = vi.hoisted(() => vi.fn<(...args: unknown[]) => Promise<SubmitResult>>())
@@ -218,14 +216,14 @@ vi.mock('@/lib/api-auth', () => {
       if (!authState.authenticated) return unauthorized()
       return {
         session: { user: { id: 'user-1' } },
-        project: { id: projectId, userId: 'user-1', mode: authState.projectMode },
+        project: { id: projectId, userId: 'user-1' },
       }
     },
     requireProjectAuthLight: async (projectId: string) => {
       if (!authState.authenticated) return unauthorized()
       return {
         session: { user: { id: 'user-1' } },
-        project: { id: projectId, userId: 'user-1', mode: authState.projectMode },
+        project: { id: projectId, userId: 'user-1' },
       }
     },
   }
@@ -534,7 +532,6 @@ describe('api contract - direct submit routes (behavior)', () => {
   beforeEach(() => {
     vi.clearAllMocks()
     authState.authenticated = true
-    authState.projectMode = 'novel-promotion'
     let seq = 0
     submitTaskMock.mockImplementation(async () => ({
       taskId: `task-${++seq}`,
diff --git a/tests/integration/api/contract/llm-observe-routes.test.ts b/tests/integration/api/contract/llm-observe-routes.test.ts
index 08f08b0..f94289f 100644
--- a/tests/integration/api/contract/llm-observe-routes.test.ts
+++ b/tests/integration/api/contract/llm-observe-routes.test.ts
@@ -5,7 +5,6 @@ import { buildMockRequest } from '../../../helpers/request'
 
 type AuthState = {
   authenticated: boolean
-  projectMode: 'novel-promotion' | 'other'
 }
 
 type LLMRouteCase = {
@@ -23,7 +22,6 @@ type RouteContext = {
 
 const authState = vi.hoisted<AuthState>(() => ({
   authenticated: true,
-  projectMode: 'novel-promotion',
 }))
 
 const maybeSubmitLLMTaskMock = vi.hoisted(() =>
@@ -77,14 +75,14 @@ vi.mock('@/lib/api-auth', () => {
       if (!authState.authenticated) return unauthorized()
       return {
         session: { user: { id: 'user-1' } },
-        project: { id: projectId, userId: 'user-1', mode: authState.projectMode },
+        project: { id: projectId, userId: 'user-1' },
       }
     },
     requireProjectAuthLight: async (projectId: string) => {
       if (!authState.authenticated) return unauthorized()
       return {
         session: { user: { id: 'user-1' } },
-        project: { id: projectId, userId: 'user-1', mode: authState.projectMode },
+        project: { id: projectId, userId: 'user-1' },
       }
     },
   }
@@ -329,7 +327,6 @@ describe('api contract - llm observe routes (behavior)', () => {
   beforeEach(() => {
     vi.clearAllMocks()
     authState.authenticated = true
-    authState.projectMode = 'novel-promotion'
     maybeSubmitLLMTaskMock.mockResolvedValue(
       NextResponse.json({
         success: true,
diff --git a/tests/integration/api/specific/novel-promotion-project-art-style-validation.test.ts b/tests/integration/api/specific/novel-promotion-project-art-style-validation.test.ts
index f6b59ff..e97e277 100644
--- a/tests/integration/api/specific/novel-promotion-project-art-style-validation.test.ts
+++ b/tests/integration/api/specific/novel-promotion-project-art-style-validation.test.ts
@@ -4,7 +4,7 @@ import { buildMockRequest } from '../../../helpers/request'
 const authMock = vi.hoisted(() => ({
   requireProjectAuthLight: vi.fn(async () => ({
     session: { user: { id: 'user-1', name: 'User 1' } },
-    project: { id: 'project-1', userId: 'user-1', mode: 'novel-promotion', name: 'Project 1' },
+    project: { id: 'project-1', userId: 'user-1', name: 'Project 1' },
   })),
   isErrorResponse: vi.fn((value: unknown) => value instanceof Response),
 }))
diff --git a/tests/integration/api/specific/panel-variant-route.test.ts b/tests/integration/api/specific/panel-variant-route.test.ts
index 3238417..a4cecfa 100644
--- a/tests/integration/api/specific/panel-variant-route.test.ts
+++ b/tests/integration/api/specific/panel-variant-route.test.ts
@@ -27,7 +27,7 @@ type StoryboardRecord = {
 const authMock = vi.hoisted(() => ({
   requireProjectAuthLight: vi.fn(async () => ({
     session: { user: { id: 'user-1' } },
-    project: { id: 'project-1', userId: 'user-1', mode: 'novel-promotion' },
+    project: { id: 'project-1', userId: 'user-1' },
   })),
   isErrorResponse: vi.fn((value: unknown) => value instanceof Response),
 }))
diff --git a/tests/integration/api/specific/project-create-default-audio-model.test.ts b/tests/integration/api/specific/project-create-default-audio-model.test.ts
index 4952629..1a0dc9f 100644
--- a/tests/integration/api/specific/project-create-default-audio-model.test.ts
+++ b/tests/integration/api/specific/project-create-default-audio-model.test.ts
@@ -28,7 +28,6 @@ const prismaMock = vi.hoisted(() => ({
       id: 'project-1',
       name: 'Test Project',
       description: null,
-      mode: 'novel-promotion',
       userId: 'user-1',
     })),
   },
@@ -60,6 +59,13 @@ describe('api specific - project create default audio model', () => {
 
     const res = await mod.POST(req, routeContext)
     expect(res.status).toBe(201)
+    expect(prismaMock.project.create).toHaveBeenCalledWith({
+      data: {
+        name: 'Test Project',
+        description: null,
+        userId: 'user-1',
+      },
+    })
     expect(prismaMock.novelPromotionProject.create).toHaveBeenCalledWith({
       data: expect.objectContaining({
         projectId: 'project-1',
diff --git a/tests/integration/api/specific/speaker-voice-provider-contract.test.ts b/tests/integration/api/specific/speaker-voice-provider-contract.test.ts
index ef15269..0faaaf8 100644
--- a/tests/integration/api/specific/speaker-voice-provider-contract.test.ts
+++ b/tests/integration/api/specific/speaker-voice-provider-contract.test.ts
@@ -4,7 +4,7 @@ import { buildMockRequest } from '../../../helpers/request'
 const authMock = vi.hoisted(() => ({
   requireProjectAuthLight: vi.fn(async () => ({
     session: { user: { id: 'user-1' } },
-    project: { id: 'project-1', userId: 'user-1', mode: 'novel-promotion' },
+    project: { id: 'project-1', userId: 'user-1' },
   })),
   isErrorResponse: vi.fn((value: unknown) => value instanceof Response),
 }))
diff --git a/tests/integration/api/specific/voice-generate-default-audio-model.test.ts b/tests/integration/api/specific/voice-generate-default-audio-model.test.ts
index 8a45979..095bacd 100644
--- a/tests/integration/api/specific/voice-generate-default-audio-model.test.ts
+++ b/tests/integration/api/specific/voice-generate-default-audio-model.test.ts
@@ -4,7 +4,7 @@ import { buildMockRequest } from '../../../helpers/request'
 const authMock = vi.hoisted(() => ({
   requireProjectAuthLight: vi.fn(async () => ({
     session: { user: { id: 'user-1' } },
-    project: { id: 'project-1', userId: 'user-1', mode: 'novel-promotion' },
+    project: { id: 'project-1', userId: 'user-1' },
   })),
   isErrorResponse: vi.fn((value: unknown) => value instanceof Response),
 }))
diff --git a/tests/integration/chain/text.chain.test.ts b/tests/integration/chain/text.chain.test.ts
index e4f6723..6514653 100644
--- a/tests/integration/chain/text.chain.test.ts
+++ b/tests/integration/chain/text.chain.test.ts
@@ -14,7 +14,7 @@ const queueState = vi.hoisted(() => ({
 
 const prismaMock = vi.hoisted(() => ({
   project: {
-    findUnique: vi.fn(async () => ({ id: 'project-1', mode: 'novel-promotion' })),
+    findUnique: vi.fn(async () => ({ id: 'project-1' })),
   },
   novelPromotionProject: {
     findFirst: vi.fn(async () => ({ id: 'np-project-1' })),
diff --git a/tests/unit/home/create-project-launch.test.ts b/tests/unit/home/create-project-launch.test.ts
index da666ec..cacdf25 100644
--- a/tests/unit/home/create-project-launch.test.ts
+++ b/tests/unit/home/create-project-launch.test.ts
@@ -45,7 +45,6 @@ describe('createHomeProjectLaunch', () => {
       body: JSON.stringify({
         name: '开场白',
         description: '第一章内容',
-        mode: 'novel-promotion',
       }),
     })
     expect(apiFetch).toHaveBeenNthCalledWith(2, '/api/novel-promotion/project-1', {
diff --git a/tests/unit/worker/analyze-global.test.ts b/tests/unit/worker/analyze-global.test.ts
index a8b4b5f..3040837 100644
--- a/tests/unit/worker/analyze-global.test.ts
+++ b/tests/unit/worker/analyze-global.test.ts
@@ -104,7 +104,7 @@ describe('worker analyze-global behavior', () => {
   beforeEach(() => {
     vi.clearAllMocks()
 
-    prismaMock.project.findUnique.mockResolvedValue({ id: 'project-1', mode: 'novel-promotion' })
+    prismaMock.project.findUnique.mockResolvedValue({ id: 'project-1' })
 
     prismaMock.novelPromotionProject.findUnique.mockResolvedValue({
       id: 'np-project-1',
diff --git a/tests/unit/worker/analyze-novel.test.ts b/tests/unit/worker/analyze-novel.test.ts
index cf8ac01..4013b86 100644
--- a/tests/unit/worker/analyze-novel.test.ts
+++ b/tests/unit/worker/analyze-novel.test.ts
@@ -85,7 +85,6 @@ describe('worker analyze-novel behavior', () => {
 
     prismaMock.project.findUnique.mockResolvedValue({
       id: 'project-1',
-      mode: 'novel-promotion',
     })
 
     prismaMock.novelPromotionProject.findUnique.mockResolvedValue({
diff --git a/tests/unit/worker/clips-build.test.ts b/tests/unit/worker/clips-build.test.ts
index c650805..72ab078 100644
--- a/tests/unit/worker/clips-build.test.ts
+++ b/tests/unit/worker/clips-build.test.ts
@@ -85,7 +85,7 @@ describe('worker clips-build behavior', () => {
   beforeEach(() => {
     vi.clearAllMocks()
 
-    prismaMock.project.findUnique.mockResolvedValue({ id: 'project-1', mode: 'novel-promotion' })
+    prismaMock.project.findUnique.mockResolvedValue({ id: 'project-1' })
 
     prismaMock.novelPromotionProject.findUnique.mockResolvedValue({
       id: 'np-project-1',
diff --git a/tests/unit/worker/episode-split.test.ts b/tests/unit/worker/episode-split.test.ts
index 55483b5..6c0d7ea 100644
--- a/tests/unit/worker/episode-split.test.ts
+++ b/tests/unit/worker/episode-split.test.ts
@@ -4,7 +4,7 @@ import { TASK_TYPE, type TaskJobData } from '@/lib/task/types'
 
 const prismaMock = vi.hoisted(() => ({
   project: {
-    findUnique: vi.fn(async () => ({ id: 'project-1', mode: 'novel-promotion' })),
+    findUnique: vi.fn(async () => ({ id: 'project-1' })),
   },
   novelPromotionProject: {
     findFirst: vi.fn(async () => ({ id: 'np-project-1' })),
diff --git a/tests/unit/worker/screenplay-convert.test.ts b/tests/unit/worker/screenplay-convert.test.ts
index bbf1ee0..6c8eae5 100644
--- a/tests/unit/worker/screenplay-convert.test.ts
+++ b/tests/unit/worker/screenplay-convert.test.ts
@@ -79,7 +79,6 @@ describe('worker screenplay-convert behavior', () => {
     prismaMock.project.findUnique.mockResolvedValue({
       id: 'project-1',
       name: 'Project One',
-      mode: 'novel-promotion',
     })
 
     prismaMock.novelPromotionProject.findUnique.mockResolvedValue({
diff --git a/tests/unit/worker/script-to-storyboard.test.ts b/tests/unit/worker/script-to-storyboard.test.ts
index 7c8fb95..4bd9591 100644
--- a/tests/unit/worker/script-to-storyboard.test.ts
+++ b/tests/unit/worker/script-to-storyboard.test.ts
@@ -231,7 +231,6 @@ describe('worker script-to-storyboard behavior', () => {
     prismaMock.project.findUnique.mockResolvedValue({
       id: 'project-1',
       name: 'Project One',
-      mode: 'novel-promotion',
     })
 
     prismaMock.novelPromotionProject.findUnique.mockResolvedValue({
diff --git a/tests/unit/worker/story-to-script.test.ts b/tests/unit/worker/story-to-script.test.ts
index 1ae42de..8d355fa 100644
--- a/tests/unit/worker/story-to-script.test.ts
+++ b/tests/unit/worker/story-to-script.test.ts
@@ -124,7 +124,6 @@ describe('worker story-to-script behavior', () => {
     prismaMock.project.findUnique.mockResolvedValue({
       id: 'project-1',
       name: 'Project One',
-      mode: 'novel-promotion',
     })
 
     prismaMock.novelPromotionProject.findUnique.mockResolvedValue({
diff --git a/tests/unit/worker/voice-analyze.test.ts b/tests/unit/worker/voice-analyze.test.ts
index ba2b71b..53244e6 100644
--- a/tests/unit/worker/voice-analyze.test.ts
+++ b/tests/unit/worker/voice-analyze.test.ts
@@ -82,7 +82,7 @@ describe('worker voice-analyze behavior', () => {
     txState.createdRows = []
     txState.deletedWhereClauses = []
 
-    prismaMock.project.findUnique.mockResolvedValue({ id: 'project-1', mode: 'novel-promotion' })
+    prismaMock.project.findUnique.mockResolvedValue({ id: 'project-1' })
     prismaMock.novelPromotionProject.findUnique.mockResolvedValue({
       id: 'np-project-1',
       analysisModel: 'llm::analysis-1',