feat(studio): 新增 Studio 工作流编辑/运行页，优化顶部三栏对齐

- 后端：项目/运行 API、上下文服务与数据模型
- 前端：Studio 列表、编辑页（R1/R2 布局）、运行页与节点图
- 编辑页顶部：CSS Grid 统一标签行与控件行对齐，项目按钮独立第三行
- Docker 开发配置与文档脚本

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/api/route.py

@@ -1,5 +1,5 @@
 from fastapi import APIRouter
-from .routes import presetsRoute, chatsRoute, worldbooksRoute, apiConfigRoute, charactersRoute, chatWsRoute, tokenUsageRoute, imageGalleryRoute, regexRoute, chatSummaryRoute
+from .routes import presetsRoute, chatsRoute, worldbooksRoute, apiConfigRoute, charactersRoute, chatWsRoute, tokenUsageRoute, imageGalleryRoute, regexRoute, chatSummaryRoute, studioRoute
 from utils.file_utils import get_all_roles_and_chats
 from core.config import settings
 from pathlib import Path
@@ -18,6 +18,7 @@ router.include_router(tokenUsageRoute.router)
 router.include_router(imageGalleryRoute.router)
 router.include_router(regexRoute.router)
 router.include_router(chatSummaryRoute.router)
+router.include_router(studioRoute.router)
 
 # ✅ 注册 WebSocket 路由（必须在 HTTP 路由之后，避免路径冲突）
 router.include_router(chatWsRoute.router)