fix(experimental): align worktree fixtures and catalogs with current runtime

scripts/gen-tool-catalog.ts

@@ -27,7 +27,6 @@ import LocalSubprocessRuntime from '@deepseek-ai/dsh-subprocess-local'
 import LocalFileSystem from '@deepseek-ai/dsh-fs-local'
 import WorkingDirectory from '@deepseek-ai/dsh-working-directory'
 import * as ToolWorkingDirectory from '@deepseek-ai/dsh-tool-working-directory'
-import type WorktreeService from '@deepseek-ai/dsh-experimental-worktree'
 import * as ToolWorktree from '@deepseek-ai/dsh-experimental-tool-worktree'
 import { AttachmentStore } from '@deepseek-ai/dsh-attachment'
 import type { ImageAttachmentLimits, ImageAttachmentRef, SaveImageAttachment, StoredImageAttachment } from '@deepseek-ai/dsh-attachment'
@@ -629,7 +628,7 @@ const TOOL_PACKAGES: ToolPackage[] = [
     async mount(ctx) {
       ctx.provide('worktrees', {
         create: () => Promise.reject(new Error('gen-tool-catalog: worktree creation is unavailable during schema harvest')),
-      } as unknown as WorktreeService)
+      })
       await ctx.plugin(ToolWorktree)
     },
     note: 'Explicit experimental composition only. Creates a new branch and checkout from a pinned local commit under existing write permissions, then changes the Session directory. Leaving retains the branch and checkout.',