Forgejo editorial workflow doesn't seem to work

[thadd]

Describe the bug
When attempting to use the new editorial workflow support for Forgejo, creating a new post results in failures after saving. The editorial branch is created but then it doesn't show up in the workflow pane and content is not under editorial workflow errors flood in.

To Reproduce

1. In existing Hugo repository on Forgejo with DecapCMS installed and working, change publish_mode to editorial_workflow.
2. Create a new post.
3. Reload page.
4. Observe content is not under editorial workflow errors

Expected behavior
Post should be created and available to edit in workflow pane.

Screenshots
N/A

Applicable Versions:

• Decap CMS version: 3.15.1
• Git provider: Forgejo 16.0.1
• OS: Mac OS
• Browser version: Safari 26.6

CMS configuration

backend:
  name: forgejo
  repo: [redacted]
  app_id: [redacted]
  api_root: [redacted]
  base_url: [redacted]
  auth_endpoint: [redacted]
  branch: editorial

publish_mode: editorial_workflow
media_folder: static/images
public_folder: /images
collections:
  - name: 'posts'
    label: 'Posts'
    label_singular: 'Post'
    folder: 'content/posts'
    preview_path: 'posts/{{slug}}'
    create: true
    path: '{{slug}}/index'
    media_folder: ''
    public_folder: ''
    editor:
      preview: false
    fields:
      - { label: 'Title', name: 'title', widget: 'string' }
      - { label: 'Publish Date', name: 'date', widget: 'datetime' }
      - { label: 'Categories', name: 'categories', widget: 'list' }
      - { label: 'Featured image', name: 'image', widget: 'image' }
      - label: 'Gallery Images'
        name: 'gallery_images'
        widget: 'list'
        field: {label: Image, name: image, widget: image}
      - { label: 'Body', name: 'body', widget: 'markdown' }