Files

Ctrl 1 shows the folder: the tree on the left, the open files in the middle, the active file’s metadata on the right (Layout: tree left, content ... (DEC_LAYOUT)).

A Markdown file: the tree marks changed files, the right panel shows links, warnings and frontmatter.

The tree

The tree marks changed files and counts the changes per folder. Ctrl K searches files by name.

Tabs

A click opens a file in the preview tab, which the next file replaces. Enter keeps it; Ctrl click opens a file in its own tab. Ctrl Tab switches tabs, Ctrl W closes one, Alt ← goes back.

Views per file type

Every file has up to three views: view (V), source (S) and diff (D, when the file changed).

Type	View
Markdown	rendered; links open inside the app
HTML	live in a sandboxed frame
.po translations	table: source, translation, status
Code, JSON, YAML	syntax highlighting
Images, PDF	preview

monsterbrain only shows. To change a file, open it in your editor (Open ↗).

HTML is shown live, as in a browser.

A translation as a table – filter for changed, missing or fuzzy entries.

Code with syntax highlighting.

Source (S) shows the file as it is, frontmatter included.

The right panel

It follows the active tab:

• Frontmatter evaluated – summary, status, updated, tags, owner.

• Link graph – links from the file on one side, backlinks on the other; broken links in red.

• Check – what needs attention: no frontmatter, no summary, broken links, an updated older than the last change, open [CHECK] markers.

• Extensions add their own sections, e.g. the review of the file with deciwa.

A broken link shows red in the link graph and as a warning under Check.