dsh-diff-approval
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A DeepSeek Harness (DSH) plugin for pending-change review: it automatically tracks every successful edit, write, and editor (str_replace_editor) mutation, folds them into a single pending list in the sidebar where each file's diff can be reviewed and kept/reverted — and it can also import the workspace's version-control repository's local changes (Git / SVN / Perforce) in one click.
Pending changes panel
The panel also collapses its file list into a floating card; while floating, each of its four edges — the left sidebar, the header above, the right sidebar, the composer below — can be chosen to be covered (all four is what used to be fullscreen, and covering nothing is a plain floating card), and it can dock as a tab in the right sidebar:
Two entries open it: the row at the sidebar foot, and a button in the Session header's right-hand controls — the cluster the app keeps its own per-session actions in (where "Download session log" lives) — so the review stays one click away with the sidebar collapsed or hidden.
For Markdown files, the source-line diff can also be shown as a rendered before/after preview:
Markdown preview
✨ Features
- Diff view: syntax-highlighted whole-file diff with +/− counts, an overview ruler on the scrollbar showing where changes sit, and an in-file search (
Ctrl+F, step with F3 / Shift+F3) that highlights matched words. Rows are virtualized, so huge files stay smooth.
- Block navigation & decisions: jump between change blocks with
Ctrl+↑/↓ (or the previous/next buttons) — the focused block flashes, navigation is anchored to the scroll position and wraps at the top/bottom. Hover a block to Keep or Revert just that block from a small actions frame that also shows its position (e.g. "2/5"); after a single-block decision, focus advances to the next block. The lead rows left above the jumped-to block are configurable in settings.
- Selection frame: drag to select a range of lines and a frame appears to Keep / Revert exactly that range.
- Per-file and bulk decisions: the files in the file list can be kept / reverted one at a time, or Keep all / Revert all from its footer.
- Resolved files stay listed: once every change in a file has been kept/reverted, the entry remains in the list and the panel asks whether to remove it or keep it for later.
- Undo / Redo: every keep, revert, and import is undoable with
Ctrl+Z / Ctrl+Shift+Z (rebindable in Shortcuts; Ctrl+Y remains an alias), active while the panel is open — text inputs keep their own editing.
- Quick summon & file cycling:
Ctrl+D (configurable in settings) toggles the review panel from anywhere and Esc closes it; the panel is also one click away from the sidebar-foot row and from a button in the Session header beside the app's own controls; Ctrl+Tab / Ctrl+Shift+Tab cycle through the pending files.
- Line references: select text in the diff — the status bar shows its
(file:line) / (file:start-end) reference; click it (or press Ctrl+L) to copy, and with the setting on it auto-pastes into the composer and focuses it. References in the composer and queued messages are auto-aligned when the referenced file changes: surviving lines re-map to their new range, and a fully-removed line becomes (file:LINE_MISSING).
- Highlight language: auto-detected from the file extension, or overridden from a dropdown.
- Auto-wrap: a "Wrap lines" toggle beside the language selector wraps long lines for that language (CJK breaks between characters, Latin words stay whole), remembered per language.
- Side-by-side split view: an opt-in two-column diff (left "before" | right "current"), line-aligned with per-side horizontal scrolling and a shared vertical scrollbar. Toggle it from the toolbar or in settings (default: single-column unified view). In split view, changed blocks are aligned by content similarity and changed lines show intra-line word diffs — whole words for Latin text, per-character for CJK.
- Markdown preview: for Markdown files, toggle between the source-line diff and a rendered before/after preview (
Preview / Source). The preview content max width is configurable.
- Customizable appearance: from the "Diff view" settings group, adjust the diff's code font size (%), line height (px), and the added / removed line colors, with a live preview.
- External changes: files already in the pending list are monitored — if one is later modified outside the reviewed edits (another tool, an editor), the panel adopts the new content and flags the divergence.
- Open / Reveal: while reviewing a file's diff, open it in its default app or reveal it in the system file manager with one click.
- Import workspace changes: when the list is empty, click the button to import the workspace's local changes from Git / SVN / Perforce — modified, deleted, and (opt-in) untracked files. The VCS root is found by walking up from the workspace, so a workspace inside a subdirectory works too.
- Settings: a "Diff Approval" section in DeepSeek Harness settings, grouped into Diff view (code font size, line height, added / removed colors), Shortcuts (rebind the panel's keyboard chords), and Floating coverage (the same four edge switches the panel's own popover offers) plus preferences for auto-paste on copy, whether untracked files are included when importing, the diff's tab width (2 / 4 / 8 spaces), the side-by-side split view, the block-jump lead rows, the Markdown preview default and width, and the quick-summon chord.
- Persistence: pending state is stored per workspace at
<dshHome>/diff-approval/workspaces/<workspaceId>.json and survives restarts — unhandled changes are still there when you come back, even in a fresh session.
📦 Install
If dsh is on your PATH:
dsh plugin --profile web add dsh-diff-approval
Or, if you run the harness through npx (e.g. npx @deepseek-ai/dsh web):
npx @deepseek-ai/dsh plugin --profile web add dsh-diff-approval
or manually: add the package to your profile's package.json dependencies and insert this row into the profile's cordis.patch.yml:
- insert:
- id: diff-approval
name: dsh-diff-approval
# Optional: relocate durable pending state (defaults to
# <dshHome>/diff-approval/workspaces).
# config:
# storageDir: ~/dsh-pending
Then restart dsh web.
🚀 Usage
- Work with the agent as usual — successful
edit / write / editor (str_replace_editor) calls are recorded automatically.
- Click the Pending changes action at the sidebar footer, review each file's diff, and Keep / Revert.
- When the list is empty, Import workspace changes pulls in the workspace's local Git/SVN/Perforce changes.
📝 Notes
- Only tracked mutations (
edit, write, and str_replace_editor editor calls) are recorded automatically. Deletions made outside these tools (e.g. shell rm) are sensed only for tracked files: the entry turns "File is gone" and its Revert restores the file.
- The VCS import runs read-only Git/SVN/Perforce commands through the deployment's shell executor, so the respective CLI must be on
PATH. Importing untracked files (default off) scans the whole workspace, which can be slow on large trees.
- For a newly-created file, the whole-file revert action reads Delete and removes the file.
- Reverting a file writes it back with its current line endings (LF / CRLF) preserved.
- Sessions with no workspace keep their entries memory-only; corrupt persistence files are rejected and can be deleted to reset.
- The sidebar footer entry stacks vertically with other plugins' footer actions and defers to the dedicated
dsh-footer-order plugin when it is present.
🛠 Development
corepack pnpm install
pnpm run typecheck # tsc over both faces
pnpm run build # emits lib/index.js and lib/client.js
pnpm test
