## Summary - Set `dragDropEnabled: false` on the Tauri window so HTML5 drag events reach the WebView. Previously the default `true` made Tauri intercept all drag-drop at the OS level, silently breaking in-page drag-to-reorder (Pragmatic Drag and Drop in `FileEditorThumbnail` / `useFileItemDragDrop`) in the desktop build. The Active Files tab reorder, which feeds Merge ordering, was the user-visible symptom. - Browser builds are unaffected (tauri.conf.json is desktop-only). - The OS file-drop pipeline now flows through the existing Mantine `Dropzone` in `FileEditor.tsx` via HTML5 events instead of the Rust `WindowEvent::DragDrop` handler in `lib.rs:215`. Verified working. ## Test plan - [x] Desktop: drag a thumbnail in Active Files past another - row goes semi-transparent, order updates on drop. - [x] Desktop: drag a PDF from File Explorer onto the window - file is added. - [x] Web build: drag-to-reorder still works (unchanged code path; flag is desktop-only). - [x] Merge tool: order set by drag in Active Files is the order used by the merge output. ## Follow-up (not in this PR) - `WindowEvent::DragDrop` arm in `frontend/editor/src-tauri/src/lib.rs:215-229` is now unreachable for window drops. The `forward_files_to_window` helper still serves the macOS Finder "Open With" path (`RunEvent::Opened` at lib.rs:230), so only the DragDrop arm can be deleted. Worth a small cleanup pass later.
Frontend
All frontend commands are run from the repository root using Task:
task frontend:dev— start Vite dev server (localhost:5173)task frontend:build— production buildtask frontend:test— run teststask frontend:test:watch— run tests in watch modetask frontend:lint— run ESLint + cycle detectiontask frontend:typecheck— run TypeScript type checkingtask frontend:check— run typecheck + lint + testtask frontend:install— install npm dependencies
For desktop app development, see the Tauri section below.
Layout
frontend/ is a workspace containing one or more apps. Today it holds the
PDF editor under frontend/editor/; new apps (the developer portal, etc.)
will sit alongside it as siblings. Shared tooling — package.json, node_modules,
.storybook/, ESLint, Prettier — lives at frontend/ so every app installs
once and lints with the same config.
Environment Variables
The editor's environment variables live in committed .env files at
frontend/editor/:
.env— used by all builds (core, proprietary, and as the base for desktop/SaaS).env.desktop— additional vars loaded in desktop (Tauri) mode.env.saas— additional vars loaded in SaaS mode
These files contain non-secret defaults and are checked into Git, so most dev work needs no further setup.
To override values locally (API keys, machine-specific settings), create an uncommitted sibling editor/.env.local / editor/.env.desktop.local / editor/.env.saas.local. Vite automatically layers these on top of the committed files.
Docker Setup
For Docker deployments and configuration, see the Docker README.
Tauri
All desktop tasks are available via Task. From the root of the repo:
Dev
task desktop:dev
This ensures the JLink runtime and backend JAR exist (skipping if already built), then starts Tauri in dev mode.
Build
task desktop:build
This does a full clean rebuild of the backend JAR and JLink runtime, then builds the Tauri app for production.
Platform-specific dev builds are also available:
task desktop:build:dev # No bundling
task desktop:build:dev:mac # macOS .app bundle
task desktop:build:dev:windows # Windows NSIS installer
task desktop:build:dev:linux # Linux AppImage
JLink Tasks
You can also run JLink steps individually:
task desktop:jlink # Build JAR + create JLink runtime
task desktop:jlink:jar # Build backend JAR only
task desktop:jlink:runtime # Create JLink custom JRE only
task desktop:jlink:clean # Remove JLink artifacts
Clean
task desktop:clean
Removes all desktop build artifacts including JLink runtime, bundled JARs, Cargo build, and dist/build directories.