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850d3559b4
Final review round 2, probing what a user can do that the code did not anticipate. - An open panel kept offering Download and Delete for an attachment another surface had just deleted. The strip already reconciles on that broadcast; the panel now does too, and CLOSES rather than latching the missing state — unlike a 404 found while opening, where the user asked about this file and deserves the answer, this is an answer to a question nobody asked, and a tombstone panel would be stranger than dismissing it. - Storage could send two DELETEs for one row. `confirm()` blocked the thread, so a second confirmation could not be raised while a request was in flight; an in-app one can, and unlike the item strip this list does not remove the row optimistically, so it stays clickable throughout. The user's single action produced a success AND an "already deleted". Guarded per id, released in a `finally` so a FAILED delete does not strand the row as permanently undeletable. - Storage's 404 arm claimed parity with its success arm — same broadcast, same refresh — and nothing tested it; the shared descriptor's 404 test covers a different implementation. Now tested. Both guards are mutation-tested.
Pad Web UI
SvelteKit 2 + Svelte 5 frontend for Pad, compiled to static files and embedded into the Go binary.
Development
npm install
npm run dev # Dev server at localhost:5173 (proxies API to localhost:7777)
npm run build # Production build to build/
npm run check # Type checking with svelte-check
When developing, run the Go backend separately with make dev from the project root.
Building for Production
Do not build in isolation. Always use make build from the project root — this builds the web frontend, then compiles the Go binary with the build output embedded via //go:embed.
Stack
- Svelte 5 with runes (
$state,$derived,$effect) - SvelteKit 2 with
adapter-static(SPA mode) - Tiptap block editor with markdown round-trip
- svelte-dnd-action for drag-and-drop in board/list views
- SSE for real-time updates
- TypeScript throughout
Structure
src/
routes/ SvelteKit pages
+layout.svelte App shell (sidebar + main)
+page.svelte Landing/redirect
[workspace]/
+page.svelte Dashboard (collections, phases, activity)
+layout.svelte SSE connection per workspace
[collection]/
+page.svelte Collection view (board/list)
[collection]/[item]/
+page.svelte Item detail + editor
conventions/ Purpose-built conventions page
playbooks/ Purpose-built playbooks page
settings/ Workspace settings
lib/
api/client.ts HTTP API client
components/
layout/ Sidebar, navigation
editor/ Tiptap editor, raw markdown editor
fields/ FieldEditor, relation picker
items/ ItemCard, ItemDetail
collections/ BoardView, ListView
common/ StatusBadge, badges, modals
search/ CommandPalette
activity/ ActivityFeed
stores/ Svelte 5 reactive stores
workspace.svelte.ts Workspace state
collections.svelte.ts Collection + item state
ui.svelte.ts Sidebar, mobile state
types/index.ts TypeScript types and constants
app.css Global styles and design tokens