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xarmian
9b46be915a
Adds a client→server schema-version handshake on every WS connect and a per-item op-log rebuild path for the case where the server ships a new SCHEMA_VERSION and finds older rows persisted in the op-log. Client side - New web/src/lib/collab/schemaVersion.ts exporting `SCHEMA_VERSION` (currently '1') with a documented bump rule covering Tiptap extension changes, coordinated multi-package bumps, and Y.Doc fragment-shape changes. - wsProvider's defaultCollabUrl appends ?schema_version=... Server side - handlers_collab.go validates ?schema_version against RoomManager.SchemaVersion() BEFORE upgrading the WS; mismatch returns HTTP 400 with code "schema_mismatch". An empty query is treated as legacy '1' for graceful deploys; once the server bumps past v1, missing query becomes a 400 too. - New RoomManager.SchemaVersion() getter. - RoomManager.Join's setup-phase (under itemLock) now calls maybeRebuildOnSchemaMismatch: if the latest persisted op-log row's schema_version disagrees with the manager's current version, the entire item op-log is pruned via PruneYjsUpdatesBefore. items.content is canonical and untouched, so the lazy-seed path (TASK-1261) re-encodes it into ops at the new schema on the next idle tick. - New store method LatestYjsUpdateSchemaVersion. Tests - internal/collab/manager_test.go: three new tests (mismatch prunes, clean version preserves op-log, post-rebuild connects are clean) + fakeOpLog gets LatestYjsUpdateSchemaVersion + PruneYjsUpdatesBefore. - internal/server/handlers_collab_test.go: rejects-schema-mismatch (400), accepts-explicit-match (101). One round of Codex review (CLEAN with two NITs, both fixed).
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