* feat(days): reorder whole days and insert a day at a position Adds reorderDays + insertDay to the day service and a PUT /days/reorder route (plus an optional position on create). Day rows stay stable so a day's assignments, notes, bookings and accommodations ride along by id; on a dated trip the calendar dates stay pinned to their slots while the content moves across them, and each booking's date is re-stamped onto its day's new date (time-of-day preserved) so day_id stays consistent. Renumbering uses the two-phase write to avoid the UNIQUE(trip_id, day_number) collision, and a move that would invert an accommodation's check-in/out span is rejected. * feat(planner): reorder days from a toolbar popup, and add days A new toolbar button opens a popup listing the days; drag a row by its grip or use the up/down arrows to reorder, and add a day from there. Reorders apply optimistically with rollback and sync over WebSocket; the day headers are left untouched, so the existing place drop-targets are unaffected. * i18n: add day-reorder strings across all languages
@trek/shared
Single source of truth for TREK's API contracts, expressed as Zod schemas and consumed by both the server (request validation + inferred DTO types) and the client (typed requests/responses).
This package is part of the incremental NestJS + React 19 migration (see the "Brownfield Rewrite" board). It is intentionally dormant until modules start importing it — adding it changes nothing for users.
Rules
- One folder per domain:
src/<domain>/<domain>.schema.ts(+.spec.ts). - Domain-agnostic building blocks live in
src/common/. - A route is only considered migrated once its contract lives here.
- Schemas are the source of truth; server DTOs and client types are inferred from them
(
z.infer<typeof schema>), never hand-duplicated.
Consumption (dev)
Both apps resolve @trek/shared to this package's TypeScript source:
- Server (
tsx): viapathsinserver/tsconfig.json. - Client (
vite): viaresolve.aliasinclient/vite.config.ts(+pathsfor the type-checker).
Production packaging (Docker / workspace wiring) is introduced in card F2, when the server first depends on this package at runtime. Until then prod builds are untouched.
Not yet here
The canonical error envelope is finalised in card F5 (it must match TREK's current Express error responses byte-for-byte), so it is deliberately not invented in F1.