steveandClaude Opus 4.8
f39ed52868
Establishes the patterns every later backend issue copies: the actor parameter, centralized role checks, and the version-guard/409 sync protocol. The service layer is the seam both REST handlers and future agent tools call, so permissions live here, not in handlers. - service/gardens.go: Service methods take (ctx, actorID, args). requireGardenRole(ctx, actor, gardenID, min) is THE authorization point — owner is implicit via owner_id now; #16 extends it to consult garden_shares. A user with no role gets ErrNotFound (existence masked), not ErrForbidden. Create/Get/List/Update/Delete with input validation (name required, 0 dims default to 10 m on create / rejected on update, negatives always rejected, unit metric|imperial, 100 m cap). - store/gardens.go: version-guarded UPDATE ... WHERE id=? AND version=? RETURNING; a no-match re-reads to return (current row, ErrVersionConflict) vs ErrNotFound. ListGardensForOwner returns a non-nil slice. - api/gardens.go: GET,POST /gardens and GET,PATCH,DELETE /gardens/:id behind requireAuth. writeVersionConflict documents the 409 envelope ({error:{code,message}, current:{...}}) — the contract for every mutable resource. writeResourceError maps ErrNotFound/Forbidden/ InvalidInput/VersionConflict; parseIDParam guards path ids. Tests: service (defaults, validation, owned-only list, version conflict returns current + retry, cross-user ErrNotFound, delete) and api (full CRUD flow, 409 envelope shape, cross-user 404, auth required, create validation). Verified against the running binary: create stores imperial 122x244 cm and list returns it. Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]> Claude-Session: https://claude.ai/code/session_01JdQpdYYsTgtkJBxbcpAszi