feat(frontend): add pallet clusters

.claude/reference/feature-flags.md

@@ -35,6 +35,7 @@ if (features.platform) {
 | `datacenter` | Datacenter-related UI. |
 | `danger-zone` | Destructive settings actions (`features.dangerZone`). |
 | `byoc` | Bring Your Own Cloud (`features.byoc`): the BYOC option in the create-project flow, BYOC clusters in the project lists, and the `/orgs/$org/clusters/$cluster` page. Requires `platform`. |
+| `pallet` | v3 dashboard ("pallet") backed by cloud API v2: the single-page create cluster screen that replaces the create-project dialog and the `/orgs/$org/new` page, and pallet clusters on `/orgs/$org/clusters/$cluster` (checked before BYOC). Requires `platform`. |
 | `services` | Managed services (`features.services`): the Services section of the onboarding product picker, the Durable Streams onboarding path, and the Services tab on the namespace settings drawer. Independent of `platform` (cloud hands out a managed service URL, self-host runs the worker container). |
 | `mcp` | MCP connection settings card on the namespace settings drawer. Flavor-dependent content: `platform` renders the hosted `mcp.rivet.dev` endpoint pinned to this namespace, everything else renders the local stdio (`npx @rivet-dev/mcp`) config. |
 

frontend/CLAUDE.md

@@ -2,6 +2,7 @@
 
 - Register keyboard shortcuts with `useHotkey` / `useHotkeySequence` from `@tanstack/react-hotkeys`. Do not hand-roll `window.addEventListener("keydown", ...)` handlers. Use the `ignoreInputs` option to skip shortcuts while typing in inputs/textareas/contenteditable instead of checking `e.target.tagName` manually.
 - Wrap async user actions (anything with pending/loading/error state) in `@tanstack/react-query` `useMutation`; drive UI with `mutation.isPending` / `mutation.mutate()`. Do not hand-roll a `useState` loading flag with try/catch/setState.
+- Show API errors on forms with `showApiErrorOnForm(form, error, fields?)` from `src/lib/form-errors.ts`: set `meta: { hideErrorToast: true }` on the mutation and call it in the submit's `catch`. It puts `errors[].field` on matching fields and toasts the rest. Type the `fields` map with the request's keys (`ApiFieldMap<FormValues, keyof Request>`) so API renames fail to compile.
 - Derive state during render instead of syncing it with `useEffect`. Do not use `useEffect` for derived state or as a general escape hatch. If you believe an effect is genuinely unavoidable and cannot find another option, stop and ask the user for guidance before adding one.
 - The frontend build embedded into `rivet-engine` must use `pnpm build:engine` / `npx turbo build:engine -F @rivetkit/engine-frontend`, which sets `BASE_URL=/ui/`. Do not compensate for a root `/assets/*` build by adding root asset routes to the engine; fix the embedded build base instead.
 - The dashboard serves multiple deployment flavors (cloud / OSS / enterprise) from one build via `features.*`. Test frontend changes in more than one flavor before calling them done. **OSS especially**, since it disables `auth`/`platform`/`acl` and takes different code paths (context switcher, sidebar, onboarding, data providers) that the cloud default never exercises. Switch flavors in the browser console with `localStorage.setItem("FEATURE_FLAGS", "")` (OSS) / `localStorage.removeItem("FEATURE_FLAGS")` then reload. See [Feature flags](../.claude/reference/feature-flags.md#testing-across-flavors-required-for-frontend-changes).

frontend/package.json

@@ -64,7 +64,7 @@
     "@radix-ui/react-toggle-group": "^1.1.11",
     "@radix-ui/react-tooltip": "^1.2.8",
     "@radix-ui/react-visually-hidden": "^1.2.3",
-    "@rivet-gg/cloud": "https://pkg.pr.new/rivet-dev/engine-ee/@rivet-gg/cloud@979",
+    "@rivet-gg/cloud": "https://pkg.pr.new/rivet-dev/engine-ee/@rivet-gg/cloud@1330",
     "@rivet-gg/icons": "workspace:*",
     "@rivetkit/engine-api-full": "workspace:*",
     "@rivetkit/shared-data": "workspace:*",