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Object Form Robustness Implementation Plan

For agentic workers: REQUIRED SUB-SKILL: Use superpowers:subagent-driven-development (recommended) or superpowers:executing-plans to implement this plan task-by-task. Steps use checkbox (- [ ]) syntax for tracking.

Goal: Make the object create/edit form safe for long daily sessions — no double-submit, an unsaved-changes guard, one consistent partial-failure recovery, code-aware validation messages, and batch-entry ergonomics.

Architecture: Migrate to a React Router data router (enables useBlocker) keeping the route tree verbatim. The form is react-hook-form; isSubmitting (made real by returning the async onSubmit from handleSubmit) drives submit-disable, and useBlocker(isDirty && !isSubmitting) drives the dirty guard — so save-driven navigation is never falsely blocked and Cancel flows through the same dialog. onSubmit returns a success boolean so the form can reset for "Save & create another".

Tech Stack: React 19 + TS + pnpm, react-router-dom 7 (data router), react-hook-form, react-i18next, Base UI (alert-dialog), Vitest + RTL + MSW. Test runner: pnpm test (single pass).

Conventions: pnpm; no any/eslint-disable/@ts-ignore; no codename; en/sv parity; ui/ no-semicolon, app source double-quote+semicolon; token classes only; guard DOM globals; run tests exactly once per task.

Spec: docs/superpowers/specs/2026-06-07-object-form-robustness-design.md

Key facts (from the code):

  • object-form.tsx: RHF useForm<FormShape>; submit = handleSubmit((data) => { onSubmit(...) }) — does not return the promise (so isSubmitting never tracks it; fix in T2). Props: mode/defaults/onSubmit/onCancel/formError/fieldErrorKey. coreField renders errors.core?.[key] && t("form.required") always. number_of_objects registered via coreField(..., { type: "number", required: true }).
  • object-new-page.tsx: onSubmit create→setFields; on setFields fail navigate(\/objects/${id}/edit`, { state: { fieldsError, fieldErrorKey } }); success → /objects/${id}`.
  • object-edit-form.tsx: split into ObjectEditFormLoaded; reads location.state (fieldsError/fieldErrorKey) to seed the banner; onSubmit update→setFields; on FieldRejection sets fieldErrorKey + banner, stays.
  • FieldRejection carries field + code. useCreateObject/useUpdateObject/useSetFields expose .isPending (unused today).
  • Router: app.tsx <BrowserRouter><Routes> (3 top-level siblings). renderApp wraps ui in <MemoryRouter> with no <Routes>.

Task 1: Migrate to a data router (foundation)

Files: web/src/app.tsx, web/src/test/render.tsx. (Possibly main.tsx — only if needed; it should NOT need changes since App stays the exported component.)

  • Step 1: app.tsx → data router. Convert the JSX route tree verbatim using createRoutesFromElements. Replace the import { BrowserRouter, Navigate, Route, Routes } with import { createBrowserRouter, createRoutesFromElements, Navigate, Route, RouterProvider } from "react-router-dom";. Keep all the lazy/Suspense wrappers and every <Route> exactly as-is. New shape:
const router = createBrowserRouter(
  createRoutesFromElements(
    <>
      <Route path="/login" element={<LoginPage />} />
      <Route element={<RequireAuth />}>
        <Route element={<AppShell />}>
          {/* ...all the existing nested <Route> elements, verbatim... */}
        </Route>
      </Route>
      <Route path="*" element={<Navigate to="/objects" replace />} />
    </>,
  ),
);

export function App() {
  return <RouterProvider router={router} />;
}

Do NOT change any path, element, Suspense, or nesting. (The FormFallback + lazy imports stay.)

  • Step 2: test/render.tsx → createMemoryRouter. Replace MemoryRouter usage:
import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
import { render } from "@testing-library/react";
import type { ReactElement } from "react";
import { createMemoryRouter, RouterProvider } from "react-router-dom";

import "../i18n";

export function renderApp(ui: ReactElement, { route = "/" } = {}) {
  const qc = new QueryClient({ defaultOptions: { queries: { retry: false } } });
  const router = createMemoryRouter([{ path: "*", element: ui }], { initialEntries: [route] });

  return render(
    <QueryClientProvider client={qc}>
      <RouterProvider router={router} />
    </QueryClientProvider>,
  );
}

This is behavior-preserving: ui renders at route; tests that include their own <Routes> still nest under the * route; now a data-router context exists (so useBlocker works later).

  • Step 3: Full suite must stay green (the migration gate). Run ONCE:
cd web && pnpm typecheck && pnpm lint && pnpm test && pnpm build

Expected: ALL existing tests pass unchanged. If a test fails because it relied on MemoryRouter-specific behavior (e.g., asserting a redirect, or a component that rendered without its own <Routes> and needs params), investigate and fix the test's setup to the data-router equivalent WITHOUT weakening it. Report any test that needed adjustment and why. If many break, STOP and report (the migration approach may need a tweak) rather than mass-editing.

  • Step 4: Commit
git add web/src/app.tsx web/src/test/render.tsx
git commit -m "refactor(web): migrate to data router (createBrowserRouter) to enable useBlocker (#46)"

Task 2: Submit-disable + keyboard submit + "Save & create another"

Files: web/src/objects/object-form.tsx, web/src/objects/object-new-page.tsx, web/src/objects/object-edit-form.tsx, web/src/i18n/en.json, web/src/i18n/sv.json, tests.

  • Step 1: i18n — add to the form namespace in BOTH locales (parity):

    • en: "saving": "Saving…", "createAnother": "Save & create another"
    • sv: "saving": "Sparar…", "createAnother": "Spara & skapa ny"

  • Step 2: ObjectForm — make isSubmitting real + disable + the new button + Cmd/Ctrl+Enter.

    • Change the onSubmit prop type to: onSubmit: (values: ObjectFormValues, opts?: { createAnother?: boolean }) => Promise<boolean> | boolean;
    • Destructure isSubmitting: const { register, handleSubmit, formState: { errors, isSubmitting } } = form;
    • Add a ref: const createAnotherRef = useRef(false);
    • Rewrite submit to RETURN/await the promise (so RHF tracks it) and reset on create-another success:
const submit = handleSubmit(async (data) => {
  const fields = pruneFields(data.fields, localizedTextKeys, default_language);
  const values =
    mode === "create"
      ? { core: data.core, visibility: data.visibility, fields }
      : { core: data.core, fields };
  const createAnother = createAnotherRef.current;
  createAnotherRef.current = false;
  const ok = await onSubmit(values, { createAnother });
  if (ok && createAnother) {
    form.reset({ core: EMPTY_CORE, visibility: "draft", fields: {} });
    document.getElementById("object_number")?.focus();
  }
});
  • Add a keydown handler on the <form> for Cmd/Ctrl+Enter: onKeyDown={(e) => { if ((e.metaKey || e.ctrlKey) && e.key === "Enter") { e.preventDefault(); void submit(); } }}
  • Footer buttons:
<div className="flex gap-2 pt-2">
  <Button type="submit" disabled={isSubmitting} onClick={() => (createAnotherRef.current = false)}>
    {isSubmitting ? t("form.saving") : mode === "create" ? t("form.create") : t("form.save")}
  </Button>
  {mode === "create" && (
    <Button
      type="submit"
      variant="secondary"
      disabled={isSubmitting}
      onClick={() => (createAnotherRef.current = true)}
    >
      {t("form.createAnother")}
    </Button>
  )}
  <Button type="button" variant="ghost" disabled={isSubmitting} onClick={onCancel}>
    {t("form.cancel")}
  </Button>
</div>

(Add useRef to the React import. variant="secondary" — confirm it exists in ui/button.tsx; if not, use variant="outline" or default — check.)

  • Step 3: Update pages' onSubmit to return boolean + honor createAnother.
    • object-new-page.tsx:
const onSubmit = async (values: ObjectFormValues, opts?: { createAnother?: boolean }): Promise<boolean> => {
  setError(null);
  let id: string;
  try {
    const created = await create.mutateAsync({ ...values.core, visibility: values.visibility ?? "draft" });
    id = created.id;
  } catch {
    setError(t("form.rejected"));
    return false;
  }
  if (Object.keys(values.fields).length > 0) {
    try {
      await setFields.mutateAsync({ id, fields: values.fields });
    } catch (e) {
      const fieldErrorKey = e instanceof FieldRejection ? e.field : undefined;
      const fieldErrorCode = e instanceof FieldRejection ? e.code : undefined;
      navigate(`/objects/${id}/edit`, { state: { created: true, fieldErrorKey, fieldErrorCode } });
      return true;
    }
  }
  if (opts?.createAnother) return true; // success; ObjectForm resets, stays on /objects/new
  navigate(`/objects/${id}`);
  return true;
};

  • object-edit-form.tsx ObjectEditFormLoaded.onSubmit: return false in the catch, true after the success navigate. (Edit mode never passes createAnother.)

  • Step 4: Tests. Extend object-form.test.tsx / object-new-page.test.tsx:

    • During an in-flight create (MSW delayed handler, or assert the button is disabled + shows "Saving…" synchronously after submit), the create mutation is called exactly once on a double-click. (If timing is hard, at minimum assert the button becomes disabled while submitting and reads t("form.saving").)
    • "Save & create another": click it in create mode with a delayed/immediate success handler → after success the form is reset (e.g., object_number input is empty) and the location is still /objects/new (no navigation to detail). Use the renderApp data-router harness; assert location via a probe or that the form is still present + cleared.
    • Cmd/Ctrl+Enter triggers submit (fireEvent.keyDown with { key: "Enter", metaKey: true } → the create mutation fires).

  • Step 5: Verify (vitest ONCE). cd web && pnpm vitest run src/objects && pnpm typecheck && pnpm lint. Expected: PASS.

  • Step 6: Commit

git add web/src/objects/object-form.tsx web/src/objects/object-new-page.tsx web/src/objects/object-edit-form.tsx web/src/i18n/en.json web/src/i18n/sv.json web/src/objects/object-form.test.tsx web/src/objects/object-new-page.test.tsx
git commit -m "feat(web): disable submit while saving + Save & create another + Cmd/Ctrl+Enter (#46)"

Task 3: Validation messages (server code echo, type-specific core errors, min count)

Files: web/src/objects/object-form.tsx, web/src/objects/object-new-page.tsx, web/src/objects/object-edit-form.tsx, web/src/i18n/en.json, web/src/i18n/sv.json, tests.

  • Step 1: i18n — add to the form namespace (both locales, parity):

    • en: "minCount": "Must be at least 1", and a nested "fieldError": { "type_mismatch": "Wrong type for this field", "unresolved": "Referenced value not found", "unknown": "Unknown field" }.
    • sv: "minCount": "Måste vara minst 1", "fieldError": { "type_mismatch": "Fel typ för detta fält", "unresolved": "Refererat värde hittades inte", "unknown": "Okänt fält" }.

  • Step 2: ObjectForm — carry the rejection code + type-specific messages.

    • Add prop fieldErrorCode?: string | null; (alongside fieldErrorKey).
    • The highlight effect picks the code-specific message:
useEffect(() => {
  if (fieldErrorKey) {
    const codeKey = fieldErrorCode ? `form.fieldError.${fieldErrorCode}` : "";
    const message =
      fieldErrorCode && t(codeKey) !== codeKey ? t(codeKey) : t("form.fieldRejected", { field: fieldErrorKey });
    form.setError(`fields.${fieldErrorKey}` as never, { type: "server", message });
  }
}, [fieldErrorKey, fieldErrorCode, form, t]);
  • Core error render → message-aware (so min shows minCount, required falls back):
{errors.core?.[key] && (
  <p role="alert" className="text-xs text-destructive">
    {errors.core[key]?.message || t("form.required")}
  </p>
)}

  • number_of_objects min: in coreField, when registering a number with required, also pass min. Simplest: special-case the count field by giving coreField an optional min and rendering. Concretely change the number_of_objects registration to include min: { value: 1, message: t("form.minCount") }. Implement by extending coreField's opts with min?: number and, when set, register { valueAsNumber: true, required, min: { value: opts.min, message: t("form.minCount") } }; call coreField("number_of_objects", "count", { type: "number", required: true, min: 1 }).

  • Step 3: Pass the code through the pages.

    • object-edit-form.tsx: in the FieldRejection catch, also setFieldErrorCode(e.code) (add a fieldErrorCode state) and pass fieldErrorCode to <ObjectForm>. Also seed it from location.state.fieldErrorCode (set by the create teleport). The banner stays form.fieldRejected (or upgrade to code-specific too — optional; the field highlight is the key UX).
    • <ObjectForm ... fieldErrorKey={fieldErrorKey} fieldErrorCode={fieldErrorCode} />.

  • Step 4: Tests. Extend object-edit-form.test.tsx:

    • A setFields 422 with { field: "...", code: "type_mismatch" } → the field shows the form.fieldError.type_mismatch message (assert the text).
    • number_of_objects set to 0 and submit → the form.minCount message shows and NO create/update mutation is called (client-side block). (In object-form.test.tsx or a page test.)

  • Step 5: Verify (vitest ONCE). cd web && pnpm vitest run src/objects && pnpm typecheck && pnpm lint. PASS.

  • Step 6: Commit

git add web/src/objects/object-form.tsx web/src/objects/object-edit-form.tsx web/src/objects/object-new-page.tsx web/src/i18n/en.json web/src/i18n/sv.json web/src/objects/object-edit-form.test.tsx web/src/objects/object-form.test.tsx
git commit -m "feat(web): code-aware field errors + min count validation (#46)"

Task 4: Unsaved-changes guard

Files: web/src/lib/use-unsaved-changes.tsx (new), web/src/objects/object-form.tsx, web/src/i18n/en.json, web/src/i18n/sv.json, web/src/lib/use-unsaved-changes.test.tsx (new) or extend object-form tests.

  • Step 1: i18n — add a form.unsaved namespace (both locales, parity):

    • en: "unsaved": { "title": "Discard unsaved changes?", "body": "You have unsaved changes that will be lost.", "stay": "Keep editing", "leave": "Discard" }
    • sv: "unsaved": { "title": "Kasta osparade ändringar?", "body": "Du har osparade ändringar som går förlorade.", "stay": "Fortsätt redigera", "leave": "Kasta" }

  • Step 2: The hook + dialog web/src/lib/use-unsaved-changes.tsx:

import { useEffect } from "react";
import { useBlocker } from "react-router-dom";

export function useUnsavedChanges(active: boolean) {
  const blocker = useBlocker(active);

  useEffect(() => {
    if (!active) return;
    const handler = (e: BeforeUnloadEvent) => {
      e.preventDefault();
      e.returnValue = "";
    };
    window.addEventListener("beforeunload", handler);
    return () => window.removeEventListener("beforeunload", handler);
  }, [active]);

  return blocker;
}

And an UnsavedChangesDialog component (same file or a sibling) using ui/alert-dialog, driven by the blocker:

import { useTranslation } from "react-i18next";
import type { Blocker } from "react-router-dom";
import {
  AlertDialog, AlertDialogContent, AlertDialogHeader, AlertDialogTitle,
  AlertDialogDescription, AlertDialogFooter, AlertDialogCancel, AlertDialogAction,
} from "@/components/ui/alert-dialog";

export function UnsavedChangesDialog({ blocker }: { blocker: Blocker }) {
  const { t } = useTranslation();
  const open = blocker.state === "blocked";
  return (
    <AlertDialog open={open} onOpenChange={(o) => { if (!o) blocker.reset?.(); }}>
      <AlertDialogContent>
        <AlertDialogHeader>
          <AlertDialogTitle>{t("form.unsaved.title")}</AlertDialogTitle>
          <AlertDialogDescription>{t("form.unsaved.body")}</AlertDialogDescription>
        </AlertDialogHeader>
        <AlertDialogFooter>
          <AlertDialogCancel onClick={() => blocker.reset?.()}>{t("form.unsaved.stay")}</AlertDialogCancel>
          <AlertDialogAction onClick={() => blocker.proceed?.()}>{t("form.unsaved.leave")}</AlertDialogAction>
        </AlertDialogFooter>
      </AlertDialog>
    </AlertDialog>
  );
}

IMPORTANT: open web/src/components/ui/alert-dialog.tsx and match the EXACT exported part names/props (AlertDialog may take open/onOpenChange, or be trigger-driven — adapt to the real API; the delete dialogs in web/src/objects/delete-object-dialog.tsx / components/delete-confirm-dialog.tsx show the controlled usage to mirror). The dialog must be openable WITHOUT a trigger (controlled by open). Validate by running the test.

  • Step 3: Wire into ObjectForm.

    • const isDirty = form.formState.isDirty;
    • const blocker = useUnsavedChanges(isDirty && !isSubmitting);
    • Render <UnsavedChangesDialog blocker={blocker} /> inside the form's container.
    • Cancel now just calls onCancel (which navigates) — the blocker intercepts it and shows the dialog automatically when dirty. (No separate confirm needed; confirm this in the test.)

  • Step 4: Tests web/src/lib/use-unsaved-changes.test.tsx (and/or extend object-form):

    • Render a small component (or the ObjectForm) under the renderApp data-router harness with two routes; with a dirty form, click a <Link>/Cancel → the dialog appears; "Keep editing" stays (location unchanged), "Discard" proceeds (location changes).
    • beforeunload: with active=true, a beforeunload event is registered (spy on window.addEventListener) and not when inactive.
    • A clean form navigates without the dialog.
    • Saving (isSubmitting true) does NOT block — simulate or assert via the isDirty && !isSubmitting condition (e.g., the blocker arg is false during submit).

  • Step 5: Verify (vitest ONCE). cd web && pnpm vitest run src/objects src/lib && pnpm typecheck && pnpm lint. PASS.

  • Step 6: Commit

git add web/src/lib/use-unsaved-changes.tsx web/src/objects/object-form.tsx web/src/i18n/en.json web/src/i18n/sv.json web/src/lib/use-unsaved-changes.test.tsx
git commit -m "feat(web): unsaved-changes guard (useBlocker + beforeunload) on the object form (#46)"

Task 5: Partial-failure unification + final gate

Files: web/src/objects/object-edit-form.tsx, web/src/i18n/en.json, web/src/i18n/sv.json, tests.

(Task 2 already changed the create page to pass state: { created: true, fieldErrorKey, fieldErrorCode }. This task handles the edit page's reading of it + messaging.)

  • Step 1: i18n — add (both locales, parity): en "createdButFieldRejected": "Object created, but a field was rejected — fix it below."; sv "createdButFieldRejected": "Föremålet skapades, men ett fält avvisades — åtgärda nedan.".

  • Step 2: Edit page reads created. In ObjectEditFormLoaded, broaden the locationState type to { created?: boolean; fieldsError?: boolean; fieldErrorKey?: string; fieldErrorCode?: string } | null and seed the banner:

const [error, setError] = useState<string | null>(() => {
  if (locationState?.created) return t("form.createdButFieldRejected");
  if (locationState?.fieldErrorKey) return t("form.fieldRejected", { field: locationState.fieldErrorKey });
  if (locationState?.fieldsError) return t("form.rejected");
  return null;
});
const [fieldErrorKey, setFieldErrorKey] = useState<string | null>(locationState?.fieldErrorKey ?? null);
const [fieldErrorCode, setFieldErrorCode] = useState<string | null>(locationState?.fieldErrorCode ?? null);

(Keep backward compatibility: the create page from T2 sends created; older fieldsError branch can remain or be removed since T2 replaced it — remove fieldsError seeding if no longer sent.)

  • Step 3: Tests. Update object-new-page.test.tsx: the create→setFields-422 path now navigates to /objects/:id/edit and the edit form shows the form.createdButFieldRejected banner + highlights the field. (The existing partial-failure test asserted the old fieldsError flow — update it to the new created message, not weakened.)

  • Step 4: FULL GATE (run tests EXACTLY ONCE):

cd web && pnpm typecheck && pnpm lint && pnpm test && pnpm build && pnpm check:size && pnpm check:colors

All green. Report test totals, largest chunk, check:colors line.

  • Step 5: Codename + status:
cd /Users/olsson/Laboratory/biggus-dickus
git grep -in 'biggus\|dickus' -- web/src; echo "codename-exit=$?"
git status --short

  • Step 6: Manual smoke (recommended). pnpm dev: create with a bad field → lands on edit with "Object created, but a field was rejected"; submit disables + "Saving…"; edit a field then try to leave (sidebar/Cancel/reload) → guard prompts; "Save & create another" resets; count 0 blocked client-side; Cmd+Enter submits.

  • Step 7: Commit

git add web/src/objects/object-edit-form.tsx web/src/i18n/en.json web/src/i18n/sv.json web/src/objects/object-new-page.test.tsx
git commit -m "feat(web): unify create/edit partial-failure recovery with 'created' banner (#46)"

Self-Review (completed)

Spec coverage: data-router migration + harness, full suite green (T1); submit-disable via real isSubmitting + Cmd/Ctrl+Enter + Save-&-create-another (T2); code-aware field errors + type-specific core errors + min count (T3); unsaved-changes guard via useBlocker(isDirty && !isSubmitting) + beforeunload + dialog, Cancel through the blocker (T4); partial-failure unified to the edit route with a "created" banner (T5, building on T2's create-side state). All acceptance criteria 1–7 mapped. ✓

Placeholder scan: the alert-dialog wiring says "match the exact exported parts" with the delete dialogs named as the reference — a concrete adapt-to-real-API step, not a TODO. variant="secondary" flagged to verify against button.tsx. No vague steps; all code blocks complete. ✓

Type/flow consistency: onSubmit returns Promise<boolean>|boolean (T2) — both pages updated to return booleans; createAnotherRef gates the reset; fieldErrorCode prop added (T3) and threaded from both the edit catch and the create teleport state (T2/T5); the guard condition isDirty && !isSubmitting ensures save/teleport navigation (still submitting) is never blocked — consistent across T2/T4/T5. ✓

Notes

  • The single biggest correctness lever: handleSubmit must RETURN/await onSubmit so isSubmitting is real (T2) — both the submit-disable AND the guard's non-blocking-while-saving depend on it.
  • useBlocker(boolean) (RR v7) blocks all nav when true; Cancel and sidebar links both flow through the one dialog. Save-driven nav happens while isSubmitting → condition false → not blocked.
  • No new dependency. New i18n keys: form.saving/createAnother/minCount/createdButFieldRejected + form.fieldError.* + form.unsaved.* (en+sv parity). No keys removed.
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