refactor: faxina arquitetural — código morto, identificadores em inglês e estrutura padronizada

Refatoração estrutural sem mudanças funcionais. Saldo líquido: −428 linhas.

Removido:
- 14 funções/constantes mortas verificadas via grep no repo todo: validateCategoriaOwnership,
  getInstallmentAnticipationsAction, getAnticipationDetailsAction, formatDecimalForDb,
  currencyFormatterNoCents, optionalDecimalSchema, formatMonthLabel,
  getGoalProgressStatusColorClass, MONTH_PERIOD_PARAM, calculateRemainingInstallments,
  e 5 funções fetch* não usadas em inbox/queries.ts.
- 1 tipo morto (ImportRow) + 2 órfãos consequentes (InstallmentAnticipationWithRelations,
  GoalProgressStatus convertido em interno).
- ~30 export keywords desnecessários (símbolos usados apenas no próprio arquivo).
- Re-exports mortos em barrels: EstablishmentLogoPicker, CategoryReportSkeleton,
  WidgetSkeleton, toNameKey.
- Arquivo features/reports/types.ts (barrel inteiro era órfão).

Padronizado (PT-BR→EN em identificadores expostos):
- 4 constantes globais (LANCAMENTOS_* → TRANSACTIONS_*).
- 12 tipos/interfaces (Lancamento*/Pagador*/Estabelecimento* → equivalentes EN).
- 13 funções/components exportados (fetchPagador*, EstabelecimentoInput, PagadorInfoCard, etc.).
- 5 props cross-file (preLancamentosCount → inboxPendingCount, pagadorAvatarUrl → payerAvatarUrl, etc.).
- Mantidas em PT-BR conforme exceção do CLAUDE.md: variáveis locais (pagador, categoria,
  lancamento), accessor key pagadorName (persistida em preferências), strings de UI.

Reorganizado:
- transactions/: 14 helpers soltos na raiz movidos para lib/; barrel actions.ts reduzido
  de 76 linhas de wrappers para 14 linhas de re-exports puros; anticipation-actions.ts
  movido para actions/anticipation.ts.
- dashboard/: 8 helpers soltos consolidados em dashboard/lib/.
- reports/: 5 query files na raiz consolidados em reports/lib/.
- payers/: detail-actions.ts (21KB) e detail-queries.ts movidos para payers/lib/.
- shared/components/: 9 dos 16 componentes soltos agrupados em brand/, widgets/, feedback/.
- shared/lib/fetch-json.ts movido para shared/utils/fetch-json.ts.

Validação: pnpm exec tsc --noEmit (0 erros), biome check (0 issues), knip (sem unused).

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/shared/components/feedback/empty-state.tsx

@@ -0,0 +1,53 @@
+import type { ReactNode } from "react";
+import {
+	Empty,
+	EmptyContent,
+	EmptyDescription,
+	EmptyHeader,
+	EmptyMedia,
+	EmptyTitle,
+} from "@/shared/components/ui/empty";
+import { cn } from "@/shared/utils/ui";
+
+interface EmptyStateProps {
+	title: ReactNode;
+	description?: ReactNode;
+	action?: ReactNode;
+	media?: ReactNode;
+	mediaVariant?: "default" | "icon";
+	className?: string;
+	contentClassName?: string;
+	children?: ReactNode;
+}
+
+export function EmptyState({
+	title,
+	description,
+	media,
+	mediaVariant = "default",
+	className,
+	contentClassName,
+	children,
+}: EmptyStateProps) {
+	const hasContent = Boolean(children);
+
+	return (
+		<Empty className={cn("w-full max-w-xl min-h-[320px]", className)}>
+			<EmptyHeader>
+				{media ? (
+					<EmptyMedia variant={mediaVariant} className="mb-0">
+						{media}
+					</EmptyMedia>
+				) : null}
+				<EmptyTitle>{title}</EmptyTitle>
+				{description ? (
+					<EmptyDescription>{description}</EmptyDescription>
+				) : null}
+			</EmptyHeader>
+
+			{hasContent ? (
+				<EmptyContent className={cn(contentClassName)}>{children}</EmptyContent>
+			) : null}
+		</Empty>
+	);
+}

src/shared/components/feedback/payment-success.tsx

@@ -0,0 +1,109 @@
+"use client";
+
+import { RiCheckboxCircleFill } from "@remixicon/react";
+import confetti from "canvas-confetti";
+import { useEffect } from "react";
+import { Button } from "@/shared/components/ui/button";
+import {
+	DialogDescription,
+	DialogFooter,
+	DialogTitle,
+} from "@/shared/components/ui/dialog";
+
+// Tons baseados na primary: oklch(72% 0.163 50) ≈ laranja quente
+const PRIMARY_CONFETTI_COLORS = [
+	"#e07a3a", // primary base
+	"#f5a870", // primary claro
+	"#ffd4a8", // primary muito claro
+	"#b85520", // primary escuro
+	"#8a3a10", // primary muito escuro
+	"#f5c896", // tom pastel
+];
+
+type PaymentSuccessProps = {
+	title: string;
+	description: string;
+	onClose: () => void;
+};
+
+export function PaymentSuccess({
+	title,
+	description,
+	onClose,
+}: PaymentSuccessProps) {
+	useEffect(() => {
+		const origin = { x: 0.5, y: 0.4 };
+
+		confetti({
+			particleCount: 80,
+			spread: 70,
+			origin,
+			colors: PRIMARY_CONFETTI_COLORS,
+			startVelocity: 28,
+			gravity: 1.2,
+			scalar: 0.9,
+			ticks: 200,
+		});
+
+		const t1 = setTimeout(() => {
+			confetti({
+				particleCount: 40,
+				spread: 50,
+				origin: { x: 0.3, y: 0.45 },
+				colors: PRIMARY_CONFETTI_COLORS,
+				startVelocity: 22,
+				gravity: 1.1,
+				scalar: 0.8,
+				ticks: 180,
+			});
+		}, 150);
+
+		const t2 = setTimeout(() => {
+			confetti({
+				particleCount: 40,
+				spread: 50,
+				origin: { x: 0.7, y: 0.45 },
+				colors: PRIMARY_CONFETTI_COLORS,
+				startVelocity: 22,
+				gravity: 1.1,
+				scalar: 0.8,
+				ticks: 180,
+			});
+		}, 250);
+
+		return () => {
+			clearTimeout(t1);
+			clearTimeout(t2);
+		};
+	}, []);
+
+	return (
+		<div className="flex flex-col items-center gap-6 px-2 py-8 text-center">
+			<div className="relative flex items-center justify-center">
+				{/* Anel de pulso */}
+				<span className="absolute inline-flex size-24 animate-ping rounded-full bg-primary opacity-10" />
+				<span className="absolute inline-flex size-20 rounded-full bg-primary/15" />
+				<div className="relative flex size-16 items-center justify-center rounded-full bg-primary shadow-lg shadow-primary/30">
+					<RiCheckboxCircleFill className="size-8 text-primary-foreground" />
+				</div>
+			</div>
+
+			<div className="space-y-2">
+				<DialogTitle className="text-xl font-semibold">{title}</DialogTitle>
+				<DialogDescription className="text-sm leading-relaxed">
+					{description}
+				</DialogDescription>
+			</div>
+
+			<DialogFooter className="w-full sm:justify-center">
+				<Button
+					type="button"
+					onClick={onClose}
+					className="w-full sm:w-auto sm:min-w-32"
+				>
+					Fechar
+				</Button>
+			</DialogFooter>
+		</div>
+	);
+}

src/shared/components/feedback/status-dot.tsx

@@ -0,0 +1,19 @@
+import { cn } from "@/shared/utils";
+
+type StatusDotProps = {
+	color: string;
+	className?: string;
+};
+
+export default function StatusDot({ color, className }: StatusDotProps) {
+	return (
+		<span
+			className={cn(
+				"inline-block size-2 shrink-0 rounded-full",
+				color,
+				className,
+			)}
+			aria-hidden="true"
+		/>
+	);
+}