yiekheng
ee74ebda64
The header used to show '200+' once the user had loaded a partial set
of pages — opaque, useless for an operator who actually needs to know
'how many accounts are in the system right now'.
Server (app/cm_api.py):
- /acc/ and /user/ list responses now wrap the rows alongside a
COUNT(*) of the table: { rows: [...], total: N }. The single-row
/acc/<username> path is unchanged (still returns Acc[] with one row).
- Each list request issues both queries (the page SELECT and the COUNT)
on the same pooled connection. COUNT(*) on a 3k-row table is sub-ms;
even when the cache misses, total request latency stays well under
20ms on warm-cache MySQL.
Web client:
- web/lib/api.ts: Page<T> gains a field; getAccountsPage and
getUsersPage parse the new wrapped response.
- web/app/page.tsx + users/page.tsx: pass page.total down as
initialTotal.
- web/components/{accounts,users}-table.tsx: hold total in state, sync
it from every page fetch (initial, loadMore, sort change, force
refresh) so cm99 monitor inserts during the session bump it correctly.
Delete decrements it by 1 immediately so the header doesn't lie
between the optimistic delete and the next refresh.
- PageHead now shows '<total>' as the big number. When loaded < total,
a small zinc-400 line below reads 'Showing X of N — keep scrolling
to load more'. Once the user reaches the end, the line goes away.
No new round trips for the count: it piggybacks on the same /acc/?...
or /user/?... request that already fetches the page. The 30s cache
covers the count too — so tab switches still don't hit MySQL.
505 lines
18 KiB
TypeScript
505 lines
18 KiB
TypeScript
"use client";
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import { useEffect, useOptimistic, useRef, useState, useTransition } from "react";
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import type { Acc } from "@/lib/types";
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import {
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deleteAccount,
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loadMoreAccounts,
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refreshAccounts,
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updateAccount,
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} from "@/app/actions";
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import EditableCell from "./editable-cell";
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import ConfirmDialog from "./confirm-dialog";
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import CreateAccountDialog from "./create-account-dialog";
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import Toast, { type ToastMessage } from "./toast";
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type Props = {
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initial: Acc[];
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initialHasMore: boolean;
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initialTotal: number;
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prefixPattern: string;
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};
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type SortDir = "asc" | "desc";
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type OptimisticPatch = { username: string; field: keyof Acc; value: string };
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function StatusBadge({ status }: { status: string }) {
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const map: Record<string, { bg: string; fg: string; label: string }> = {
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"": { bg: "bg-zinc-100", fg: "text-zinc-600", label: "available" },
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wait: { bg: "bg-amber-100", fg: "text-amber-700", label: "wait" },
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done: { bg: "bg-emerald-100", fg: "text-emerald-700", label: "done" },
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};
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const v = map[status] ?? { bg: "bg-zinc-100", fg: "text-zinc-600", label: status || "—" };
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return (
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<span
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className={`inline-flex items-center rounded-full ${v.bg} ${v.fg} px-2 py-0.5 text-[11px] font-medium`}
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>
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{v.label}
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</span>
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);
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}
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function DeleteButton({
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label,
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onClick,
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}: {
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label: string;
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onClick: () => void;
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}) {
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return (
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<button
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type="button"
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onClick={onClick}
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aria-label={`Delete ${label}`}
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className="inline-flex h-7 w-7 items-center justify-center rounded-md text-zinc-400 transition-colors hover:bg-red-50 hover:text-red-600 focus:outline-none focus-visible:ring-2 focus-visible:ring-red-400"
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>
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<span aria-hidden="true" className="text-base leading-none">
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×
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</span>
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</button>
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);
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}
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export default function AccountsTable({
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initial,
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initialHasMore,
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initialTotal,
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prefixPattern,
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}: Props) {
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const [sortDir, setSortDir] = useState<SortDir>("desc");
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const [editingKey, setEditingKey] = useState<string | null>(null);
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const [, startTransition] = useTransition();
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const [refreshing, setRefreshing] = useState(false);
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const [loadingMore, setLoadingMore] = useState(false);
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const [deleteTarget, setDeleteTarget] = useState<string | null>(null);
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const [deleting, setDeleting] = useState(false);
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const [deleteError, setDeleteError] = useState<string | null>(null);
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const [createOpen, setCreateOpen] = useState(false);
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const [toast, setToast] = useState<ToastMessage | null>(null);
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// Accumulated rows from initial server-side fetch + every loadMore.
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const [rows, setRows] = useState<Acc[]>(initial);
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const [hasMore, setHasMore] = useState<boolean>(initialHasMore);
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// Total row count in the DB; updated on every page fetch so it stays
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// fresh as external writes (the cm99 monitor) add rows. Mutations
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// adjust it locally so the header doesn't flash a stale count between
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// the optimistic update and the next page-fresh count.
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const [total, setTotal] = useState<number>(initialTotal);
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const sentinelRef = useRef<HTMLDivElement | null>(null);
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const [optimistic, applyOptimistic] = useOptimistic<Acc[], OptimisticPatch>(
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rows,
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(state, patch) =>
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state.map((row) =>
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row.username === patch.username ? { ...row, [patch.field]: patch.value } : row,
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),
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);
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function saveCell(username: string, field: keyof Acc, value: string) {
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return new Promise<{ ok: boolean; error?: string }>((resolve) => {
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startTransition(async () => {
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applyOptimistic({ username, field, value });
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const row = rows.find((r) => r.username === username);
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if (!row) return resolve({ ok: false, error: "row not found" });
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const next: Acc = { ...row, [field]: value };
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const result = await updateAccount(next);
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if (result.ok) {
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setRows((prev) => prev.map((r) => (r.username === username ? next : r)));
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resolve({ ok: true });
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} else {
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resolve({ ok: false, error: result.error });
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}
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});
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});
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}
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async function refresh() {
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setRefreshing(true);
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try {
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const page = await refreshAccounts({ prefix: prefixPattern, dir: sortDir });
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setRows(page.rows);
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setHasMore(page.hasMore);
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setTotal(page.total);
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} finally {
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setRefreshing(false);
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}
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}
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async function changeSort(next: SortDir) {
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if (next === sortDir) return;
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setSortDir(next);
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setLoadingMore(true);
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try {
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const page = await loadMoreAccounts({
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offset: 0,
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prefix: prefixPattern,
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dir: next,
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});
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setRows(page.rows);
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setHasMore(page.hasMore);
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setTotal(page.total);
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} finally {
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setLoadingMore(false);
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}
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}
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// Infinite scroll: when sentinel enters viewport, fetch the next page.
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// 300px rootMargin so the next page starts loading before the user
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// hits the bottom — feels seamless when scrolling fast.
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useEffect(() => {
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if (!hasMore || loadingMore || refreshing) return;
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const sentinel = sentinelRef.current;
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if (!sentinel) return;
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const observer = new IntersectionObserver(
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(entries) => {
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if (!entries.some((e) => e.isIntersecting)) return;
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setLoadingMore(true);
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loadMoreAccounts({
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offset: rows.length,
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prefix: prefixPattern,
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dir: sortDir,
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})
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.then((page) => {
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setRows((prev) => [...prev, ...page.rows]);
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setHasMore(page.hasMore);
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setTotal(page.total);
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})
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.catch((err) => console.error("loadMoreAccounts failed:", err))
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.finally(() => setLoadingMore(false));
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},
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{ rootMargin: "300px 0px" },
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);
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observer.observe(sentinel);
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return () => observer.disconnect();
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}, [hasMore, loadingMore, refreshing, rows.length, prefixPattern, sortDir]);
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async function confirmDelete() {
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if (!deleteTarget) return;
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setDeleting(true);
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setDeleteError(null);
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const result = await deleteAccount(deleteTarget);
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setDeleting(false);
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if (result.ok) {
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const deleted = deleteTarget;
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setRows((prev) => prev.filter((r) => r.username !== deleted));
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setTotal((t) => Math.max(0, t - 1));
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setDeleteTarget(null);
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setToast({ type: "success", message: `Account ${deleted} deleted` });
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} else {
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setDeleteError(result.error);
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}
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}
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if (rows.length === 0) {
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return (
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<div>
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<PageHead
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total={total}
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loaded={0}
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onRefresh={refresh}
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refreshing={refreshing}
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onAdd={() => setCreateOpen(true)}
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/>
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<div className="mt-6 rounded-2xl bg-white px-8 py-16 text-center ring-1 ring-zinc-200/60">
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<p className="text-sm text-zinc-500">
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No accounts yet. Click <span className="font-medium text-zinc-700">Add</span> above to create one manually, or wait for the monitor.
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</p>
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</div>
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<CreateAccountDialog
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open={createOpen}
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onClose={() => setCreateOpen(false)}
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onSuccess={async (name) => {
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setToast({ type: "success", message: `Account ${name} created` });
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// Force-refresh from page 1 so the new row appears in its
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// sorted position. (We don't know where it ranks otherwise.)
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await refresh();
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}}
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prefixPattern={prefixPattern}
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/>
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</div>
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);
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}
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return (
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<div>
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<PageHead
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total={total}
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loaded={optimistic.length}
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onRefresh={refresh}
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refreshing={refreshing}
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onAdd={() => setCreateOpen(true)}
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/>
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{/* Desktop / tablet table */}
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<div className="mt-6 hidden overflow-hidden rounded-2xl bg-white ring-1 ring-zinc-200/60 sm:block">
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<table className="w-full table-fixed border-collapse">
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<thead>
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<tr className="bg-zinc-50/60">
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<th className="w-[18%] px-5 py-3 text-left">
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<button
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type="button"
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onClick={() => changeSort(sortDir === "asc" ? "desc" : "asc")}
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className="inline-flex items-center gap-1 text-[11px] font-medium uppercase tracking-wider text-zinc-500 transition-colors hover:text-zinc-900"
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>
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Username
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<span aria-hidden="true">{sortDir === "asc" ? "↑" : "↓"}</span>
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</button>
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</th>
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<Th>Password</Th>
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<Th className="w-[16%]">Status</Th>
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<Th>Link</Th>
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<th className="w-12 px-3 py-3" aria-hidden="true" />
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</tr>
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</thead>
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<tbody className="divide-y divide-zinc-100">
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{optimistic.map((row) => {
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const k = (f: string) => `${row.username}::${f}`;
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return (
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<tr key={row.username} className="transition-colors hover:bg-zinc-50/60">
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<td className="px-5 py-3 align-middle font-mono text-[13px] font-semibold text-zinc-900">
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{row.username}
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</td>
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<td className="px-5 py-3 align-middle">
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<EditableCell
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value={row.password}
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label={`password for ${row.username}`}
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isCurrentlyEditing={editingKey === k("password")}
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onEditStart={() => setEditingKey(k("password"))}
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onEditEnd={() => setEditingKey(null)}
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onSave={(v) => saveCell(row.username, "password", v)}
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/>
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</td>
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<td className="px-5 py-3 align-middle">
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<EditableCell
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value={row.status}
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label={`status for ${row.username}`}
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isCurrentlyEditing={editingKey === k("status")}
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onEditStart={() => setEditingKey(k("status"))}
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onEditEnd={() => setEditingKey(null)}
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onSave={(v) => saveCell(row.username, "status", v)}
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renderView={(v) => <StatusBadge status={v} />}
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/>
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</td>
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<td className="px-5 py-3 align-middle">
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<EditableCell
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value={row.link}
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label={`link for ${row.username}`}
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isCurrentlyEditing={editingKey === k("link")}
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onEditStart={() => setEditingKey(k("link"))}
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onEditEnd={() => setEditingKey(null)}
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onSave={(v) => saveCell(row.username, "link", v)}
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/>
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</td>
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<td className="px-3 py-3 text-right align-middle">
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<DeleteButton
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label={row.username}
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onClick={() => {
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setDeleteError(null);
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setDeleteTarget(row.username);
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}}
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/>
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</td>
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</tr>
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);
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})}
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</tbody>
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</table>
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</div>
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{/* Mobile cards */}
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<div className="mt-6 space-y-3 sm:hidden">
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{optimistic.map((row) => {
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const k = (f: string) => `${row.username}::${f}`;
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return (
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<div key={row.username} className="rounded-2xl bg-white p-5 ring-1 ring-zinc-200/60">
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<div className="flex items-center justify-between gap-3">
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<div className="flex min-w-0 items-center gap-3">
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<span className="shrink-0 font-mono text-base font-semibold text-zinc-900">
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{row.username}
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</span>
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<div className="min-w-0 flex-1">
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<EditableCell
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value={row.status}
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label={`status for ${row.username}`}
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isCurrentlyEditing={editingKey === k("status")}
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onEditStart={() => setEditingKey(k("status"))}
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onEditEnd={() => setEditingKey(null)}
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onSave={(v) => saveCell(row.username, "status", v)}
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renderView={(v) => <StatusBadge status={v} />}
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/>
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</div>
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</div>
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<DeleteButton
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label={row.username}
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onClick={() => {
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setDeleteError(null);
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setDeleteTarget(row.username);
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}}
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/>
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</div>
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<dl className="mt-4 space-y-3 border-t border-zinc-100 pt-4">
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<CardRow label="Password">
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<EditableCell
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value={row.password}
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label={`password for ${row.username}`}
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isCurrentlyEditing={editingKey === k("password")}
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onEditStart={() => setEditingKey(k("password"))}
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onEditEnd={() => setEditingKey(null)}
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onSave={(v) => saveCell(row.username, "password", v)}
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/>
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</CardRow>
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<CardRow label="Link">
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<EditableCell
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value={row.link}
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label={`link for ${row.username}`}
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isCurrentlyEditing={editingKey === k("link")}
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onEditStart={() => setEditingKey(k("link"))}
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onEditEnd={() => setEditingKey(null)}
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onSave={(v) => saveCell(row.username, "link", v)}
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/>
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</CardRow>
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</dl>
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</div>
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);
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})}
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</div>
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{/* Sentinel for infinite scroll. Hidden visually unless we're at
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the bottom; the IntersectionObserver triggers loadMore as it
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comes into view. */}
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<div ref={sentinelRef} className="h-10" aria-hidden="true" />
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{loadingMore && (
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<p className="mt-4 text-center text-[11px] font-medium uppercase tracking-wider text-zinc-400">
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Loading more…
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</p>
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)}
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{!hasMore && rows.length > 0 && (
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<p className="mt-6 text-center text-[11px] text-zinc-400">
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End of list — {rows.length} accounts loaded
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</p>
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)}
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<CreateAccountDialog
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open={createOpen}
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onClose={() => setCreateOpen(false)}
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onSuccess={async (name) => {
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setToast({ type: "success", message: `Account ${name} created` });
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await refresh();
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}}
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prefixPattern={prefixPattern}
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/>
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<Toast toast={toast} onDismiss={() => setToast(null)} />
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<ConfirmDialog
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open={!!deleteTarget}
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onCancel={() => {
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if (!deleting) setDeleteTarget(null);
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}}
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onConfirm={confirmDelete}
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title={`Delete ${deleteTarget ?? ""}?`}
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message={
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<>
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<p>
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Permanently remove{" "}
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<code className="rounded bg-zinc-100 px-1.5 py-0.5 font-mono text-xs text-zinc-700">
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{deleteTarget}
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</code>{" "}
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from the accounts table. This action cannot be undone.
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</p>
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{deleteError && (
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<p className="mt-3 font-mono text-[11px] text-red-600" role="alert">
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{deleteError}
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</p>
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)}
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</>
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}
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confirmLabel="Delete"
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destructive
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pending={deleting}
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/>
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</div>
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);
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}
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function Th({ children, className = "" }: { children: React.ReactNode; className?: string }) {
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return (
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<th
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className={`px-5 py-3 text-left text-[11px] font-medium uppercase tracking-wider text-zinc-500 ${className}`}
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>
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{children}
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</th>
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);
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}
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function CardRow({ label, children }: { label: string; children: React.ReactNode }) {
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return (
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<div className="grid grid-cols-[max-content_1fr] items-baseline gap-x-4">
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<dt className="text-[11px] font-medium uppercase tracking-wider text-zinc-500">
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{label}
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</dt>
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<dd className="min-w-0">{children}</dd>
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</div>
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);
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}
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|
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function PageHead({
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total,
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loaded,
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onRefresh,
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refreshing,
|
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onAdd,
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}: {
|
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total: number;
|
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loaded: number;
|
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onRefresh: () => void;
|
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refreshing: boolean;
|
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onAdd: () => void;
|
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}) {
|
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// total = COUNT(*) from the API; loaded = how many rows the user has
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// scrolled in so far. Show the partial count only while it differs
|
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// from the total, so a fully-scrolled list reads cleanly.
|
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const showLoaded = loaded > 0 && loaded < total;
|
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return (
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<div className="flex flex-wrap items-end justify-between gap-4">
|
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<div>
|
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<p className="text-[11px] font-medium uppercase tracking-wider text-zinc-500">
|
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Table
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</p>
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<h1 className="mt-1 text-2xl font-semibold tracking-tight text-zinc-900 sm:text-3xl">
|
||
Accounts
|
||
<span className="ml-2 align-middle text-base font-medium text-zinc-400">
|
||
{total}
|
||
</span>
|
||
</h1>
|
||
{showLoaded && (
|
||
<p className="mt-1 text-[11px] text-zinc-400">
|
||
Showing {loaded} of {total} — keep scrolling to load more
|
||
</p>
|
||
)}
|
||
</div>
|
||
<div className="flex items-center gap-2">
|
||
<button
|
||
type="button"
|
||
onClick={onRefresh}
|
||
disabled={refreshing}
|
||
className="inline-flex items-center gap-2 rounded-full bg-white px-4 py-2 text-xs font-medium text-zinc-700 shadow-sm ring-1 ring-zinc-200 transition-colors hover:bg-zinc-50 hover:text-zinc-900 disabled:opacity-60"
|
||
>
|
||
<span aria-hidden="true" className={refreshing ? "inline-block animate-spin" : ""}>
|
||
⟳
|
||
</span>
|
||
Refresh
|
||
</button>
|
||
<button
|
||
type="button"
|
||
onClick={onAdd}
|
||
className="inline-flex items-center gap-1.5 rounded-full bg-zinc-900 px-4 py-2 text-xs font-medium text-white shadow-sm transition-colors hover:bg-zinc-700"
|
||
>
|
||
<span aria-hidden="true">+</span>
|
||
Add
|
||
</button>
|
||
</div>
|
||
</div>
|
||
);
|
||
}
|