diff --git a/frontend/src/lib/components/ui/error-panel-notice.svelte b/frontend/src/lib/components/ui/error-panel-notice.svelte
index e69de29b..996f4db3 100644
--- a/frontend/src/lib/components/ui/error-panel-notice.svelte
+++ b/frontend/src/lib/components/ui/error-panel-notice.svelte
@@ -0,0 +1,203 @@
+<script lang="ts">
+	import { AlertCircle, AlertTriangle, ChevronDown, ChevronUp, X } from 'lucide-svelte';
+	import { cn } from '$lib/utils';
+
+	export type ErrorPanelNoticeRow = {
+		field: string;
+		message: string;
+	};
+
+	export type ErrorPanelNoticeVariant = 'error' | 'warning';
+
+	export type ErrorPanelNoticeLabels = {
+		clear: string;
+		columnType: string;
+		columnField: string;
+		columnMessage: string;
+		emptyField: string;
+		dismissRowAria: string;
+		toggleDetailsAria: string;
+	};
+
+	let {
+		open,
+		variant = 'error',
+		title,
+		rows = [],
+		durationMs = 12000,
+		labels,
+		dismissibleRows = true,
+		class: className = '',
+		onClose,
+		onDismissRow
+	}: {
+		open: boolean;
+		variant?: ErrorPanelNoticeVariant;
+		title: string;
+		rows: ErrorPanelNoticeRow[];
+		durationMs?: number;
+		labels: ErrorPanelNoticeLabels;
+		dismissibleRows?: boolean;
+		class?: string;
+		onClose?: () => void;
+		onDismissRow?: (index: number) => void;
+	} = $props();
+
+	let expanded = $state(true);
+
+	const isWarning = $derived(variant === 'warning');
+
+	/** Re-expand the table when the panel opens or when errors/warnings change (new batch). */
+	$effect(() => {
+		if (!open) return;
+		void title;
+		void variant;
+		void JSON.stringify(rows);
+		expanded = true;
+	});
+
+	$effect(() => {
+		if (!open || durationMs <= 0) return;
+		void rows.length;
+		const t = setTimeout(() => onClose?.(), durationMs);
+		return () => clearTimeout(t);
+	});
+
+	function toggleExpanded() {
+		expanded = !expanded;
+	}
+</script>
+
+{#if open}
+	<div
+		data-partida-notice-layer
+		role={isWarning ? 'status' : 'alert'}
+		class={cn(
+			// Above sonner; inset-left keeps the panel aligned with empty space in Partidas
+			'pointer-events-auto fixed top-4 left-0 z-[1000000000] flex w-[min(100vw-2rem,30rem)] max-h-[min(72vh,calc(100vh-2rem))] flex-col overflow-hidden rounded-lg border bg-background text-foreground shadow-xl sm:left-1',
+			isWarning ? 'border-amber-400/40' : 'border-border',
+			className
+		)}
+	>
+		<!-- Header -->
+		<div
+			class={cn(
+				'flex shrink-0 items-center gap-2 border-b px-3 py-2.5',
+				isWarning
+					? 'border-amber-400/30 bg-amber-500/10 dark:bg-amber-500/15'
+					: 'border-destructive/20 bg-destructive/10 dark:bg-destructive/15'
+			)}
+		>
+			<span
+				class={cn(
+					'flex size-7 shrink-0 items-center justify-center rounded-full',
+					isWarning
+						? 'bg-amber-500 text-white'
+						: 'bg-destructive text-destructive-foreground'
+				)}
+				aria-hidden="true"
+			>
+				{#if isWarning}
+					<AlertTriangle class="size-4" />
+				{:else}
+					<AlertCircle class="size-4" />
+				{/if}
+			</span>
+			<p class="min-w-0 flex-1 text-sm font-semibold text-foreground">{title}</p>
+
+			<button
+				type="button"
+				class="inline-flex h-7 cursor-pointer items-center rounded-md px-2 text-xs text-muted-foreground transition-colors hover:bg-muted hover:text-foreground"
+				onclick={() => onClose?.()}
+			>
+				{labels.clear}
+			</button>
+
+			<button
+				type="button"
+				class="inline-flex size-7 cursor-pointer items-center justify-center rounded-md text-muted-foreground transition-colors hover:bg-muted hover:text-foreground"
+				onclick={toggleExpanded}
+				aria-expanded={expanded}
+				aria-label={labels.toggleDetailsAria}
+			>
+				{#if expanded}
+					<ChevronUp class="size-4" />
+				{:else}
+					<ChevronDown class="size-4" />
+				{/if}
+			</button>
+		</div>
+
+		{#if expanded && rows.length > 0}
+			<div class="min-h-0 flex-1 overflow-y-auto">
+				<table class="w-full border-collapse text-sm">
+					<thead>
+						<tr class="border-b border-border bg-muted/30">
+							<th
+								class="w-10 px-2 py-1.5 text-center text-[10px] font-semibold tracking-widest text-muted-foreground uppercase"
+							>
+								{labels.columnType}
+							</th>
+							<th
+								class="w-[38%] px-2 py-1.5 text-center text-[10px] font-semibold tracking-widest text-muted-foreground uppercase"
+							>
+								{labels.columnField}
+							</th>
+							<th
+								class="px-2 py-1.5 text-left text-[10px] font-semibold tracking-widest text-muted-foreground uppercase"
+							>
+								{labels.columnMessage}
+							</th>
+							{#if dismissibleRows && onDismissRow}
+								<th class="w-8"></th>
+							{/if}
+						</tr>
+					</thead>
+					<tbody>
+						{#each rows as row, i (i)}
+							<tr class="border-b border-border/50 hover:bg-muted/20">
+								<td class="px-2 py-2.5 text-center align-middle">
+									<span
+										class={cn(
+											'inline-flex size-5 items-center justify-center rounded-full text-[11px] font-bold leading-none',
+											isWarning
+												? 'bg-amber-500 text-white'
+												: 'bg-destructive text-destructive-foreground'
+										)}
+										aria-hidden="true"
+									>
+										{#if isWarning}
+											<AlertTriangle class="size-3" />
+										{:else}
+											×
+										{/if}
+									</span>
+								</td>
+								<td
+									class="break-words px-2 py-2.5 align-middle text-center font-semibold text-foreground"
+								>
+									{row.field || labels.emptyField}
+								</td>
+								<td class="break-words px-2 py-2.5 align-top text-left leading-relaxed text-muted-foreground">
+									{row.message}
+								</td>
+								{#if dismissibleRows && onDismissRow}
+									<td class="px-1 py-2 text-center align-middle">
+										<button
+											type="button"
+											class="inline-flex size-6 cursor-pointer items-center justify-center rounded text-muted-foreground transition-colors hover:bg-muted hover:text-foreground"
+											onclick={() => onDismissRow!(i)}
+											aria-label={labels.dismissRowAria}
+										>
+											<X class="size-3" />
+										</button>
+									</td>
+								{/if}
+							</tr>
+						{/each}
+					</tbody>
+				</table>
+			</div>
+		{/if}
+	</div>
+{/if}
diff --git a/frontend/src/routes/dashboard/clients_and_providers/+page.svelte b/frontend/src/routes/dashboard/clients_and_providers/+page.svelte
index 8384d1b7..8f6f236d 100644
--- a/frontend/src/routes/dashboard/clients_and_providers/+page.svelte
+++ b/frontend/src/routes/dashboard/clients_and_providers/+page.svelte
@@ -21,7 +21,7 @@
 	let { data }: { data: any } = $props();
 
 	// State
-	let items = $state<ClientProvider[]>(data.items || []);
+	let allItems = $state<ClientProvider[]>(data.items || []);
 	let selectedItem = $state<ClientProvider | null>(null);
 	let isLoading = $state(false);
 
@@ -29,11 +29,16 @@
 	let currentPage = $state(data.page || 1);
 	let pageSize = $state(50);
 	let totalItems = $state(data.total || 0);
+	let hasMore = $derived(allItems.length < totalItems);
 
 	// Filter state
 	let searchName = $state('');
 	let searchRfc = $state('');
 	let searchType = $state<string>($page.url.searchParams.get('type') || 'both');
+	let searchTimeout: ReturnType<typeof setTimeout>;
+	let hasMounted = false;
+	let scrollContainer = $state<HTMLDivElement>();
+	let loadingTrigger = $state<HTMLDivElement>();
 
 	// Estado para el diálogo de crear
 	let showCreateDialog = $state(false);
@@ -42,6 +47,7 @@
 	// --- Lifecycle ---
 
 	onMount(() => {
+		hasMounted = true;
 		if (browser) {
 			// Sincronizar token de cookies a localStorage si es necesario
 			const getCookie = (name: string) => {
@@ -62,9 +68,41 @@
 		}
 	});
 
+	$effect(() => {
+		const type = searchType;
+		const name = searchName;
+		const rfc = searchRfc;
+		if (!browser || !hasMounted) return;
+
+		clearTimeout(searchTimeout);
+		searchTimeout = setTimeout(() => {
+			void loadItems(1);
+		}, 400);
+
+		return () => clearTimeout(searchTimeout);
+	});
+
+	$effect(() => {
+		if (!browser || !scrollContainer || !loadingTrigger) return;
+		const observer = new IntersectionObserver(
+			(entries) => {
+				const [entry] = entries;
+				if (entry.isIntersecting && hasMore && !isLoading) {
+					void loadMore();
+				}
+			},
+			{
+				root: scrollContainer,
+				threshold: 0.1
+			}
+		);
+		observer.observe(loadingTrigger);
+		return () => observer.disconnect();
+	});
+
 	// --- Actions ---
 
-	async function loadItems(pageToLoad = 1) {
+	async function loadItems(pageToLoad = 1, append = false) {
 		const companyId = companyStore.activeCompany?.id;
 		if (!companyId) return;
 
@@ -93,7 +131,7 @@
 			}
 
 			if (response.data) {
-				items = response.data.items;
+				allItems = append ? [...allItems, ...response.data.items] : response.data.items;
 				totalItems = response.data.total;
 				currentPage = response.data.page;
 			}
@@ -107,17 +145,22 @@
 
 	function handleTypeChange(value: string) {
 		searchType = value;
-		loadItems(1);
 	}
 
-	function handleSearch() {
-		loadItems(1);
+	async function loadMore() {
+		if (isLoading || !hasMore) return;
+		await loadItems(currentPage + 1, true);
 	}
 
 	function selectItem(item: ClientProvider) {
 		selectedItem = item;
 	}
 
+	function handleRowDoubleClick(item: ClientProvider) {
+		selectedItem = item;
+		goto(`/dashboard/clients_and_providers/edit/${item.id}`);
+	}
+
 	function taxIdOrRfcLabel(cp: ClientProvider | null): string {
 		if (!cp) return 'RFC';
 		const proc = (cp.type_nat_foreign || 'N').toUpperCase();
@@ -139,7 +182,7 @@
 			await clientsProvidersApi.delete(selectedItem.id, companyStore.activeCompany.id);
 			toast.success('Registro eliminado');
 			selectedItem = null;
-			loadItems(currentPage);
+			loadItems(1);
 		} catch (e) {
 			toast.error('Error al eliminar');
 		}
@@ -197,7 +240,6 @@
 								bind:value={searchName}
 								placeholder="Buscar por nombre..."
 								class="h-9"
-								onkeydown={(e) => e.key === 'Enter' && handleSearch()}
 							/>
 						</div>
 						<div class="space-y-2">
@@ -206,7 +248,6 @@
 								bind:value={searchRfc}
 								placeholder="RFC / TAX-ID..."
 								class="h-9"
-								onkeydown={(e) => e.key === 'Enter' && handleSearch()}
 							/>
 						</div>
 						<div class="space-y-2">
@@ -227,9 +268,9 @@
 							</Select.Root>
 						</div>
 						<div class="flex items-end">
-							<Button variant="secondary" size="sm" class="w-full" onclick={handleSearch}>
-								Buscar
-							</Button>
+							<div class="text-xs text-muted-foreground pb-2">
+								Los filtros se aplican automáticamente
+							</div>
 						</div>
 					</div>
 				</div>
@@ -250,7 +291,7 @@
 					</div>
 				</div>
 
-				<div class="flex-1 overflow-auto bg-card">
+				<div class="flex-1 overflow-auto bg-card" bind:this={scrollContainer}>
 					<table class="w-full text-sm">
 						<thead class="bg-muted text-muted-foreground border-b">
 							<tr>
@@ -262,25 +303,26 @@
 							</tr>
 						</thead>
 						<tbody>
-							{#if isLoading}
+							{#if isLoading && allItems.length === 0}
 								<tr
 									><td colspan="5" class="text-center py-8 text-muted-foreground">Cargando...</td
 									></tr
 								>
-							{:else if items.length === 0}
+							{:else if allItems.length === 0}
 								<tr
 									><td colspan="5" class="text-center py-8 text-muted-foreground"
 										>No se encontraron registros</td
 									></tr
 								>
 							{:else}
-								{#each items as item (item.id)}
+								{#each allItems as item (item.id)}
 									<tr
 										class="border-b cursor-pointer transition-colors hover:bg-muted/50 {selectedItem?.id ===
 										item.id
 											? 'bg-muted'
 											: ''}"
 										onclick={() => selectItem(item)}
+										ondblclick={() => handleRowDoubleClick(item)}
 									>
 										<td class="px-3 py-2 font-mono text-xs text-muted-foreground">{item.id}</td>
 										<td class="px-3 py-2 font-mono font-medium">{item.rfc}</td>
@@ -315,30 +357,26 @@
 									</tr>
 								{/each}
 							{/if}
+							{#if hasMore && allItems.length > 0}
+								<tr>
+									<td colspan="5" class="p-0">
+										<div bind:this={loadingTrigger} class="flex items-center justify-center py-5">
+											{#if isLoading}
+												<span class="text-xs text-muted-foreground">Cargando más registros...</span>
+											{:else}
+												<span class="text-xs text-muted-foreground">Desplázate para cargar más</span>
+											{/if}
+										</div>
+									</td>
+								</tr>
+							{/if}
 						</tbody>
 					</table>
 				</div>
-				<!-- Simple Pagination Controls -->
-				<div class="p-2 border-t flex justify-end gap-2">
-					<Button
-						variant="outline"
-						size="sm"
-						disabled={currentPage === 1 || isLoading}
-						onclick={() => loadItems(currentPage - 1)}
-					>
-						Anterior
-					</Button>
+				<div class="p-2 border-t flex justify-end">
 					<span class="flex items-center text-xs text-muted-foreground px-2">
-						Página {currentPage} de {Math.ceil(totalItems / pageSize)}
+						Mostrando {allItems.length} de {totalItems}
 					</span>
-					<Button
-						variant="outline"
-						size="sm"
-						disabled={items.length < pageSize || isLoading}
-						onclick={() => loadItems(currentPage + 1)}
-					>
-						Siguiente
-					</Button>
 				</div>
 			</div>
 		</div>