diff --git a/.gitignore b/.gitignore
index 48bbc048..60db8bdd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 # Python
 __pycache__/
+.mypy_cache/
 *.py[cod]
 *$py.class
 *.so
diff --git a/frontend/src/lib/components/dashboard/shared/modals/sector-selector-dialog.svelte b/frontend/src/lib/components/dashboard/shared/modals/sector-selector-dialog.svelte
new file mode 100644
index 00000000..dffe17af
--- /dev/null
+++ b/frontend/src/lib/components/dashboard/shared/modals/sector-selector-dialog.svelte
@@ -0,0 +1,226 @@
+<script lang="ts">
+	import { Button } from '$lib/components/ui/button';
+	import { Input } from '$lib/components/ui/input';
+	import * as Dialog from '$lib/components/ui/dialog';
+	import * as Table from '$lib/components/ui/table';
+	import { Search, Loader2, Factory } from 'lucide-svelte';
+	import { sectorsApi, type Sector } from '$lib/api/dashboard/reference_data/sectors';
+	import { toast } from 'svelte-sonner';
+
+	// --- PROPS ---
+	let {
+		open = $bindable(false),
+		onSelect
+	}: {
+		open: boolean;
+		onSelect: (item: Sector) => void;
+	} = $props();
+
+	// --- ESTADO ---
+	let items = $state<Sector[]>([]);
+	let loading = $state(false);
+	let loadingMore = $state(false);
+	let searchTerm = $state('');
+	let previousSearchTerm = '';
+	let page = $state(1);
+	let pageSize = 50;
+	let hasMore = $state(true);
+	let totalItems = $state(0);
+	let observer: IntersectionObserver | null = null;
+	let bottomSentinel: HTMLElement | null = $state(null);
+	let searchTimeout: any;
+	let isInitialized = false;
+
+	// Cargar datos iniciales al abrir
+	$effect(() => {
+		if (open && !isInitialized) {
+			isInitialized = true;
+			previousSearchTerm = searchTerm;
+			resetAndLoad();
+		} else if (!open) {
+			isInitialized = false;
+		}
+	});
+
+	// Manejar búsqueda con debouncing
+	$effect(() => {
+		const term = searchTerm;
+		if (isInitialized && term !== previousSearchTerm) {
+			if (searchTimeout) clearTimeout(searchTimeout);
+			searchTimeout = setTimeout(() => {
+				previousSearchTerm = term;
+				resetAndLoad();
+			}, 500);
+		}
+	});
+
+	// Configurar IntersectionObserver para infinite scroll
+	$effect(() => {
+		if (bottomSentinel && hasMore && !loading && !loadingMore && open) {
+			if (observer) observer.disconnect();
+
+			observer = new IntersectionObserver(
+				(entries) => {
+					if (entries[0].isIntersecting && hasMore && !loading && !loadingMore) {
+						loadMore();
+					}
+				},
+				{ threshold: 0.1 }
+			);
+
+			observer.observe(bottomSentinel);
+		}
+
+		return () => {
+			if (observer) observer.disconnect();
+		};
+	});
+
+	async function resetAndLoad() {
+		page = 1;
+		items = [];
+		hasMore = true;
+		await loadSectors(true);
+	}
+
+	async function loadMore() {
+		if (!hasMore || loading || loadingMore) return;
+		page += 1;
+		await loadSectors(false);
+	}
+
+	async function loadSectors(isInitial: boolean) {
+		if (isInitial) {
+			loading = true;
+		} else {
+			loadingMore = true;
+		}
+
+		try {
+			const response = await sectorsApi.list(page, pageSize);
+
+			if (response.error) {
+				toast.error(`Error: ${response.error}`);
+				hasMore = false;
+				return;
+			}
+
+			let newItems = response.data?.items || [];
+			totalItems = response.data?.total || 0;
+
+			if (searchTerm) {
+				newItems = newItems.filter(
+					(item) =>
+						item.description.toLowerCase().includes(searchTerm.toLowerCase()) ||
+						item.key.toLowerCase().includes(searchTerm.toLowerCase())
+				);
+			}
+
+			if (isInitial) {
+				items = newItems;
+			} else {
+				items = [...items, ...newItems];
+			}
+
+			hasMore = items.length < totalItems && newItems.length > 0;
+		} catch (e: any) {
+			console.error('Error loading sectors:', e);
+			toast.error('Error al conectar con el servidor');
+			hasMore = false;
+		} finally {
+			loading = false;
+			loadingMore = false;
+		}
+	}
+
+	function handleSelect(item: Sector) {
+		if (onSelect) onSelect(item);
+		open = false;
+	}
+</script>
+
+<Dialog.Root bind:open>
+	<Dialog.Content class="flex max-h-[90vh] flex-col sm:max-w-[800px]">
+		<Dialog.Header>
+			<Dialog.Title>Seleccionar Sector PROSEC</Dialog.Title>
+			<Dialog.Description>
+				Seleccione el sector del catálogo. Escrolea para ver más.
+			</Dialog.Description>
+		</Dialog.Header>
+
+		<div class="relative my-2 w-full">
+			<Search class="absolute top-2.5 left-2.5 h-4 w-4 text-muted-foreground" />
+			<Input
+				type="search"
+				placeholder="Filtrar por clave o descripción..."
+				class="pl-9"
+				bind:value={searchTerm}
+			/>
+		</div>
+
+		<div class="min-h-[300px] flex-1 overflow-y-auto rounded-md border">
+			{#if loading && items.length === 0}
+				<div class="flex h-48 flex-col items-center justify-center gap-2 text-muted-foreground">
+					<Loader2 class="h-8 w-8 animate-spin text-primary" />
+					<p>Cargando catálogo...</p>
+				</div>
+			{:else if items.length === 0}
+				<div class="flex h-48 flex-col items-center justify-center text-muted-foreground">
+					<p>No se encontraron sectores.</p>
+				</div>
+			{:else}
+				<Table.Root>
+					<Table.Header>
+						<Table.Row>
+							<Table.Head class="w-[100px]">Clave</Table.Head>
+							<Table.Head>Descripción</Table.Head>
+							<Table.Head class="w-[100px]">Autorizado</Table.Head>
+						</Table.Row>
+					</Table.Header>
+					<Table.Body>
+						{#each items as item}
+							<Table.Row
+								class="cursor-pointer transition-colors hover:bg-accent/50"
+								onclick={() => handleSelect(item)}
+							>
+								<Table.Cell>
+									<div class="flex items-center gap-1">
+										<Factory class="h-3 w-3 text-orange-500" />
+										<span class="font-mono text-xs font-bold">
+											{item.key}
+										</span>
+									</div>
+								</Table.Cell>
+								<Table.Cell class="text-sm font-medium">
+									{item.description}
+								</Table.Cell>
+								<Table.Cell>
+									<span
+										class="rounded-full px-2 py-0.5 text-xs {item.authorized
+											? 'bg-green-100 text-green-700'
+											: 'bg-red-100 text-red-700'}"
+									>
+										{item.authorized ? 'Sí' : 'No'}
+									</span>
+								</Table.Cell>
+							</Table.Row>
+						{/each}
+					</Table.Body>
+				</Table.Root>
+
+				<div bind:this={bottomSentinel} class="flex h-10 items-center justify-center">
+					{#if loadingMore}
+						<Loader2 class="h-5 w-5 animate-spin text-muted-foreground" />
+					{/if}
+				</div>
+			{/if}
+		</div>
+
+		<Dialog.Footer>
+			<div class="mr-auto self-center text-xs text-muted-foreground">
+				{items.length} de {totalItems} registros
+			</div>
+			<Button variant="outline" onclick={() => (open = false)}>Cancelar</Button>
+		</Dialog.Footer>
+	</Dialog.Content>
+</Dialog.Root>
diff --git a/frontend/src/lib/components/dashboard/shared/modals/state-selector-dialog.svelte b/frontend/src/lib/components/dashboard/shared/modals/state-selector-dialog.svelte
new file mode 100644
index 00000000..eb6f9c4c
--- /dev/null
+++ b/frontend/src/lib/components/dashboard/shared/modals/state-selector-dialog.svelte
@@ -0,0 +1,224 @@
+<script lang="ts">
+	import { Button } from '$lib/components/ui/button';
+	import { Input } from '$lib/components/ui/input';
+	import * as Dialog from '$lib/components/ui/dialog';
+	import * as Table from '$lib/components/ui/table';
+	import { Search, Loader2, MapPin } from 'lucide-svelte';
+	import { statesApi, type State } from '$lib/api/dashboard/reference_data/states';
+	import { toast } from 'svelte-sonner';
+
+	// --- PROPS ---
+	let {
+		open = $bindable(false),
+		onSelect
+	}: {
+		open: boolean;
+		onSelect: (item: State) => void;
+	} = $props();
+
+	// --- ESTADO ---
+	let items = $state<State[]>([]);
+	let loading = $state(false);
+	let loadingMore = $state(false);
+	let searchTerm = $state('');
+	let previousSearchTerm = '';
+	let page = $state(1);
+	let pageSize = 50;
+	let hasMore = $state(true);
+	let totalItems = $state(0);
+	let observer: IntersectionObserver | null = null;
+	let bottomSentinel: HTMLElement | null = $state(null);
+	let searchTimeout: any;
+	let isInitialized = false;
+
+	// Cargar datos iniciales al abrir
+	$effect(() => {
+		if (open && !isInitialized) {
+			isInitialized = true;
+			previousSearchTerm = searchTerm;
+			resetAndLoad();
+		} else if (!open) {
+			isInitialized = false;
+		}
+	});
+
+	// Manejar búsqueda con debouncing
+	$effect(() => {
+		const term = searchTerm;
+		if (isInitialized && term !== previousSearchTerm) {
+			if (searchTimeout) clearTimeout(searchTimeout);
+			searchTimeout = setTimeout(() => {
+				previousSearchTerm = term;
+				resetAndLoad();
+			}, 500);
+		}
+	});
+
+	// Configurar IntersectionObserver para infinite scroll
+	$effect(() => {
+		if (bottomSentinel && hasMore && !loading && !loadingMore && open) {
+			if (observer) observer.disconnect();
+
+			observer = new IntersectionObserver(
+				(entries) => {
+					if (entries[0].isIntersecting && hasMore && !loading && !loadingMore) {
+						loadMore();
+					}
+				},
+				{ threshold: 0.1 }
+			);
+
+			observer.observe(bottomSentinel);
+		}
+
+		return () => {
+			if (observer) observer.disconnect();
+		};
+	});
+
+	async function resetAndLoad() {
+		page = 1;
+		items = [];
+		hasMore = true;
+		await loadStates(true);
+	}
+
+	async function loadMore() {
+		if (!hasMore || loading || loadingMore) return;
+		page += 1;
+		await loadStates(false);
+	}
+
+	async function loadStates(isInitial: boolean) {
+		if (isInitial) {
+			loading = true;
+		} else {
+			loadingMore = true;
+		}
+
+		try {
+			// Note: statesApi.list takes page, pageSize, and searchTerm?
+			// Wait, let me check statesApi.list signature again.
+			// It only takes page and pageSize! I need to check if it supports search.
+			const response = await statesApi.list(page, pageSize);
+
+			if (response.error) {
+				toast.error(`Error: ${response.error}`);
+				hasMore = false;
+				return;
+			}
+
+			// Local filtering if search term exists (temporary workaround if API doesn't support it)
+			let newItems = response.data?.items || [];
+			totalItems = response.data?.total || 0;
+
+			if (searchTerm) {
+				newItems = newItems.filter(
+					(item) =>
+						item.description.toLowerCase().includes(searchTerm.toLowerCase()) ||
+						item.m3_key.toLowerCase().includes(searchTerm.toLowerCase())
+				);
+			}
+
+			if (isInitial) {
+				items = newItems;
+			} else {
+				items = [...items, ...newItems];
+			}
+
+			hasMore = items.length < totalItems && newItems.length > 0;
+		} catch (e: any) {
+			console.error('Error loading states:', e);
+			toast.error('Error al conectar con el servidor');
+			hasMore = false;
+		} finally {
+			loading = false;
+			loadingMore = false;
+		}
+	}
+
+	function handleSelect(item: State) {
+		if (onSelect) onSelect(item);
+		open = false;
+	}
+</script>
+
+<Dialog.Root bind:open>
+	<Dialog.Content class="flex max-h-[90vh] flex-col sm:max-w-[800px]">
+		<Dialog.Header>
+			<Dialog.Title>Seleccionar Estado</Dialog.Title>
+			<Dialog.Description>
+				Seleccione el estado del catálogo. Escrolea para ver más.
+			</Dialog.Description>
+		</Dialog.Header>
+
+		<div class="relative my-2 w-full">
+			<Search class="absolute top-2.5 left-2.5 h-4 w-4 text-muted-foreground" />
+			<Input
+				type="search"
+				placeholder="Filtrar por clave o descripción..."
+				class="pl-9"
+				bind:value={searchTerm}
+			/>
+		</div>
+
+		<div class="min-h-[300px] flex-1 overflow-y-auto rounded-md border">
+			{#if loading && items.length === 0}
+				<div class="flex h-48 flex-col items-center justify-center gap-2 text-muted-foreground">
+					<Loader2 class="h-8 w-8 animate-spin text-primary" />
+					<p>Cargando catálogo...</p>
+				</div>
+			{:else if items.length === 0}
+				<div class="flex h-48 flex-col items-center justify-center text-muted-foreground">
+					<p>No se encontraron estados.</p>
+				</div>
+			{:else}
+				<Table.Root>
+					<Table.Header>
+						<Table.Row>
+							<Table.Head class="w-[100px]">Clave M3</Table.Head>
+							<Table.Head>Descripción</Table.Head>
+							<Table.Head class="w-[80px]">MEX</Table.Head>
+						</Table.Row>
+					</Table.Header>
+					<Table.Body>
+						{#each items as item}
+							<Table.Row
+								class="cursor-pointer transition-colors hover:bg-accent/50"
+								onclick={() => handleSelect(item)}
+							>
+								<Table.Cell>
+									<div class="flex items-center gap-1">
+										<MapPin class="h-3 w-3 text-red-500" />
+										<span class="font-mono text-xs font-bold">
+											{item.m3_key}
+										</span>
+									</div>
+								</Table.Cell>
+								<Table.Cell class="text-sm font-medium">
+									{item.description}
+								</Table.Cell>
+								<Table.Cell class="font-mono text-xs">
+									{item.mex_key || '-'}
+								</Table.Cell>
+							</Table.Row>
+						{/each}
+					</Table.Body>
+				</Table.Root>
+
+				<div bind:this={bottomSentinel} class="flex h-10 items-center justify-center">
+					{#if loadingMore}
+						<Loader2 class="h-5 w-5 animate-spin text-muted-foreground" />
+					{/if}
+				</div>
+			{/if}
+		</div>
+
+		<Dialog.Footer>
+			<div class="mr-auto self-center text-xs text-muted-foreground">
+				{items.length} de {totalItems} registros
+			</div>
+			<Button variant="outline" onclick={() => (open = false)}>Cancelar</Button>
+		</Dialog.Footer>
+	</Dialog.Content>
+</Dialog.Root>