feat: add pricing panel with catalog CRUD and CSV import

mvp/b2c/src/app/panel/layout.tsx

@@ -19,7 +19,14 @@ export default function PanelLayout({ children }: { children: React.ReactNode })
             <span className="text-gray-300">/</span>
             <span className="text-sm font-medium text-gray-600">Reformas Ejemplo</span>
           </Link>
-          <span className="text-xs font-medium text-gray-400">Panel del reformista</span>
+          <nav className="flex items-center gap-4 text-xs font-medium">
+            <Link href="/panel" className="text-gray-500 hover:text-black">
+              Leads
+            </Link>
+            <Link href="/panel/precios" className="text-gray-500 hover:text-black">
+              Precios
+            </Link>
+          </nav>
         </div>
       </header>
       <main className="max-w-6xl mx-auto px-6 py-8">{children}</main>

mvp/b2c/src/app/panel/precios/actions.ts

@@ -0,0 +1,87 @@
+'use server';
+
+import { and, eq } from 'drizzle-orm';
+import { revalidatePath } from 'next/cache';
+import { db } from '@/db';
+import { catalogItems, pricingConfig } from '@/db/schema';
+import { getTenantId } from '@/db/pricing-queries';
+import { parseCatalogCsv } from '@/budget/csv';
+
+export async function crearMaterial(formData: FormData) {
+  const tenantId = await getTenantId();
+  await db.insert(catalogItems).values({
+    tenantId,
+    categoria: formData.get('categoria') as 'suelo' | 'pared' | 'pintura' | 'mobiliario',
+    nombre: String(formData.get('nombre') ?? ''),
+    calidad: formData.get('calidad') as 'basica' | 'media' | 'premium',
+    precioUnit: Math.round(Number(formData.get('precioEuros') ?? 0) * 100),
+    unidad: formData.get('unidad') as 'm2' | 'ml' | 'ud',
+    descriptorRender: String(formData.get('descriptorRender') ?? ''),
+    esDefault: formData.get('esDefault') === 'on',
+    sku: String(formData.get('sku') ?? ''),
+  });
+  revalidatePath('/panel/precios');
+}
+
+export async function actualizarPrecio(formData: FormData) {
+  const tenantId = await getTenantId();
+  const id = String(formData.get('id') ?? '');
+  await db
+    .update(catalogItems)
+    .set({ precioUnit: Math.round(Number(formData.get('precioEuros') ?? 0) * 100) })
+    .where(and(eq(catalogItems.id, id), eq(catalogItems.tenantId, tenantId)));
+  revalidatePath('/panel/precios');
+}
+
+export async function borrarMaterial(formData: FormData) {
+  const tenantId = await getTenantId();
+  const id = String(formData.get('id') ?? '');
+  await db.delete(catalogItems).where(and(eq(catalogItems.id, id), eq(catalogItems.tenantId, tenantId)));
+  revalidatePath('/panel/precios');
+}
+
+export async function actualizarConfig(formData: FormData) {
+  const tenantId = await getTenantId();
+  await db
+    .update(pricingConfig)
+    .set({
+      alturaTechoDefault: Number(formData.get('alturaTechoDefault') ?? 2.5),
+      manoObra: {
+        demolicion: Math.round(Number(formData.get('mo_demolicion') ?? 0) * 100),
+        fontaneria: Math.round(Number(formData.get('mo_fontaneria') ?? 0) * 100),
+        electricidad: Math.round(Number(formData.get('mo_electricidad') ?? 0) * 100),
+        mano_de_obra: Math.round(Number(formData.get('mo_mano_de_obra') ?? 0) * 100),
+      },
+      updatedAt: new Date(),
+    })
+    .where(eq(pricingConfig.tenantId, tenantId));
+  revalidatePath('/panel/precios');
+}
+
+export type ImportResult = { ok: boolean; inserted: number; errors: { line: number; message: string }[] };
+
+export async function importarCatalogoCsv(_prev: ImportResult | null, formData: FormData): Promise<ImportResult> {
+  const tenantId = await getTenantId();
+  const csv = String(formData.get('csv') ?? '');
+  const { rows, errors } = parseCatalogCsv(csv);
+  if (errors.length > 0) return { ok: false, inserted: 0, errors };
+
+  for (const r of rows) {
+    await db
+      .insert(catalogItems)
+      .values({ tenantId, ...r })
+      .onConflictDoUpdate({
+        target: [catalogItems.tenantId, catalogItems.sku],
+        set: {
+          categoria: r.categoria,
+          nombre: r.nombre,
+          calidad: r.calidad,
+          precioUnit: r.precioUnit,
+          unidad: r.unidad,
+          descriptorRender: r.descriptorRender,
+        },
+      });
+  }
+  revalidatePath('/panel/precios');
+  return { ok: true, inserted: rows.length, errors: [] };
+}

mvp/b2c/src/app/panel/precios/page.tsx

@@ -0,0 +1,148 @@
+import { getPricingConfig, getCatalog } from '@/db/pricing-queries';
+import { formatEuros } from '@/lib/funnel';
+import {
+  crearMaterial,
+  actualizarPrecio,
+  borrarMaterial,
+  actualizarConfig,
+  importarCatalogoCsv,
+} from './actions';
+
+export const dynamic = 'force-dynamic';
+
+const CATEGORIAS = ['suelo', 'pared', 'pintura', 'mobiliario'] as const;
+const CATEGORIA_LABEL: Record<(typeof CATEGORIAS)[number], string> = {
+  suelo: 'Suelos',
+  pared: 'Paredes / alicatado',
+  pintura: 'Pinturas',
+  mobiliario: 'Mobiliario',
+};
+
+export default async function PreciosPage() {
+  const [config, catalog] = await Promise.all([getPricingConfig(), getCatalog()]);
+
+  return (
+    <div className="space-y-10">
+      <div>
+        <h1 className="text-2xl font-extrabold tracking-tight text-black">Tabla de precios</h1>
+        <p className="text-sm text-gray-500 mt-1">
+          Define los precios unitarios y la mano de obra. El motor calcula el presupuesto a
+          partir de estos valores y las medidas del lead.
+        </p>
+      </div>
+
+      {/* Config general */}
+      <section className="bg-white rounded-xl border border-gray-200 p-6">
+        <h2 className="font-bold text-black mb-4">Configuración general</h2>
+        <form action={actualizarConfig} className="grid grid-cols-2 md:grid-cols-5 gap-4">
+          <label className="text-sm">
+            <span className="block text-gray-500 mb-1">Altura techo (m)</span>
+            <input
+              name="alturaTechoDefault"
+              type="number"
+              step="0.1"
+              defaultValue={config.alturaTechoDefault}
+              className="w-full border border-gray-300 rounded-lg px-2 py-1"
+            />
+          </label>
+          {(['demolicion', 'fontaneria', 'electricidad', 'mano_de_obra'] as const).map((k) => (
+            <label key={k} className="text-sm">
+              <span className="block text-gray-500 mb-1">M.O. {k} (€/m²)</span>
+              <input
+                name={`mo_${k}`}
+                type="number"
+                step="0.01"
+                defaultValue={(config.manoObra[k] ?? 0) / 100}
+                className="w-full border border-gray-300 rounded-lg px-2 py-1"
+              />
+            </label>
+          ))}
+          <button className="col-span-2 md:col-span-5 justify-self-start bg-black text-white rounded-lg px-4 py-2 text-sm font-medium">
+            Guardar configuración
+          </button>
+        </form>
+      </section>
+
+      {/* Catálogo por categoría */}
+      {CATEGORIAS.map((categoria) => {
+        const items = catalog.filter((c) => c.categoria === categoria);
+        return (
+          <section key={categoria} className="bg-white rounded-xl border border-gray-200 p-6">
+            <h2 className="font-bold text-black mb-4">{CATEGORIA_LABEL[categoria]}</h2>
+            <div className="space-y-2">
+              {items.length === 0 && <p className="text-sm text-gray-400">Sin materiales.</p>}
+              {items.map((item) => (
+                <div key={item.id} className="flex items-center gap-3 text-sm border-b border-gray-100 pb-2">
+                  <span className="w-48 font-medium text-black">{item.nombre}</span>
+                  <span className="w-20 text-gray-500 capitalize">{item.calidad}</span>
+                  <span className="w-16 text-gray-400">{item.unidad}</span>
+                  {item.esDefault && (
+                    <span className="text-xs bg-green-100 text-green-700 rounded px-1.5 py-0.5">default</span>
+                  )}
+                  <form action={actualizarPrecio} className="flex items-center gap-2 ml-auto">
+                    <input type="hidden" name="id" value={item.id} />
+                    <input
+                      name="precioEuros"
+                      type="number"
+                      step="0.01"
+                      defaultValue={item.precioUnit / 100}
+                      className="w-24 border border-gray-300 rounded-lg px-2 py-1 text-right"
+                    />
+                    <span className="text-gray-400">€</span>
+                    <button className="text-xs text-blue-600 hover:underline">Guardar</button>
+                  </form>
+                  <form action={borrarMaterial}>
+                    <input type="hidden" name="id" value={item.id} />
+                    <button className="text-xs text-red-500 hover:underline">Borrar</button>
+                  </form>
+                </div>
+              ))}
+            </div>
+
+            <form action={crearMaterial} className="mt-4 flex flex-wrap items-end gap-2 text-sm">
+              <input type="hidden" name="categoria" value={categoria} />
+              <input name="nombre" placeholder="Nombre" required className="border border-gray-300 rounded-lg px-2 py-1" />
+              <select name="calidad" className="border border-gray-300 rounded-lg px-2 py-1">
+                <option value="basica">Básica</option>
+                <option value="media">Media</option>
+                <option value="premium">Premium</option>
+              </select>
+              <input name="precioEuros" type="number" step="0.01" placeholder="€" required className="w-24 border border-gray-300 rounded-lg px-2 py-1" />
+              <select name="unidad" className="border border-gray-300 rounded-lg px-2 py-1">
+                <option value="m2">m²</option>
+                <option value="ml">ml</option>
+                <option value="ud">ud</option>
+              </select>
+              <input name="descriptorRender" placeholder="Descriptor render" className="flex-1 min-w-40 border border-gray-300 rounded-lg px-2 py-1" />
+              <input name="sku" placeholder="SKU" required className="w-28 border border-gray-300 rounded-lg px-2 py-1" />
+              <label className="flex items-center gap-1 text-gray-500">
+                <input type="checkbox" name="esDefault" /> default
+              </label>
+              <button className="bg-black text-white rounded-lg px-3 py-1 font-medium">Añadir</button>
+            </form>
+          </section>
+        );
+      })}
+
+      {/* Import CSV */}
+      <section className="bg-white rounded-xl border border-gray-200 p-6">
+        <h2 className="font-bold text-black mb-2">Importar catálogo (CSV)</h2>
+        <p className="text-xs text-gray-500 mb-3">
+          Cabecera: <code>categoria,nombre,calidad,precio,unidad,descriptor_render,sku</code>. El
+          precio en euros. Actualiza por SKU.
+        </p>
+        <form action={importarCatalogoCsv as unknown as (fd: FormData) => void}>
+          <textarea
+            name="csv"
+            rows={5}
+            placeholder="categoria,nombre,calidad,precio,unidad,descriptor_render,sku"
+            className="w-full border border-gray-300 rounded-lg px-3 py-2 font-mono text-xs"
+          />
+          <button className="mt-2 bg-black text-white rounded-lg px-4 py-2 text-sm font-medium">
+            Importar
+          </button>
+        </form>
+      </section>
+    </div>
+  );
+}