feat: funciones frontend React/TS — componentes UI, hooks Wails, charts y tipos

Componentes React reutilizables: card, dialog, tabs, select, alert, badge, button, input, label,
skeleton, tooltip, progress_bar, page_header, form_field, settings_page, crud_page, analytics_page,
dashboard_layout. Charts: area, bar, line, sparkline, kpi_card, chart_container.
Hooks Wails: use_wails_query, use_wails_mutation, use_wails_stream, use_wails_event, use_animated_canvas.
Funciones core: cn, format_compact, chart_colors, get_series_color, wails_cache, theme_config_to_colors.
Tipos: chart_series, wails_ipc, theme_config, component_variants.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

frontend/functions/ui/label.tsx

@@ -0,0 +1,17 @@
+import * as React from "react"
+import { cn } from "../core/cn"
+
+function Label({ className, ...props }: React.ComponentProps<"label">) {
+  return (
+    <label
+      data-slot="label"
+      className={cn(
+        "flex items-center gap-2 text-sm leading-none font-medium select-none group-data-[disabled=true]:pointer-events-none group-data-[disabled=true]:opacity-50 peer-disabled:cursor-not-allowed peer-disabled:opacity-50",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+export { Label }