feat(frontend): streamline AI workflows and localize remaining UI copy

Move product and skin AI helpers into modal flows, simplify product edit/inventory navigation, and improve responsive actions so core forms are faster to use. Localize remaining frontend labels/placeholders and strip deprecated Rollup output options to remove deploy-time build warnings.

frontend/vite.config.ts

@@ -3,8 +3,19 @@ import tailwindcss from '@tailwindcss/vite';
 import { defineConfig } from 'vite';
 import { paraglideVitePlugin } from '@inlang/paraglide-js';
 
+const stripDeprecatedRollupOptions = {
+	name: 'strip-deprecated-rollup-options',
+	outputOptions(options: Record<string, unknown>) {
+		if ('codeSplitting' in options) {
+			delete options.codeSplitting;
+		}
+		return options;
+	}
+};
+
 export default defineConfig({
 	plugins: [
+		stripDeprecatedRollupOptions,
 		paraglideVitePlugin({ project: './project.inlang', outdir: './src/lib/paraglide' }),
 		tailwindcss(),
 		sveltekit()