chore: improve tooling, linting, testing, and CI

- Add LICENSE file (CC BY-NC-SA 4.0)
- Add .nvmrc pinning Node 22
- Add Renovate config with daily schedule and Gitea Actions workflow
- Reduce ESLint max-warnings from 1000 to 50
- Re-enable Biome a11y/security recommended rules
- Fix Biome lint issues (a11y, hook deps, SVG labels, checkbox semantics)
- Improve CI: run on pushes to feat/fix branches, add pnpm audit
- Add Vitest coverage with v8 provider and thresholds
- Add E2E tests (auth, admin, navigation specs)
- Add admin-maintenance server action test
- Install @vitest/coverage-v8
- Ignore coverage/ directory

src/components/ui/label.tsx

@@ -4,10 +4,12 @@ import type * as React from "react";
 
 import { cn } from "@/lib/utils";
 
-function Label({ className, ...props }: React.ComponentProps<"label">) {
+function Label({ className, htmlFor, ...props }: React.ComponentProps<"label">) {
 	return (
+		// biome-ignore lint/a11y/noLabelWithoutControl: reusable component, input is associated via htmlFor at usage site
 		<label
 			data-slot="label"
+			htmlFor={htmlFor}
 			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,