feat: moderation locking (#5070)

* feat: base locking impl

* feat: lock logic in place in rev endpoint + fetch rev

* feat: frontend impl and finalize

* feat: auto skip if using the moderation queue page

* fix: qa issues

* fix: async state + locking fix

* fix: lint

* fix: fmt

* fix: qa issue

* fix: qa + redirect bug

* fix: lint

* feat: delete all locks endpoint for admins

* fix: dedupe

* fix: fmt

* fix: project redirect move to middleware

* fix: lint

apps/frontend/src/middleware/project-canonicalize.global.ts

@@ -0,0 +1,56 @@
+import { getProjectTypeForUrlShorthand } from '~/helpers/projects.js'
+import { useServerModrinthClient } from '~/server/utils/api-client'
+
+// All valid project type URL segments
+const PROJECT_TYPES = ['project', 'mod', 'plugin', 'datapack', 'shader', 'resourcepack', 'modpack']
+
+export default defineNuxtRouteMiddleware(async (to) => {
+	// Only handle project routes
+	if (!to.params.id || !PROJECT_TYPES.includes(to.params.type as string)) {
+		return
+	}
+
+	const authToken = useCookie('auth-token')
+	const client = useServerModrinthClient({ authToken: authToken.value || undefined })
+	const tags = useGeneratedState()
+
+	try {
+		const project = await client.labrinth.projects_v2.get(to.params.id as string)
+
+		if (!project) {
+			return
+		}
+
+		// Determine the correct URL type
+		const correctType = getProjectTypeForUrlShorthand(
+			project.project_type,
+			project.loaders,
+			tags.value,
+		)
+
+		// Preserve the rest of the path (subpages like /versions, /settings, etc.)
+		const pathParts = to.path.split('/')
+		pathParts.splice(0, 3) // Remove '', type, and id
+		const remainder = pathParts.filter((x) => x).join('/')
+
+		// Build the canonical path
+		const canonicalPath = `/${correctType}/${project.slug}${remainder ? `/${remainder}` : ''}`
+
+		// Only redirect if the path actually changed
+		if (to.path !== canonicalPath) {
+			return navigateTo(
+				{
+					path: canonicalPath,
+					query: to.query,
+					hash: to.hash,
+				},
+				{
+					redirectCode: 301,
+					replace: true,
+				},
+			)
+		}
+	} catch {
+		// Let the page handle 404s and other errors
+	}
+})