feat: connect guarded asset import api

src/app/api/admin/import/effects/batch/route.ts

@@ -0,0 +1,50 @@
+import { withAdmin } from '@/lib/api-handler'
+import { apiError } from '@/lib/api-response'
+import { PERMS } from '@/lib/permissions'
+import { logAudit } from '@/lib/services/audit'
+import { ensureEffectDirs, importSingleEffect } from '@/lib/services/effect-import'
+import { runSseBatch } from '@/lib/services/import/core/sse-batch'
+import type { EffectMapEntry } from '@/types/effects'
+
+export const POST = withAdmin({ permission: PERMS.ASSETS_IMPORT }, async (request, ctx) => {
+  const body = await request.json()
+  const rawItems: EffectMapEntry[] = body.items || []
+  const concurrency = body.concurrency || 3
+  if (rawItems.length === 0) return apiError('No effects to import', 400)
+
+  // Dedupe by lib (the .nitro filename) to avoid double work in one request.
+  const seen = new Set<string>()
+  const items = rawItems.filter((it) => {
+    if (seen.has(it.lib)) return false
+    seen.add(it.lib)
+    return true
+  })
+
+  await ensureEffectDirs()
+
+  return runSseBatch<EffectMapEntry>({
+    items,
+    concurrency,
+    labelOf: (it) => it.lib,
+    worker: async (it, _index, report) => {
+      const r = await importSingleEffect({
+        id: it.id,
+        lib: it.lib,
+        type: it.type,
+        revision: it.revision,
+        onProgress: report,
+      })
+      if (r.ok) {
+        logAudit({
+          userId: ctx.session.user.id,
+          action: 'effect_import',
+          target: 'EffectMap',
+          targetId: 0,
+          after: { id: it.id, lib: it.lib, type: it.type, batch: true },
+        })
+      }
+      return { ok: r.ok, warnings: r.warnings, error: r.error }
+    },
+  })
+})
+