Add AI category suggestions for custom bookmark organization

app/api/categories/suggest/route.ts

@@ -0,0 +1,57 @@
+import { NextRequest, NextResponse } from 'next/server'
+import {
+  generateCategorySuggestions,
+  createCategoryFromSuggestion,
+  CategorySuggestion,
+} from '@/lib/category-suggester'
+
+export async function GET(): Promise<NextResponse> {
+  try {
+    const suggestions = await generateCategorySuggestions()
+    return NextResponse.json({ suggestions })
+  } catch (err) {
+    console.error('Category suggestion error:', err)
+    return NextResponse.json(
+      { error: err instanceof Error ? err.message : 'Failed to generate suggestions' },
+      { status: 500 }
+    )
+  }
+}
+
+export async function POST(request: NextRequest): Promise<NextResponse> {
+  let body: { suggestions?: CategorySuggestion[] } = {}
+  try {
+    body = await request.json()
+  } catch {
+    return NextResponse.json({ error: 'Invalid JSON body' }, { status: 400 })
+  }
+
+  const { suggestions } = body
+  if (!suggestions || !Array.isArray(suggestions) || suggestions.length === 0) {
+    return NextResponse.json(
+      { error: 'Missing required field: suggestions' },
+      { status: 400 }
+    )
+  }
+
+  const results = { created: 0, failed: 0, errors: [] as string[] }
+
+  for (const suggestion of suggestions) {
+    try {
+      await createCategoryFromSuggestion(suggestion)
+      results.created++
+    } catch (err) {
+      results.failed++
+      results.errors.push(
+        `${suggestion.name}: ${err instanceof Error ? err.message : String(err)}`
+      )
+    }
+  }
+
+  return NextResponse.json({
+    success: results.failed === 0,
+    created: results.created,
+    failed: results.failed,
+    errors: results.errors,
+  })
+}