feat(backend): update collections, config and migration tools

Update Payload CMS configuration, collections (Audit, Posts), and add migration scripts/reports.

apps/backend/scripts/migration/debug-content.ts

@@ -0,0 +1,54 @@
+#!/usr/bin/env tsx
+import { config as dotenvConfig } from 'dotenv'
+dotenvConfig({ path: '.env' })
+
+import { getPayload } from 'payload'
+import config from '../../src/payload.config'
+import { parseWebflowCSV } from './csvParser'
+import { transformPosts } from './transformers'
+
+async function main() {
+  const payload = await getPayload({ config })
+
+  const data = await parseWebflowCSV('/Users/pukpuk/Dev/website-enchun-mgr/恩群數位行銷 - 行銷放大鏡集.csv')
+  const post = data.posts.find((p: any) => p.title.includes('一點都不難'))
+
+  if (!post) {
+    console.log('Post not found')
+    return
+  }
+
+  const transformed = transformPosts([post])[0]
+
+  console.log('Title:', transformed.title)
+  console.log('Content type:', typeof transformed.content)
+
+  // Try create without content first
+  try {
+    const result = await payload.create({
+      collection: 'posts',
+      data: {
+        title: transformed.title,
+        slug: transformed.slug + '-test',
+        status: 'draft',
+      },
+    })
+    console.log('Created without content:', result.id)
+
+    // Now update with content
+    await payload.update({
+      collection: 'posts',
+      id: result.id,
+      data: { content: transformed.content },
+    })
+    console.log('Updated with content successfully!')
+
+    // Verify
+    const updated = await payload.findByID({ collection: 'posts', id: result.id, depth: 0 })
+    console.log('Verified content type:', typeof updated.content)
+  } catch (error: any) {
+    console.log('Error:', error.message)
+  }
+}
+
+main().catch(console.error)