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

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

apps/backend/scripts/migration/analyze-post.ts

@@ -0,0 +1,97 @@
+#!/usr/bin/env tsx
+/**
+ * Analyze Post Data Structure
+ * Compares migrated posts vs manually created posts
+ */
+
+import { config as dotenvConfig } from 'dotenv'
+dotenvConfig({ path: '.env' })
+
+import { getPayload } from 'payload'
+import config from '../../src/payload.config'
+
+async function main() {
+  const payload = await getPayload({ config })
+
+  console.log('🔍 Fetching posts for analysis...\n')
+
+  const posts = await payload.find({
+    collection: 'posts',
+    limit: 5,
+    depth: 0,
+  })
+
+  if (posts.docs.length === 0) {
+    console.log('No posts found')
+    return
+  }
+
+  // Analyze first post in detail
+  const post = posts.docs[0]
+
+  console.log('═══════════════════════════════════════════════════════════')
+  console.log(`POST: "${post.title}"`)
+  console.log('═══════════════════════════════════════════════════════════\n')
+
+  // Basic info
+  console.log('📋 BASIC INFO:')
+  console.log(`  ID: ${post.id}`)
+  console.log(`  Slug: ${post.slug}`)
+  console.log(`  Status: ${post.status}`)
+  console.log(`  Created: ${post.createdAt}`)
+
+  // Content analysis
+  console.log('\n📝 CONTENT FIELD:')
+  console.log(`  Type: ${typeof post.content}`)
+  console.log(`  Is String: ${typeof post.content === 'string'}`)
+  console.log(`  Is Object: ${typeof post.content === 'object'}`)
+
+  if (typeof post.content === 'string') {
+    console.log(`  String Length: ${post.content.length} chars`)
+
+    try {
+      const parsed = JSON.parse(post.content)
+      console.log(`  Parsed Type: ${parsed?.type}`)
+      console.log(`  Parsed Version: ${parsed?.version}`)
+      console.log(`  Children Count: ${parsed?.children?.length}`)
+
+      // Show first child structure
+      if (parsed?.children?.[0]) {
+        console.log('\n  First Child:')
+        const firstChild = parsed.children[0]
+        console.log(`    Type: ${firstChild.type}`)
+        console.log(`    Version: ${firstChild.version}`)
+        if (firstChild.children) {
+          console.log(`    Has Children: true (${firstChild.children.length})`)
+          if (firstChild.children[0]) {
+            console.log(`    First Grandchild: ${JSON.stringify(firstChild.children[0], null, 2).split('\n').join('\n      ')}`)
+          }
+        }
+      }
+
+      // Show full structure
+      console.log('\n  FULL LEXICAL STRUCTURE:')
+      console.log('  ' + JSON.stringify(parsed, null, 2).split('\n').join('\n  '))
+    } catch (e) {
+      console.log(`  Parse Error: ${e}`)
+      console.log(`  Raw Content (first 500 chars): ${post.content.substring(0, 500)}...`)
+    }
+  } else if (typeof post.content === 'object') {
+    console.log('  OBJECT STRUCTURE:')
+    console.log('  ' + JSON.stringify(post.content, null, 2).split('\n').join('\n  '))
+  }
+
+  // Other fields
+  console.log('\n🏷️  OTHER FIELDS:')
+  console.log(`  Excerpt: ${post.excerpt?.substring(0, 100) || 'none'}...`)
+  console.log(`  PublishedAt: ${post.publishedAt}`)
+  console.log(`  Categories: ${post.categories?.length || 0} items`)
+
+  if (post.heroImage) {
+    console.log(`  HeroImage: ${typeof post.heroImage} = ${post.heroImage}`)
+  }
+
+  console.log('\n═══════════════════════════════════════════════════════════')
+}
+
+main().catch(console.error)