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

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

apps/backend/scripts/migration/test-payload-post2.ts

@@ -0,0 +1,107 @@
+#!/usr/bin/env tsx
+/**
+ * Test Payload Post Creation - Two Step Approach
+ */
+
+import { getPayload } from 'payload'
+import config from '@payload-config'
+
+async function testTwoStepPost() {
+  const payload = await getPayload({ config })
+
+  const testSlug = 'test-two-step-' + Date.now()
+  let postId = ''
+
+  // Step 1: Create post without content
+  console.log('\n🧪 Step 1: Create post without content')
+  try {
+    const result = await payload.create({
+      collection: 'posts',
+      data: {
+        title: 'Test Two Step Post',
+        slug: testSlug,
+        publishedAt: new Date(),
+        status: 'draft',
+        // No content field
+      },
+    })
+    console.log('✓ Post created without content:', result.id)
+    postId = result.id
+  } catch (error: any) {
+    console.log('✗ Failed:', error.message)
+    if (error.data) {
+      console.error('  Errors:', JSON.stringify(error.data, null, 2))
+    }
+    return
+  }
+
+  // Step 2: Update with content
+  console.log('\n🧪 Step 2: Update post with content (object)')
+  try {
+    const updated = await payload.update({
+      collection: 'posts',
+      id: postId,
+      data: {
+        content: {
+          type: 'root',
+          version: 1,
+          children: [{
+            type: 'paragraph',
+            version: 1,
+            children: [{
+              type: 'text',
+              version: 1,
+              text: 'This is a test paragraph.'
+            }]
+          }],
+          direction: null
+        },
+      },
+    })
+    console.log('✓ Post updated with object content:', updated.id)
+  } catch (error: any) {
+    console.log('✗ Object content failed:', error.message)
+  }
+
+  // Step 3: Try JSON string content
+  console.log('\n🧪 Step 3: Update with JSON string content')
+  try {
+    const updated = await payload.update({
+      collection: 'posts',
+      id: postId,
+      data: {
+        content: JSON.stringify({
+          type: 'root',
+          version: 1,
+          children: [{
+            type: 'paragraph',
+            version: 1,
+            children: [{
+              type: 'text',
+              version: 1,
+              text: 'This is a test paragraph from JSON string.'
+            }]
+          }],
+          direction: null
+        }),
+      },
+    })
+    console.log('✓ Post updated with JSON string content:', updated.id)
+  } catch (error: any) {
+    console.log('✗ JSON string content failed:', error.message)
+  }
+
+  // Cleanup
+  console.log('\n🧪 Cleanup: Delete test post')
+  try {
+    await payload.delete({
+      collection: 'posts',
+      id: postId,
+    })
+    console.log('✓ Test post deleted')
+  } catch (error: any) {
+    console.log('✗ Delete failed:', error.message)
+  }
+}
+
+testTwoStepPost().catch(console.error)