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

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

apps/backend/scripts/migration/update-hero-images-inline.ts

@@ -0,0 +1,78 @@
+#!/usr/bin/env tsx
+import('dotenv/config')
+import('payload').then(async ({getPayload})=>{
+  const cfg = await import('../../src/payload.config.ts')
+  const p = await getPayload({config: cfg.default})
+
+  console.log('Loading media...')
+  const media = await p.find({collection:'media', limit:100, depth:0})
+
+  const filenameToId = new Map<string, string>()
+  media.docs.forEach((m: any) => {
+    filenameToId.set(m.filename, m.id)
+  })
+
+  console.log(`Found ${filenameToId.size} media files`)
+
+  const { parseWebflowCSV } = await import('./csvParser.ts')
+  const { transformPosts } = await import('./transformers.ts')
+  const data = await parseWebflowCSV('/Users/pukpuk/Dev/website-enchun-mgr/恩群數位行銷 - 行銷放大鏡集.csv')
+
+  const posts = await p.find({collection:'posts', limit:100, depth:0})
+  const postsBySlug = new Map<string, any>()
+  posts.docs.forEach((post: any) => {
+    postsBySlug.set(post.slug, post)
+  })
+
+  console.log('\nMatching hero images...\n')
+
+  let matched = 0
+  let updated = 0
+  let notFound = 0
+
+  for (const webflowPost of data.posts) {
+    const featuredImage = webflowPost.featuredImage
+    if (!featuredImage) continue
+
+    const urlParts = featuredImage.split('/')
+    const webflowFilename = urlParts[urlParts.length - 1]
+
+    let mediaId: string | null = null
+
+    for (const [filename, id] of filenameToId.entries()) {
+      // Match by checking if both contain the same hash (first 15 chars)
+      const webflowHash = webflowFilename.split('.')[0].substring(0, 15)
+      const payloadHash = filename.split('.')[0].substring(0, 15)
+      if (filename.includes(webflowHash) || webflowFilename.includes(payloadHash)) {
+        mediaId = id
+        matched++
+        break
+      }
+    }
+
+    if (!mediaId) {
+      notFound++
+      console.log(`No match: ${webflowPost.title?.substring(0, 40)}`)
+      console.log(`  URL: ${webflowFilename.substring(0, 80)}`)
+      continue
+    }
+
+    const transformed = transformPosts([webflowPost])[0]
+    const post = postsBySlug.get(transformed.slug)
+
+    if (post && !post.heroImage) {
+      await p.update({
+        collection:'posts',
+        id: post.id,
+        data:{ heroImage: mediaId }
+      })
+      updated++
+      console.log(`Updated: ${webflowPost.title?.substring(0, 40)}`)
+    }
+  }
+
+  console.log('\n=== SUMMARY ===')
+  console.log(`Matched: ${matched}`)
+  console.log(`Updated: ${updated}`)
+  console.log(`Not found: ${notFound}`)
+}).catch(e=>console.error('Error:', e))