refactor: clean upload pipeline and restore draco delivery

lib/commit-message.ts

@@ -1,6 +1,23 @@
-import type { AssetCategory } from './asset-classification'
-import type { FileChange } from './types'
-import type { PreparedAssetSummary } from './types'
+import { ASSET_FAMILIES } from './asset-naming'
+import type { AssetCategory, FileChange, PreparedAssetSummary } from './types'
+
+const ASSET_SECTION_ORDER: AssetCategory[] = [...ASSET_FAMILIES, 'assets']
+
+function getChangePrefix(change: FileChange) {
+  if (change === 'new') return '✅'
+  if (change === 'changed') return '🔄'
+  return null
+}
+
+function addGroupedAssetLine(
+  grouped: Map<AssetCategory, string[]>,
+  category: AssetCategory,
+  line: string,
+) {
+  const current = grouped.get(category) || []
+  current.push(line)
+  grouped.set(category, current)
+}
 
 /**
  * Build a formatted commit message based on the upload context.
@@ -25,7 +42,6 @@ export function buildCommitMessage(
 
   const lines: string[] = [title, '']
 
-  // Model section — show status for new, changed, or unchanged
   const modelSummary = assetSummaries.find((asset) => asset.kind === 'model')
   const modelChange = fileChanges.get(modelFilename.toLowerCase())
   if (modelChange === 'new') {
@@ -45,15 +61,16 @@ export function buildCommitMessage(
     if (asset.kind === 'model' || !asset.category) continue
 
     const change = fileChanges.get(asset.filename.toLowerCase())
-    if (change === 'new') {
-      const current = grouped.get(asset.category) || []
-      current.push(`  ✅ ${asset.filename}${asset.compressed ? ' (compressed)' : ''}`)
-      grouped.set(asset.category, current)
-    } else if (change === 'changed') {
-      const current = grouped.get(asset.category) || []
-      current.push(`  🔄 ${asset.filename}${asset.compressed ? ' (compressed)' : ''}`)
-      grouped.set(asset.category, current)
-    }
+    if (!change) continue
+
+    const prefix = getChangePrefix(change)
+    if (!prefix) continue
+
+    addGroupedAssetLine(
+      grouped,
+      asset.category,
+      `  ${prefix} ${asset.filename}${asset.compressed ? ' (compressed)' : ''}`,
+    )
   }
 
   const sectionTitles: Record<AssetCategory, string> = {
@@ -69,7 +86,7 @@ export function buildCommitMessage(
     assets: '🧩 Assets',
   }
 
-  for (const category of ['color', 'diffuse', 'roughness', 'normal', 'metalness', 'height', 'opacity', 'orm', 'ao', 'assets'] as const) {
+  for (const category of ASSET_SECTION_ORDER) {
     const entries = grouped.get(category)
     if (!entries || entries.length === 0) continue
     lines.push('')