refactor: consolidate upload helpers

lib/upload-staging.ts

@@ -3,8 +3,9 @@ import { dirname, join } from 'path'
 import { mkdir, readdir, readFile, rm, writeFile } from 'fs/promises'
 import { existsSync } from 'fs'
 import { TMP_DIR } from '@/lib/constants'
+import { getModelAssetPath } from '@/lib/model-paths'
 import { prepareGitAssets } from '@/lib/prepare-git-assets'
-import type { ParsedFile, PreparedAssetSummary } from '@/lib/types'
+import type { ParsedFile, PreparedAssetSummary, PushFile } from '@/lib/types'
 
 const STAGING_ROOT = join(TMP_DIR, 'staging')
 const STAGING_TTL_MS = 60 * 60 * 1000
@@ -30,11 +31,6 @@ interface StagingManifest {
   prepared?: StagedPreparedData
 }
 
-interface PushFile {
-  path: string
-  contentBase64: string
-}
-
 interface PreparedStageAssetsResult {
   folderName: string
   filesToPush: PushFile[]
@@ -148,7 +144,7 @@ async function buildPreparedPushFiles(stagingId: string, manifest: StagingManife
     manifest.originals.map(async (file) => {
       const buffer = await readFile(join(preparedDir, file.filename))
       return {
-        path: `public/models/${manifest.folderName}/${file.filename}`,
+        path: getModelAssetPath(manifest.folderName, file.filename),
         contentBase64: buffer.toString('base64'),
       }
     }),