fix: batch Git LFS uploads

lib/github.ts

@@ -3,6 +3,8 @@ import { Octokit } from '@octokit/rest'
 import { LFS_EXTENSIONS } from './constants'
 import type { PushFile, RemoteFile } from './types'
 
+const LFS_BATCH_SIZE = 100
+
 // ---------------------------------------------------------------------------
 // Octokit helpers
 // ---------------------------------------------------------------------------
@@ -55,6 +57,24 @@ function parseLfsPointer(content: string): { oid: string; size: number } | null
   return { oid: oidMatch[1], size: parseInt(sizeMatch[1], 10) }
 }
 
+function formatElapsed(startedAt: number) {
+  return `${((performance.now() - startedAt) / 1000).toFixed(1)}s`
+}
+
+function logInfo(step: string, action: string, startedAt: number, details?: Record<string, unknown>) {
+  console.info(`[INFO] ${step} -> ${action} | Timer: ${formatElapsed(startedAt)}`, details || '')
+}
+
+function chunkArray<T>(items: T[], size: number) {
+  const chunks: T[][] = []
+
+  for (let i = 0; i < items.length; i += size) {
+    chunks.push(items.slice(i, i + size))
+  }
+
+  return chunks
+}
+
 interface LfsObject {
   oid: string
   size: number
@@ -76,6 +96,25 @@ async function uploadToLfs(
 ): Promise<void> {
   if (objects.length === 0) return
 
+  const batches = chunkArray(objects, LFS_BATCH_SIZE)
+
+  for (let i = 0; i < batches.length; i++) {
+    await uploadToLfsBatch(owner, repo, batches[i], i + 1, batches.length)
+  }
+}
+
+async function uploadToLfsBatch(
+  owner: string,
+  repo: string,
+  objects: LfsObject[],
+  batchNumber: number,
+  totalBatches: number,
+): Promise<void> {
+  const startedAt = performance.now()
+  logInfo('Git LFS', `Batch ${batchNumber}/${totalBatches} started`, startedAt, {
+    objects: objects.length,
+  })
+
   const token = process.env.GITHUB_TOKEN!
   const lfsUrl = `https://github.com/${owner}/${repo}.git/info/lfs/objects/batch`
 
@@ -96,6 +135,10 @@ async function uploadToLfs(
 
   if (!batchRes.ok) {
     const text = await batchRes.text()
+    console.error(`[ERROR] Git LFS -> Batch ${batchNumber}/${totalBatches} failed | Timer: ${formatElapsed(startedAt)}`, {
+      objects: objects.length,
+      status: batchRes.status,
+    })
     throw new Error(`LFS batch request failed (${batchRes.status}): ${text}`)
   }
 
@@ -165,6 +208,10 @@ async function uploadToLfs(
       }
     }
   }
+
+  logInfo('Git LFS', `Batch ${batchNumber}/${totalBatches} done`, startedAt, {
+    objects: objects.length,
+  })
 }
 
 // ---------------------------------------------------------------------------