fix: log errors in writeShopifyIdToSheet and skip 404s in sync-stock

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/lib/creationSheets.ts

@@ -114,11 +114,14 @@ export async function writeShopifyIdToSheet(tab: string, rowNumber: number, shop
     headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
     body: new URLSearchParams({ grant_type: 'urn:ietf:params:oauth:grant-type:jwt-bearer', assertion: jwt }),
   })
-  if (!tokenRes.ok) return
+  if (!tokenRes.ok) {
+    console.error(`[sheets] token error ${tokenRes.status} for ${tab}!A${rowNumber}`)
+    return
+  }
   const { access_token } = await tokenRes.json() as { access_token: string }
 
   const range = encodeURIComponent(`${tab}!A${rowNumber}`)
-  await fetch(
+  const writeRes = await fetch(
     `https://sheets.googleapis.com/v4/spreadsheets/${sheetId}/values/${range}?valueInputOption=RAW`,
     {
       method: 'PUT',
@@ -126,6 +129,10 @@ export async function writeShopifyIdToSheet(tab: string, rowNumber: number, shop
       body: JSON.stringify({ range: `${tab}!A${rowNumber}`, majorDimension: 'ROWS', values: [[shopifyId]] }),
     },
   )
+  if (!writeRes.ok) {
+    const txt = await writeRes.text()
+    console.error(`[sheets] write error ${writeRes.status} for ${tab}!A${rowNumber}: ${txt}`)
+  }
 }
 
 export async function fetchPendingProducts(