fix(upload): isolate cron jobs in worker

scripts/process-scheduled-video-uploads.sh

@@ -1,18 +0,0 @@
-#!/bin/sh
-set -eu
-
-upload_cron_lock=/tmp/erika-video-upload-cron.lock
-
-if ! mkdir "$upload_cron_lock" 2>/dev/null; then
-  echo "Previous scheduled video upload run is still active; skipping this minute."
-  exit 0
-fi
-
-trap 'rmdir "$upload_cron_lock"' EXIT INT TERM
-
-wget -q -O /dev/null \
-  --header="Authorization: Bearer ${CRON_SECRET}" \
-  http://app:3000/api/cron/video-uploads || {
-    echo "Scheduled video upload processing failed." >&2
-    exit 1
-  }

scripts/video-upload-crontab

@@ -1 +1 @@
-* * * * * /usr/local/bin/process-scheduled-video-uploads
+* * * * * bun run worker/video-upload.ts