tooling: instagram-chrome-scrape.py (was reels-scrape.py) gains --tab posts with early stop; chrome-sync.sh + reels/posts-sync.sh wrappers; MANUAL-RUN.md; atomic-deploy note

scripts/posts-sync.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+# chrome-sync.sh for the main profile grid: scroll /<user>/ in the signed-in
+# Chrome, collect /p/ and /reel/ links, fetch only the new ones as single
+# posts. A by-hand fallback for when gallery-dl's posts listing is broken
+# (2026-10-22: upstream gh#9829) while single-post fetches still work -- see
+# TOOLING.md. Stops scrolling once it reaches already-archived posts.
+#
+# Usage: ./posts-sync.sh <username-or-profile-url>
+set -eu
+export GDL_TAB=posts
+exec "$(dirname "$0")/chrome-sync.sh" "$@"