Cluster deploy: ac/* only, hub assets, auth routes at project root.

Remove monolith clone path; add hub deploy, legacy purge, composed-backend
login/logout nginx locations, and full hub asset rsync validation.

Co-authored-by: Cursor <cursoragent@cursor.com>

sim/cluster0/scripts/deploy-ac-hub.sh

@@ -0,0 +1,45 @@
+#!/bin/sh
+# Deploy ac-be-hub landing to APP_ROOT (hub index.php + full assets tree).
+set -eu
+ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+# shellcheck source=/dev/null
+. "$ROOT/scripts/lib/common.sh"
+load_cluster_env
+
+WS="${AC_WORKSPACE_ROOT:-/var/www/ac/workspace}"
+HUB="${WS}/ac-be-hub"
+DEST="${APP_ROOT:-/var/www/localhost/htdocs/apps/app/androidcast_project}"
+
+[ -d "$HUB" ] || die "missing ac-be-hub at $HUB (run deploy-ac-workspace.sh first)"
+
+mkdir -p "$DEST/partials"
+for f in index.php index.html hub.css hub-logo-layers.css hub-landing.css landing-pages.inc.php; do
+  install -m 0644 "$HUB/$f" "$DEST/$f"
+done
+install -D -m 0644 "$HUB/partials/cookie_consent.php" "$DEST/partials/cookie_consent.php"
+
+# Hub clock/globe/logo layers need the full assets/ tree (SVG alphabets, fragments, optional fonts/).
+log "rsync hub assets/"
+rsync -a --delete \
+  --exclude='*.py' \
+  --exclude='analytics.config.example.js' \
+  "$HUB/assets/" "$DEST/assets/"
+
+# Hub footer expects platform under android_cast/examples/platform OR ../platform
+PLATFORM_SRC="${WS}/ac-platform-php/platform"
+PLATFORM_DEST="${DEST}/android_cast/examples/platform"
+if [ -d "$PLATFORM_SRC" ]; then
+  mkdir -p "$(dirname "$PLATFORM_DEST")"
+  rsync -a --delete "$PLATFORM_SRC/" "$PLATFORM_DEST/"
+fi
+
+for _req in \
+  assets/hub-logo-transparent.svg \
+  assets/hub-logo-fragment-globe.svg \
+  assets/overtime-01-alphabet.svg \
+  assets/quartz-alphabet.svg; do
+  [ -f "$DEST/$_req" ] || die "hub deploy incomplete: missing $_req"
+done
+
+chown -R nginx:nginx "$DEST" 2>/dev/null || true
+log "deploy-ac-hub_ok $(host_short)"