diff --git a/docs_v1.0/M4_HANDOVER/deploy.sh b/docs_v1.0/M4_HANDOVER/deploy.sh
index e8ad97b..4d40527 100644
--- a/docs_v1.0/M4_HANDOVER/deploy.sh
+++ b/docs_v1.0/M4_HANDOVER/deploy.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 # Momentry Release Package — Deploy Script
-# Usage: SCHEMA=public bash deploy.sh
+# Usage: SCHEMA=public bash deploy.sh [--force]
 
 set -euo pipefail
 DIR="$(cd "$(dirname "$0")" && pwd)"
@@ -13,10 +13,12 @@ DEMO_DIR="${DEMO_DIR:-/Users/accusys/momentry/var/sftpgo/data/demo}"
 OUTPUT_DIR="${OUTPUT_DIR:-/Users/accusys/momentry/output_dev}"
 P="${SCHEMA}."
 
-echo "=== Momentry Package Deploy ==="
-echo "UUID: $UUID"
-echo "Time: $(date '+%Y-%m-%d %H:%M:%S')"
-echo ""
+# Parse --force flag
+FORCE=false
+for arg in "$@"; do
+    [ "$arg" = "--force" ] && FORCE=true
+done
+
 echo "=== Momentry Package Deploy ==="
 echo "UUID: $UUID"
 echo "Time: $(date '+%Y-%m-%d %H:%M:%S')"
@@ -64,6 +66,22 @@ if [ $MISSING -eq 1 ]; then
 fi
 echo "  ✅ Package verified"
 
+# 1b. Check for existing data before pre-clean
+EXISTING=$("$PG_BIN/psql" -U "$DB_USER" -d "$DB_NAME" -t -A -c "SELECT COUNT(*) FROM ${P}videos WHERE file_uuid='$UUID'" 2>/dev/null || echo "0")
+if [ "$EXISTING" -gt 0 ] && [ "$FORCE" = false ]; then
+    echo ""
+    echo "  ⚠️  Existing data found for UUID $UUID ($EXISTING videos table rows)"
+    echo "  This will DELETE all existing data for this UUID and re-import."
+    echo "  Continue? [y/N] "
+    read -r CONFIRM
+    if [ "$CONFIRM" != "y" ] && [ "$CONFIRM" != "Y" ]; then
+        echo "  ❌ Aborted by user"
+        exit 1
+    fi
+elif [ "$EXISTING" -gt 0 ] && [ "$FORCE" = true ]; then
+    echo "  ⚠️  Existing data will be overwritten (--force)"
+fi
+
 # 2. Pre-clean: clear all data for this file (avoids PK/FK conflicts on COPY)
 echo "[2/9] Pre-cleaning existing data for this file..."
 "$PG_BIN/psql" -U "$DB_USER" -d "$DB_NAME" <<-EOSQL > /dev/null 2>&1
diff --git a/scripts/deploy_package.sh b/scripts/deploy_package.sh
index e8ad97b..4d40527 100644
--- a/scripts/deploy_package.sh
+++ b/scripts/deploy_package.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 # Momentry Release Package — Deploy Script
-# Usage: SCHEMA=public bash deploy.sh
+# Usage: SCHEMA=public bash deploy.sh [--force]
 
 set -euo pipefail
 DIR="$(cd "$(dirname "$0")" && pwd)"
@@ -13,10 +13,12 @@ DEMO_DIR="${DEMO_DIR:-/Users/accusys/momentry/var/sftpgo/data/demo}"
 OUTPUT_DIR="${OUTPUT_DIR:-/Users/accusys/momentry/output_dev}"
 P="${SCHEMA}."
 
-echo "=== Momentry Package Deploy ==="
-echo "UUID: $UUID"
-echo "Time: $(date '+%Y-%m-%d %H:%M:%S')"
-echo ""
+# Parse --force flag
+FORCE=false
+for arg in "$@"; do
+    [ "$arg" = "--force" ] && FORCE=true
+done
+
 echo "=== Momentry Package Deploy ==="
 echo "UUID: $UUID"
 echo "Time: $(date '+%Y-%m-%d %H:%M:%S')"
@@ -64,6 +66,22 @@ if [ $MISSING -eq 1 ]; then
 fi
 echo "  ✅ Package verified"
 
+# 1b. Check for existing data before pre-clean
+EXISTING=$("$PG_BIN/psql" -U "$DB_USER" -d "$DB_NAME" -t -A -c "SELECT COUNT(*) FROM ${P}videos WHERE file_uuid='$UUID'" 2>/dev/null || echo "0")
+if [ "$EXISTING" -gt 0 ] && [ "$FORCE" = false ]; then
+    echo ""
+    echo "  ⚠️  Existing data found for UUID $UUID ($EXISTING videos table rows)"
+    echo "  This will DELETE all existing data for this UUID and re-import."
+    echo "  Continue? [y/N] "
+    read -r CONFIRM
+    if [ "$CONFIRM" != "y" ] && [ "$CONFIRM" != "Y" ]; then
+        echo "  ❌ Aborted by user"
+        exit 1
+    fi
+elif [ "$EXISTING" -gt 0 ] && [ "$FORCE" = true ]; then
+    echo "  ⚠️  Existing data will be overwritten (--force)"
+fi
+
 # 2. Pre-clean: clear all data for this file (avoids PK/FK conflicts on COPY)
 echo "[2/9] Pre-cleaning existing data for this file..."
 "$PG_BIN/psql" -U "$DB_USER" -d "$DB_NAME" <<-EOSQL > /dev/null 2>&1