diff --git a/fiveparaminte-main/background_tasks.py b/fiveparaminte-main/background_tasks.py
index 71bb6c9..c8ef22d 100644
--- a/fiveparaminte-main/background_tasks.py
+++ b/fiveparaminte-main/background_tasks.py
@@ -122,6 +122,45 @@ async def sync_cloud_state():
                         "patient_type": getattr(p, "patient_type", None)
                     }
                     await sync_patient_assignment_to_cloud(p_data, p.device_id)
+
+                    # 2. Backfill and forward latest complete vitals to Render (Option B)
+                    from sqlalchemy import or_
+                    from datetime import datetime, timezone
+                    patient_filters = or_(
+                        VitalReading.patient_id == p.mrn,
+                        VitalReading.patient_id == p.patient_id,
+                        VitalReading.device_id == p.device_id
+                    )
+                    recent_r = db.query(VitalReading).filter(patient_filters).order_by(VitalReading.timestamp.desc()).first()
+                    if recent_r:
+                        spo2_r = db.query(VitalReading.spo2).filter(patient_filters, VitalReading.spo2 != None).order_by(VitalReading.timestamp.desc()).first()
+                        hr_r = db.query(VitalReading.heart_rate).filter(patient_filters, VitalReading.heart_rate != None).order_by(VitalReading.timestamp.desc()).first()
+                        bp_r = db.query(VitalReading.systolic_bp, VitalReading.diastolic_bp, VitalReading.map_bp).filter(patient_filters, VitalReading.systolic_bp != None).order_by(VitalReading.timestamp.desc()).first()
+                        temp_r = db.query(VitalReading.temperature).filter(patient_filters, VitalReading.temperature != None).order_by(VitalReading.timestamp.desc()).first()
+                        temp2_r = db.query(VitalReading.temperature2).filter(patient_filters, VitalReading.temperature2 != None).order_by(VitalReading.timestamp.desc()).first()
+                        temp_diff_r = db.query(VitalReading.temperature_diff).filter(patient_filters, VitalReading.temperature_diff != None).order_by(VitalReading.timestamp.desc()).first()
+                        rr_r = db.query(VitalReading.respiratory_rate).filter(patient_filters, VitalReading.respiratory_rate != None).order_by(VitalReading.timestamp.desc()).first()
+
+                        merged = NormalizedVitals(
+                            device_id=p.device_id,
+                            patient_id=p.mrn or p.patient_id,
+                            patient_name=p.name,
+                            patient_gender=p.gender,
+                            patient_dob=p.dob,
+                            bed_id=p.bed_id,
+                            patient_type=getattr(p, "patient_type", None),
+                            timestamp=recent_r.timestamp or datetime.now(timezone.utc),
+                            heart_rate=hr_r[0] if hr_r else None,
+                            spo2=spo2_r[0] if spo2_r else None,
+                            systolic_bp=bp_r[0] if bp_r else None,
+                            diastolic_bp=bp_r[1] if bp_r else None,
+                            map_bp=bp_r[2] if bp_r else None,
+                            temperature=temp_r[0] if temp_r else None,
+                            temperature2=temp2_r[0] if temp2_r else None,
+                            temperature_diff=temp_diff_r[0] if temp_diff_r else None,
+                            respiratory_rate=rr_r[0] if rr_r else None
+                        )
+                        await forward_vitals_to_api(merged)
             finally:
                 db.close()
         except Exception as e:
diff --git a/fiveparaminte-main/setup_service.sh b/fiveparaminte-main/setup_service.sh
index ea3a2e6..f6aeea8 100755
--- a/fiveparaminte-main/setup_service.sh
+++ b/fiveparaminte-main/setup_service.sh
@@ -5,11 +5,45 @@ set -e
 
 SERVICE_NAME="contec-forwarder"
 SERVICE_FILE="/etc/systemd/system/${SERVICE_NAME}.service"
-WORKING_DIR="/home/prathiyuman/Prathiyuman/ContecMonitor/fiveparaminte-main"
+
+# Auto-detect script directory or fallback to standard path
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+if [ -f "${SCRIPT_DIR}/main.py" ]; then
+    WORKING_DIR="${SCRIPT_DIR}"
+elif [ -d "/home/prathiyuman/Prathiyuman/ContecMonitor/fiveparaminte-main" ]; then
+    WORKING_DIR="/home/prathiyuman/Prathiyuman/ContecMonitor/fiveparaminte-main"
+elif [ -d "/home/prathiyuman/ContecMonitor" ]; then
+    WORKING_DIR="/home/prathiyuman/ContecMonitor"
+else
+    WORKING_DIR="${PWD}"
+fi
+
+echo "=== Detected Working Directory: ${WORKING_DIR} ==="
+
+# Ensure virtual environment exists
+if [ ! -f "${WORKING_DIR}/venv/bin/python" ]; then
+    echo "=== Virtual environment not found. Creating venv... ==="
+    python3 -m venv "${WORKING_DIR}/venv" || sudo apt-get update && sudo apt-get install -y python3-venv python3-pip && python3 -m venv "${WORKING_DIR}/venv"
+fi
+
 PYTHON_EXEC="${WORKING_DIR}/venv/bin/python"
 SCRIPT_PATH="${WORKING_DIR}/main.py"
 
-echo "=== Creating systemd service file ==="
+# Ensure dependencies are installed
+if [ -f "${WORKING_DIR}/requirements.txt" ]; then
+    echo "=== Installing/verifying dependencies ==="
+    "${WORKING_DIR}/venv/bin/pip" install --upgrade pip
+    "${WORKING_DIR}/venv/bin/pip" install -r "${WORKING_DIR}/requirements.txt"
+fi
+
+# Open firewall ports for Contec monitor (Port 511) and Web API (Port 8006)
+if command -v ufw >/dev/null 2>&1; then
+    echo "=== Configuring firewall (UFW) for Port 511 and 8006 ==="
+    sudo ufw allow 511/tcp comment "Contec Patient Monitor CMS TCP" || true
+    sudo ufw allow 8006/tcp comment "Contec Forwarder HTTP API" || true
+fi
+
+echo "=== Creating systemd service file: ${SERVICE_FILE} ==="
 sudo bash -c "cat > ${SERVICE_FILE}" <<EOF
 [Unit]
 Description=Contec Patient Monitor Vital Signs Forwarder
@@ -20,6 +54,7 @@ Type=simple
 User=root
 WorkingDirectory=${WORKING_DIR}
 Environment=PORT=8006
+Environment=PYTHONPATH=${WORKING_DIR}
 ExecStart=${PYTHON_EXEC} ${SCRIPT_PATH}
 Restart=always
 RestartSec=5
@@ -36,7 +71,7 @@ sudo systemctl daemon-reload
 echo "=== Enabling ${SERVICE_NAME} to start on boot ==="
 sudo systemctl enable ${SERVICE_NAME}
 
-echo "=== Starting ${SERVICE_NAME} service ==="
+echo "=== Restarting ${SERVICE_NAME} service ==="
 sudo systemctl restart ${SERVICE_NAME}
 
 echo "=== Service Status ==="
@@ -45,6 +80,7 @@ sudo systemctl status ${SERVICE_NAME} --no-pager
 echo ""
 echo "=========================================================="
 echo "SUCCESS: Contec Forwarder is now running in the background!"
-echo "To check live service logs, run:"
-echo "  sudo journalctl -u contec-forwarder -f"
+echo "Port 511 is open and listening for the Contec physical monitor."
+echo "To check live logs, run:"
+echo "  sudo journalctl -u ${SERVICE_NAME} -f"
 echo "=========================================================="
diff --git a/setup_service.sh b/setup_service.sh
index ea3a2e6..f6aeea8 100644
--- a/setup_service.sh
+++ b/setup_service.sh
@@ -5,11 +5,45 @@ set -e
 
 SERVICE_NAME="contec-forwarder"
 SERVICE_FILE="/etc/systemd/system/${SERVICE_NAME}.service"
-WORKING_DIR="/home/prathiyuman/Prathiyuman/ContecMonitor/fiveparaminte-main"
+
+# Auto-detect script directory or fallback to standard path
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+if [ -f "${SCRIPT_DIR}/main.py" ]; then
+    WORKING_DIR="${SCRIPT_DIR}"
+elif [ -d "/home/prathiyuman/Prathiyuman/ContecMonitor/fiveparaminte-main" ]; then
+    WORKING_DIR="/home/prathiyuman/Prathiyuman/ContecMonitor/fiveparaminte-main"
+elif [ -d "/home/prathiyuman/ContecMonitor" ]; then
+    WORKING_DIR="/home/prathiyuman/ContecMonitor"
+else
+    WORKING_DIR="${PWD}"
+fi
+
+echo "=== Detected Working Directory: ${WORKING_DIR} ==="
+
+# Ensure virtual environment exists
+if [ ! -f "${WORKING_DIR}/venv/bin/python" ]; then
+    echo "=== Virtual environment not found. Creating venv... ==="
+    python3 -m venv "${WORKING_DIR}/venv" || sudo apt-get update && sudo apt-get install -y python3-venv python3-pip && python3 -m venv "${WORKING_DIR}/venv"
+fi
+
 PYTHON_EXEC="${WORKING_DIR}/venv/bin/python"
 SCRIPT_PATH="${WORKING_DIR}/main.py"
 
-echo "=== Creating systemd service file ==="
+# Ensure dependencies are installed
+if [ -f "${WORKING_DIR}/requirements.txt" ]; then
+    echo "=== Installing/verifying dependencies ==="
+    "${WORKING_DIR}/venv/bin/pip" install --upgrade pip
+    "${WORKING_DIR}/venv/bin/pip" install -r "${WORKING_DIR}/requirements.txt"
+fi
+
+# Open firewall ports for Contec monitor (Port 511) and Web API (Port 8006)
+if command -v ufw >/dev/null 2>&1; then
+    echo "=== Configuring firewall (UFW) for Port 511 and 8006 ==="
+    sudo ufw allow 511/tcp comment "Contec Patient Monitor CMS TCP" || true
+    sudo ufw allow 8006/tcp comment "Contec Forwarder HTTP API" || true
+fi
+
+echo "=== Creating systemd service file: ${SERVICE_FILE} ==="
 sudo bash -c "cat > ${SERVICE_FILE}" <<EOF
 [Unit]
 Description=Contec Patient Monitor Vital Signs Forwarder
@@ -20,6 +54,7 @@ Type=simple
 User=root
 WorkingDirectory=${WORKING_DIR}
 Environment=PORT=8006
+Environment=PYTHONPATH=${WORKING_DIR}
 ExecStart=${PYTHON_EXEC} ${SCRIPT_PATH}
 Restart=always
 RestartSec=5
@@ -36,7 +71,7 @@ sudo systemctl daemon-reload
 echo "=== Enabling ${SERVICE_NAME} to start on boot ==="
 sudo systemctl enable ${SERVICE_NAME}
 
-echo "=== Starting ${SERVICE_NAME} service ==="
+echo "=== Restarting ${SERVICE_NAME} service ==="
 sudo systemctl restart ${SERVICE_NAME}
 
 echo "=== Service Status ==="
@@ -45,6 +80,7 @@ sudo systemctl status ${SERVICE_NAME} --no-pager
 echo ""
 echo "=========================================================="
 echo "SUCCESS: Contec Forwarder is now running in the background!"
-echo "To check live service logs, run:"
-echo "  sudo journalctl -u contec-forwarder -f"
+echo "Port 511 is open and listening for the Contec physical monitor."
+echo "To check live logs, run:"
+echo "  sudo journalctl -u ${SERVICE_NAME} -f"
 echo "=========================================================="