docs: Ledger Live integration, contract deploy learnings, NEXT_STEPS updates

- ADD_CHAIN138_TO_LEDGER_LIVE: Ledger form done; public code review repo bis-innovations/LedgerLive; init/push commands
- CONTRACT_DEPLOYMENT_RUNBOOK: Chain 138 gas price 1 gwei, 36-addr check, TransactionMirror workaround
- CONTRACT_*: AddressMapper, MirrorManager deployed 2026-02-12; 36-address on-chain check
- NEXT_STEPS_FOR_YOU: Ledger done; steps completable now (no LAN); run-completable-tasks-from-anywhere
- MASTER_INDEX, OPERATOR_OPTIONAL, SMART_CONTRACTS_INVENTORY_SIMPLE: updates
- LEDGER_BLOCKCHAIN_INTEGRATION_COMPLETE: bis-innovations/LedgerLive reference

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

scripts/cleanup-blockscout-journal.sh

@@ -0,0 +1,102 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Load IP configuration
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
+source "${PROJECT_ROOT}/config/ip-addresses.conf" 2>/dev/null || true
+
+
+# Clean up systemd journal logs in Blockscout container
+# Usage: ./cleanup-blockscout-journal.sh [proxmox-host]
+
+set -e
+
+PROXMOX_HOST="${1:-192.168.11.12}"
+VMID=5000
+
+echo "=========================================="
+echo "Cleanup Blockscout Journal Logs"
+echo "=========================================="
+echo "Proxmox Host: $PROXMOX_HOST"
+echo "VMID: $VMID"
+echo "=========================================="
+echo ""
+
+# Check container status
+STATUS=$(ssh -o StrictHostKeyChecking=no root@$PROXMOX_HOST "pct status $VMID 2>/dev/null | awk '{print \$2}'" || echo "unknown")
+if [ "$STATUS" != "running" ]; then
+    echo "❌ Container is not running (status: $STATUS)"
+    exit 1
+fi
+
+# Get current journal size
+echo "=== Current Journal Size ==="
+CURRENT_SIZE=$(ssh -o StrictHostKeyChecking=no root@$PROXMOX_HOST "pct exec $VMID -- journalctl --disk-usage 2>/dev/null | awk '{print \$1}'" || echo "unknown")
+echo "Current journal size: $CURRENT_SIZE"
+echo ""
+
+# Get current disk usage
+echo "=== Current Disk Usage ==="
+ssh -o StrictHostKeyChecking=no root@$PROXMOX_HOST "pct exec $VMID -- df -h / | tail -1" || echo "Unable to check disk usage"
+echo ""
+
+# Ask for cleanup method
+CLEANUP_METHOD="${2:-size}"
+JOURNAL_LIMIT="${3:-100M}"
+
+echo "=== Cleanup Options ==="
+echo "1. Clean up by size (keep last 100MB)"
+echo "2. Clean up by time (keep last 3 days)"
+echo ""
+
+if [ "$CLEANUP_METHOD" = "time" ]; then
+    echo "Cleaning up journal logs (keeping last 3 days)..."
+    ssh -o StrictHostKeyChecking=no root@$PROXMOX_HOST "pct exec $VMID -- journalctl --vacuum-time=3d"
+elif [ "$CLEANUP_METHOD" = "size" ]; then
+    echo "Cleaning up journal logs (keeping last $JOURNAL_LIMIT)..."
+    ssh -o StrictHostKeyChecking=no root@$PROXMOX_HOST "pct exec $VMID -- journalctl --vacuum-size=$JOURNAL_LIMIT"
+else
+    echo "❌ Unknown cleanup method: $CLEANUP_METHOD"
+    exit 1
+fi
+
+echo ""
+echo "=== Journal Size After Cleanup ==="
+NEW_SIZE=$(ssh -o StrictHostKeyChecking=no root@$PROXMOX_HOST "pct exec $VMID -- journalctl --disk-usage 2>/dev/null | awk '{print \$1}'" || echo "unknown")
+echo "Journal size after cleanup: $NEW_SIZE"
+echo ""
+
+# Configure journal limits
+echo "=== Configuring Journal Limits ==="
+ssh -o StrictHostKeyChecking=no root@$PROXMOX_HOST "pct exec $VMID -- bash << 'EOF'
+if ! grep -q '^SystemMaxUse=' /etc/systemd/journald.conf; then
+    echo 'SystemMaxUse=$JOURNAL_LIMIT' >> /etc/systemd/journald.conf
+    echo '✅ Added SystemMaxUse=$JOURNAL_LIMIT to journald.conf'
+else
+    sed -i 's/^SystemMaxUse=.*/SystemMaxUse=$JOURNAL_LIMIT/' /etc/systemd/journald.conf
+    echo '✅ Updated SystemMaxUse to $JOURNAL_LIMIT in journald.conf'
+fi
+
+# Restart journald
+systemctl restart systemd-journald
+echo '✅ Restarted systemd-journald'
+EOF
+" || echo "⚠️  Unable to configure journal limits"
+
+echo ""
+echo "=== Disk Usage After Cleanup ==="
+ssh -o StrictHostKeyChecking=no root@$PROXMOX_HOST "pct exec $VMID -- df -h / | tail -1" || echo "Unable to check disk usage"
+echo ""
+
+echo "=========================================="
+echo "Cleanup Complete"
+echo "=========================================="
+echo ""
+echo "Summary:"
+echo "  Before: $CURRENT_SIZE"
+echo "  After:  $NEW_SIZE"
+echo ""
+echo "To verify cleanup:"
+echo "  ssh root@$PROXMOX_HOST 'pct exec $VMID -- journalctl --disk-usage'"
+echo ""