Complete markdown files cleanup and organization

- Organized 252 files across project
- Root directory: 187 → 2 files (98.9% reduction)
- Moved configuration guides to docs/04-configuration/
- Moved troubleshooting guides to docs/09-troubleshooting/
- Moved quick start guides to docs/01-getting-started/
- Moved reports to reports/ directory
- Archived temporary files
- Generated comprehensive reports and documentation
- Created maintenance scripts and guides

All files organized according to established standards.

scripts/rpc-failover.sh

@@ -0,0 +1,97 @@
+#!/usr/bin/env bash
+# RPC failover and redundancy management
+# Usage: ./rpc-failover.sh [primary|backup|test]
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SOURCE_PROJECT="/home/intlc/projects/smom-dbis-138"
+
+source "$SOURCE_PROJECT/.env" 2>/dev/null || true
+
+# RPC endpoints (add backup endpoints here)
+PRIMARY_RPC="${RPC_URL_138:-http://192.168.11.250:8545}"
+BACKUP_RPC="${RPC_URL_138_BACKUP:-http://192.168.11.250:8545}"  # Add backup endpoint
+HTTPS_RPC="https://rpc-core.d-bis.org"
+
+ACTION="${1:-test}"
+
+# Test RPC endpoint
+test_rpc() {
+    local rpc_url="$1"
+    if cast block-number --rpc-url "$rpc_url" >/dev/null 2>&1; then
+        echo "✅ $rpc_url: Accessible"
+        return 0
+    else
+        echo "❌ $rpc_url: Not accessible"
+        return 1
+    fi
+}
+
+# Get working RPC endpoint
+get_working_rpc() {
+    if test_rpc "$PRIMARY_RPC"; then
+        echo "$PRIMARY_RPC"
+    elif test_rpc "$HTTPS_RPC"; then
+        echo "$HTTPS_RPC"
+    elif test_rpc "$BACKUP_RPC"; then
+        echo "$BACKUP_RPC"
+    else
+        echo ""
+    fi
+}
+
+# Test all endpoints
+test_all() {
+    echo "=== Testing RPC Endpoints ==="
+    echo ""
+    test_rpc "$PRIMARY_RPC"
+    test_rpc "$HTTPS_RPC"
+    test_rpc "$BACKUP_RPC"
+    echo ""
+    
+    WORKING_RPC=$(get_working_rpc)
+    if [ -n "$WORKING_RPC" ]; then
+        echo "✅ Working endpoint: $WORKING_RPC"
+    else
+        echo "❌ No working endpoints found"
+        return 1
+    fi
+}
+
+# Use primary endpoint
+use_primary() {
+    export RPC_URL_138="$PRIMARY_RPC"
+    echo "Using primary RPC: $PRIMARY_RPC"
+}
+
+# Use backup endpoint
+use_backup() {
+    export RPC_URL_138="$BACKUP_RPC"
+    echo "Using backup RPC: $BACKUP_RPC"
+}
+
+# Auto-failover
+auto_failover() {
+    WORKING_RPC=$(get_working_rpc)
+    if [ -n "$WORKING_RPC" ]; then
+        export RPC_URL_138="$WORKING_RPC"
+        echo "Auto-selected RPC: $WORKING_RPC"
+        return 0
+    else
+        echo "ERROR: No working RPC endpoints"
+        return 1
+    fi
+}
+
+case "$ACTION" in
+    test) test_all ;;
+    primary) use_primary ;;
+    backup) use_backup ;;
+    auto) auto_failover ;;
+    *)
+        echo "Usage: $0 [test|primary|backup|auto]"
+        exit 1
+        ;;
+esac
+