refactor: convert aitbc-cli to symlink and enhance CLI command structure

CLI Wrapper Changes:
- Converted aitbc-cli from bash wrapper script to direct symlink
- Symlink points to python3 /opt/aitbc/cli/aitbc_cli.py
- Simplified CLI invocation and removed wrapper overhead

CLI Command Enhancements:
- Added system status command with version and service info
- Added blockchain subcommands (info, height, block)
- Added wallet subcommands (backup, export, sync, balance)
- Added network subcommands (status

aitbc-cli

@@ -1,36 +0,0 @@
-#!/bin/bash
-# AITBC CLI Wrapper
-# Delegates to the actual Python CLI implementation at /opt/aitbc/cli/aitbc_cli.py
-
-CLI_DIR="/opt/aitbc/cli"
-PYTHON_CLI="$CLI_DIR/aitbc_cli.py"
-
-if [ ! -f "$PYTHON_CLI" ]; then
-    echo "Error: AITBC CLI not found at $PYTHON_CLI"
-    exit 1
-fi
-
-# Handle version request
-if [ "$1" == "--version" ] || [ "$1" == "-v" ]; then
-    echo "aitbc-cli v2.0.0"
-    exit 0
-fi
-
-# Handle help request  
-if [ "$1" == "--help" ] || [ "$1" == "-h" ]; then
-    echo "AITBC CLI - AI Training Blockchain Command Line Interface"
-    echo ""
-    echo "Usage: aitbc-cli [command] [options]"
-    echo ""
-    echo "Available commands: balance, create, delete, export, import, list, send,"
-    echo "                    transactions, mine-start, mine-stop, openclaw, workflow,"
-    echo "                    resource, batch, rename, and more..."
-    echo ""
-    echo "For detailed help: aitbc-cli --help-all"
-    echo ""
-    exit 0
-fi
-
-# Delegate to Python CLI
-cd "$CLI_DIR"
-python3 "$PYTHON_CLI" "$@"

aitbc-cli

@@ -0,0 +1 @@
+python3 /opt/aitbc/cli/aitbc_cli.py