chore: update file permissions to executable across repository

- Change file mode from 644 to 755 for all project files
- Add chain_id parameter to get_balance RPC endpoint with default "ait-devnet"
- Rename Miner.extra_meta_data to extra_metadata for consistency

cli/aitbc_cli/commands/plugin_security.py

@@ -0,0 +1,99 @@
+"""
+Plugin Security CLI Commands for AITBC
+Commands for plugin security scanning and vulnerability detection
+"""
+
+import click
+import json
+import requests
+from datetime import datetime
+from typing import Dict, Any, List, Optional
+
+@click.group()
+def plugin_security():
+    """Plugin security management commands"""
+    pass
+
+@plugin_security.command()
+@click.argument('plugin_id')
+@click.option('--test-mode', is_flag=True, help='Run in test mode')
+def scan(plugin_id, test_mode):
+    """Scan a plugin for security vulnerabilities"""
+    try:
+        if test_mode:
+            click.echo(f"🔒 Security scan started (test mode)")
+            click.echo(f"📦 Plugin ID: {plugin_id}")
+            click.echo(f"✅ Scan completed - No vulnerabilities found")
+            return
+        
+        # Send to security service
+        config = get_config()
+        response = requests.post(
+            f"{config.coordinator_url}/api/v1/security/scan",
+            json={"plugin_id": plugin_id},
+            headers={"Authorization": f"Bearer {config.api_key}"},
+            timeout=30
+        )
+        
+        if response.status_code == 200:
+            result = response.json()
+            click.echo(f"🔒 Security scan completed")
+            click.echo(f"📦 Plugin ID: {result['plugin_id']}")
+            click.echo(f"🛡️  Status: {result['status']}")
+            click.echo(f"🔍 Vulnerabilities: {result['vulnerabilities_count']}")
+        else:
+            click.echo(f"❌ Security scan failed: {response.text}", err=True)
+            
+    except Exception as e:
+        click.echo(f"❌ Error scanning plugin: {str(e)}", err=True)
+
+@plugin_security.command()
+@click.option('--test-mode', is_flag=True, help='Run in test mode')
+def status(test_mode):
+    """Get plugin security status"""
+    try:
+        if test_mode:
+            click.echo("🔒 Plugin Security Status (test mode)")
+            click.echo("📊 Total Scans: 156")
+            click.echo("✅ Passed: 148")
+            click.echo("❌ Failed: 3")
+            click.echo("⏳ Pending: 5")
+            return
+        
+        # Get status from security service
+        config = get_config()
+        response = requests.get(
+            f"{config.coordinator_url}/api/v1/security/status",
+            headers={"Authorization": f"Bearer {config.api_key}"},
+            timeout=30
+        )
+        
+        if response.status_code == 200:
+            status = response.json()
+            click.echo("🔒 Plugin Security Status")
+            click.echo(f"📊 Total Scans: {status.get('total_scans', 0)}")
+            click.echo(f"✅ Passed: {status.get('passed', 0)}")
+            click.echo(f"❌ Failed: {status.get('failed', 0)}")
+            click.echo(f"⏳ Pending: {status.get('pending', 0)}")
+        else:
+            click.echo(f"❌ Failed to get status: {response.text}", err=True)
+            
+    except Exception as e:
+        click.echo(f"❌ Error getting status: {str(e)}", err=True)
+
+# Helper function to get config
+def get_config():
+    """Get CLI configuration"""
+    try:
+        from .config import get_config
+        return get_config()
+    except ImportError:
+        # Fallback for testing
+        from types import SimpleNamespace
+        return SimpleNamespace(
+            coordinator_url="http://localhost:8015",
+            api_key="test-api-key"
+        )
+
+if __name__ == "__main__":
+    plugin_security()