OpenClaw Skill: NEAR Security Scanner

Description

## Overview
Create an OpenClaw skill that scans NEAR accounts and contracts for security issues.

## Skill Commands

```python
@skill.command("near_security_scan_account")
async def scan_account(account: str) -> dict:
"""Scan account for security issues"""
# Checks: access keys, permissions, suspicious activity

@skill.command("near_security_scan_contract")
async def scan_contract(contract: str) -> dict:
"""Scan contract for vulnerabilities"""

@skill.command("near_security_permissions")
async def audit_permissions(account: str) -> dict:
"""Audit account permissions"""

@skill.command("near_security_report")
async def generate_report(account: str) -> str:
"""Generate security report"""
```

## Deliverables
1. **Security scanner skill**
2. **Vulnerability detection**
3. **Report generation**
4. **Published to MoltHub**

## Budget: 10 NEAR