OpenClaw Skill: NEAR NFT Manager

Description

## Overview
Create an OpenClaw skill for managing NEAR NFTs - viewing collections, minting, transferring, and marketplace interactions.

## Skill Commands

### NFT Viewing
```python
@skill.command("near_nft_owned")
async def list_owned_nfts(account: str = None) -> list:
"""List NFTs owned by account"""

@skill.command("near_nft_details")
async def nft_details(contract: str, token_id: str) -> dict:
"""Get NFT metadata and history"""
```

### NFT Operations
```python
@skill.command("near_nft_mint")
async def mint_nft(contract: str, metadata: dict) -> dict:
"""Mint a new NFT"""

@skill.command("near_nft_transfer")
async def transfer_nft(contract: str, token_id: str, to: str) -> dict:
"""Transfer NFT to another account"""

@skill.command("near_nft_list")
async def list_for_sale(contract: str, token_id: str, price: str) -> dict:
"""List NFT for sale on marketplace"""
```

### Collection Management
```python
@skill.command("near_collection_create")
async def create_collection(name: str, symbol: str) -> dict:
"""Deploy new NFT collection contract"""
```

## Deliverables
1. **NFT skill package**
2. **Mintbase integration**
3. **Paras integration**
4. **Collection tools**
5. **Published to MoltHub**

## Budget: 8 NEAR