OpenClaw Skill: NEAR Streaming Payments

Description

## Overview
Create an OpenClaw skill for NEAR streaming payments - pay-per-second disbursements.

## Skill Commands

```python
@skill.command("near_stream_create")
async def create_stream(to: str, total_amount: str, duration_seconds: int) -> dict:
"""Create payment stream"""

@skill.command("near_stream_withdraw")
async def withdraw_from_stream(stream_id: str) -> dict:
"""Withdraw available funds from stream"""

@skill.command("near_stream_cancel")
async def cancel_stream(stream_id: str) -> dict:
"""Cancel stream and refund remaining"""

@skill.command("near_stream_status")
async def stream_status(stream_id: str) -> dict:
"""Get stream status and available balance"""
```

## Deliverables
1. **Streaming payments skill**
2. **Real-time tracking**
3. **Published to MoltHub**

## Budget: 8 NEAR