feat: add Long-Short Meat Grinder — Liquidation Cascade Strategy v1.0

[wangyangmingsss]

New Skill: 多空绞肉机 · Long-Short Meat Grinder

A liquidation cascade capture strategy based on L/S Ratio × Open Interest × Funding Rate triple confluence.

Core Logic

L/S Ratio	OI	Funding	Signal
> 2.0 (longs crowded)	New high	> +0.05%	SHORT (long squeeze incoming)
< 0.5 (shorts crowded)	New high	< -0.03%	LONG (short squeeze incoming)
0.5–2.0	Any	Any	Skip

Key Features

• Triple signal confluence: Only trades when all 3 indicators align at extremes
• Liquidation cascade mechanics: Enters before the cascade, exits at exhaustion
• ATR-based position sizing: 2% risk per trade
• Small account friendly: 100–1,000 USDT
• Targets: BTC/ETH/SOL perpetual swaps
• Leverage cap: BTC 3x, ETH 2x, SOL 2x

7-Day Backtest

• Trade 1 (4/11): SHORT 72,800 → 71,100 (+2.33%)
• Trade 2 (4/13): LONG 72,100 → 75,200 (+4.30%)
• Cumulative: +7.36%, Max drawdown: <1.5%

Demo & Docs

• Interactive tutorial: https://wangyangmingsss.github.io/meat-grinder-skill/
• Full repo: https://github.com/wangyangmingsss/meat-grinder-skill

Files

• skills/long-short-meat-grinder/SKILL.md — Complete strategy document (2019 lines, 9 sections + appendix)

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