fix : close command fails to execute on Hyperliquid

[tae9898]

##Problem

minara perps close returns success but positions remain open on Hyperliquid.

##Cause

Close order uses trigger (take-profit) type which Hyperliquid doesn't execute:
t: { trigger: { triggerPx: String(marketPx), tpsl: 'tp', isMarket: true } }

Fix

Changed to limit IOC (Immediate or Cancel) in src/commands/perps.ts (lines 944, 1055):
t: { limit: { tif: 'Ioc' } }

This fills immediately at market price

[gemini-code-assist]

Code Review

This pull request bumps the package version to 0.4.7 in package-lock.json and updates the order parameters in src/commands/perps.ts for the closeCmd command. Specifically, it replaces the trigger-based order type with a limit order using an Immediate-or-Cancel (IOC) time-in-force option. There are no review comments to address, and I have no further feedback to provide.

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