Add TPSL support for MCP

[alexex10]

Changes

• Support TPSL placement via MCP
• Move placer order tool to a separate module

Demo

[Copilot]

Pull request overview

This PR extends the MCP (Model Context Protocol) private place_order tool to support attaching Take-Profit / Stop-Loss (TPSL) triggers, and refactors the MCP private tool registration by extracting the order placement logic into a dedicated module.

Changes:

• Added take_profit, stop_loss, and tp_sl_type inputs to the MCP place_order tool and wired them into create_order_object(...).
• Moved place_order tool implementation out of private_tools.py into a new place_order_tool.py.
• Centralized private REST client creation into x10/tools/mcp/utils.py and updated private MCP tools to use it.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 6 comments.

File	Description
x10/tools/mcp/utils.py	Adds a shared helper to build an authenticated REST client for private MCP tools.
x10/tools/mcp/private_tools.py	Refactors tool registration to delegate place_order to the new module and reuses the shared REST client factory.
x10/tools/mcp/place_order_tool.py	Introduces the TPSL-enabled place_order MCP tool and supporting orderbook-based pricing logic.

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