SimTradeDesk v0.7.0

Added
Expanded API surface with broad PTrade‑compatible coverage to support future strategy integration.

Enhanced fundamentals data interface with more flexible fields, richer tables, and improved auto‑resolution.

Changed
Unified return types and parameter behaviors to align with PTrade conventions.

Adjusted several API signatures for consistency and clearer semantics.

Refined internal order‑processing flow to simplify limit‑price handling.

Removed
Deprecated legacy limit‑status logic and related helper methods.

Cleaned up outdated parameters and internal utilities no longer needed.

Other
Updated internationalization strings.

General compatibility and stability improvements.