Perf/pre commit optimization

[HC-ONLINE]

Description

This pull request optimizes the pre-commit configuration by introducing a multi-stage architecture to improve developer experience and security posture. The changes include:

• Restructured pytest hook to execute only on pre-push stage instead of pre-commit, reducing local commit friction
• Enhanced security validations with additional hooks for YAML syntax checking, TOML validation, and merge conflict detection
• Simplified pyright configuration by removing duplicate dependency declarations and using system Python runtime, improving maintainability

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update

Checklist

• I have followed the style guidelines of this project (Ruff & Pyright)
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• I have updated the documentation accordingly