CAN-29: Fix docstring and type hints

[kyoung73]

No description provided.

[Copilot]

Pull request overview

This PR fixes type hints throughout the codebase by replacing incorrect parentheses-based type syntax with proper square bracket syntax, and updates docstrings to follow consistent NumPy-style formatting.

Changes:

• Fixed type hint syntax from Dict(str, List) to Dict[str, List] and similar corrections across multiple files
• Standardized docstrings to NumPy format with proper Parameters/Returns sections
• Corrected spelling errors in comments and docstrings
• Updated version number from 1.2.5 to 1.2.6

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
somadata/tools/adat_concatenation.py	Fixed return type hints from Dict(str, List) to Dict[str, List]
somadata/io/adat/file.py	Updated type hints and docstrings, corrected example usage from Adat.from_file to read_adat
somadata/data/lift.py	Added comprehensive docstrings, fixed spelling of "across", and corrected misplaced docstring
somadata/base/adat_meta_helpers.py	Fixed Union type hints throughout, corrected parameter names in examples, removed duplicate example, and fixed missing closing quote
somadata/base/adat_math_helpers.py	Enhanced docstring with Parameters/Returns sections and fixed spelling of "enter"
pyproject.toml	Bumped version from 1.2.5 to 1.2.6

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