Refactor transaction handling to use Beginner interface and improve context management

[ziflex]

This pull request refactors transaction management and context creation to improve type clarity and flexibility. The main changes replace generic interfaces with more precise types (Beginner, Transactor), update function signatures to use these types, and clarify documentation for better understanding of transaction lifecycle and context creation.

API and Type Refactoring:

• Updated function signatures in transaction.go (Transaction, TransactionWithResult, and transactionWithInternal) to accept a Beginner interface instead of a generic Database, improving type safety and flexibility.
• Changed the internal transaction creation logic to use beginner.BeginTx instead of db.BeginTx.

Context Creation Improvements:

• Refactored NewContextFrom in context.go to accept an input any parameter and use a type switch for more robust handling of ContextCreator, Database, and Transactor types.
• Updated documentation to clarify that context creation supports Transactor in addition to ContextCreator and Database.

Documentation and Comments:

• Improved and clarified comments in transaction.go to better explain transaction lifecycle, error handling, and usage examples.…

[Copilot]

Pull Request Overview

This pull request refactors transaction handling to improve type safety by replacing generic interfaces with more specific types (Beginner, Transactor) and enhances context creation with better type handling. The changes focus on making the API more explicit about transaction capabilities while maintaining backward compatibility.

• Replace Database interface with Beginner interface in transaction functions for better type precision
• Refactor NewContextFrom to use type switch pattern for more robust input handling
• Update documentation to be more concise and clearer about transaction lifecycle

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
transaction.go	Updated function signatures to accept Beginner interface and improved documentation clarity
context.go	Refactored NewContextFrom with type switch pattern and updated parameter documentation

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