Implementing Markdown report formatting for CLI and Batch.
SESSION_EXECUTION_AUTHORIZATION granted by user prompt to develop data2dsl autonomously within the session deadline (do 13:00).
format_markdown_report in src/data2dsl_batch.py.--format argument to compare and batch in src/data2dsl_cli.py.tests/test_batch_compare.py.pytest and project/governance-check.bat.application.format_markdown_report in src/data2dsl_batch.py.--format flag to compare and batch subcommands in src/data2dsl_cli.py.tests/test_batch_compare.py (84/84 tests passing).pytest, ruff check, mypy, and project/governance-check.bat (GOV-PASS).