Implementing Batch Multi-Query Comparison Engine and CLI.
SESSION_EXECUTION_AUTHORIZATION granted by user prompt to develop data2dsl autonomously within the session deadline (do 13:00).
src/data2dsl_batch.py with BatchMultiQueryComparator and BatchComparisonReport.batch subcommand to src/data2dsl_cli.py.tests/test_batch_compare.py.pytest and project/governance-check.bat.application.BatchMultiQueryComparator and BatchComparisonReport in src/data2dsl_batch.py.batch subcommand in src/data2dsl_cli.py.tests/test_batch_compare.py (79/79 tests passing).pytest, ruff check, mypy, and project/governance-check.bat (GOV-PASS).