feat(cli): add solve subcommand with profile + per-flag overrides + JSONL audit

tests/test_cli.py

@@ -0,0 +1,19 @@
+from typer.testing import CliRunner
+from markovian_rsa_mlx.cli import app
+
+runner = CliRunner()
+
+
+def test_version_command_prints_version():
+    result = runner.invoke(app, ["version"])
+    assert result.exit_code == 0
+    assert "0.1.0" in result.stdout
+
+
+def test_solve_help_shows_required_flags():
+    result = runner.invoke(app, ["solve", "--help"])
+    assert result.exit_code == 0
+    assert "--model" in result.stdout
+    assert "--rounds" in result.stdout
+    assert "--parallel" in result.stdout
+    assert "--audit" in result.stdout