fix(#240): use configured clarification model for pm

src/ouroboros/cli/commands/pm.py

@@ -19,6 +19,7 @@
 from ouroboros.bigbang.interview import InterviewRound
 from ouroboros.cli.formatters import console
 from ouroboros.cli.formatters.panels import print_error, print_info, print_success, print_warning
+from ouroboros.config import get_clarification_model
 from ouroboros.core.types import Result
 
 app = typer.Typer(
@@ -49,13 +50,13 @@ def pm_command(
         ),
     ] = None,
     model: Annotated[
-        str,
+        str | None,
         typer.Option(
             "--model",
             "-m",
             help="LLM model to use for the PM interview.",
         ),
-    ] = "anthropic/claude-sonnet-4-20250514",
+    ] = None,
     debug: Annotated[
         bool,
         typer.Option(
@@ -82,6 +83,9 @@ def pm_command(
     if ctx.invoked_subcommand is not None:
         return
 
+    if model is None:
+        model = get_clarification_model()
+
     console.print("\n[bold cyan]Ouroboros PM Generator[/] - Product Requirements Document\n")
 
     if resume:

tests/unit/cli/test_pm.py

@@ -0,0 +1,39 @@
+"""Tests for the PM CLI command."""
+
+from unittest.mock import patch
+
+from typer.testing import CliRunner
+
+from ouroboros.cli.main import app
+
+runner = CliRunner()
+
+
+@patch("ouroboros.cli.commands.pm._run_pm_interview")
+@patch("ouroboros.cli.commands.pm.get_clarification_model", return_value="default")
+def test_pm_uses_configured_clarification_model_when_option_omitted(
+    mock_get_clarification_model, mock_run_pm_interview
+) -> None:
+    """The bare `pm` command should resolve its model from config."""
+    result = runner.invoke(app, ["pm"], input="n\n")
+
+    assert result.exit_code == 0
+    mock_get_clarification_model.assert_called_once_with()
+    mock_run_pm_interview.assert_called_once()
+    assert mock_run_pm_interview.call_args.kwargs["model"] == "default"
+    assert "Model:" in result.output
+    assert "default" in result.output
+
+
+@patch("ouroboros.cli.commands.pm._run_pm_interview")
+@patch("ouroboros.cli.commands.pm.get_clarification_model")
+def test_pm_preserves_explicit_model_override(
+    mock_get_clarification_model, mock_run_pm_interview
+) -> None:
+    """An explicit --model value should bypass config lookup."""
+    result = runner.invoke(app, ["pm", "--model", "openai/gpt-5.2"], input="n\n")
+
+    assert result.exit_code == 0
+    mock_get_clarification_model.assert_not_called()
+    mock_run_pm_interview.assert_called_once()
+    assert mock_run_pm_interview.call_args.kwargs["model"] == "openai/gpt-5.2"