feat: add version feature reporting (#2548)

tests/test_cli_version.py

@@ -1,5 +1,6 @@
-"""Tests for the --version CLI flag."""
+"""Tests for CLI version reporting."""
 
+import json
 from unittest.mock import patch
 
 from typer.testing import CliRunner
@@ -33,3 +34,46 @@ class TestVersionFlag:
             result = runner.invoke(app, ["--version", "init"])
         assert result.exit_code == 0
         assert "specify 0.7.2" in result.output
+
+
+class TestVersionCommand:
+    """Test the `specify version` subcommand."""
+
+    def test_version_features_text(self):
+        """specify version --features prints local capability flags."""
+        with patch("specify_cli.get_speckit_version", return_value="1.2.3"):
+            result = runner.invoke(app, ["version", "--features"])
+
+        assert result.exit_code == 0
+        assert "Spec Kit CLI: 1.2.3" in result.output
+        assert "Features:" in result.output
+        assert "- controlled multi install integrations: yes" in result.output
+        assert "- integration use command: yes" in result.output
+        assert "- self check command: yes" in result.output
+
+    def test_version_features_json(self):
+        """specify version --features --json prints machine-readable capabilities."""
+        with patch("specify_cli.get_speckit_version", return_value="1.2.3"):
+            result = runner.invoke(app, ["version", "--features", "--json"])
+
+        assert result.exit_code == 0
+        payload = json.loads(result.output)
+        assert payload == {
+            "version": "1.2.3",
+            "features": {
+                "controlled_multi_install_integrations": True,
+                "integration_use_command": True,
+                "multi_install_safe_registry_metadata": True,
+                "integration_upgrade_command": True,
+                "self_check_command": True,
+                "workflow_catalog": True,
+                "bundled_templates": True,
+            },
+        }
+
+    def test_version_json_requires_features(self):
+        """specify version --json is rejected until a JSON surface exists."""
+        result = runner.invoke(app, ["version", "--json"])
+
+        assert result.exit_code != 0
+        assert "--json requires --features" in result.output