fix: Prefer runtime version over package manager after upgrade

tests/core/test_autoupdate.py

@@ -0,0 +1,23 @@
+from unittest.mock import Mock
+
+from titan_cli.utils import autoupdate
+
+
+def test_update_core_prefers_runtime_version_after_pipx_upgrade(mocker):
+    """Report the version from the updated runtime when pipx upgrade succeeds."""
+    mock_run = mocker.patch("titan_cli.utils.autoupdate.subprocess.run")
+    mock_run.return_value = Mock(returncode=0, stdout="", stderr="")
+    mocker.patch(
+        "titan_cli.utils.autoupdate._get_installed_version_runtime",
+        return_value="0.3.0",
+    )
+    mocker.patch(
+        "titan_cli.utils.autoupdate._get_installed_version_pipx",
+        return_value="0.2.0",
+    )
+
+    result = autoupdate.update_core()
+
+    assert result["success"] is True
+    assert result["method"] == "pipx"
+    assert result["installed_version"] == "0.3.0"

titan_cli/utils/autoupdate.py

@@ -136,7 +136,7 @@ def update_core() -> Dict[str, any]:
         )
 
         if proc.returncode == 0:
-            installed_version = _get_installed_version_pipx()
+            installed_version = _get_installed_version_runtime() or _get_installed_version_pipx()
             if installed_version:
                 result["success"] = True
                 result["method"] = "pipx"
@@ -161,7 +161,7 @@ def update_core() -> Dict[str, any]:
         )
 
         if proc.returncode == 0:
-            installed_version = _get_installed_version_pip()
+            installed_version = _get_installed_version_runtime() or _get_installed_version_pip()
             if installed_version:
                 result["success"] = True
                 result["method"] = "pip"
@@ -227,6 +227,26 @@ def update_plugins() -> Dict[str, any]:
         return result
 
 
+def _get_installed_version_runtime() -> Optional[str]:
+    """Get installed version from the current Python runtime."""
+    try:
+        proc = subprocess.run(
+            [
+                sys.executable,
+                "-c",
+                "from importlib.metadata import version; print(version('titan-cli'))",
+            ],
+            capture_output=True,
+            text=True,
+            timeout=10,
+        )
+        if proc.returncode == 0:
+            return proc.stdout.strip() or None
+    except Exception:
+        pass
+    return None
+
+
 def _get_installed_version_pipx() -> Optional[str]:
     """Get installed version of titan-cli from pipx."""
     try: