fix: resolve code scanning alerts (#67)

- Replace print() with sys.stderr.write() at module level in utils.py
- Remove unused Path import from vault.py

Resolves GitHub code scanning alerts #5, #6, #7

Author: NormB

scripts/devstack/utils.py

@@ -28,8 +28,8 @@
     from rich.console import Console
     from dotenv import dotenv_values
 except ImportError as e:
-    print(f"Error: Missing required dependency: {e}")
-    print("Install with: uv pip install -r scripts/requirements.txt")
+    sys.stderr.write(f"Error: Missing required dependency: {e}\n")
+    sys.stderr.write("Install with: uv pip install -r scripts/requirements.txt\n")
     sys.exit(1)
 
 # Rich console for output

scripts/devstack/vault.py

@@ -20,7 +20,6 @@
 
 from __future__ import annotations
 
-from pathlib import Path
 from typing import Optional
 
 from .utils import run_command, console, VAULT_CONFIG_DIR