fix: declare cachetools as a runtime dependency (#199)

Author: httpdss

.github/workflows/test-script.yaml

@@ -11,6 +11,29 @@ on:
 # Removed hardcoded test API key - use secrets instead if needed
 
 jobs:
+  packaging-smoke:
+    name: Clean wheel install smoke test
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v7
+
+    - name: Set up Python 3.10
+      uses: actions/setup-python@v6
+      with:
+        python-version: '3.10'
+
+    - name: Build wheel and smoke-test a fresh install
+      run: |
+        set -euo pipefail
+        python -m pip install --upgrade pip build
+        python -m build --wheel
+        python -m venv /tmp/structkit-smoke
+        /tmp/structkit-smoke/bin/pip install --upgrade pip
+        /tmp/structkit-smoke/bin/pip install dist/*.whl
+        /tmp/structkit-smoke/bin/structkit --help
+        /tmp/structkit-smoke/bin/structkit generate --help
+
   build:
 
     runs-on: ubuntu-latest

pyproject.toml

@@ -53,6 +53,7 @@ dependencies = [
     "PyGithub>=1.58.0",
     "shtab>=1.6.0",
     "colorlog>=6.7.0",
+    "cachetools>=5.0",
     "pydantic-ai-slim[openai,google,anthropic]>=0.1.0",
     "fastmcp>=2.0.0",
 ]

requirements.txt

@@ -7,6 +7,7 @@ jinja2>=3.1.0
 PyGithub>=1.58.0
 shtab>=1.6.0
 colorlog>=6.7.0
+cachetools>=5.0
 pydantic-ai-slim[openai,google,anthropic]>=0.1.0
 fastmcp>=2.0.0