fix: resolve CI linting and type errors

.gitignore

@@ -1 +1,42 @@
-/app/.gitignore
+# Project specific
+prompts/
+!prompts/.gitkeep
+configs/
+!configs/promptforge.yaml
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+.env
+.env.local
+config.yaml
+.history/
+*.log
+.pytest_cache/
+.coverage
+htmlcov/
+.venv/
+venv/
+ENV/
+.idea/
+.vscode/
+*.swp
+*.swo
+*~
+.DS_Store