Refactor: Oddělení business logiky + inline editor

- Nový modul scenar/core.py (491 řádků čisté logiky)
- Refactored cgi-bin/scenar.py (450 řádků CGI wrapper)
- Inline editor s JavaScript row managementem
- Custom exceptions (ScenarsError, ValidationError, TemplateError)
- Kompletní test coverage (10 testů, všechny ✅)
- Fixed Dockerfile (COPY scenar/, requirements.txt)
- Fixed requirements.txt (openpyxl==3.1.5)
- Fixed pytest.ini (pythonpath = .)
- Nové testy: test_http_inline.py, test_inline_builder.py
- HTTP testy označeny jako @pytest.mark.integration
- Build script: scripts/build_image.sh
- Dokumentace: COMPLETION.md

scripts/start_scenar.sh

@@ -5,6 +5,13 @@ IMAGE=${1:-scenar-creator:latest}
 NAME=${2:-scenar-creator}
 PORT=${3:-8080}
 
+# Ensure podman machine is running (macOS/Windows)
+if ! podman machine info >/dev/null 2>&1; then
+  echo "Starting podman machine..."
+  podman machine start || true
+  sleep 2
+fi
+
 echo "Starting container '$NAME' from image '$IMAGE' on port $PORT..."
-docker run -d --name "$NAME" -p "$PORT:8080" "$IMAGE"
+podman run -d --name "$NAME" -p "$PORT:8080" "$IMAGE"
 echo "Container started."