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/build_image.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+set -eu
+# Usage: ./scripts/build_image.sh [image_tag]
+IMAGE_TAG=${1:-scenar-creator:latest}
+
+# Ensure podman machine is running (macOS/Windows)
+if ! podman machine info >/dev/null 2>&1; then
+  echo "Starting podman machine..."
+  podman machine start || true
+  sleep 2
+fi
+
+REPO_ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+echo "Building image '$IMAGE_TAG' from $REPO_ROOT..."
+
+cd "$REPO_ROOT"
+podman build -t "$IMAGE_TAG" .
+
+echo "Image '$IMAGE_TAG' built successfully."
+echo "Start container with: ./scripts/start_scenar.sh $IMAGE_TAG"