refactor: rename fragments directory to ingredients and update all references

- Directory rename: fragments/ → ingredients/ (54 .ks files)
- Updated all Python scripts:
  * tests/integration/conftest.py - fixture renames
  * tests/integration/test_integration.py - constant and path updates
  * tests/test_recipe_generator.py - updated test assertions
  * recipe-generator/validators.py - updated comments and error messages
  * recipe-generator/recipe_generator.py - updated comment
- Updated all YAML files:
  * recipe-generator/recipe_templates.yaml - 66 path references
  * .gitea/workflows/validate-fragments.yaml → validate-ingredients.yaml
  * .gitea/workflows/test-generation.yaml - path patterns
- Updated scripts:
  * bin/ksflatten-relative - updated path detection
- Updated test file:
  * tests/integration/test_fragments.py → test_ingredients.py
- Updated documentation:
  * DEVELOPMENT.md - simplified references
  * DEVELOPMENT_QUICK.md - updated examples
  * tests/container/README.md - test references
- Regenerated all recipes (16 files) with ingredient paths
- Updated test fixtures (7 files)
- All integration tests pass (5/5)
- All unit tests pass (29/31 - 2 pre-existing failures unrelated)

ingredients/hypervisor/base/packages.ks

@@ -0,0 +1,30 @@
+#            __          ____                        ____  _____
+#     ____  / /_  __  __/ / /___  ____ ___  ___     / __ \/ ___/
+#    / __ \/ __ \/ / / / / / __ \/ __ `__ \/ _ \   / / / /\__ \
+#   / /_/ / / / / /_/ / / / /_/ / / / / / /  __/  / /_/ /___/ /
+#  / .___/_/ /_/\__, /_/_/\____/_/ /_/ /_/\___/   \____//____/
+# /_/          /____/
+
+# Virtualization packages
+
+%packages --exclude-weakdeps # Beginning of the packages section. Does not include weak dependencies.
+
+qemu-kvm # QEMU metapackage for KVM support
+libvirt # Library providing a simple virtualization API
+libvirt-client # Client side utilities of the libvirt library
+libvirt-client-qemu # Additional client side utilities for QEMU. Used to interact with some QEMU specific features of libvirt.
+libvirt-daemon # Server side daemon and supporting files for libvirt library
+libvirt-daemon-common # Miscellaneous files and utilities used by other libvirt daemons
+libvirt-daemon-config-network # Default configuration files for the libvirtd daemon. Provides NAT based networking
+libvirt-daemon-driver-interface # Interface driver plugin for the libvirtd daemon
+libvirt-daemon-driver-network # The network driver plugin for the libvirtd daemon, providing an implementation of the virtual network APIs using the Linux bridge capabilities.
+libvirt-daemon-driver-qemu # QEMU driver plugin for the libvirtd daemon
+libvirt-daemon-kvm # Server side daemon & driver required to run KVM guests
+libvirt-daemon-log # Server side daemon for managing logs
+libvirt-daemon-qemu # Server side daemon and driver required to manage the virtualization capabilities of the QEMU TCG emulators
+libvirt-nss # Libvirt plugin for Name Service Switch
+libvirt-dbus # libvirt D-Bus API binding
+libvirt-daemon-driver-ch # Cloud-Hypervisor driver plugin for libvirtd daemon
+virt-install # Utilities for installing virtual machines
+
+%end # End of the packages section