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)

tests/integration/test_integration.py

@@ -13,7 +13,7 @@ import os
 PROJECT_ROOT = Path('/home/lukas/Code/virt/phyllomeos')
 RECIPE_GENERATOR_DIR = PROJECT_ROOT / 'recipe-generator'
 RECIPE_DIR = PROJECT_ROOT / 'recipes'
-FRAGMENTS_DIR = PROJECT_ROOT / 'fragments'
+INGREDIENTS_DIR = PROJECT_ROOT / 'ingredients'
 CONTAINER_DIR = PROJECT_ROOT / 'tests' / 'container'
 
 
@@ -73,25 +73,25 @@ def test_container_build():
         pytest.fail(f"Container build failed: {result.stderr}")
 
 
-def test_fragments_structure():
-    """Verify fragment directory structure."""
+def test_ingredients_structure():
+    """Verify ingredient directory structure."""
     # Check core directories
-    assert (FRAGMENTS_DIR / 'core' / 'security').exists()
+    assert (INGREDIENTS_DIR / 'core' / 'security').exists()
     
     # Check desktop directories
-    assert (FRAGMENTS_DIR / 'desktop' / 'gnome').exists()
-    assert (FRAGMENTS_DIR / 'desktop' / 'labwc').exists()
+    assert (INGREDIENTS_DIR / 'desktop' / 'gnome').exists()
+    assert (INGREDIENTS_DIR / 'desktop' / 'labwc').exists()
     # vmm is now in virtual-machine-manager directory (under packages)
-    # assert (FRAGMENTS_DIR / 'desktop' / 'vmm').exists()
+    # assert (INGREDIENTS_DIR / 'desktop' / 'vmm').exists()
     
     # Check hypervisor directories
-    assert (FRAGMENTS_DIR / 'hypervisor' / 'base').exists()
-    assert (FRAGMENTS_DIR / 'hypervisor' / 'base').exists()
+    assert (INGREDIENTS_DIR / 'hypervisor' / 'base').exists()
+    assert (INGREDIENTS_DIR / 'hypervisor' / 'base').exists()
     
     # Check live directories
-    assert (FRAGMENTS_DIR / 'live' / 'core' / 'bootloader').exists()
-    assert (FRAGMENTS_DIR / 'live' / 'post').exists()
+    assert (INGREDIENTS_DIR / 'live' / 'core' / 'bootloader').exists()
+    assert (INGREDIENTS_DIR / 'live' / 'post').exists()
     
-    # Count fragments
-    fragment_count = len(list(FRAGMENTS_DIR.glob('**/*.ks')))
-    assert fragment_count >= 45, f"Expected at least 45 fragments, found {fragment_count}"
+    # Count ingredients
+    ingredient_count = len(list(INGREDIENTS_DIR.glob('**/*.ks')))
+    assert ingredient_count >= 45, f"Expected at least 45 ingredients, found {ingredient_count}"