v0.2.0 - Design Editor: templates, patterns, header/footer variations

Full Design Editor compatibility with custom block categories, page templates,
header/footer variations, and navigation styles. Both FSE (admin) and Twig
(frontend) sides kept in sync.

Co-Authored-By: Claude <noreply@anthropic.com>

theme.json

@@ -215,6 +215,59 @@
                 }
             ]
         },
+        "shadow": {
+            "defaultPresets": false,
+            "presets": [
+                {
+                    "name": "Small",
+                    "slug": "sm",
+                    "shadow": "0 0.125rem 0.25rem rgba(0, 0, 0, 0.075)"
+                },
+                {
+                    "name": "Regular",
+                    "slug": "md",
+                    "shadow": "0 0.5rem 1rem rgba(0, 0, 0, 0.15)"
+                },
+                {
+                    "name": "Large",
+                    "slug": "lg",
+                    "shadow": "0 1rem 3rem rgba(0, 0, 0, 0.175)"
+                }
+            ]
+        },
+        "dimensions": {
+            "aspectRatios": [
+                {
+                    "name": "16:9",
+                    "slug": "16-9",
+                    "ratio": "16/9"
+                },
+                {
+                    "name": "4:3",
+                    "slug": "4-3",
+                    "ratio": "4/3"
+                },
+                {
+                    "name": "1:1",
+                    "slug": "1-1",
+                    "ratio": "1/1"
+                },
+                {
+                    "name": "3:4",
+                    "slug": "3-4",
+                    "ratio": "3/4"
+                }
+            ]
+        },
+        "custom": {
+            "layout": {
+                "contentSize": "720px",
+                "wideSize": "1140px"
+            },
+            "spacing": {
+                "baseline": "1.5rem"
+            }
+        },
         "useRootPaddingAwareAlignments": true
     },
     "styles": {
@@ -450,6 +503,26 @@
             "name": "home-sidebar",
             "postTypes": ["page"],
             "title": "Blog with Sidebar"
+        },
+        {
+            "name": "page-landing",
+            "postTypes": ["page"],
+            "title": "Landing Page (No Header/Footer)"
+        },
+        {
+            "name": "page-full-width",
+            "postTypes": ["page"],
+            "title": "Full Width"
+        },
+        {
+            "name": "page-hero",
+            "postTypes": ["page"],
+            "title": "Page with Hero"
+        },
+        {
+            "name": "page-sidebar",
+            "postTypes": ["page", "post"],
+            "title": "Page with Sidebar"
         }
     ],
     "templateParts": [
@@ -458,11 +531,31 @@
             "name": "header",
             "title": "Header"
         },
+        {
+            "area": "header",
+            "name": "header-centered",
+            "title": "Header - Centered"
+        },
+        {
+            "area": "header",
+            "name": "header-transparent",
+            "title": "Header - Transparent"
+        },
         {
             "area": "footer",
             "name": "footer",
             "title": "Footer"
         },
+        {
+            "area": "footer",
+            "name": "footer-minimal",
+            "title": "Footer - Minimal"
+        },
+        {
+            "area": "footer",
+            "name": "footer-columns",
+            "title": "Footer - Multi-Column"
+        },
         {
             "area": "uncategorized",
             "name": "sidebar",