Update actor sheet

templates/character-subattributes.hbs

@@ -0,0 +1,48 @@
+<section class="character-subattributes tab" data-group="sheet" data-tab="subattributes">
+  <div class="subattributes-content">
+    <h2 class="section-header">
+      <i class="fa-solid fa-diagram-project"></i>
+      Sub-Attributes
+    </h2>
+    <p class="section-description">
+      Sub-attributes are derived from the average of two primary characteristics.
+    </p>
+
+    <div class="subattributes-list">
+      {{#each (entries config.SUB_ATTRIBUTES) as |entry|}}
+        {{#with entry.[1] as |subAttr|}}
+          <div class="subattribute-item">
+            <div class="subattribute-header">
+              <div class="subattribute-name">
+                <i class="fa-solid fa-circle-nodes"></i>
+                <span>{{localize subAttr.label}}</span>
+              </div>
+              <div class="subattribute-value">
+                <input
+                  type="text"
+                  value="{{lookup ../system.subAttributes subAttr.id 'value'}}"
+                  disabled
+                  readonly
+                />
+              </div>
+            </div>
+            <div class="subattribute-details">
+              <div class="subattribute-parents">
+                <span class="parent-label">From:</span>
+                {{#each subAttr.parents as |parentKey|}}
+                  <span class="parent-char">
+                    {{uppercase parentKey}}
+                    ({{lookup ../../system.characteristics parentKey 'value'}})
+                  </span>
+                {{/each}}
+              </div>
+              <div class="subattribute-description">
+                {{localize subAttr.description}}
+              </div>
+            </div>
+          </div>
+        {{/with}}
+      {{/each}}
+    </div>
+  </div>
+</section>