feat(KB-011): add accessibility attributes and focus styles for dependency links

packages/dashboard/app/components/TaskDetailModal.tsx

@@ -448,6 +448,14 @@ export function TaskDetailModal({
                     <span
                       className="detail-dep-link"
                       onClick={() => handleDepClick(dep)}
+                      onKeyDown={(e) => {
+                        if (e.key === "Enter" || e.key === " ") {
+                          e.preventDefault();
+                          handleDepClick(dep);
+                        }
+                      }}
+                      role="link"
+                      tabIndex={0}
                       title={`Click to view ${dep}`}
                     >
                       {dep}

packages/dashboard/app/styles.css

@@ -1121,12 +1121,19 @@ body {
   font-family: "SF Mono", Monaco, Consolas, monospace;
   cursor: pointer;
   transition: text-decoration var(--transition-fast);
+  text-decoration: none;
 }
 
 .detail-dep-link:hover {
   text-decoration: underline;
 }
 
+.detail-dep-link:focus {
+  outline: 1px solid var(--todo);
+  outline-offset: 2px;
+  border-radius: 2px;
+}
+
 /* === Step Progress === */
 .detail-step-progress {
   margin-top: 16px;