feat(FN-4183): align detail source header in TaskDetailModal

Fixed the chevron/source header top alignment in TaskDetailModal with a CSS adjustment, backed by a new CSS assertion test. Includes a changeset for a patch release of `@runfusion/fusion`.

Fusion-Task-Id: FN-4183

.changeset/fn-4183-github-tracking-chevron-alignment.md

@@ -0,0 +1,5 @@
+---
+"@runfusion/fusion": patch
+---
+
+Fix GitHub tracking disclosure icon alignment in task detail — chevron now stays on the first row when summary wraps.

packages/dashboard/app/components/TaskDetailModal.css

@@ -397,7 +397,7 @@
 
 .detail-source-header {
   display: flex;
-  align-items: center;
+  align-items: flex-start;
   justify-content: space-between;
   gap: var(--space-xs);
 }
@@ -438,7 +438,7 @@
 
 .detail-github-tracking-enable {
   margin-left: auto;
-  align-self: center;
+  align-self: flex-start;
   padding-block: calc(var(--space-xs) / 2);
   padding-inline: var(--space-sm);
   line-height: 1.2;
@@ -1588,7 +1588,6 @@
   }
 
   .detail-source-header {
-    align-items: flex-start;
     flex-wrap: wrap;
   }
 

packages/dashboard/app/components/__tests__/TaskDetailModal.css.test.ts

@@ -0,0 +1,10 @@
+import { describe, expect, it } from "vitest";
+import { loadAllAppCssBaseOnly } from "../../test/cssFixture";
+
+describe("TaskDetailModal CSS contract", () => {
+  it("FN-4183 keeps detail source headers top-aligned so the disclosure toggle stays on the first row", async () => {
+    const css = await loadAllAppCssBaseOnly();
+
+    expect(css).toMatch(/\.detail-source-header\s*\{[^}]*align-items\s*:\s*flex-start\s*;/);
+  });
+});