feat: add per-provider timeout for usage panel to prevent blocking on slow responses

fix: update scheduler filesystem path from .kb to .fusion for task validation

style: clean up TaskDetailModal styling with reusable CSS classes

test: add comprehensive tests for file-service operations with mocked filesystem

packages/dashboard/app/__tests__/column-fixed-width.test.ts

@@ -35,9 +35,9 @@ describe("column fixed-width CSS", () => {
   });
 
   describe("desktop .board grid template", () => {
-    it("uses repeat(6, minmax(280px, 1fr)) for 6 columns", () => {
+    it("uses repeat(6, minmax(260px, 1fr)) for 6 columns", () => {
       expect(css).toContain(
-        "grid-template-columns: repeat(6, minmax(280px, 1fr))",
+        "grid-template-columns: repeat(6, minmax(260px, 1fr))",
       );
     });
   });