feat(KB-048): add collapsible list sections to dashboard

- Add section expansion state management with localStorage persistence
- Update section headers with chevron toggle controls
- Implement conditional task row rendering based on section state
- Add Expand All / Collapse All toolbar controls
- Add CSS styles for chevron rotation animation and section headers
- Add comprehensive tests for collapsible section behavior

packages/cli/vitest.config.ts

@@ -3,5 +3,12 @@ import { defineConfig } from "vitest/config";
 export default defineConfig({
   test: {
     include: ["src/**/*.test.ts"],
+    coverage: {
+      enabled: false,
+      reporter: ["text", "html", "json"],
+      reportsDirectory: "./coverage",
+      include: ["src/**/*.ts"],
+      exclude: ["**/*.test.ts", "**/*.d.ts", "dist/**"],
+    },
   },
 });