fix: resolve biome lint and formatting errors

- Enable Tailwind CSS directives in biome config
- Update biome schema to 2.4.6
- Fix useless fragment in memory-graph.tsx
- Apply formatting fixes

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/web/components/memories-grid.tsx

@@ -374,7 +374,9 @@ export function MemoriesGrid({
 						>
 							All
 							{facetsData?.total !== undefined && (
-								<span className="ml-1 text-[#737373]">({facetsData.total})</span>
+								<span className="ml-1 text-[#737373]">
+									({facetsData.total})
+								</span>
 							)}
 						</Button>
 						{facetsData?.facets.map((facet: DocumentFacet) => (
@@ -430,7 +432,9 @@ export function MemoriesGrid({
 										</button>
 									</>
 								) : (
-									<p className={cn(dmSansClassName(), "text-xs text-[#737373]")}>
+									<p
+										className={cn(dmSansClassName(), "text-xs text-[#737373]")}
+									>
 										Select one or more documents
 									</p>
 								)}

biome.json

@@ -1,5 +1,10 @@
 {
-	"$schema": "https://biomejs.dev/schemas/2.2.2/schema.json",
+	"$schema": "https://biomejs.dev/schemas/2.4.6/schema.json",
+	"css": {
+		"parser": {
+			"tailwindDirectives": true
+		}
+	},
 	"assist": {
 		"actions": {
 			"source": {

packages/tools/test/chatapp/app/globals.css

@@ -6,10 +6,10 @@
 }
 
 @theme inline {
-  --color-background: var(--background);
-  --color-foreground: var(--foreground);
-  --font-sans: var(--font-geist-sans);
-  --font-mono: var(--font-geist-mono);
+	--color-background: var(--background);
+	--color-foreground: var(--foreground);
+	--font-sans: var(--font-geist-sans);
+	--font-mono: var(--font-geist-mono);
 }
 
 @media (prefers-color-scheme: dark) {

packages/ui/memory-graph/memory-graph.tsx

@@ -409,9 +409,9 @@ export const MemoryGraph = ({
 			</AnimatePresence>
 
 			{/* Show welcome screen when no memories exist */}
-			{!isLoading && (!data || !nodes.some((n) => n.type === "document")) && (
-				<>{children}</>
-			)}
+			{!isLoading &&
+				(!data || !nodes.some((n) => n.type === "document")) &&
+				children}
 
 			{/* Graph container */}
 			<div