feat: add support for displaying legacy pre-parts array messages

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "submodules/chat"]
+	path = submodules/chat
+	url = https://github.com/lightfastai/chat.git

apps/www/next.config.ts

@@ -2,58 +2,58 @@ import { NextConfig } from "next";
 
 import "~/env";
 
+import { mergeNextConfig } from "@vendor/next/merge-config";
 import {
-	config as vendorConfig,
-	withBetterStack,
-	withSentry,
+  config as vendorConfig,
+  withBetterStack,
+  withSentry,
 } from "@vendor/next/next-config-builder";
-import { mergeNextConfig } from "@vendor/next/merge-config";
 
 import { env } from "~/env";
 
 let config: NextConfig = withBetterStack(
-	mergeNextConfig(vendorConfig, {
-		reactStrictMode: true,
-
-		/** Enables hot reloading for local packages without a build step */
-		transpilePackages: [
-			"@repo/ui",
-			"@vendor/security",
-			"@vendor/analytics",
-			"@vendor/email",
-			"@vendor/clerk",
-			"@vendor/inngest",
-			"@vendor/observability",
-			"@vendor/next",
-			"@vendor/upstash",
-			"@repo/lightfast-config",
-			"@repo/lightfast-email",
-			"@repo/lightfast-react",
-			"@repo/lib",
-		],
-
-		/** We already do linting and typechecking as separate tasks in CI */
-		// eslint: { ignoreDuringBuilds: true },
-		// typescript: { ignoreBuildErrors: true },
-
-		// Add automatic static optimization where possible
-		experimental: {
-			// For Next.js 15.3+
-			optimizeCss: true,
-			optimizePackageImports: [
-				"@repo/ui",
-				"jotai",
-				"lucide-react",
-				"react-confetti",
-			],
-			// Faster navigation for production
-			// ppr: true,
-		},
-	})
+  mergeNextConfig(vendorConfig, {
+    reactStrictMode: true,
+
+    /** Enables hot reloading for local packages without a build step */
+    transpilePackages: [
+      "@repo/ui",
+      "@vendor/security",
+      "@vendor/analytics",
+      "@vendor/email",
+      "@vendor/clerk",
+      "@vendor/inngest",
+      "@vendor/observability",
+      "@vendor/next",
+      "@vendor/upstash",
+      "@repo/lightfast-config",
+      "@repo/lightfast-email",
+      "@repo/lightfast-react",
+      "@repo/lib",
+    ],
+
+    /** We already do linting and typechecking as separate tasks in CI */
+    // eslint: { ignoreDuringBuilds: true },
+    // typescript: { ignoreBuildErrors: true },
+
+    // Add automatic static optimization where possible
+    experimental: {
+      // For Next.js 15.3+
+      optimizeCss: true,
+      optimizePackageImports: [
+        "@repo/ui",
+        "jotai",
+        "lucide-react",
+        "react-confetti",
+      ],
+      // Faster navigation for production
+      // ppr: true,
+    },
+  }),
 );
 
 if (env.VERCEL) {
-	config = withSentry(config);
+  config = withSentry(config);
 }
 
 export default config;

apps/www/src/app/(app)/(landing)/page.tsx

@@ -4,42 +4,42 @@ import { ZapIcon } from "lucide-react";
 
 import { siteConfig } from "@repo/lightfast-config";
 import { Icons } from "@repo/ui/components/icons";
-import { Button } from "@repo/ui/components/ui/button";
 import { LightfastCustomGridBackground } from "@repo/ui/components/lightfast-custom-grid-background";
+import { Button } from "@repo/ui/components/ui/button";
 
 export default function HomePage() {
-	return (
-		<LightfastCustomGridBackground.Root
-			marginVertical={`15vh`}
-			marginHorizontal={`20vw`}
-			marginVerticalMobile={`20vh`}
-			marginHorizontalMobile={`20vw`}
-		>
-			<LightfastCustomGridBackground.Container className="p-4 sm:p-8">
-				<div className="relative h-full w-full">
-					<div className="absolute top-0 right-0 left-0">
-						<p className="text-foreground max-w-2xl text-2xl font-bold sm:text-3xl lg:text-4xl">
-							Crafting tomorrow's AI backbone with open-source infrastructure.
-						</p>
-					</div>
+  return (
+    <LightfastCustomGridBackground.Root
+      marginVertical={`15vh`}
+      marginHorizontal={`20vw`}
+      marginVerticalMobile={`20vh`}
+      marginHorizontalMobile={`20vw`}
+    >
+      <LightfastCustomGridBackground.Container className="p-4 sm:p-8">
+        <div className="relative h-full w-full">
+          <div className="absolute top-0 right-0 left-0">
+            <p className="text-foreground max-w-2xl text-2xl font-bold sm:text-3xl lg:text-4xl">
+              Crafting tomorrow's AI backbone with open-source infrastructure.
+            </p>
+          </div>
 
-					<div className="absolute bottom-0 left-0">
-						<Icons.logoShort className="text-primary w-10 h-6" />
-					</div>
+          <div className="absolute bottom-0 left-0">
+            <Icons.logoShort className="text-primary h-6 w-10" />
+          </div>
 
-					<div className="absolute right-0 bottom-0">
-						<Button asChild variant="outline">
-							<Link
-								className="text-foreground flex items-center"
-								href={siteConfig.links.chat.href}
-							>
-								<ZapIcon className="mr-1 h-4 w-4" />
-								Get Started
-							</Link>
-						</Button>
-					</div>
-				</div>
-			</LightfastCustomGridBackground.Container>
-		</LightfastCustomGridBackground.Root>
-	);
+          <div className="absolute right-0 bottom-0">
+            <Button asChild variant="outline">
+              <Link
+                className="text-foreground flex items-center"
+                href={siteConfig.links.chat.href}
+              >
+                <ZapIcon className="mr-1 h-4 w-4" />
+                Get Started
+              </Link>
+            </Button>
+          </div>
+        </div>
+      </LightfastCustomGridBackground.Container>
+    </LightfastCustomGridBackground.Root>
+  );
 }

apps/www/src/app/(health)/api/health/route.ts

@@ -1,16 +1,17 @@
 import type { NextRequest } from "next/server";
 import { NextResponse } from "next/server";
+
 import { env } from "~/env";
 
 export const runtime = "edge";
 
 /**
  * Health check endpoint for monitoring services like BetterStack.
- * 
+ *
  * Authentication:
  * - If HEALTH_CHECK_AUTH_TOKEN is set, requires Bearer token authentication
  * - If not set, endpoint is public (for development/testing)
- * 
+ *
  * BetterStack Configuration:
  * 1. Set HTTP method: GET
  * 2. Add header: Authorization: Bearer <your-token>
@@ -19,63 +20,58 @@ export const runtime = "edge";
 export function GET(request: NextRequest) {
   // Check if authentication is configured
   const authToken = env.HEALTH_CHECK_AUTH_TOKEN;
-  
+
   if (authToken) {
     // Extract bearer token from Authorization header
     const authHeader = request.headers.get("authorization");
-    
+
     if (!authHeader) {
       return NextResponse.json(
         { error: "Authorization required" },
-        { status: 401 }
+        { status: 401 },
       );
     }
-    
+
     // Check for Bearer token format
     const bearerRegex = /^Bearer\s+(.+)$/i;
     const bearerMatch = bearerRegex.exec(authHeader);
     if (!bearerMatch) {
       return NextResponse.json(
         { error: "Invalid authorization format" },
-        { status: 401 }
+        { status: 401 },
       );
     }
-    
+
     const providedToken = bearerMatch[1];
-    
+
     // Constant-time comparison to prevent timing attacks
     const encoder = new TextEncoder();
     const expectedBytes = encoder.encode(authToken);
     const providedBytes = encoder.encode(providedToken);
-    
+
     if (expectedBytes.length !== providedBytes.length) {
-      return NextResponse.json(
-        { error: "Unauthorized" },
-        { status: 401 }
-      );
+      return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
     }
-    
+
     let valid = true;
     for (let i = 0; i < expectedBytes.length; i++) {
       if (expectedBytes[i] !== providedBytes[i]) {
         valid = false;
       }
     }
-    
+
     if (!valid) {
-      return NextResponse.json(
-        { error: "Unauthorized" },
-        { status: 401 }
-      );
+      return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
     }
   }
-  
+
   // Log monitoring access for observability (optional)
   const userAgent = request.headers.get("user-agent") ?? "unknown";
-  const isLikelyBetterStack = userAgent.toLowerCase().includes("betterstack") || 
-                              userAgent.toLowerCase().includes("uptime") ||
-                              userAgent.toLowerCase().includes("monitor");
-
+  const isLikelyBetterStack =
+    userAgent.toLowerCase().includes("betterstack") ||
+    userAgent.toLowerCase().includes("uptime") ||
+    userAgent.toLowerCase().includes("monitor");
+
   // Return health status
   const response = NextResponse.json(
     {
@@ -100,12 +96,12 @@ export function GET(request: NextRequest) {
       status: 200,
     },
   );
-  
+
   // Prevent caching of health check responses
   response.headers.set("Cache-Control", "no-store, no-cache, must-revalidate");
   response.headers.set("Pragma", "no-cache");
   response.headers.set("Expires", "0");
-  
+
   return response;
 }
 
@@ -116,7 +112,7 @@ export function OPTIONS() {
   return new Response(null, {
     status: 204,
     headers: {
-      "Allow": "GET, OPTIONS",
+      Allow: "GET, OPTIONS",
       "Cache-Control": "no-store",
     },
   });

apps/www/src/app/global-error.tsx

@@ -7,10 +7,13 @@ import { captureException } from "@sentry/nextjs";
 import { GeistMono } from "geist/font/mono";
 import { GeistSans } from "geist/font/sans";
 
+import { LightfastCustomGridBackground } from "@repo/ui/components/lightfast-custom-grid-background";
+import {
+  ErrorCode,
+  LightfastErrorPage,
+} from "@repo/ui/components/lightfast-error-page";
 import { Button } from "@repo/ui/components/ui/button";
 import { cn } from "@repo/ui/lib/utils";
-import { LightfastCustomGridBackground } from "@repo/ui/components/lightfast-custom-grid-background";
-import { LightfastErrorPage, ErrorCode } from "@repo/ui/components/lightfast-error-page";
 
 interface GlobalErrorProperties {
   readonly error: NextError & { digest?: string };