feat(videos): add OneCommand hero composition with terminal-to-app morph

Restore missing landing page compositions (FloatingTools, BrandGradient,
FormatUniverse) lost during branch merge, and fix the @/ path alias in
remotion webpack config to support all composition imports.

apps/videos/remotion.config.ts

@@ -1,6 +1,19 @@
+import path from "node:path";
 import { Config } from "@remotion/cli/config";
 import { enableTailwind } from "@remotion/tailwind";
 
 Config.setVideoImageFormat("jpeg");
 Config.setOverwriteOutput(true);
-Config.overrideWebpackConfig((config) => enableTailwind(config));
+Config.overrideWebpackConfig((config) => {
+  const withTailwind = enableTailwind(config);
+  return {
+    ...withTailwind,
+    resolve: {
+      ...withTailwind.resolve,
+      alias: {
+        ...withTailwind.resolve?.alias,
+        "@": path.resolve("./src"),
+      },
+    },
+  };
+});