feat(versioning): show runtime version and git hash in app footers

apps/web/src/lib/build-info.ts

@@ -0,0 +1,21 @@
+const FALLBACK_VERSION = "0.0.1-dev"
+const FALLBACK_SHA = "local"
+
+function shortenSha(input: string): string {
+  const value = input.trim()
+  if (!value) {
+    return FALLBACK_SHA
+  }
+
+  return value.slice(0, 7)
+}
+
+export function getBuildInfo() {
+  const version = process.env.NEXT_PUBLIC_APP_VERSION?.trim() || FALLBACK_VERSION
+  const sha = shortenSha(process.env.NEXT_PUBLIC_GIT_SHA ?? "")
+
+  return {
+    version,
+    sha,
+  }
+}