fix: standardize punctuation in tooltips and comments across multiple locales and code files

proxy.ts

@@ -37,7 +37,7 @@ export async function proxy(request: NextRequest) {
       pathname === "/api/health" ||
       pathname.startsWith("/_next/") ||
       pathname.startsWith("/branding/") ||
-      // Public read endpoint — serves wizard-uploaded branding assets so
+      // Public read endpoint - serves wizard-uploaded branding assets so
       // image previews work during the wizard. No auth on the GET route.
       pathname.startsWith("/api/admin/branding/") ||
       /\.[^/]+$/.test(pathname);