chore: catch up Storybook preview, coverage, and story hygiene

Stories were throwing without AuthModal/CreateFlow providers, autodocs was a no-op, and several DS/create-flow screens had no stories.

stories/sections/QuoteBlock.stories.js

@@ -1,4 +1,5 @@
 import QuoteBlock from "../../app/components/sections/QuoteBlock";
+import { QUOTE_BLOCK_VARIANT_OPTIONS } from "../../lib/propNormalization";
 
 export default {
   title: "Components/Sections/QuoteBlock",
@@ -34,7 +35,7 @@ A responsive quote section component that displays inspirational governance quot
   argTypes: {
     variant: {
       control: { type: "select" },
-      options: ["compact", "standard", "extended", "statement"],
+      options: [...QUOTE_BLOCK_VARIANT_OPTIONS],
       description: "Layout variant for different use cases",
     },
     quote: {