Refactor hackathon UI and enhance submission features

components/ai/AiAssumptionsBanner.tsx

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+'use client';
+
+import { useState } from 'react';
+import { Sparkles, X } from 'lucide-react';
+
+import { BoundlessButton } from '@/components/buttons';
+
+export interface AiAssumption {
+  section: string;
+  field: string;
+  note: string;
+}
+
+interface AiAssumptionsBannerProps {
+  assumptions: AiAssumption[];
+  /** Jump to the wizard step that owns an assumption so the organizer can edit. */
+  onReview?: (section: string) => void;
+  className?: string;
+}
+
+/**
+ * Shows the non-obvious choices an AI draft made ("Assumed a single winner…")
+ * so the organizer can see and correct every guess. Shared by the bounty and
+ * hackathon review steps. Dismissible; renders nothing when there's nothing to
+ * surface.
+ */
+export default function AiAssumptionsBanner({
+  assumptions,
+  onReview,
+  className,
+}: AiAssumptionsBannerProps) {
+  const [dismissed, setDismissed] = useState(false);
+  if (dismissed || !assumptions || assumptions.length === 0) return null;
+
+  return (
+    <div
+      className={[
+        'border-primary/30 from-primary/10 rounded-xl border bg-gradient-to-r to-transparent p-4',
+        className ?? '',
+      ].join(' ')}
+    >
+      <div className='flex items-start justify-between gap-3'>
+        <div className='flex items-start gap-3'>
+          <span className='bg-primary/15 text-primary mt-0.5 flex h-8 w-8 shrink-0 items-center justify-center rounded-lg'>
+            <Sparkles className='h-4 w-4' />
+          </span>
+          <div>
+            <p className='text-sm font-semibold text-white'>
+              A few things the AI assumed
+            </p>
+            <p className='text-xs text-gray-400'>
+              Review these guesses and correct anything that doesn&apos;t match
+              what you meant.
+            </p>
+          </div>
+        </div>
+        <button
+          type='button'
+          aria-label='Dismiss'
+          onClick={() => setDismissed(true)}
+          className='text-gray-500 transition-colors hover:text-gray-300'
+        >
+          <X className='h-4 w-4' />
+        </button>
+      </div>
+
+      <ul className='mt-3 space-y-2'>
+        {assumptions.map((a, i) => (
+          <li
+            key={`${a.section}-${a.field}-${i}`}
+            className='flex items-center justify-between gap-3 rounded-lg bg-black/20 px-3 py-2'
+          >
+            <span className='text-sm text-gray-300'>{a.note}</span>
+            {onReview && (
+              <BoundlessButton
+                type='button'
+                variant='outline'
+                size='sm'
+                onClick={() => onReview(a.section)}
+              >
+                Review
+              </BoundlessButton>
+            )}
+          </li>
+        ))}
+      </ul>
+    </div>
+  );
+}

components/ai/AiBriefPanel.tsx

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+'use client';
+
+import { useState } from 'react';
+import { ChevronDown, FileText } from 'lucide-react';
+
+interface AiBriefPanelProps {
+  /** The brief that produced the AI draft (may include folded-in clarify answers). */
+  brief?: string | null;
+  className?: string;
+}
+
+/**
+ * Collapsible "Your brief" panel shown beside an AI-generated draft on the review
+ * step, so the organizer can compare what they asked for against what the AI
+ * produced. Renders nothing for manually-created drafts. Shared by both wizards.
+ */
+export default function AiBriefPanel({ brief, className }: AiBriefPanelProps) {
+  const [open, setOpen] = useState(false);
+  if (!brief || brief.trim() === '') return null;
+
+  return (
+    <div
+      className={[
+        'rounded-xl border border-zinc-800 bg-zinc-900/40',
+        className ?? '',
+      ].join(' ')}
+    >
+      <button
+        type='button'
+        onClick={() => setOpen(o => !o)}
+        className='flex w-full items-center justify-between gap-2 px-4 py-3 text-left'
+        aria-expanded={open}
+      >
+        <span className='flex items-center gap-2 text-sm font-medium text-white'>
+          <FileText className='h-4 w-4 text-gray-400' />
+          Your brief
+        </span>
+        <ChevronDown
+          className={[
+            'h-4 w-4 text-gray-500 transition-transform',
+            open ? 'rotate-180' : '',
+          ].join(' ')}
+        />
+      </button>
+      {open && (
+        <div className='border-t border-zinc-800 px-4 py-3'>
+          <p className='text-sm whitespace-pre-wrap text-gray-300'>{brief}</p>
+        </div>
+      )}
+    </div>
+  );
+}

components/ai/AiClarifyQuestions.tsx

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+'use client';
+
+import { useState } from 'react';
+import { Sparkles } from 'lucide-react';
+
+import { BoundlessButton } from '@/components/buttons';
+
+export interface ClarifyQuestionOption {
+  value: string;
+  label: string;
+}
+export interface ClarifyQuestionItem {
+  id: string;
+  question: string;
+  options: ClarifyQuestionOption[];
+}
+
+/** A picked answer, ready to fold into the brief. */
+export interface ClarifyAnswer {
+  question: string;
+  label: string;
+}
+
+interface AiClarifyQuestionsProps {
+  questions: ClarifyQuestionItem[];
+  /** Continue to drafting with the chosen answers (skipped questions omitted). */
+  onSubmit: (answers: ClarifyAnswer[]) => void;
+  /** Draft now without answering (the AI picks sensible defaults). */
+  onSkip: () => void;
+  isSubmitting?: boolean;
+}
+
+/**
+ * Adaptive clarify step shared by the bounty + hackathon generate dialogs.
+ * Shows 1-3 chip questions when the brief was too thin; answers are folded back
+ * into the brief before drafting. Answering is optional — Skip drafts straight
+ * away.
+ */
+export default function AiClarifyQuestions({
+  questions,
+  onSubmit,
+  onSkip,
+  isSubmitting = false,
+}: AiClarifyQuestionsProps) {
+  const [selected, setSelected] = useState<Record<string, string>>({});
+
+  const handleContinue = () => {
+    const answers: ClarifyAnswer[] = questions
+      .filter(q => selected[q.id])
+      .map(q => ({
+        question: q.question,
+        label:
+          q.options.find(o => o.value === selected[q.id])?.label ??
+          selected[q.id],
+      }));
+    onSubmit(answers);
+  };
+
+  return (
+    <div className='space-y-4'>
+      <div className='flex items-start gap-3'>
+        <span className='bg-primary/15 text-primary mt-0.5 flex h-8 w-8 shrink-0 items-center justify-center rounded-lg'>
+          <Sparkles className='h-4 w-4' />
+        </span>
+        <p className='text-sm text-gray-300'>
+          A couple of quick questions so the draft matches what you have in
+          mind. Answer what you can — you can skip the rest.
+        </p>
+      </div>
+
+      <div className='space-y-4'>
+        {questions.map(q => (
+          <div key={q.id} className='space-y-2'>
+            <p className='text-sm font-medium text-white'>{q.question}</p>
+            <div className='flex flex-wrap gap-2'>
+              {q.options.map(o => {
+                const on = selected[q.id] === o.value;
+                return (
+                  <button
+                    key={o.value}
+                    type='button'
+                    onClick={() =>
+                      setSelected(prev =>
+                        prev[q.id] === o.value
+                          ? (() => {
+                              const next = { ...prev };
+                              delete next[q.id];
+                              return next;
+                            })()
+                          : { ...prev, [q.id]: o.value }
+                      )
+                    }
+                    className={[
+                      'rounded-full border px-3 py-1 text-xs transition-colors',
+                      on
+                        ? 'border-primary bg-primary/15 text-primary'
+                        : 'border-zinc-700 text-zinc-400 hover:border-zinc-600 hover:text-zinc-200',
+                    ].join(' ')}
+                  >
+                    {o.label}
+                  </button>
+                );
+              })}
+            </div>
+          </div>
+        ))}
+      </div>
+
+      <div className='flex justify-between gap-2 pt-2'>
+        <BoundlessButton
+          type='button'
+          variant='outline'
+          onClick={onSkip}
+          disabled={isSubmitting}
+        >
+          Skip
+        </BoundlessButton>
+        <BoundlessButton
+          type='button'
+          loading={isSubmitting}
+          icon={<Sparkles className='h-4 w-4' />}
+          iconPosition='left'
+          onClick={handleContinue}
+        >
+          Generate draft
+        </BoundlessButton>
+      </div>
+    </div>
+  );
+}

components/ai/AiExampleReference.tsx

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+'use client';
+
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from '@/components/ui/select';
+
+export interface ExampleItem {
+  id: string;
+  label: string;
+  /** The text fed to the model as a style reference when this item is picked. */
+  example: string;
+}
+
+interface AiExampleReferenceProps {
+  items: ExampleItem[];
+  /** Selected item id, or null for none. */
+  value: string | null;
+  onChange: (id: string | null) => void;
+  /** e.g. "bounty" | "hackathon". */
+  noun: string;
+}
+
+const NONE = '__none__';
+
+/**
+ * Optional "use a past one as a style reference" picker for the Generate
+ * dialogs. The chosen item's gist is passed to the model as `examples[]` so the
+ * draft mirrors the organizer's house style. Renders nothing when there's
+ * nothing to reference. Shared by both wizards.
+ */
+export default function AiExampleReference({
+  items,
+  value,
+  onChange,
+  noun,
+}: AiExampleReferenceProps) {
+  if (items.length === 0) return null;
+
+  return (
+    <div className='space-y-1.5'>
+      <p className='text-sm font-medium'>
+        Match a past {noun}{' '}
+        <span className='text-muted-foreground font-normal'>(optional)</span>
+      </p>
+      <Select
+        value={value ?? NONE}
+        onValueChange={v => onChange(v === NONE ? null : v)}
+      >
+        <SelectTrigger className='h-10 rounded-lg border-zinc-800 bg-zinc-900/50 text-white'>
+          <SelectValue placeholder={`Pick a past ${noun} to match its style`} />
+        </SelectTrigger>
+        <SelectContent className='border-zinc-800 bg-zinc-950 text-white'>
+          <SelectItem value={NONE}>None</SelectItem>
+          {items.map(item => (
+            <SelectItem key={item.id} value={item.id}>
+              {item.label}
+            </SelectItem>
+          ))}
+        </SelectContent>
+      </Select>
+      <p className='text-muted-foreground text-xs'>
+        We&apos;ll use its style as a reference — your brief still drives the
+        content.
+      </p>
+    </div>
+  );
+}