Release 0.4.0: auto-set RFC owner = proposer

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

frontend/src/components/ProposeModal.jsx

@@ -20,7 +20,7 @@ function slugify(title) {
     .replace(/^-+|-+$/g, '')
 }
 
-export default function ProposeModal({ onClose, onSubmitted }) {
+export default function ProposeModal({ viewer, onClose, onSubmitted }) {
   const [title, setTitle] = useState('')
   const [slug, setSlug] = useState('')
   const [slugEdited, setSlugEdited] = useState(false)
@@ -131,6 +131,12 @@ export default function ProposeModal({ onClose, onSubmitted }) {
               </div>
             )}
 
+            {viewer && (
+              <p className="field-help" style={{ marginTop: 14, marginBottom: 0 }}>
+                Owner: <strong>{viewer.display_name || viewer.gitea_login}</strong> — you'll be the first owner of this super-draft. Additional owners can claim later (§13.1).
+              </p>
+            )}
+
             {error && <p className="field-error">{error}</p>}
           </div>
           <div className="modal-actions">