feat: add short description for team carousel cards

- Add shortDescription field to TeamMember type
- DB migration #11: add short_description column to team_members
- Admin editor: separate "Краткое описание (для карточки)" and "Полное описание"
- Carousel shows shortDescription with line-clamp-3, falls back to description
- Full description shown in "Подробнее" profile view

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/app/admin/team/[id]/page.tsx

@@ -20,6 +20,7 @@ interface MemberForm {
   role: string;
   image: string;
   instagram: string;
+  shortDescription: string;
   description: string;
   experience: string[];
   victories: VictoryItem[];
@@ -36,6 +37,7 @@ export default function TeamMemberEditorPage() {
     role: "",
     image: "/images/team/placeholder.webp",
     instagram: "",
+    shortDescription: "",
     description: "",
     experience: [],
     victories: [],
@@ -116,6 +118,7 @@ export default function TeamMemberEditorPage() {
           role: member.role,
           image: member.image,
           instagram: username,
+          shortDescription: member.shortDescription || "",
           description: member.description || "",
           experience: member.experience || [],
           victories: member.victories || [],
@@ -302,7 +305,14 @@ export default function TeamMemberEditorPage() {
             )}
           </div>
           <TextareaField
-            label="Описание"
+            label="Краткое описание (для карточки)"
+            value={data.shortDescription}
+            onChange={(v) => setData({ ...data, shortDescription: v })}
+            rows={2}
+            placeholder="1-2 предложения для карусели"
+          />
+          <TextareaField
+            label="Полное описание (для страницы тренера)"
             value={data.description}
             onChange={(v) => setData({ ...data, description: v })}
             rows={6}