feat: add class share drafts

ai_knowledge_base_v2/apps/backend/app/api/chat.py

@@ -33,6 +33,7 @@ from app.services.chat_stream_service import ChatStreamService
 from app.services.growth_profile_service import GrowthProfileService
 from app.services.help_card_service import HelpCardService, help_card_dict
 from app.services.reasoning_policy_service import ReasoningPolicyService
+from app.services.share_draft_service import ShareDraftService, share_draft_dict
 
 router = APIRouter()
 logger = logging.getLogger(__name__)
@@ -126,6 +127,35 @@ def mark_help_card_copied(
     return api_success(help_card_dict(HelpCardService.mark_copied(db, user=current_user, card_id=card_id)))
 
 
+@router.post("/session/{session_id}/share-draft")
+def generate_share_draft(
+    session_id: int,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+) -> dict:
+    session = ChatService._get_user_session(db, current_user, session_id)
+    draft = ShareDraftService.generate_for_session(db, user=current_user, session=session)
+    return api_success(share_draft_dict(draft))
+
+
+@router.get("/share-draft/list")
+def list_share_drafts(
+    limit: int = Query(default=20, ge=1, le=50),
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+) -> dict:
+    return api_success([share_draft_dict(draft) for draft in ShareDraftService.list_user_drafts(db, user=current_user, limit=limit)])
+
+
+@router.post("/share-draft/{draft_id}/copied")
+def mark_share_draft_copied(
+    draft_id: int,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+) -> dict:
+    return api_success(share_draft_dict(ShareDraftService.mark_copied(db, user=current_user, draft_id=draft_id)))
+
+
 @router.post("/completions")
 def completions(
     payload: ChatCompletionRequest,