a

backend/app/api/v1/assignments.py

@@ -101,7 +101,9 @@ async def get_assignment_detail(
         .options(
             selectinload(Assignment.challenge).selectinload(Challenge.game),
             selectinload(Assignment.game),  # For playthrough
+            selectinload(Assignment.proof_files),  # Load multiple proof files
             selectinload(Assignment.bonus_assignments).selectinload(BonusAssignment.challenge),  # For playthrough
+            selectinload(Assignment.bonus_assignments).selectinload(BonusAssignment.proof_files),  # Load bonus proof files
             selectinload(Assignment.bonus_assignments).selectinload(BonusAssignment.dispute).selectinload(Dispute.raised_by),  # Bonus disputes
             selectinload(Assignment.bonus_assignments).selectinload(BonusAssignment.dispute).selectinload(Dispute.comments).selectinload(DisputeComment.user),
             selectinload(Assignment.bonus_assignments).selectinload(BonusAssignment.dispute).selectinload(Dispute.votes).selectinload(DisputeVote.user),
@@ -176,6 +178,18 @@ async def get_assignment_detail(
                 time_since_bonus_completion = datetime.utcnow() - ba.completed_at
                 bonus_can_dispute = time_since_bonus_completion < timedelta(hours=DISPUTE_WINDOW_HOURS)
 
+            # Build bonus proof files list
+            from app.schemas.assignment import ProofFileResponse
+            bonus_proof_files = [
+                ProofFileResponse(
+                    id=pf.id,
+                    file_type=pf.file_type,
+                    order_index=pf.order_index,
+                    created_at=pf.created_at,
+                )
+                for pf in ba.proof_files
+            ]
+
             bonus_challenges.append({
                 "id": ba.id,
                 "challenge": {
@@ -189,6 +203,7 @@ async def get_assignment_detail(
                 "status": ba.status,
                 "proof_url": ba.proof_url,
                 "proof_image_url": storage_service.get_url(ba.proof_path, "bonus_proofs") if ba.proof_path else None,
+                "proof_files": bonus_proof_files,
                 "proof_comment": ba.proof_comment,
                 "points_earned": ba.points_earned,
                 "completed_at": ba.completed_at.isoformat() if ba.completed_at else None,
@@ -196,6 +211,18 @@ async def get_assignment_detail(
                 "dispute": build_dispute_response(ba.dispute, current_user.id) if ba.dispute else None,
             })
 
+        # Build proof files list
+        from app.schemas.assignment import ProofFileResponse
+        proof_files_list = [
+            ProofFileResponse(
+                id=pf.id,
+                file_type=pf.file_type,
+                order_index=pf.order_index,
+                created_at=pf.created_at,
+            )
+            for pf in assignment.proof_files
+        ]
+
         return AssignmentDetailResponse(
             id=assignment.id,
             challenge=None,
@@ -203,6 +230,7 @@ async def get_assignment_detail(
                 id=game.id,
                 title=game.title,
                 cover_url=storage_service.get_url(game.cover_path, "covers"),
+                download_url=game.download_url,
                 game_type=game.game_type,
             ),
             is_playthrough=True,
@@ -216,6 +244,7 @@ async def get_assignment_detail(
             status=assignment.status,
             proof_url=assignment.proof_url,
             proof_image_url=proof_image_url,
+            proof_files=proof_files_list,
             proof_comment=assignment.proof_comment,
             points_earned=assignment.points_earned,
             streak_at_completion=assignment.streak_at_completion,
@@ -230,6 +259,18 @@ async def get_assignment_detail(
     challenge = assignment.challenge
     game = challenge.game
 
+    # Build proof files list
+    from app.schemas.assignment import ProofFileResponse
+    proof_files_list = [
+        ProofFileResponse(
+            id=pf.id,
+            file_type=pf.file_type,
+            order_index=pf.order_index,
+            created_at=pf.created_at,
+        )
+        for pf in assignment.proof_files
+    ]
+
     return AssignmentDetailResponse(
         id=assignment.id,
         challenge=ChallengeResponse(
@@ -246,6 +287,7 @@ async def get_assignment_detail(
                 id=game.id,
                 title=game.title,
                 cover_url=storage_service.get_url(game.cover_path, "covers"),
+                download_url=game.download_url,
             ),
             is_generated=challenge.is_generated,
             created_at=challenge.created_at,
@@ -254,6 +296,7 @@ async def get_assignment_detail(
         status=assignment.status,
         proof_url=assignment.proof_url,
         proof_image_url=proof_image_url,
+        proof_files=proof_files_list,
         proof_comment=assignment.proof_comment,
         points_earned=assignment.points_earned,
         streak_at_completion=assignment.streak_at_completion,
@@ -490,6 +533,212 @@ async def get_bonus_proof_media(
     )
 
 
+@router.get("/assignments/{assignment_id}/proof-files/{proof_file_id}/media")
+async def get_assignment_proof_file_media(
+    assignment_id: int,
+    proof_file_id: int,
+    request: Request,
+    current_user: CurrentUser,
+    db: DbSession,
+):
+    """Stream a specific proof file (image or video) for an assignment"""
+    from app.models import AssignmentProof, Game
+
+    # Get proof file
+    result = await db.execute(
+        select(AssignmentProof)
+        .options(
+            selectinload(AssignmentProof.assignment).selectinload(Assignment.challenge).selectinload(Challenge.game),
+            selectinload(AssignmentProof.assignment).selectinload(Assignment.game),  # For playthrough
+        )
+        .where(
+            AssignmentProof.id == proof_file_id,
+            AssignmentProof.assignment_id == assignment_id,
+        )
+    )
+    proof_file = result.scalar_one_or_none()
+
+    if not proof_file:
+        raise HTTPException(status_code=404, detail="Proof file not found")
+
+    assignment = proof_file.assignment
+
+    # Get marathon_id based on assignment type
+    if assignment.is_playthrough:
+        marathon_id = assignment.game.marathon_id
+    else:
+        marathon_id = assignment.challenge.game.marathon_id
+
+    # Check user is participant of the marathon
+    result = await db.execute(
+        select(Participant).where(
+            Participant.user_id == current_user.id,
+            Participant.marathon_id == marathon_id,
+        )
+    )
+    participant = result.scalar_one_or_none()
+    if not participant:
+        raise HTTPException(status_code=403, detail="You are not a participant of this marathon")
+
+    # Get file from storage
+    file_data = await storage_service.get_file(proof_file.file_path, "proofs")
+    if not file_data:
+        raise HTTPException(status_code=404, detail="Proof file not found in storage")
+
+    content, content_type = file_data
+    file_size = len(content)
+
+    # Check if it's a video and handle Range requests
+    is_video = content_type.startswith("video/")
+
+    if is_video:
+        range_header = request.headers.get("range")
+
+        if range_header:
+            # Parse range header
+            range_match = range_header.replace("bytes=", "").split("-")
+            start = int(range_match[0]) if range_match[0] else 0
+            end = int(range_match[1]) if len(range_match) > 1 and range_match[1] else file_size - 1
+
+            chunk = content[start:end + 1]
+
+            return Response(
+                content=chunk,
+                status_code=206,
+                media_type=content_type,
+                headers={
+                    "Content-Range": f"bytes {start}-{end}/{file_size}",
+                    "Accept-Ranges": "bytes",
+                    "Content-Length": str(len(chunk)),
+                    "Cache-Control": "public, max-age=31536000",
+                }
+            )
+
+        return Response(
+            content=content,
+            media_type=content_type,
+            headers={
+                "Accept-Ranges": "bytes",
+                "Content-Length": str(file_size),
+                "Cache-Control": "public, max-age=31536000",
+            }
+        )
+
+    # For images, just return the content
+    return Response(
+        content=content,
+        media_type=content_type,
+        headers={
+            "Cache-Control": "public, max-age=31536000",
+        }
+    )
+
+
+@router.get("/assignments/{assignment_id}/bonus/{bonus_id}/proof-files/{proof_file_id}/media")
+async def get_bonus_proof_file_media(
+    assignment_id: int,
+    bonus_id: int,
+    proof_file_id: int,
+    request: Request,
+    current_user: CurrentUser,
+    db: DbSession,
+):
+    """Stream a specific proof file (image or video) for a bonus assignment"""
+    from app.models import BonusAssignmentProof, Game
+
+    # Get proof file
+    result = await db.execute(
+        select(BonusAssignmentProof)
+        .options(
+            selectinload(BonusAssignmentProof.bonus_assignment)
+            .selectinload(BonusAssignment.main_assignment)
+            .selectinload(Assignment.game),  # For playthrough
+        )
+        .where(
+            BonusAssignmentProof.id == proof_file_id,
+            BonusAssignmentProof.bonus_assignment_id == bonus_id,
+        )
+    )
+    proof_file = result.scalar_one_or_none()
+
+    if not proof_file:
+        raise HTTPException(status_code=404, detail="Proof file not found")
+
+    bonus = proof_file.bonus_assignment
+    assignment = bonus.main_assignment
+
+    # Check assignment matches
+    if assignment.id != assignment_id:
+        raise HTTPException(status_code=404, detail="Proof file not found for this assignment")
+
+    # Get marathon_id (bonus assignments are always for playthrough)
+    marathon_id = assignment.game.marathon_id
+
+    # Check user is participant of the marathon
+    result = await db.execute(
+        select(Participant).where(
+            Participant.user_id == current_user.id,
+            Participant.marathon_id == marathon_id,
+        )
+    )
+    participant = result.scalar_one_or_none()
+    if not participant:
+        raise HTTPException(status_code=403, detail="You are not a participant of this marathon")
+
+    # Get file from storage
+    file_data = await storage_service.get_file(proof_file.file_path, "bonus_proofs")
+    if not file_data:
+        raise HTTPException(status_code=404, detail="Proof file not found in storage")
+
+    content, content_type = file_data
+    file_size = len(content)
+
+    # Check if it's a video and handle Range requests
+    is_video = content_type.startswith("video/")
+
+    if is_video:
+        range_header = request.headers.get("range")
+
+        if range_header:
+            # Parse range header
+            range_match = range_header.replace("bytes=", "").split("-")
+            start = int(range_match[0]) if range_match[0] else 0
+            end = int(range_match[1]) if len(range_match) > 1 and range_match[1] else file_size - 1
+
+            chunk = content[start:end + 1]
+
+            return Response(
+                content=chunk,
+                status_code=206,
+                media_type=content_type,
+                headers={
+                    "Content-Range": f"bytes {start}-{end}/{file_size}",
+                    "Accept-Ranges": "bytes",
+                    "Content-Length": str(len(chunk)),
+                    "Cache-Control": "public, max-age=31536000",
+                }
+            )
+
+        return Response(
+            content=content,
+            media_type=content_type,
+            headers={
+                "Accept-Ranges": "bytes",
+                "Content-Length": str(file_size),
+                "Cache-Control": "public, max-age=31536000",
+            }
+        )
+
+    # For images, just return the content
+    return Response(
+        content=content,
+        media_type=content_type,
+        headers={
+            "Cache-Control": "public, max-age=31536000",
+        }
+    )
+
+
 @router.post("/bonus-assignments/{bonus_id}/dispute", response_model=DisputeResponse)
 async def create_bonus_dispute(
     bonus_id: int,
@@ -891,6 +1140,7 @@ async def get_returned_assignments(
                         id=a.challenge.game.id,
                         title=a.challenge.game.title,
                         cover_url=storage_service.get_url(a.challenge.game.cover_path, "covers"),
+                        download_url=a.challenge.game.download_url,
                     ),
                     is_generated=a.challenge.is_generated,
                     created_at=a.challenge.created_at,
@@ -951,6 +1201,7 @@ async def get_bonus_assignments(
                     id=assignment.game.id,
                     title=assignment.game.title,
                     cover_url=storage_service.get_url(assignment.game.cover_path, "covers") if hasattr(assignment.game, 'cover_path') else None,
+                    download_url=assignment.game.download_url,
                     game_type=assignment.game.game_type,
                 ),
                 is_generated=ba.challenge.is_generated,
@@ -974,7 +1225,8 @@ async def complete_bonus_assignment(
     db: DbSession,
     proof_url: str | None = Form(None),
     comment: str | None = Form(None),
-    proof_file: UploadFile | None = File(None),
+    proof_file: UploadFile | None = File(None),  # Legacy single file support
+    proof_files: list[UploadFile] = File([]),  # Multiple files support
 ):
     """Complete a bonus challenge for a playthrough assignment"""
     from app.core.config import settings
@@ -1020,40 +1272,66 @@ async def complete_bonus_assignment(
     if bonus_assignment.status == BonusAssignmentStatus.COMPLETED.value:
         raise HTTPException(status_code=400, detail="This bonus challenge is already completed")
 
-    # Validate proof (need file, URL, or comment)
-    if not proof_file and not proof_url and not comment:
+    # Combine legacy single file with new multiple files
+    all_files = []
+    if proof_file:
+        all_files.append(proof_file)
+    if proof_files:
+        all_files.extend(proof_files)
+
+    # Validate proof (need file(s), URL, or comment)
+    if not all_files and not proof_url and not comment:
         raise HTTPException(
             status_code=400,
             detail="Необходимо прикрепить файл, ссылку или комментарий"
         )
 
-    # Handle file upload
-    if proof_file:
-        contents = await proof_file.read()
-        if len(contents) > settings.MAX_UPLOAD_SIZE:
-            raise HTTPException(
-                status_code=400,
-                detail=f"File too large. Maximum size is {settings.MAX_UPLOAD_SIZE // 1024 // 1024} MB",
+    # Handle multiple file uploads
+    if all_files:
+        from app.models import BonusAssignmentProof
+
+        for idx, file in enumerate(all_files):
+            contents = await file.read()
+            if len(contents) > settings.MAX_UPLOAD_SIZE:
+                raise HTTPException(
+                    status_code=400,
+                    detail=f"File {file.filename} too large. Maximum size is {settings.MAX_UPLOAD_SIZE // 1024 // 1024} MB",
+                )
+
+            ext = file.filename.split(".")[-1].lower() if file.filename else "jpg"
+            if ext not in settings.ALLOWED_EXTENSIONS:
+                raise HTTPException(
+                    status_code=400,
+                    detail=f"Invalid file type for {file.filename}. Allowed: {settings.ALLOWED_EXTENSIONS}",
+                )
+
+            # Determine file type (image or video)
+            file_type = "video" if ext in ["mp4", "webm", "mov", "avi"] else "image"
+
+            # Upload file to storage
+            filename = storage_service.generate_filename(f"bonus_{bonus_id}_{idx}", file.filename)
+            file_path = await storage_service.upload_file(
+                content=contents,
+                folder="bonus_proofs",
+                filename=filename,
+                content_type=file.content_type or "application/octet-stream",
             )
 
-        ext = proof_file.filename.split(".")[-1].lower() if proof_file.filename else "jpg"
-        if ext not in settings.ALLOWED_EXTENSIONS:
-            raise HTTPException(
-                status_code=400,
-                detail=f"Invalid file type. Allowed: {settings.ALLOWED_EXTENSIONS}",
+            # Create BonusAssignmentProof record
+            proof_record = BonusAssignmentProof(
+                bonus_assignment_id=bonus_id,
+                file_path=file_path,
+                file_type=file_type,
+                order_index=idx
             )
+            db.add(proof_record)
 
-        # Upload file to storage
-        filename = storage_service.generate_filename(bonus_id, proof_file.filename)
-        file_path = await storage_service.upload_file(
-            content=contents,
-            folder="bonus_proofs",
-            filename=filename,
-            content_type=proof_file.content_type or "application/octet-stream",
-        )
+            # Legacy: set proof_path on first file for backward compatibility
+            if idx == 0:
+                bonus_assignment.proof_path = file_path
 
-        bonus_assignment.proof_path = file_path
-    else:
+    # Set proof URL if provided
+    if proof_url:
         bonus_assignment.proof_url = proof_url
 
     # Complete the bonus assignment

backend/app/api/v1/challenges.py

@@ -54,7 +54,7 @@ def build_challenge_response(challenge: Challenge, game: Game) -> ChallengeRespo
         estimated_time=challenge.estimated_time,
         proof_type=challenge.proof_type,
         proof_hint=challenge.proof_hint,
-        game=GameShort(id=game.id, title=game.title, cover_url=None),
+        game=GameShort(id=game.id, title=game.title, cover_url=None, download_url=game.download_url),
         is_generated=challenge.is_generated,
         created_at=challenge.created_at,
         status=challenge.status,

backend/app/api/v1/events.py

@@ -937,6 +937,7 @@ def assignment_to_response(assignment: Assignment) -> AssignmentResponse:
                 id=game.id,
                 title=game.title,
                 cover_url=storage_service.get_url(game.cover_path, "covers"),
+                download_url=game.download_url,
             ),
             is_generated=challenge.is_generated,
             created_at=challenge.created_at,

backend/app/api/v1/wheel.py

@@ -315,7 +315,7 @@ async def spin_wheel(marathon_id: int, current_user: CurrentUser, db: DbSession)
                     estimated_time=ch.estimated_time,
                     proof_type=ch.proof_type,
                     proof_hint=ch.proof_hint,
-                    game=GameShort(id=game.id, title=game.title, cover_url=None, game_type=game.game_type),
+                    game=GameShort(id=game.id, title=game.title, cover_url=None, download_url=game.download_url, game_type=game.game_type),
                     is_generated=ch.is_generated,
                     created_at=ch.created_at,
                 )
@@ -339,7 +339,7 @@ async def spin_wheel(marathon_id: int, current_user: CurrentUser, db: DbSession)
                 estimated_time=challenge.estimated_time,
                 proof_type=challenge.proof_type,
                 proof_hint=challenge.proof_hint,
-                game=GameShort(id=game.id, title=game.title, cover_url=None, game_type=game.game_type),
+                game=GameShort(id=game.id, title=game.title, cover_url=None, download_url=game.download_url, game_type=game.game_type),
                 is_generated=challenge.is_generated,
                 created_at=challenge.created_at,
             ),
@@ -392,7 +392,7 @@ async def get_current_assignment(marathon_id: int, current_user: CurrentUser, db
                     estimated_time=ba.challenge.estimated_time,
                     proof_type=ba.challenge.proof_type,
                     proof_hint=ba.challenge.proof_hint,
-                    game=GameShort(id=game.id, title=game.title, cover_url=None, game_type=game.game_type),
+                    game=GameShort(id=game.id, title=game.title, cover_url=None, download_url=game.download_url, game_type=game.game_type),
                     is_generated=ba.challenge.is_generated,
                     created_at=ba.challenge.created_at,
                 ),
@@ -406,7 +406,7 @@ async def get_current_assignment(marathon_id: int, current_user: CurrentUser, db
         return AssignmentResponse(
             id=assignment.id,
             challenge=None,
-            game=GameShort(id=game.id, title=game.title, cover_url=None, game_type=game.game_type),
+            game=GameShort(id=game.id, title=game.title, cover_url=None, download_url=game.download_url, game_type=game.game_type),
             is_playthrough=True,
             playthrough_info=PlaythroughInfo(
                 description=game.playthrough_description,
@@ -445,7 +445,7 @@ async def get_current_assignment(marathon_id: int, current_user: CurrentUser, db
             estimated_time=challenge.estimated_time,
             proof_type=challenge.proof_type,
             proof_hint=challenge.proof_hint,
-            game=GameShort(id=game.id, title=game.title, cover_url=None, game_type=game.game_type),
+            game=GameShort(id=game.id, title=game.title, cover_url=None, download_url=game.download_url, game_type=game.game_type),
             is_generated=challenge.is_generated,
             created_at=challenge.created_at,
         ),
@@ -467,7 +467,8 @@ async def complete_assignment(
     db: DbSession,
     proof_url: str | None = Form(None),
     comment: str | None = Form(None),
-    proof_file: UploadFile | None = File(None),
+    proof_file: UploadFile | None = File(None),  # Legacy single file support
+    proof_files: list[UploadFile] = File([]),  # Multiple files support
 ):
     """Complete a regular assignment with proof (not event assignments)"""
     # Get assignment with all needed relationships
@@ -497,42 +498,68 @@ async def complete_assignment(
     if assignment.is_event_assignment:
         raise HTTPException(status_code=400, detail="Use /event-assignments/{id}/complete for event assignments")
 
-    # For playthrough: need either file or URL or comment (proof is flexible)
-    # For challenges: need either file or URL
+    # Combine legacy single file with new multiple files
+    all_files = []
+    if proof_file:
+        all_files.append(proof_file)
+    if proof_files:
+        all_files.extend(proof_files)
+
+    # For playthrough: need either file(s) or URL or comment (proof is flexible)
+    # For challenges: need either file(s) or URL
     if assignment.is_playthrough:
-        if not proof_file and not proof_url and not comment:
+        if not all_files and not proof_url and not comment:
             raise HTTPException(status_code=400, detail="Proof is required (file, URL, or comment)")
     else:
-        if not proof_file and not proof_url:
+        if not all_files and not proof_url:
             raise HTTPException(status_code=400, detail="Proof is required (file or URL)")
 
-    # Handle file upload
-    if proof_file:
-        contents = await proof_file.read()
-        if len(contents) > settings.MAX_UPLOAD_SIZE:
-            raise HTTPException(
-                status_code=400,
-                detail=f"File too large. Maximum size is {settings.MAX_UPLOAD_SIZE // 1024 // 1024} MB",
+    # Handle multiple file uploads
+    if all_files:
+        from app.models import AssignmentProof
+
+        for idx, file in enumerate(all_files):
+            contents = await file.read()
+            if len(contents) > settings.MAX_UPLOAD_SIZE:
+                raise HTTPException(
+                    status_code=400,
+                    detail=f"File {file.filename} too large. Maximum size is {settings.MAX_UPLOAD_SIZE // 1024 // 1024} MB",
+                )
+
+            ext = file.filename.split(".")[-1].lower() if file.filename else "jpg"
+            if ext not in settings.ALLOWED_EXTENSIONS:
+                raise HTTPException(
+                    status_code=400,
+                    detail=f"Invalid file type for {file.filename}. Allowed: {settings.ALLOWED_EXTENSIONS}",
+                )
+
+            # Determine file type (image or video)
+            file_type = "video" if ext in ["mp4", "webm", "mov", "avi"] else "image"
+
+            # Upload file to storage
+            filename = storage_service.generate_filename(f"{assignment_id}_{idx}", file.filename)
+            file_path = await storage_service.upload_file(
+                content=contents,
+                folder="proofs",
+                filename=filename,
+                content_type=file.content_type or "application/octet-stream",
             )
 
-        ext = proof_file.filename.split(".")[-1].lower() if proof_file.filename else "jpg"
-        if ext not in settings.ALLOWED_EXTENSIONS:
-            raise HTTPException(
-                status_code=400,
-                detail=f"Invalid file type. Allowed: {settings.ALLOWED_EXTENSIONS}",
+            # Create AssignmentProof record
+            proof_record = AssignmentProof(
+                assignment_id=assignment_id,
+                file_path=file_path,
+                file_type=file_type,
+                order_index=idx
             )
+            db.add(proof_record)
 
-        # Upload file to storage
-        filename = storage_service.generate_filename(assignment_id, proof_file.filename)
-        file_path = await storage_service.upload_file(
-            content=contents,
-            folder="proofs",
-            filename=filename,
-            content_type=proof_file.content_type or "application/octet-stream",
-        )
+            # Legacy: set proof_path on first file for backward compatibility
+            if idx == 0:
+                assignment.proof_path = file_path
 
-        assignment.proof_path = file_path
-    else:
+    # Set proof URL if provided
+    if proof_url:
         assignment.proof_url = proof_url
 
     assignment.proof_comment = comment
@@ -908,7 +935,7 @@ async def get_my_history(
                         estimated_time=ba.challenge.estimated_time,
                         proof_type=ba.challenge.proof_type,
                         proof_hint=ba.challenge.proof_hint,
-                        game=GameShort(id=game.id, title=game.title, cover_url=None, game_type=game.game_type),
+                        game=GameShort(id=game.id, title=game.title, cover_url=None, download_url=game.download_url, game_type=game.game_type),
                         is_generated=ba.challenge.is_generated,
                         created_at=ba.challenge.created_at,
                     ),
@@ -924,7 +951,7 @@ async def get_my_history(
             responses.append(AssignmentResponse(
                 id=a.id,
                 challenge=None,
-                game=GameShort(id=game.id, title=game.title, cover_url=None, game_type=game.game_type),
+                game=GameShort(id=game.id, title=game.title, cover_url=None, download_url=game.download_url, game_type=game.game_type),
                 is_playthrough=True,
                 playthrough_info=PlaythroughInfo(
                     description=game.playthrough_description,
@@ -959,6 +986,7 @@ async def get_my_history(
                         id=a.challenge.game.id,
                         title=a.challenge.game.title,
                         cover_url=None,
+                        download_url=a.challenge.game.download_url,
                         game_type=a.challenge.game.game_type,
                     ),
                     is_generated=a.challenge.is_generated,

backend/app/models/__init__.py

@@ -5,6 +5,7 @@ from app.models.game import Game, GameStatus, GameType
 from app.models.challenge import Challenge, ChallengeType, Difficulty, ProofType
 from app.models.assignment import Assignment, AssignmentStatus
 from app.models.bonus_assignment import BonusAssignment, BonusAssignmentStatus
+from app.models.assignment_proof import AssignmentProof, BonusAssignmentProof
 from app.models.activity import Activity, ActivityType
 from app.models.event import Event, EventType
 from app.models.swap_request import SwapRequest, SwapRequestStatus
@@ -32,6 +33,8 @@ __all__ = [
     "AssignmentStatus",
     "BonusAssignment",
     "BonusAssignmentStatus",
+    "AssignmentProof",
+    "BonusAssignmentProof",
     "Activity",
     "ActivityType",
     "Event",

backend/app/models/assignment.py

@@ -42,3 +42,4 @@ class Assignment(Base):
     event: Mapped["Event | None"] = relationship("Event", back_populates="assignments")
     dispute: Mapped["Dispute | None"] = relationship("Dispute", back_populates="assignment", uselist=False, cascade="all, delete-orphan", passive_deletes=True)
     bonus_assignments: Mapped[list["BonusAssignment"]] = relationship("BonusAssignment", back_populates="main_assignment", cascade="all, delete-orphan")
+    proof_files: Mapped[list["AssignmentProof"]] = relationship("AssignmentProof", back_populates="assignment", cascade="all, delete-orphan", order_by="AssignmentProof.order_index")

backend/app/models/assignment_proof.py

@@ -0,0 +1,47 @@
+from datetime import datetime
+from sqlalchemy import String, ForeignKey, Integer, DateTime
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.core.database import Base
+
+
+class AssignmentProof(Base):
+    """Файлы-доказательства для заданий (множественные пруфы)"""
+    __tablename__ = "assignment_proofs"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    assignment_id: Mapped[int] = mapped_column(
+        ForeignKey("assignments.id", ondelete="CASCADE"),
+        index=True
+    )
+    file_path: Mapped[str] = mapped_column(String(500))  # Путь к файлу в хранилище
+    file_type: Mapped[str] = mapped_column(String(20))  # image или video
+    order_index: Mapped[int] = mapped_column(Integer, default=0)  # Порядок отображения
+    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
+
+    # Relationships
+    assignment: Mapped["Assignment"] = relationship(
+        "Assignment",
+        back_populates="proof_files"
+    )
+
+
+class BonusAssignmentProof(Base):
+    """Файлы-доказательства для бонусных заданий (множественные пруфы)"""
+    __tablename__ = "bonus_assignment_proofs"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    bonus_assignment_id: Mapped[int] = mapped_column(
+        ForeignKey("bonus_assignments.id", ondelete="CASCADE"),
+        index=True
+    )
+    file_path: Mapped[str] = mapped_column(String(500))  # Путь к файлу в хранилище
+    file_type: Mapped[str] = mapped_column(String(20))  # image или video
+    order_index: Mapped[int] = mapped_column(Integer, default=0)  # Порядок отображения
+    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
+
+    # Relationships
+    bonus_assignment: Mapped["BonusAssignment"] = relationship(
+        "BonusAssignment",
+        back_populates="proof_files"
+    )

backend/app/models/bonus_assignment.py

@@ -46,3 +46,9 @@ class BonusAssignment(Base):
         back_populates="bonus_assignment",
         uselist=False,
     )
+    proof_files: Mapped[list["BonusAssignmentProof"]] = relationship(
+        "BonusAssignmentProof",
+        back_populates="bonus_assignment",
+        cascade="all, delete-orphan",
+        order_by="BonusAssignmentProof.order_index"
+    )

backend/app/schemas/assignment.py

@@ -5,6 +5,17 @@ from app.schemas.game import GameResponse, GameShort, PlaythroughInfo
 from app.schemas.challenge import ChallengeResponse
 
 
+class ProofFileResponse(BaseModel):
+    """Информация о файле-доказательстве"""
+    id: int
+    file_type: str  # image или video
+    order_index: int
+    created_at: datetime
+
+    class Config:
+        from_attributes = True
+
+
 class AssignmentBase(BaseModel):
     pass
 
@@ -20,6 +31,8 @@ class BonusAssignmentResponse(BaseModel):
     challenge: ChallengeResponse
     status: str  # pending, completed
     proof_url: str | None = None
+    proof_image_url: str | None = None  # Legacy, for backward compatibility
+    proof_files: list[ProofFileResponse] = []  # Multiple uploaded files
     proof_comment: str | None = None
     points_earned: int = 0
     completed_at: datetime | None = None

backend/app/schemas/dispute.py

@@ -4,6 +4,7 @@ from pydantic import BaseModel, Field
 
 from app.schemas.user import UserPublic
 from app.schemas.challenge import ChallengeResponse, GameShort
+from app.schemas.assignment import ProofFileResponse
 
 if TYPE_CHECKING:
     from app.schemas.game import PlaythroughInfo
@@ -75,7 +76,8 @@ class AssignmentDetailResponse(BaseModel):
     participant: UserPublic
     status: str
     proof_url: str | None  # External URL (YouTube, etc.)
-    proof_image_url: str | None  # Uploaded file URL
+    proof_image_url: str | None  # Uploaded file URL (legacy, for backward compatibility)
+    proof_files: list[ProofFileResponse] = []  # Multiple uploaded files
     proof_comment: str | None
     points_earned: int
     streak_at_completion: int | None

backend/app/schemas/game.py

@@ -56,6 +56,7 @@ class GameShort(BaseModel):
     id: int
     title: str
     cover_url: str | None = None
+    download_url: str
     game_type: str = "challenges"
 
     class Config:

backend/app/services/storage.py

@@ -15,7 +15,7 @@ from app.core.config import settings
 
 logger = logging.getLogger(__name__)
 
-StorageFolder = Literal["avatars", "covers", "proofs"]
+StorageFolder = Literal["avatars", "covers", "proofs", "bonus_proofs"]
 
 
 class StorageService:

docker-compose.yml

@@ -9,7 +9,7 @@ services:
     volumes:
       - postgres_data:/var/lib/postgresql/data
     ports:
-      - "5432:5432"
+      - "5433:5432"
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -U marathon"]
       interval: 5s
@@ -43,7 +43,7 @@ services:
       - ./backend/uploads:/app/uploads
       - ./backend/app:/app/app
     ports:
-      - "8000:8000"
+      - "8002:8000"
     depends_on:
       db:
         condition: service_healthy
@@ -57,7 +57,7 @@ services:
         VITE_API_URL: ${VITE_API_URL:-/api/v1}
     container_name: marathon-frontend
     ports:
-      - "3000:80"
+      - "3002:80"
     depends_on:
       - backend
     restart: unless-stopped

frontend/src/api/assignments.ts

@@ -67,18 +67,27 @@ export const assignmentsApi = {
   completeBonusAssignment: async (
     assignmentId: number,
     bonusId: number,
-    data: { proof_file?: File; proof_url?: string; comment?: string }
+    data: { proof_file?: File; proof_files?: File[]; proof_url?: string; comment?: string }
   ): Promise<BonusCompleteResult> => {
     const formData = new FormData()
+
+    // Support both single file (legacy) and multiple files
     if (data.proof_file) {
       formData.append('proof_file', data.proof_file)
     }
+    if (data.proof_files && data.proof_files.length > 0) {
+      data.proof_files.forEach(file => {
+        formData.append('proof_files', file)
+      })
+    }
+
     if (data.proof_url) {
       formData.append('proof_url', data.proof_url)
     }
     if (data.comment) {
       formData.append('comment', data.comment)
     }
+
     const response = await client.post<BonusCompleteResult>(
       `/assignments/${assignmentId}/bonus/${bonusId}/complete`,
       formData,
@@ -103,4 +112,39 @@ export const assignmentsApi = {
       type: isVideo ? 'video' : 'image',
     }
   },
+
+  // Get individual proof file media as blob URL (for multiple proofs support)
+  getProofFileMediaUrl: async (
+    assignmentId: number,
+    proofFileId: number
+  ): Promise<{ url: string; type: 'image' | 'video' }> => {
+    const response = await client.get(
+      `/assignments/${assignmentId}/proof-files/${proofFileId}/media`,
+      { responseType: 'blob' }
+    )
+    const contentType = response.headers['content-type'] || ''
+    const isVideo = contentType.startsWith('video/')
+    return {
+      url: URL.createObjectURL(response.data),
+      type: isVideo ? 'video' : 'image',
+    }
+  },
+
+  // Get individual bonus proof file media as blob URL (for multiple proofs support)
+  getBonusProofFileMediaUrl: async (
+    assignmentId: number,
+    bonusId: number,
+    proofFileId: number
+  ): Promise<{ url: string; type: 'image' | 'video' }> => {
+    const response = await client.get(
+      `/assignments/${assignmentId}/bonus/${bonusId}/proof-files/${proofFileId}/media`,
+      { responseType: 'blob' }
+    )
+    const contentType = response.headers['content-type'] || ''
+    const isVideo = contentType.startsWith('video/')
+    return {
+      url: URL.createObjectURL(response.data),
+      type: isVideo ? 'video' : 'image',
+    }
+  },
 }

frontend/src/api/wheel.ts

@@ -14,12 +14,19 @@ export const wheelApi = {
 
   complete: async (
     assignmentId: number,
-    data: { proof_url?: string; comment?: string; proof_file?: File }
+    data: { proof_url?: string; comment?: string; proof_file?: File; proof_files?: File[] }
   ): Promise<CompleteResult> => {
     const formData = new FormData()
     if (data.proof_url) formData.append('proof_url', data.proof_url)
     if (data.comment) formData.append('comment', data.comment)
+
+    // Support both single file (legacy) and multiple files
     if (data.proof_file) formData.append('proof_file', data.proof_file)
+    if (data.proof_files && data.proof_files.length > 0) {
+      data.proof_files.forEach(file => {
+        formData.append('proof_files', file)
+      })
+    }
 
     const response = await client.post<CompleteResult>(`/assignments/${assignmentId}/complete`, formData, {
       headers: { 'Content-Type': 'multipart/form-data' },

frontend/src/pages/AssignmentDetailPage.tsx

@@ -8,7 +8,7 @@ import { useToast } from '@/store/toast'
 import {
   ArrowLeft, Loader2, ExternalLink, Image, MessageSquare,
   ThumbsUp, ThumbsDown, AlertTriangle, Clock, CheckCircle, XCircle,
-  Send, Flag, Gamepad2, Zap, Trophy
+  Send, Flag, Gamepad2, Zap, Trophy, Download, ChevronLeft, ChevronRight, X
 } from 'lucide-react'
 
 export function AssignmentDetailPage() {
@@ -23,9 +23,20 @@ export function AssignmentDetailPage() {
   const [proofMediaBlobUrl, setProofMediaBlobUrl] = useState<string | null>(null)
   const [proofMediaType, setProofMediaType] = useState<'image' | 'video' | null>(null)
 
+  // Multiple proof files
+  const [proofFiles, setProofFiles] = useState<Array<{ id: number; url: string; type: 'image' | 'video' }>>([])
+
   // Bonus proof media
   const [bonusProofMedia, setBonusProofMedia] = useState<Record<number, { url: string; type: 'image' | 'video' }>>({})
 
+  // Bonus proof files (multiple)
+  const [bonusProofFiles, setBonusProofFiles] = useState<Record<number, Array<{ id: number; url: string; type: 'image' | 'video' }>>>({})
+
+  // Lightbox state
+  const [lightboxOpen, setLightboxOpen] = useState(false)
+  const [lightboxIndex, setLightboxIndex] = useState(0)
+  const [lightboxItems, setLightboxItems] = useState<Array<{ url: string; type: 'image' | 'video' }>>([])
+
   // Dispute creation
   const [showDisputeForm, setShowDisputeForm] = useState(false)
   const [disputeReason, setDisputeReason] = useState('')
@@ -50,9 +61,20 @@ export function AssignmentDetailPage() {
       if (proofMediaBlobUrl) {
         URL.revokeObjectURL(proofMediaBlobUrl)
       }
+      proofFiles.forEach(file => {
+        URL.revokeObjectURL(file.url)
+      })
       Object.values(bonusProofMedia).forEach(media => {
         URL.revokeObjectURL(media.url)
       })
+      Object.values(bonusProofFiles).forEach(files => {
+        files.forEach(file => {
+          URL.revokeObjectURL(file.url)
+        })
+      })
+      lightboxItems.forEach(item => {
+        URL.revokeObjectURL(item.url)
+      })
     }
   }, [id])
 
@@ -64,8 +86,20 @@ export function AssignmentDetailPage() {
       const data = await assignmentsApi.getDetail(parseInt(id))
       setAssignment(data)
 
-      // Load proof media if exists
-      if (data.proof_image_url) {
+      // Load proof files if exists (new multi-file support)
+      if (data.proof_files && data.proof_files.length > 0) {
+        const files: Array<{ id: number; url: string; type: 'image' | 'video' }> = []
+        for (const proofFile of data.proof_files) {
+          try {
+            const { url, type } = await assignmentsApi.getProofFileMediaUrl(parseInt(id), proofFile.id)
+            files.push({ id: proofFile.id, url, type })
+          } catch {
+            // Ignore error, file just won't show
+          }
+        }
+        setProofFiles(files)
+      } else if (data.proof_image_url) {
+        // Legacy: Load single proof media if exists
         try {
           const { url, type } = await assignmentsApi.getProofMediaUrl(parseInt(id))
           setProofMediaBlobUrl(url)
@@ -75,11 +109,26 @@ export function AssignmentDetailPage() {
         }
       }
 
-      // Load bonus proof media for playthrough
+      // Load bonus proof files for playthrough
       if (data.is_playthrough && data.bonus_challenges) {
         const bonusMedia: Record<number, { url: string; type: 'image' | 'video' }> = {}
+        const bonusFiles: Record<number, Array<{ id: number; url: string; type: 'image' | 'video' }>> = {}
+
         for (const bonus of data.bonus_challenges) {
-          if (bonus.proof_image_url) {
+          // New multi-file support
+          if (bonus.proof_files && bonus.proof_files.length > 0) {
+            const files: Array<{ id: number; url: string; type: 'image' | 'video' }> = []
+            for (const proofFile of bonus.proof_files) {
+              try {
+                const { url, type } = await assignmentsApi.getBonusProofFileMediaUrl(parseInt(id), bonus.id, proofFile.id)
+                files.push({ id: proofFile.id, url, type })
+              } catch {
+                // Ignore error, file just won't show
+              }
+            }
+            bonusFiles[bonus.id] = files
+          } else if (bonus.proof_image_url) {
+            // Legacy: single file
             try {
               const { url, type } = await assignmentsApi.getBonusProofMediaUrl(parseInt(id), bonus.id)
               bonusMedia[bonus.id] = { url, type }
@@ -88,7 +137,9 @@ export function AssignmentDetailPage() {
             }
           }
         }
+
         setBonusProofMedia(bonusMedia)
+        setBonusProofFiles(bonusFiles)
       }
     } catch (err: unknown) {
       const error = err as { response?: { data?: { detail?: string } } }
@@ -200,6 +251,24 @@ export function AssignmentDetailPage() {
     return `${hours}ч ${minutes}м`
   }
 
+  const openLightbox = (items: Array<{ url: string; type: 'image' | 'video' }>, index: number) => {
+    setLightboxItems(items)
+    setLightboxIndex(index)
+    setLightboxOpen(true)
+  }
+
+  const closeLightbox = () => {
+    setLightboxOpen(false)
+  }
+
+  const nextLightboxItem = () => {
+    setLightboxIndex((prev) => (prev + 1) % lightboxItems.length)
+  }
+
+  const prevLightboxItem = () => {
+    setLightboxIndex((prev) => (prev - 1 + lightboxItems.length) % lightboxItems.length)
+  }
+
   const getStatusConfig = (status: string) => {
     switch (status) {
       case 'completed':
@@ -332,6 +401,18 @@ export function AssignmentDetailPage() {
               )}
             </>
           )}
+          {/* Download link */}
+          {(assignment.game?.download_url || assignment.challenge?.game.download_url) && (
+            <a
+              href={assignment.is_playthrough ? assignment.game?.download_url : assignment.challenge?.game.download_url}
+              target="_blank"
+              rel="noopener noreferrer"
+              className="px-3 py-1.5 bg-neon-500/20 text-neon-400 rounded-lg text-sm font-medium border border-neon-500/30 flex items-center gap-1.5 hover:bg-neon-500/30 transition-colors"
+            >
+              <Download className="w-4 h-4" />
+              Скачать игру
+            </a>
+          )}
         </div>
 
         <div className="pt-4 border-t border-dark-600 text-sm text-gray-400 space-y-1">
@@ -401,9 +482,44 @@ export function AssignmentDetailPage() {
                       )}
                     </div>
                     <p className="text-gray-400 text-sm">{bonus.challenge.description}</p>
-                    {bonus.status === 'completed' && (bonus.proof_url || bonus.proof_image_url || bonus.proof_comment) && (
+                    {bonus.status === 'completed' && (bonus.proof_url || bonus.proof_image_url || bonus.proof_comment || bonusProofFiles[bonus.id]) && (
                       <div className="mt-2 text-xs space-y-2">
-                        {bonusProofMedia[bonus.id] && (
+                        {/* Multiple proof files */}
+                        {bonusProofFiles[bonus.id] && bonusProofFiles[bonus.id].length > 0 && (
+                          <div className="flex gap-2 flex-wrap">
+                            {bonusProofFiles[bonus.id].map((file, index) => (
+                              <div
+                                key={file.id}
+                                className="relative rounded-lg overflow-hidden border border-dark-600 cursor-pointer hover:border-neon-500/50 transition-all w-24 h-24"
+                                onClick={() => openLightbox(bonusProofFiles[bonus.id], index)}
+                              >
+                                {file.type === 'video' ? (
+                                  <div className="relative w-full h-full">
+                                    <video
+                                      src={file.url}
+                                      className="w-full h-full object-cover bg-dark-900"
+                                      preload="metadata"
+                                    />
+                                    <div className="absolute inset-0 flex items-center justify-center bg-black/50">
+                                      <div className="w-6 h-6 rounded-full bg-neon-500/80 flex items-center justify-center">
+                                        <div className="w-0 h-0 border-l-4 border-l-white border-y-3 border-y-transparent ml-0.5"></div>
+                                      </div>
+                                    </div>
+                                  </div>
+                                ) : (
+                                  <img
+                                    src={file.url}
+                                    alt={`Proof ${index + 1}`}
+                                    className="w-full h-full object-cover bg-dark-900"
+                                  />
+                                )}
+                              </div>
+                            ))}
+                          </div>
+                        )}
+
+                        {/* Legacy: single proof media */}
+                        {(!bonusProofFiles[bonus.id] || bonusProofFiles[bonus.id].length === 0) && bonusProofMedia[bonus.id] && (
                           <div className="rounded-lg overflow-hidden border border-dark-600 max-w-xs">
                             {bonusProofMedia[bonus.id].type === 'video' ? (
                               <video
@@ -413,16 +529,20 @@ export function AssignmentDetailPage() {
                                 preload="metadata"
                               />
                             ) : (
-                              <a href={bonusProofMedia[bonus.id].url} target="_blank" rel="noopener noreferrer">
+                              <button
+                                onClick={() => openLightbox([bonusProofMedia[bonus.id]], 0)}
+                                className="w-full"
+                              >
                                 <img
                                   src={bonusProofMedia[bonus.id].url}
                                   alt="Proof"
                                   className="w-full h-auto max-h-32 object-cover hover:opacity-80 transition-opacity"
                                 />
-                              </a>
+                              </button>
                             )}
                           </div>
                         )}
+
                         {bonus.proof_url && (
                           <a
                             href={bonus.proof_url}
@@ -545,8 +665,47 @@ export function AssignmentDetailPage() {
           </div>
         </div>
 
-        {/* Proof media (image or video) */}
-        {assignment.proof_image_url && (
+        {/* Proof files gallery (multiple proofs) */}
+        {proofFiles.length > 0 && (
+          <div className="mb-4">
+            <div className="grid grid-cols-2 gap-3">
+              {proofFiles.map((file, index) => (
+                <div
+                  key={file.id}
+                  className="relative rounded-xl overflow-hidden border border-dark-600 cursor-pointer hover:border-neon-500/50 transition-all group"
+                  onClick={() => openLightbox(proofFiles, index)}
+                >
+                  {file.type === 'video' ? (
+                    <div className="relative">
+                      <video
+                        src={file.url}
+                        className="w-full h-48 object-cover bg-dark-900"
+                        preload="metadata"
+                      />
+                      <div className="absolute inset-0 flex items-center justify-center bg-black/50 group-hover:bg-black/30 transition-all">
+                        <div className="w-12 h-12 rounded-full bg-neon-500/80 flex items-center justify-center">
+                          <div className="w-0 h-0 border-l-8 border-l-white border-y-6 border-y-transparent ml-1"></div>
+                        </div>
+                      </div>
+                    </div>
+                  ) : (
+                    <img
+                      src={file.url}
+                      alt={`Proof ${index + 1}`}
+                      className="w-full h-48 object-cover bg-dark-900 group-hover:opacity-90 transition-opacity"
+                    />
+                  )}
+                  <div className="absolute top-2 right-2 px-2 py-1 bg-dark-900/80 rounded text-xs text-gray-300">
+                    {index + 1}/{proofFiles.length}
+                  </div>
+                </div>
+              ))}
+            </div>
+          </div>
+        )}
+
+        {/* Legacy: Single proof media (for backwards compatibility) */}
+        {proofFiles.length === 0 && assignment.proof_image_url && (
           <div className="mb-4 rounded-xl overflow-hidden border border-dark-600">
             {proofMediaBlobUrl ? (
               proofMediaType === 'video' ? (
@@ -557,11 +716,16 @@ export function AssignmentDetailPage() {
                   preload="metadata"
                 />
               ) : (
-                <img
-                  src={proofMediaBlobUrl}
-                  alt="Proof"
-                  className="w-full max-h-96 object-contain bg-dark-900"
-                />
+                <button
+                  onClick={() => openLightbox([{ url: proofMediaBlobUrl, type: 'image' }], 0)}
+                  className="w-full"
+                >
+                  <img
+                    src={proofMediaBlobUrl}
+                    alt="Proof"
+                    className="w-full max-h-96 object-contain bg-dark-900 hover:opacity-90 transition-opacity"
+                  />
+                </button>
               )
             ) : (
               <div className="w-full h-48 bg-dark-900 flex items-center justify-center">
@@ -594,7 +758,7 @@ export function AssignmentDetailPage() {
           </div>
         )}
 
-        {!assignment.proof_image_url && !assignment.proof_url && (
+        {proofFiles.length === 0 && !assignment.proof_image_url && !assignment.proof_url && (
           <div className="text-center py-8">
             <div className="w-12 h-12 mx-auto mb-3 rounded-xl bg-dark-700 flex items-center justify-center">
               <Image className="w-6 h-6 text-gray-600" />
@@ -810,6 +974,69 @@ export function AssignmentDetailPage() {
           </div>
         </GlassCard>
       )}
+
+      {/* Lightbox modal */}
+      {lightboxOpen && lightboxItems.length > 0 && (
+        <div
+          className="fixed inset-0 z-50 bg-black/95 flex items-center justify-center"
+          onClick={closeLightbox}
+        >
+          <button
+            className="absolute top-4 right-4 w-10 h-10 rounded-full bg-dark-700/80 hover:bg-dark-600 flex items-center justify-center text-gray-400 hover:text-white transition-all z-10"
+            onClick={closeLightbox}
+          >
+            <X className="w-6 h-6" />
+          </button>
+
+          {lightboxItems.length > 1 && (
+            <>
+              <button
+                className="absolute left-4 w-12 h-12 rounded-full bg-dark-700/80 hover:bg-dark-600 flex items-center justify-center text-gray-400 hover:text-white transition-all z-10"
+                onClick={(e) => {
+                  e.stopPropagation()
+                  prevLightboxItem()
+                }}
+              >
+                <ChevronLeft className="w-8 h-8" />
+              </button>
+
+              <button
+                className="absolute right-4 w-12 h-12 rounded-full bg-dark-700/80 hover:bg-dark-600 flex items-center justify-center text-gray-400 hover:text-white transition-all z-10"
+                onClick={(e) => {
+                  e.stopPropagation()
+                  nextLightboxItem()
+                }}
+              >
+                <ChevronRight className="w-8 h-8" />
+              </button>
+
+              <div className="absolute bottom-4 left-1/2 -translate-x-1/2 px-4 py-2 bg-dark-700/80 rounded-full text-white text-sm z-10">
+                {lightboxIndex + 1} / {lightboxItems.length}
+              </div>
+            </>
+          )}
+
+          <div
+            className="max-w-7xl max-h-[90vh] w-full h-full flex items-center justify-center p-4"
+            onClick={(e) => e.stopPropagation()}
+          >
+            {lightboxItems[lightboxIndex].type === 'video' ? (
+              <video
+                src={lightboxItems[lightboxIndex].url}
+                controls
+                autoPlay
+                className="max-w-full max-h-full"
+              />
+            ) : (
+              <img
+                src={lightboxItems[lightboxIndex].url}
+                alt="Proof"
+                className="max-w-full max-h-full object-contain"
+              />
+            )}
+          </div>
+        </div>
+      )}
     </div>
   )
 }

frontend/src/pages/PlayPage.tsx

@@ -5,7 +5,7 @@ import type { Marathon, Assignment, Game, ActiveEvent, SwapCandidate, MySwapRequ
 import { NeonButton, GlassCard, StatsCard } from '@/components/ui'
 import { SpinWheel } from '@/components/SpinWheel'
 import { EventBanner } from '@/components/EventBanner'
-import { Loader2, Upload, X, Gamepad2, ArrowLeftRight, Check, XCircle, Clock, Send, Trophy, Users, ArrowLeft, AlertTriangle, Zap, Flame, Target } from 'lucide-react'
+import { Loader2, Upload, X, Gamepad2, ArrowLeftRight, Check, XCircle, Clock, Send, Trophy, Users, ArrowLeft, AlertTriangle, Zap, Flame, Target, Download } from 'lucide-react'
 import { useToast } from '@/store/toast'
 import { useConfirm } from '@/store/confirm'
 
@@ -25,7 +25,7 @@ export function PlayPage() {
   const [activeEvent, setActiveEvent] = useState<ActiveEvent | null>(null)
   const [isLoading, setIsLoading] = useState(true)
 
-  const [proofFile, setProofFile] = useState<File | null>(null)
+  const [proofFiles, setProofFiles] = useState<File[]>([])
   const [proofUrl, setProofUrl] = useState('')
   const [comment, setComment] = useState('')
   const [isCompleting, setIsCompleting] = useState(false)
@@ -57,7 +57,7 @@ export function PlayPage() {
 
   // Bonus challenge completion
   const [expandedBonusId, setExpandedBonusId] = useState<number | null>(null)
-  const [bonusProofFile, setBonusProofFile] = useState<File | null>(null)
+  const [bonusProofFiles, setBonusProofFiles] = useState<File[]>([])
   const [bonusProofUrl, setBonusProofUrl] = useState('')
   const [bonusComment, setBonusComment] = useState('')
   const [isCompletingBonus, setIsCompletingBonus] = useState(false)
@@ -232,12 +232,12 @@ export function PlayPage() {
     // For playthrough: allow file, URL, or comment
     // For challenges: require file or URL
     if (currentAssignment.is_playthrough) {
-      if (!proofFile && !proofUrl && !comment) {
+      if (proofFiles.length === 0 && !proofUrl && !comment) {
         toast.warning('Пожалуйста, предоставьте доказательство (файл, ссылку или комментарий)')
         return
       }
     } else {
-      if (!proofFile && !proofUrl) {
+      if (proofFiles.length === 0 && !proofUrl) {
         toast.warning('Пожалуйста, предоставьте доказательство (файл или ссылку)')
         return
       }
@@ -246,12 +246,12 @@ export function PlayPage() {
     setIsCompleting(true)
     try {
       const result = await wheelApi.complete(currentAssignment.id, {
-        proof_file: proofFile || undefined,
+        proof_files: proofFiles.length > 0 ? proofFiles : undefined,
         proof_url: proofUrl || undefined,
         comment: comment || undefined,
       })
       toast.success(`Выполнено! +${result.points_earned} очков (бонус серии: +${result.streak_bonus})`)
-      setProofFile(null)
+      setProofFiles([])
       setProofUrl('')
       setComment('')
       await loadData()
@@ -291,7 +291,7 @@ export function PlayPage() {
 
   const handleBonusComplete = async (bonusId: number) => {
     if (!currentAssignment) return
-    if (!bonusProofFile && !bonusProofUrl && !bonusComment) {
+    if (bonusProofFiles.length === 0 && !bonusProofUrl && !bonusComment) {
       toast.warning('Прикрепите файл, ссылку или комментарий')
       return
     }
@@ -302,13 +302,13 @@ export function PlayPage() {
         currentAssignment.id,
         bonusId,
         {
-          proof_file: bonusProofFile || undefined,
+          proof_files: bonusProofFiles.length > 0 ? bonusProofFiles : undefined,
           proof_url: bonusProofUrl || undefined,
           comment: bonusComment || undefined,
         }
       )
       toast.success(`Бонус отмечен! +${result.points_earned} очков начислится при завершении игры`)
-      setBonusProofFile(null)
+      setBonusProofFiles([])
       setBonusProofUrl('')
       setBonusComment('')
       setExpandedBonusId(null)
@@ -965,11 +965,28 @@ export function PlayPage() {
 
                 <div className="mb-4">
                   <p className="text-gray-400 text-sm mb-1">Игра</p>
-                  <p className="text-xl font-bold text-white">
-                    {currentAssignment.is_playthrough
-                      ? currentAssignment.game?.title
-                      : currentAssignment.challenge?.game.title}
-                  </p>
+                  <div className="flex items-center justify-between gap-3 flex-wrap">
+                    <p className="text-xl font-bold text-white">
+                      {currentAssignment.is_playthrough
+                        ? currentAssignment.game?.title
+                        : currentAssignment.challenge?.game.title}
+                    </p>
+                    {(currentAssignment.is_playthrough
+                      ? currentAssignment.game?.download_url
+                      : currentAssignment.challenge?.game.download_url) && (
+                      <a
+                        href={currentAssignment.is_playthrough
+                          ? currentAssignment.game?.download_url
+                          : currentAssignment.challenge?.game.download_url}
+                        target="_blank"
+                        rel="noopener noreferrer"
+                        className="px-3 py-1.5 bg-neon-500/20 text-neon-400 rounded-lg text-sm font-medium border border-neon-500/30 flex items-center gap-1.5 hover:bg-neon-500/30 transition-colors"
+                      >
+                        <Download className="w-4 h-4" />
+                        Скачать игру
+                      </a>
+                    )}
+                  </div>
                 </div>
 
                 {currentAssignment.is_playthrough ? (
@@ -1023,7 +1040,7 @@ export function PlayPage() {
                                 onClick={() => {
                                   if (bonus.status === 'pending') {
                                     setExpandedBonusId(expandedBonusId === bonus.id ? null : bonus.id)
-                                    setBonusProofFile(null)
+                                    setBonusProofFiles([])
                                     setBonusProofUrl('')
                                     setBonusComment('')
                                     if (bonusFileInputRef.current) bonusFileInputRef.current.value = ''
@@ -1062,24 +1079,40 @@ export function PlayPage() {
                                     ref={bonusFileInputRef}
                                     type="file"
                                     accept="image/*,video/*"
+                                    multiple
                                     className="hidden"
                                     onChange={(e) => {
                                       e.stopPropagation()
-                                      validateAndSetFile(e.target.files?.[0] || null, setBonusProofFile, bonusFileInputRef)
+                                      const files = Array.from(e.target.files || [])
+                                      setBonusProofFiles(prev => [...prev, ...files])
+                                      e.target.value = ''
                                     }}
                                   />
-                                  {bonusProofFile ? (
-                                    <div className="flex items-center gap-2 p-2 bg-dark-700/50 rounded-lg border border-dark-600">
-                                      <span className="text-white text-sm flex-1 truncate">{bonusProofFile.name}</span>
+                                  {bonusProofFiles.length > 0 ? (
+                                    <div className="space-y-2">
+                                      {bonusProofFiles.map((file, index) => (
+                                        <div key={index} className="flex items-center gap-2 p-2 bg-dark-700/50 rounded-lg border border-dark-600">
+                                          <span className="text-white text-sm flex-1 truncate">{file.name}</span>
+                                          <button
+                                            onClick={(e) => {
+                                              e.stopPropagation()
+                                              setBonusProofFiles(prev => prev.filter((_, i) => i !== index))
+                                            }}
+                                            className="p-1 rounded text-gray-400 hover:text-white hover:bg-dark-600 transition-colors"
+                                          >
+                                            <X className="w-3 h-3" />
+                                          </button>
+                                        </div>
+                                      ))}
                                       <button
                                         onClick={(e) => {
                                           e.stopPropagation()
-                                          setBonusProofFile(null)
-                                          if (bonusFileInputRef.current) bonusFileInputRef.current.value = ''
+                                          bonusFileInputRef.current?.click()
                                         }}
-                                        className="p-1 rounded text-gray-400 hover:text-white hover:bg-dark-600 transition-colors"
+                                        className="w-full p-2 border border-dashed border-neon-500/30 rounded-lg text-neon-400 hover:border-neon-500/50 hover:bg-neon-500/5 transition-all text-sm flex items-center justify-center gap-2"
                                       >
-                                        <X className="w-3 h-3" />
+                                        <Upload className="w-4 h-4" />
+                                        Добавить еще файл
                                       </button>
                                     </div>
                                   ) : (
@@ -1121,7 +1154,7 @@ export function PlayPage() {
                                         handleBonusComplete(bonus.id)
                                       }}
                                       isLoading={isCompletingBonus}
-                                      disabled={!bonusProofFile && !bonusProofUrl && !bonusComment}
+                                      disabled={bonusProofFiles.length === 0 && !bonusProofUrl && !bonusComment}
                                       icon={<Check className="w-3 h-3" />}
                                     >
                                       Выполнено
@@ -1131,7 +1164,7 @@ export function PlayPage() {
                                       variant="outline"
                                       onClick={(e) => {
                                         e.stopPropagation()
-                                        setBonusProofFile(null)
+                                        setBonusProofFiles([])
                                         setBonusProofUrl('')
                                         setBonusComment('')
                                         setExpandedBonusId(null)
@@ -1202,19 +1235,37 @@ export function PlayPage() {
                       ref={fileInputRef}
                       type="file"
                       accept="image/*,video/*"
+                      multiple
                       className="hidden"
-                      onChange={(e) => validateAndSetFile(e.target.files?.[0] || null, setProofFile, fileInputRef)}
+                      onChange={(e) => {
+                        const files = Array.from(e.target.files || [])
+                        setProofFiles(prev => [...prev, ...files])
+                        // Reset input to allow selecting same files again
+                        e.target.value = ''
+                      }}
                     />
 
-                    {proofFile ? (
-                      <div className="flex items-center gap-2 p-3 bg-dark-700/50 rounded-xl border border-dark-600">
-                        <span className="text-white flex-1 truncate">{proofFile.name}</span>
-                        <button
-                          onClick={() => setProofFile(null)}
-                          className="p-1.5 rounded-lg text-gray-400 hover:text-white hover:bg-dark-600 transition-colors"
+                    {proofFiles.length > 0 ? (
+                      <div className="space-y-2">
+                        {proofFiles.map((file, index) => (
+                          <div key={index} className="flex items-center gap-2 p-3 bg-dark-700/50 rounded-xl border border-dark-600">
+                            <span className="text-white flex-1 truncate">{file.name}</span>
+                            <button
+                              onClick={() => setProofFiles(proofFiles.filter((_, i) => i !== index))}
+                              className="p-1.5 rounded-lg text-gray-400 hover:text-white hover:bg-dark-600 transition-colors"
+                            >
+                              <X className="w-4 h-4" />
+                            </button>
+                          </div>
+                        ))}
+                        <NeonButton
+                          variant="outline"
+                          className="w-full"
+                          onClick={() => fileInputRef.current?.click()}
+                          icon={<Upload className="w-4 h-4" />}
                         >
-                          <X className="w-4 h-4" />
-                        </button>
+                          Добавить ещё файлы
+                        </NeonButton>
                       </div>
                     ) : (
                       <div>
@@ -1224,10 +1275,10 @@ export function PlayPage() {
                           onClick={() => fileInputRef.current?.click()}
                           icon={<Upload className="w-4 h-4" />}
                         >
-                          Выбрать файл
+                          Выбрать файлы
                         </NeonButton>
                         <p className="text-xs text-gray-500 mt-2 text-center">
-                          Макс. 15 МБ для изображений, 30 МБ для видео
+                          Можно выбрать несколько файлов. Макс. 15 МБ для изображений, 30 МБ для видео
                         </p>
                       </div>
                     )}
@@ -1257,8 +1308,8 @@ export function PlayPage() {
                     onClick={handleComplete}
                     isLoading={isCompleting}
                     disabled={currentAssignment.is_playthrough
-                      ? (!proofFile && !proofUrl && !comment)
-                      : (!proofFile && !proofUrl)
+                      ? (proofFiles.length === 0 && !proofUrl && !comment)
+                      : (proofFiles.length === 0 && !proofUrl)
                     }
                     icon={<Check className="w-4 h-4" />}
                   >

frontend/src/types/index.ts

@@ -154,6 +154,7 @@ export interface GameShort {
   id: number
   title: string
   cover_url: string | null
+  download_url?: string
   game_type?: GameType
 }
 
@@ -226,7 +227,8 @@ export interface BonusAssignment {
   challenge: Challenge
   status: BonusAssignmentStatus
   proof_url: string | null
-  proof_image_url: string | null
+  proof_image_url: string | null  // Legacy, for backward compatibility
+  proof_files?: ProofFile[]  // Multiple uploaded files
   proof_comment: string | null
   points_earned: number
   completed_at: string | null
@@ -614,6 +616,13 @@ export interface Dispute {
   resolved_at: string | null
 }
 
+export interface ProofFile {
+  id: number
+  file_type: 'image' | 'video'
+  order_index: number
+  created_at: string
+}
+
 export interface AssignmentDetail {
   id: number
   challenge: Challenge | null  // null for playthrough
@@ -623,7 +632,8 @@ export interface AssignmentDetail {
   participant: User
   status: AssignmentStatus
   proof_url: string | null
-  proof_image_url: string | null
+  proof_image_url: string | null  // Legacy, for backward compatibility
+  proof_files: ProofFile[]  // Multiple uploaded files
   proof_comment: string | null
   points_earned: number
   streak_at_completion: number | null