Add 3 roles, settings for marathons

backend/app/schemas/marathon.py

@@ -12,16 +12,21 @@ class MarathonBase(BaseModel):
 class MarathonCreate(MarathonBase):
     start_date: datetime
     duration_days: int = Field(default=30, ge=1, le=365)
+    is_public: bool = False
+    game_proposal_mode: str = Field(default="all_participants", pattern="^(all_participants|organizer_only)$")
 
 
 class MarathonUpdate(BaseModel):
     title: str | None = Field(None, min_length=1, max_length=100)
     description: str | None = None
     start_date: datetime | None = None
+    is_public: bool | None = None
+    game_proposal_mode: str | None = Field(None, pattern="^(all_participants|organizer_only)$")
 
 
 class ParticipantInfo(BaseModel):
     id: int
+    role: str = "participant"
     total_points: int
     current_streak: int
     drop_count: int
@@ -37,9 +42,11 @@ class ParticipantWithUser(ParticipantInfo):
 
 class MarathonResponse(MarathonBase):
     id: int
-    organizer: UserPublic
+    creator: UserPublic
     status: str
     invite_code: str
+    is_public: bool
+    game_proposal_mode: str
     start_date: datetime | None
     end_date: datetime | None
     participants_count: int
@@ -51,10 +58,15 @@ class MarathonResponse(MarathonBase):
         from_attributes = True
 
 
+class SetParticipantRole(BaseModel):
+    role: str = Field(..., pattern="^(participant|organizer)$")
+
+
 class MarathonListItem(BaseModel):
     id: int
     title: str
     status: str
+    is_public: bool
     participants_count: int
     start_date: datetime | None
     end_date: datetime | None