Complete M11 Creator Studio and M12 Trust & Safety for PC5

- Creator Studio: Visual behavior & property inspector, GLB model importer, binary persistence
- Trust & Safety: 18+ TOS confirmation (DOB removed), creator guidelines & briefing card on join, in-game reporting HUD
- Test Harness: Add --filter, --skip-backend, --skip-godot to run_checkpoint_tests.py

backend/app/routers/worlds.py

@@ -29,6 +29,7 @@ class WorldCreate(BaseModel):
     visibility: WorldVisibility = WorldVisibility.PUBLIC
     category: str | None = None
     tags: list[str] | None = None
+    content_guidelines: str | None = None
 
 
 class WorldUpdate(BaseModel):
@@ -38,6 +39,7 @@ class WorldUpdate(BaseModel):
     visibility: WorldVisibility | None = None
     category: str | None = None
     tags: list[str] | None = None
+    content_guidelines: str | None = None
 
 
 class WorldResponse(BaseModel):
@@ -48,6 +50,7 @@ class WorldResponse(BaseModel):
     visibility: WorldVisibility
     category: str | None = None
     tags: list[str] | None = None
+    content_guidelines: str | None = None
     play_count: int = 0
     last_played_at: datetime | None = None
     owner_id: int
@@ -57,6 +60,7 @@ class WorldResponse(BaseModel):
 
 
 
+
 # --- Endpoints ---
 
 @router.get("/", response_model=list[WorldResponse])
@@ -170,8 +174,10 @@ async def create_world(
         visibility=world_data.visibility,
         category=world_data.category,
         tags=world_data.tags or [],
+        content_guidelines=world_data.content_guidelines,
     )
 
+
     db.add(world)
     await db.flush()  # assigns world.id, needed for the room's FK
     await WorldStore(db).get_or_create_main_room(world.id)