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

scripts/world_list.gd

@@ -1,4 +1,7 @@
 extends Control
+
+const WorldBriefingModal = preload("res://scripts/world_briefing_modal.gd")
+
 ## World list screen — browses public worlds via GET /api/worlds.
 ##
 ## Displays a scrollable list of world cards (name + description).
@@ -131,6 +134,27 @@ func _build_create_world_modal() -> Control:
 	desc_input.text = "A creative build world"
 	form.add_child(desc_input)
 
+	var tags_lbl := Label.new()
+	tags_lbl.text = "Content Tags (comma separated):"
+	tags_lbl.add_theme_font_size_override("font_size", 14)
+	form.add_child(tags_lbl)
+
+	var tags_input := LineEdit.new()
+	tags_input.placeholder_text = "e.g. Building, Roleplay, Chill, Parkour"
+	tags_input.text = "Building, Creative"
+	form.add_child(tags_input)
+
+	var guide_lbl := Label.new()
+	guide_lbl.text = "World Guidelines & Rules / Disclaimer:"
+	guide_lbl.add_theme_font_size_override("font_size", 14)
+	form.add_child(guide_lbl)
+
+	var guide_input := TextEdit.new()
+	guide_input.custom_minimum_size = Vector2(0, 60)
+	guide_input.placeholder_text = "Specify rules, content notices, or disclaimers for players..."
+	guide_input.text = "Welcome! Be respectful to fellow builders and enjoy creating."
+	form.add_child(guide_input)
+
 	var err_label := Label.new()
 	err_label.add_theme_font_size_override("font_size", 13)
 	err_label.add_theme_color_override("font_color", Color(1.0, 0.4, 0.4))
@@ -168,7 +192,21 @@ func _build_create_world_modal() -> Control:
 		err_label.add_theme_color_override("font_color", Color(0.8, 0.8, 0.8))
 		err_label.visible = true
 
-		var res: Dictionary = await ApiClient.create_world(wname, desc_input.text.strip_edges())
+		var raw_tags := tags_input.text.split(",")
+		var clean_tags: Array = []
+		for t in raw_tags:
+			var st := t.strip_edges()
+			if not st.is_empty():
+				clean_tags.append(st)
+
+		var res: Dictionary = await ApiClient.create_world(
+			wname,
+			desc_input.text.strip_edges(),
+			"public",
+			"Building",
+			clean_tags,
+			guide_input.text.strip_edges()
+		)
 		if not res.get("ok", false):
 			create_btn.disabled = false
 			create_edit_btn.disabled = false
@@ -193,6 +231,7 @@ func _build_create_world_modal() -> Control:
 	return overlay
 
 
+
 func _on_refresh_button_pressed() -> void:
 	_refresh_worlds()
 
@@ -328,7 +367,7 @@ func _create_world_card(world_dict: Dictionary) -> Control:
 	var enter_button := Button.new()
 	enter_button.text = "Enter World"
 	enter_button.size_flags_horizontal = Control.SIZE_SHRINK_BEGIN
-	enter_button.pressed.connect(_on_enter_world_pressed.bind(world_id, enter_button))
+	enter_button.pressed.connect(func(): _show_world_briefing(world_dict, enter_button))
 
 	var buttons_row := HBoxContainer.new()
 	buttons_row.add_child(enter_button)
@@ -353,7 +392,23 @@ func _create_world_card(world_dict: Dictionary) -> Control:
 	return panel
 
 
+func _show_world_briefing(world_dict: Dictionary, button: Button) -> void:
+	var modal := WorldBriefingModal.new()
+	var wid: int = int(world_dict.get("id", 0))
+	modal.setup_world_data(
+		wid,
+		str(world_dict.get("name", "World")),
+		str(world_dict.get("owner_username", "")),
+		str(world_dict.get("content_guidelines", "")),
+		world_dict.get("tags", []),
+		int(world_dict.get("play_count", 0))
+	)
+	modal.entered_confirmed.connect(func(target_wid: int): _on_enter_world_pressed(target_wid, button))
+	add_child(modal)
+
+
 func _on_enter_world_pressed(world_id: int, button: Button) -> void:
+
 	button.disabled = true
 	button.text = "Joining…"