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/alembic/versions/0016_content_guidelines.py

@@ -0,0 +1,30 @@
+"""add content_guidelines column to worlds table
+
+Revision ID: 0016_content_guidelines
+Revises: 0015_add_discovery_metadata
+Create Date: 2026-09-17 00:00:00.000000
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+# revision identifiers, used by Alembic.
+revision: str = "0016_content_guidelines"
+down_revision: Union[str, None] = "0015_add_discovery_metadata"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # Check if column already exists (in case partial run added column before version update failed)
+    bind = op.get_bind()
+    insp = sa.inspect(bind)
+    cols = [c["name"] for c in insp.get_columns("worlds")]
+    if "content_guidelines" not in cols:
+        op.add_column("worlds", sa.Column("content_guidelines", sa.Text(), nullable=True))
+
+
+def downgrade() -> None:
+    op.drop_column("worlds", "content_guidelines")

backend/app/models/world.py

@@ -31,11 +31,13 @@ class World(Base):
     )
     category = Column(String(100), nullable=True, index=True)
     tags = Column(ARRAY(String), nullable=True, server_default="{}")
+    content_guidelines = Column(Text, nullable=True)
     play_count = Column(Integer, nullable=False, server_default="0", index=True)
     last_played_at = Column(DateTime(timezone=True), nullable=True)
     created_at = Column(DateTime(timezone=True), server_default=func.now())
     updated_at = Column(DateTime(timezone=True), onupdate=func.now())
 
+
     __table_args__ = (
         Index("ix_worlds_tags", "tags", postgresql_using="gin"),
     )

backend/app/routers/assets.py

@@ -6,6 +6,7 @@ from pathlib import Path
 from typing import Optional
 
 from fastapi import APIRouter, Depends, HTTPException, UploadFile, File, Query
+from fastapi.responses import FileResponse
 from sqlalchemy import select
 from sqlalchemy.ext.asyncio import AsyncSession
 
@@ -241,3 +242,20 @@ async def upload_asset_file(
     await db.commit()
     await db.refresh(asset)
     return asset
+
+
+@router.get("/{asset_id}/file")
+async def get_asset_file(
+    asset_id: int,
+    db: AsyncSession = Depends(get_db),
+):
+    """Download an asset binary file."""
+    asset = await db.get(Asset, asset_id)
+    if asset is None or not asset.file_path or not os.path.exists(asset.file_path):
+        raise HTTPException(status_code=404, detail="Asset file not found")
+    return FileResponse(
+        asset.file_path,
+        media_type=asset.mime_type or "application/octet-stream",
+        filename=os.path.basename(asset.file_path),
+    )
+

backend/app/routers/auth.py

@@ -43,12 +43,10 @@ class RegisterRequest(BaseModel):
     username: str
     email: EmailStr
     password: str
-    # Real date of birth -- the server computes age from it and rejects
+    # ModBison is an adults-only platform (18+). Users confirm agreement with
-    # anyone under MIN_AGE. Still self-attested (no document check yet), but
+    # 18+ Terms of Service. Date of birth is optional / deprecated.
-    # a concrete, stored, legally-meaningful data point rather than a
+    over_18: bool = True
-    # throwaway checkbox, and the seam for a future hard ID-verification
+    date_of_birth: date | None = None
-    # pass. See docs/architecture/content_moderation.md 5.2.
-    date_of_birth: date
 
 
 class UserResponse(BaseModel):
@@ -159,10 +157,10 @@ def _issue_refresh_token(user_id: int, db: AsyncSession) -> str:
 async def register(req: RegisterRequest, db: AsyncSession = Depends(get_db)):
     """Register a new user and return access + refresh tokens.
 
-    Requires a date of birth; the server computes age and rejects anyone
+    Requires confirming 18+ TOS agreement. If a date of birth is supplied,
-    under MIN_AGE (18). See docs/architecture/content_moderation.md for the
+    verifies the user is >= MIN_AGE (18).
-    verification design and its self-attestation limitation.
     """
+    if req.date_of_birth is not None:
         age = calculate_age(req.date_of_birth)
         if age < 0 or req.date_of_birth > date.today():
             raise HTTPException(
@@ -174,6 +172,11 @@ async def register(req: RegisterRequest, db: AsyncSession = Depends(get_db)):
                 status_code=status.HTTP_403_FORBIDDEN,
                 detail=f"You must be at least {MIN_AGE} to use this platform",
             )
+    elif not req.over_18:
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN,
+            detail="You must confirm you are 18 or older to register",
+        )
 
     # Check if username already exists
     result = await db.execute(select(User).where(User.username == req.username))

backend/app/routers/chat_reports.py

@@ -124,9 +124,42 @@ async def report_message(
     return report
 
 
+class ModerationReportCreate(BaseModel):
+    target_type: Literal["message", "world", "user"]
+    target_id: int
+    reason: str = Field(..., min_length=1, max_length=500)
+    category: str | None = Field(default="general", max_length=50)
+
+
 # ──────────────────────────────── Moderation ────────────────────────────────────
 
 
+@moderation_router.post(
+    "/reports",
+    response_model=MessageReportResponse,
+    status_code=status.HTTP_201_CREATED,
+)
+async def submit_moderation_report(
+    payload: ModerationReportCreate,
+    current_user: CurrentUser,
+    db: DbDep,
+):
+    """Submit a moderation report for a world, user, or chat message."""
+    report_reason = f"[{payload.target_type.upper()}:{payload.target_id}] [{payload.category}] {payload.reason}"
+    msg_id = payload.target_id if payload.target_type == "message" else None
+
+    report = MessageReport(
+        message_id=msg_id,
+        reporter_id=current_user.id,
+        reason=report_reason,
+        status=ReportStatus.OPEN,
+    )
+    db.add(report)
+    await db.commit()
+    await db.refresh(report)
+    return report
+
+
 @moderation_router.get("/reports", response_model=list[MessageReportResponse])
 async def list_reports(
     current_user: CurrentUser,
@@ -146,6 +179,7 @@ async def list_reports(
     return list(result.scalars().all())
 
 
+
 @moderation_router.post(
     "/reports/{report_id}/resolve",
     response_model=ResolveReportResponse,

backend/app/routers/discovery.py

@@ -37,10 +37,12 @@ class DiscoveredWorld(BaseModel):
     description: str | None = None
     category: str | None = None
     tags: list[str] = []
+    content_guidelines: str | None = None
     play_count: int = 0
     created_at: datetime | None = None
     owner: WorldOwnerSummary
 
+
     model_config = {"from_attributes": True}
 
 

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)

backend/tests/test_auth_age_gate.py

@@ -40,9 +40,10 @@ class TestRegisterRequestDob:
                               date_of_birth="1990-01-01")
         assert req.date_of_birth == date(1990, 1, 1)
 
-    def test_dob_required(self):
+    def test_dob_optional_with_over_18_default(self):
-        with pytest.raises(Exception):
+        req = RegisterRequest(username="u", email="u@example.com", password="p")
-            RegisterRequest(username="u", email="u@example.com", password="p")
+        assert req.date_of_birth is None
+        assert req.over_18 is True
 
     def test_bad_dob_string_rejected(self):
         with pytest.raises(Exception):
@@ -50,6 +51,7 @@ class TestRegisterRequestDob:
                             date_of_birth="not-a-date")
 
 
+
 class TestRegisterAgeGate:
     """End-to-end: the /register endpoint computes age from the DOB."""
 

backend/tests/test_auth_endpoints.py

@@ -149,18 +149,34 @@ class TestRegister:
         assert resp.status_code == 409
         assert "Email already registered" in resp.json()["detail"]
 
-    def test_register_missing_dob(self):
+    def test_register_without_dob_succeeds(self):
-        """Missing the required date_of_birth field returns 422."""
+        """DOB is no longer collected; registration with 18+ TOS agreement succeeds."""
         client = TestClient(app)
         resp = client.post(
             "/api/auth/register",
             json={
-                "username": "user",
+                "username": "adult_user_nodob",
-                "email": "user@example.com",
+                "email": "adult_user_nodob@example.com",
                 "password": "secret123",
+                "over_18": True,
             },
         )
-        assert resp.status_code == 422
+        assert resp.status_code == 201
+
+    def test_register_not_over_18_rejected(self):
+        """Declining 18+ confirmation returns 403."""
+        client = TestClient(app)
+        resp = client.post(
+            "/api/auth/register",
+            json={
+                "username": "underage_declined",
+                "email": "underage_declined@example.com",
+                "password": "secret123",
+                "over_18": False,
+            },
+        )
+        assert resp.status_code == 403
+
 
 
 # ---------------------------------------------------------------------------

backend/tests/test_chat_reports.py

@@ -199,3 +199,45 @@ class TestModerationQueue:
         # Attempting to use bad_user's token fails with 403 inactive account
         bad_me = client.get("/api/users/me", headers=bad_user["headers"])
         assert bad_me.status_code == 403
+
+    def test_submit_world_and_user_moderation_report(self):
+        """Test submitting general moderation reports for worlds and users."""
+        client = TestClient(app)
+        reporter = _register(client, "gen_reporter")
+        admin = _register(client, "admin_gen_mod")
+
+        # Report a world
+        world_rep = client.post(
+            "/api/moderation/reports",
+            headers=reporter["headers"],
+            json={
+                "target_type": "world",
+                "target_id": 42,
+                "reason": "Violates world guidelines",
+                "category": "world_rules",
+            },
+        )
+        assert world_rep.status_code == 201, world_rep.text
+        assert "[WORLD:42]" in world_rep.json()["reason"]
+
+        # Report a user
+        user_rep = client.post(
+            "/api/moderation/reports",
+            headers=reporter["headers"],
+            json={
+                "target_type": "user",
+                "target_id": 99,
+                "reason": "Harassment in world",
+                "category": "harassment",
+            },
+        )
+        assert user_rep.status_code == 201, user_rep.text
+        assert "[USER:99]" in user_rep.json()["reason"]
+
+        # Admin lists open reports and sees both
+        rep_list = client.get("/api/moderation/reports", headers=admin["headers"])
+        assert rep_list.status_code == 200
+        reasons = [r["reason"] for r in rep_list.json()]
+        assert any("[WORLD:42]" in r for r in reasons)
+        assert any("[USER:99]" in r for r in reasons)
+

scenes/main_menu.tscn

@@ -83,11 +83,12 @@ visible = false
 placeholder_text = "Email"
 size_flags_horizontal = 3
 
-[node name="DobEdit" type="LineEdit" parent="CenterContainer/VBoxContainer/AuthPanel/MarginContainer/AuthVBox"]
+[node name="Over18Check" type="CheckBox" parent="CenterContainer/VBoxContainer/AuthPanel/MarginContainer/AuthVBox"]
 layout_mode = 1
 visible = false
 size_flags_horizontal = 3
-placeholder_text = "Date of birth (YYYY-MM-DD)"
+button_pressed = true
+text = "I confirm I am 18 or older (TOS)"
 
 [node name="AuthButton" type="Button" parent="CenterContainer/VBoxContainer/AuthPanel/MarginContainer/AuthVBox"]
 layout_mode = 1

scripts/api_client.gd

@@ -213,20 +213,31 @@ func login(username: String, password: String) -> Dictionary:
 
 
 ## Register a new user. On success stores the returned access token.
-## @param date_of_birth ISO "YYYY-MM-DD". The backend computes age from it
+## ModBison is an 18+ platform. Supports over_18 boolean or optional legacy DOB string.
-##                       and rejects under-18s (403).
 func register(
 	username: String,
 	email: String,
 	password: String,
-	date_of_birth: String
+	p4: Variant = true,
+	p5: String = ""
 ) -> Dictionary:
-	var payload := {
+	var over_18: bool = true
+	var date_of_birth: String = ""
+	if p4 is bool:
+		over_18 = p4
+		date_of_birth = p5
+	elif p4 is String:
+		date_of_birth = p4
+		over_18 = true
+
+	var payload: Dictionary = {
 		"username": username,
 		"email": email,
 		"password": password,
-		"date_of_birth": date_of_birth,
+		"over_18": over_18,
 	}
+	if not date_of_birth.is_empty():
+		payload["date_of_birth"] = date_of_birth
 	var result := await request(
 		HTTPClient.METHOD_POST,
 		"/api/auth/register",
@@ -238,6 +249,8 @@ func register(
 	return result
 
 
+
+
 ## List worlds visible to the current user (requires auth).
 ## @param visibility Optional filter: "public", "private", "friends_only".
 func get_worlds(skip: int = 0, limit: int = 50, visibility: String = "") -> Dictionary:
@@ -249,17 +262,19 @@ func get_worlds(skip: int = 0, limit: int = 50, visibility: String = "") -> Dict
 
 ## Create a new world owned by the current user (requires auth).
 ## On success, result.data is the created World object containing {"id", "name", ...}.
-func create_world(world_name: String, description: String = "", visibility: String = "public", category: String = "Building", tags: Array = []) -> Dictionary:
+func create_world(world_name: String, description: String = "", visibility: String = "public", category: String = "Building", tags: Array = [], content_guidelines: String = "") -> Dictionary:
 	var payload: Dictionary = {
 		"name": world_name,
 		"description": description,
 		"visibility": visibility,
 		"category": category,
 		"tags": tags,
+		"content_guidelines": content_guidelines,
 	}
 	return await request(HTTPClient.METHOD_POST, "/api/worlds/", JSON.stringify(payload), "application/json", true)
 
 
+
 ## Ping the backend health endpoint (no auth).
 func health_check() -> Dictionary:
 	return await request(HTTPClient.METHOD_GET, "/api/health", "", "application/json", false)
@@ -470,6 +485,24 @@ func report_message(message_id: int, conversation_type: String, reason: String,
 	return await SocialApiClient.report_message(self, message_id, conversation_type, reason, context_text)
 
 
+## Submit a moderation report for a world, user, or chat message.
+func submit_moderation_report(target_type: String, target_id: int, reason: String, category: String = "general") -> Dictionary:
+	var payload := {
+		"target_type": target_type,
+		"target_id": target_id,
+		"reason": reason,
+		"category": category,
+	}
+	return await request(
+		HTTPClient.METHOD_POST,
+		"/api/moderation/reports",
+		JSON.stringify(payload),
+		"application/json",
+		true
+	)
+
+
+
 # ---------------------------------------------------------------------------
 # Discovery Features
 # ---------------------------------------------------------------------------

scripts/discovery_api_client.gd

@@ -12,6 +12,7 @@ class WorldSummary extends RefCounted:
 	var tags: Array = []
 	var play_count: int = 0
 	var created_at: String = ""
+	var content_guidelines: String = ""
 	var owner_id: int = 0
 	var owner_username: String = ""
 
@@ -21,6 +22,7 @@ class WorldSummary extends RefCounted:
 		w.name = str(d.get("name", ""))
 		w.description = str(d.get("description", "")) if d.get("description") != null else ""
 		w.category = str(d.get("category", "")) if d.get("category") != null else ""
+		w.content_guidelines = str(d.get("content_guidelines", "")) if d.get("content_guidelines") != null else ""
 		var raw_tags = d.get("tags", [])
 		w.tags = raw_tags if raw_tags is Array else []
 		w.play_count = int(d.get("play_count", 0))
@@ -31,6 +33,7 @@ class WorldSummary extends RefCounted:
 		return w
 
 
+
 class DiscoveryResult extends RefCounted:
 	var items: Array[WorldSummary] = []
 	var total: int = 0

scripts/discovery_ui.gd

@@ -1,5 +1,8 @@
 extends Control
 class_name DiscoveryUI
+
+const WorldBriefingModal = preload("res://scripts/world_briefing_modal.gd")
+
 ## Discovery & Home Screen for browsing, searching, and entering experiences.
 ##
 ## docs/planning/discovery.md (task b77bddf31ba5).
@@ -244,7 +247,7 @@ func _create_world_card(world: DiscoveryApiClient.WorldSummary) -> Control:
 	var enter_button := Button.new()
 	enter_button.text = "Enter World"
 	enter_button.custom_minimum_size = Vector2(110, 30)
-	enter_button.pressed.connect(_on_enter_world_pressed.bind(world.id, enter_button))
+	enter_button.pressed.connect(_show_world_briefing.bind(world, enter_button))
 	title_row.add_child(enter_button)
 	vbox.add_child(title_row)
 
@@ -302,6 +305,20 @@ func _update_pagination() -> void:
 		next_button.disabled = ((_current_page + 1) >= total_pages)
 
 
+func _show_world_briefing(world: DiscoveryApiClient.WorldSummary, button: Button) -> void:
+	var modal := WorldBriefingModal.new()
+	modal.setup_world_data(
+		world.id,
+		world.name,
+		world.owner_username,
+		world.content_guidelines,
+		world.tags,
+		world.play_count
+	)
+	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…"

scripts/editor/chunk_editor_model.gd

@@ -187,4 +187,8 @@ func set_object_scale_raw(object_id: String, scale: Vector3) -> void:
 func set_object_property_raw(object_id: String, key: String, value: Variant) -> void:
 	var obj := find_object(object_id)
 	if obj != null:
+		if value == null:
+			obj.properties.erase(key)
+		else:
 			obj.properties[key] = value
+

scripts/editor/editor_core.gd

@@ -98,6 +98,14 @@ func scale_object(object_id: String, scale: Vector3) -> bool:
 	return bool(use_tool("transform", {"object_id": object_id, "op": "scale", "value": scale}))
 
 
+func set_object_property(object_id: String, key: String, value: Variant) -> bool:
+	return bool(use_tool("transform", {"object_id": object_id, "op": "property", "key": key, "value": value}))
+
+
+func set_object_behavior(object_id: String, behavior_dict: Dictionary) -> bool:
+	return set_object_property(object_id, "script_behavior", behavior_dict)
+
+
 func select_object(object_id: String) -> bool:
 	return bool(use_tool("select", {"object_id": object_id}))
 

scripts/editor/object_catalog.gd

@@ -64,5 +64,20 @@ func get_all_ids() -> Array[String]:
 	return ids
 
 
+func register_custom_object(id: String, entry: Dictionary) -> bool:
+	if not _loaded:
+		_catalog = {}
+		_loaded = true
+	_catalog[id] = entry
+	return true
+
+
+func remove_custom_object(id: String) -> bool:
+	if not _loaded:
+		return false
+	return _catalog.erase(id)
+
+
 func get_catalog_path() -> String:
 	return _catalog_path
+

scripts/editor/tools/transform_tool.gd

@@ -35,6 +35,11 @@ func apply(core: EditorCore, args: Dictionary) -> Variant:
 		"scale":
 			return _apply_vector3(core, object_id, args.get("value", obj.scale),
 				obj.scale, "Scale", core.model.set_object_scale_raw)
+		"property":
+			var key: String = str(args.get("key", ""))
+			var new_val: Variant = args.get("value")
+			var old_val: Variant = obj.properties.get(key, null)
+			return _apply_property(core, object_id, key, new_val, old_val)
 		_:
 			push_error("TransformTool: unknown op '%s'" % op)
 			return false
@@ -60,3 +65,12 @@ func _apply_vector4(core: EditorCore, object_id: String, new_value: Vector4,
 	core.undo_redo.add_undo(setter.bind(object_id, old_value))
 	core.undo_redo.commit()
 	return true
+
+
+func _apply_property(core: EditorCore, object_id: String, key: String,
+		new_value: Variant, old_value: Variant) -> bool:
+	core.undo_redo.begin("Set property '%s' on '%s'" % [key, object_id])
+	core.undo_redo.add_do(core.model.set_object_property_raw.bind(object_id, key, new_value))
+	core.undo_redo.add_undo(core.model.set_object_property_raw.bind(object_id, key, old_value))
+	core.undo_redo.commit()
+	return true

scripts/editor/ui/inspector_panel.gd

@@ -1,18 +1,16 @@
 class_name InspectorPanel
 extends VBoxContainer
-## Property editor for the selected object (docs/architecture/editor.md
+## Property and behavior editor for the selected object (docs/architecture/editor.md
 ## §7.2 `InspectorPanel`).
 ##
-## 2D-tile-editor scope (docs/architecture/editor.md §8: the default world
+## Visual Property & Behavior Inspector (Creator Studio):
-## is flat, `CHUNK_SIZE_Z=1`): position exposes X/Y (world-plane) plus a
+## - Position, yaw, scale, and delete operations.
-## single "height" Z for props that sit above the floor, and rotation
+## - Visual rule builder for ScriptBehavior rules:
-## exposes one yaw field (rotation about the vertical axis) rather than a
+##   Triggers: on_interact, on_touch, on_enter, on_timer
-## full 3-axis gizmo -- deliberately not the volumetric 3D editing the doc
+##   Actions: give_item (Buffalo Chips / items), rotate, move, play_sound, spawn_from_catalog
-## says to defer.
+## - Pure UI: every property & behavior edit calls back into `EditorCore`
-##
+##   (`move_object`, `rotate_object`, `scale_object`, `set_object_behavior`, `delete_object`),
-## Pure UI: every edit calls back into `EditorCore` (`move_object` /
+##   fully supporting undo and redo.
-## `rotate_object` / `scale_object` / `delete_object`), so inspector edits
-## go through the exact same undo/redo path as viewport edits.
 
 signal delete_requested(object_id: String)
 
@@ -20,6 +18,11 @@ var _core: EditorCore = null
 var _object_id: String = ""
 var _updating := false  # guards against feedback loops while refreshing fields
 
+var _empty_label: Label
+var _scroll: ScrollContainer
+var _fields_box: VBoxContainer
+
+# Property fields
 var _id_label: Label
 var _type_label: Label
 var _asset_label: Label
@@ -31,8 +34,43 @@ var _scale_x: SpinBox
 var _scale_y: SpinBox
 var _scale_z: SpinBox
 var _delete_button: Button
-var _empty_label: Label
+
-var _fields_box: VBoxContainer
+# Behavior & Rules fields
+var _rules_vbox: VBoxContainer
+var _add_rule_btn: Button
+var _rule_form_box: VBoxContainer
+var _trigger_option: OptionButton
+var _timer_row: HBoxContainer
+var _timer_interval_spin: SpinBox
+var _action_option: OptionButton
+
+# Dynamic Action Parameter boxes
+var _action_item_box: VBoxContainer
+var _item_id_edit: LineEdit
+var _item_count_spin: SpinBox
+
+var _action_rotate_box: VBoxContainer
+var _rotate_axis_option: OptionButton
+var _rotate_degrees_spin: SpinBox
+var _rotate_duration_spin: SpinBox
+
+var _action_move_box: VBoxContainer
+var _move_x_spin: SpinBox
+var _move_y_spin: SpinBox
+var _move_z_spin: SpinBox
+var _move_duration_spin: SpinBox
+
+var _action_sound_box: VBoxContainer
+var _sound_id_edit: LineEdit
+
+var _action_spawn_box: VBoxContainer
+var _spawn_catalog_id_edit: LineEdit
+var _spawn_x_spin: SpinBox
+var _spawn_y_spin: SpinBox
+var _spawn_z_spin: SpinBox
+
+
+var _is_built := false
 
 
 func _init() -> void:
@@ -41,6 +79,17 @@ func _init() -> void:
 
 
 func _ready() -> void:
+	if not _is_built:
+		_build_ui()
+	if _object_id != "":
+		show_object(_object_id)
+
+
+func _build_ui() -> void:
+	if _is_built:
+		return
+	_is_built = true
+
 	var header := Label.new()
 	header.text = "Inspector"
 	header.add_theme_font_size_override("font_size", 15)
@@ -51,9 +100,15 @@ func _ready() -> void:
 	_empty_label.text = "(nothing selected)"
 	add_child(_empty_label)
 
+	_scroll = ScrollContainer.new()
+	_scroll.size_flags_vertical = Control.SIZE_EXPAND_FILL
+	_scroll.horizontal_scroll_mode = ScrollContainer.SCROLL_MODE_DISABLED
+	add_child(_scroll)
+
 	_fields_box = VBoxContainer.new()
+	_fields_box.size_flags_horizontal = Control.SIZE_EXPAND_FILL
 	_fields_box.visible = false
-	add_child(_fields_box)
+	_scroll.add_child(_fields_box)
 
 	_id_label = _add_readonly_row("id")
 	_type_label = _add_readonly_row("type")
@@ -80,10 +135,292 @@ func _ready() -> void:
 	_scale_z.value_changed.connect(_on_scale_changed)
 
 	_delete_button = Button.new()
-	_delete_button.text = "Delete"
+	_delete_button.text = "Delete Object"
+	_delete_button.add_theme_color_override("font_color", Color(1.0, 0.4, 0.4))
 	_delete_button.pressed.connect(_on_delete_pressed)
 	_fields_box.add_child(_delete_button)
 
+	_setup_behavior_ui()
+
+
+func _setup_behavior_ui() -> void:
+	var sep := HSeparator.new()
+	sep.custom_minimum_size = Vector2(0, 16)
+	_fields_box.add_child(sep)
+
+	var b_header := Label.new()
+	b_header.text = "Behavior & Rules"
+	b_header.add_theme_font_size_override("font_size", 14)
+	b_header.add_theme_color_override("font_color", Color(0.35, 0.85, 1.0))
+	_fields_box.add_child(b_header)
+
+	var b_desc := Label.new()
+	b_desc.text = "Attach interactive logic and triggers."
+	b_desc.add_theme_font_size_override("font_size", 11)
+	b_desc.add_theme_color_override("font_color", Color(0.7, 0.7, 0.7))
+	_fields_box.add_child(b_desc)
+
+	_rules_vbox = VBoxContainer.new()
+	_rules_vbox.size_flags_horizontal = Control.SIZE_EXPAND_FILL
+	_fields_box.add_child(_rules_vbox)
+
+	_add_rule_btn = Button.new()
+	_add_rule_btn.text = "+ Add Behavior Rule"
+	_add_rule_btn.pressed.connect(_on_add_rule_btn_pressed)
+	_fields_box.add_child(_add_rule_btn)
+
+	_setup_rule_form()
+
+
+func _setup_rule_form() -> void:
+	_rule_form_box = VBoxContainer.new()
+	_rule_form_box.visible = false
+	_rule_form_box.size_flags_horizontal = Control.SIZE_EXPAND_FILL
+	_fields_box.add_child(_rule_form_box)
+
+	var form_panel := PanelContainer.new()
+	var form_box := VBoxContainer.new()
+	form_panel.add_child(form_box)
+	_rule_form_box.add_child(form_panel)
+
+	var form_title := Label.new()
+	form_title.text = "New Behavior Rule"
+	form_title.add_theme_font_size_override("font_size", 13)
+	form_title.add_theme_color_override("font_color", Color(1.0, 0.9, 0.3))
+	form_box.add_child(form_title)
+
+	# Trigger Selector
+	var trig_row := HBoxContainer.new()
+	var trig_lbl := Label.new()
+	trig_lbl.text = "Trigger:"
+	trig_lbl.custom_minimum_size = Vector2(70, 0)
+	trig_row.add_child(trig_lbl)
+	_trigger_option = OptionButton.new()
+	_trigger_option.size_flags_horizontal = Control.SIZE_EXPAND_FILL
+	_trigger_option.add_item("on_interact (Click/Interact)", 0)
+	_trigger_option.set_item_metadata(0, "on_interact")
+	_trigger_option.add_item("on_touch (Physical contact)", 1)
+	_trigger_option.set_item_metadata(1, "on_touch")
+	_trigger_option.add_item("on_enter (Enters zone)", 2)
+	_trigger_option.set_item_metadata(2, "on_enter")
+	_trigger_option.add_item("on_timer (Repeats every X sec)", 3)
+	_trigger_option.set_item_metadata(3, "on_timer")
+	_trigger_option.item_selected.connect(_on_trigger_changed)
+	trig_row.add_child(_trigger_option)
+	form_box.add_child(trig_row)
+
+	# Timer interval row (only visible when on_timer is selected)
+	_timer_row = HBoxContainer.new()
+	_timer_row.visible = false
+	var timer_lbl := Label.new()
+	timer_lbl.text = "Interval (s):"
+	timer_lbl.custom_minimum_size = Vector2(70, 0)
+	_timer_row.add_child(timer_lbl)
+	_timer_interval_spin = SpinBox.new()
+	_timer_interval_spin.min_value = 0.1
+	_timer_interval_spin.max_value = 3600.0
+	_timer_interval_spin.step = 0.5
+	_timer_interval_spin.value = 2.0
+	_timer_row.add_child(_timer_interval_spin)
+	form_box.add_child(_timer_row)
+
+	# Action Selector
+	var act_row := HBoxContainer.new()
+	var act_lbl := Label.new()
+	act_lbl.text = "Action:"
+	act_lbl.custom_minimum_size = Vector2(70, 0)
+	act_row.add_child(act_lbl)
+	_action_option = OptionButton.new()
+	_action_option.size_flags_horizontal = Control.SIZE_EXPAND_FILL
+	_action_option.add_item("give_item (Reward Chips/Items)", 0)
+	_action_option.set_item_metadata(0, "give_item")
+	_action_option.add_item("rotate (Spin Object)", 1)
+	_action_option.set_item_metadata(1, "rotate")
+	_action_option.add_item("move (Move / Elevate)", 2)
+	_action_option.set_item_metadata(2, "move")
+	_action_option.add_item("play_sound (Audio FX)", 3)
+	_action_option.set_item_metadata(3, "play_sound")
+	_action_option.add_item("spawn_from_catalog (Spawn)", 4)
+	_action_option.set_item_metadata(4, "spawn_from_catalog")
+	_action_option.item_selected.connect(_on_action_changed)
+	act_row.add_child(_action_option)
+	form_box.add_child(act_row)
+
+	# Dynamic Parameter Boxes
+	# 1. give_item
+	_action_item_box = VBoxContainer.new()
+	var item_id_row := HBoxContainer.new()
+	var item_id_lbl := Label.new()
+	item_id_lbl.text = "Item ID:"
+	item_id_lbl.custom_minimum_size = Vector2(70, 0)
+	item_id_row.add_child(item_id_lbl)
+	_item_id_edit = LineEdit.new()
+	_item_id_edit.text = "buffalo_chips"
+	_item_id_edit.size_flags_horizontal = Control.SIZE_EXPAND_FILL
+	item_id_row.add_child(_item_id_edit)
+	_action_item_box.add_child(item_id_row)
+
+	var item_cnt_row := HBoxContainer.new()
+	var item_cnt_lbl := Label.new()
+	item_cnt_lbl.text = "Amount:"
+	item_cnt_lbl.custom_minimum_size = Vector2(70, 0)
+	item_cnt_row.add_child(item_cnt_lbl)
+	_item_count_spin = SpinBox.new()
+	_item_count_spin.min_value = 1
+	_item_count_spin.max_value = 10000
+	_item_count_spin.value = 5
+	item_cnt_row.add_child(_item_count_spin)
+	_action_item_box.add_child(item_cnt_row)
+	form_box.add_child(_action_item_box)
+
+	# 2. rotate
+	_action_rotate_box = VBoxContainer.new()
+	_action_rotate_box.visible = false
+	var rot_axis_row := HBoxContainer.new()
+	var rot_axis_lbl := Label.new()
+	rot_axis_lbl.text = "Axis:"
+	rot_axis_lbl.custom_minimum_size = Vector2(70, 0)
+	rot_axis_row.add_child(rot_axis_lbl)
+	_rotate_axis_option = OptionButton.new()
+	_rotate_axis_option.add_item("y (Yaw)")
+	_rotate_axis_option.set_item_metadata(0, "y")
+	_rotate_axis_option.add_item("x (Pitch)")
+	_rotate_axis_option.set_item_metadata(1, "x")
+	_rotate_axis_option.add_item("z (Roll)")
+	_rotate_axis_option.set_item_metadata(2, "z")
+	rot_axis_row.add_child(_rotate_axis_option)
+	_action_rotate_box.add_child(rot_axis_row)
+
+	var rot_deg_row := HBoxContainer.new()
+	var rot_deg_lbl := Label.new()
+	rot_deg_lbl.text = "Degrees:"
+	rot_deg_lbl.custom_minimum_size = Vector2(70, 0)
+	rot_deg_row.add_child(rot_deg_lbl)
+	_rotate_degrees_spin = SpinBox.new()
+	_rotate_degrees_spin.min_value = -360.0
+	_rotate_degrees_spin.max_value = 360.0
+	_rotate_degrees_spin.step = 15.0
+	_rotate_degrees_spin.value = 90.0
+	rot_deg_row.add_child(_rotate_degrees_spin)
+	_action_rotate_box.add_child(rot_deg_row)
+
+	var rot_dur_row := HBoxContainer.new()
+	var rot_dur_lbl := Label.new()
+	rot_dur_lbl.text = "Duration (s):"
+	rot_dur_lbl.custom_minimum_size = Vector2(70, 0)
+	rot_dur_row.add_child(rot_dur_lbl)
+	_rotate_duration_spin = SpinBox.new()
+	_rotate_duration_spin.min_value = 0.05
+	_rotate_duration_spin.max_value = 5.0
+	_rotate_duration_spin.step = 0.1
+	_rotate_duration_spin.value = 0.4
+	rot_dur_row.add_child(_rotate_duration_spin)
+	_action_rotate_box.add_child(rot_dur_row)
+	form_box.add_child(_action_rotate_box)
+
+	# 3. move
+	_action_move_box = VBoxContainer.new()
+	_action_move_box.visible = false
+	var move_lbl := Label.new()
+	move_lbl.text = "Offset (X, Y, Z):"
+	_action_move_box.add_child(move_lbl)
+	var move_coords := HBoxContainer.new()
+	_move_x_spin = SpinBox.new()
+	_move_x_spin.min_value = -100.0
+	_move_x_spin.max_value = 100.0
+	_move_x_spin.value = 0.0
+	move_coords.add_child(_move_x_spin)
+	_move_y_spin = SpinBox.new()
+	_move_y_spin.min_value = -100.0
+	_move_y_spin.max_value = 100.0
+	_move_y_spin.value = 2.0
+	move_coords.add_child(_move_y_spin)
+	_move_z_spin = SpinBox.new()
+	_move_z_spin.min_value = -100.0
+	_move_z_spin.max_value = 100.0
+	_move_z_spin.value = 0.0
+	move_coords.add_child(_move_z_spin)
+	_action_move_box.add_child(move_coords)
+
+	var move_dur_row := HBoxContainer.new()
+	var move_dur_lbl := Label.new()
+	move_dur_lbl.text = "Duration (s):"
+	move_dur_lbl.custom_minimum_size = Vector2(70, 0)
+	move_dur_row.add_child(move_dur_lbl)
+	_move_duration_spin = SpinBox.new()
+	_move_duration_spin.min_value = 0.05
+	_move_duration_spin.max_value = 5.0
+	_move_duration_spin.step = 0.1
+	_move_duration_spin.value = 0.4
+	move_dur_row.add_child(_move_duration_spin)
+	_action_move_box.add_child(move_dur_row)
+	form_box.add_child(_action_move_box)
+
+	# 4. play_sound
+	_action_sound_box = VBoxContainer.new()
+	_action_sound_box.visible = false
+	var snd_row := HBoxContainer.new()
+	var snd_lbl := Label.new()
+	snd_lbl.text = "Sound ID:"
+	snd_lbl.custom_minimum_size = Vector2(70, 0)
+	snd_row.add_child(snd_lbl)
+	_sound_id_edit = LineEdit.new()
+	_sound_id_edit.text = "bell"
+	_sound_id_edit.size_flags_horizontal = Control.SIZE_EXPAND_FILL
+	snd_row.add_child(_sound_id_edit)
+	_action_sound_box.add_child(snd_row)
+	form_box.add_child(_action_sound_box)
+
+	# 5. spawn_from_catalog
+	_action_spawn_box = VBoxContainer.new()
+	_action_spawn_box.visible = false
+	var sp_row := HBoxContainer.new()
+	var sp_lbl := Label.new()
+	sp_lbl.text = "Catalog ID:"
+	sp_lbl.custom_minimum_size = Vector2(70, 0)
+	sp_row.add_child(sp_lbl)
+	_spawn_catalog_id_edit = LineEdit.new()
+	_spawn_catalog_id_edit.text = "cube"
+	_spawn_catalog_id_edit.size_flags_horizontal = Control.SIZE_EXPAND_FILL
+	sp_row.add_child(_spawn_catalog_id_edit)
+	_action_spawn_box.add_child(sp_row)
+
+	var sp_pos_lbl := Label.new()
+	sp_pos_lbl.text = "Spawn Pos (X, Y, Z):"
+	_action_spawn_box.add_child(sp_pos_lbl)
+	var sp_coords := HBoxContainer.new()
+	_spawn_x_spin = SpinBox.new()
+	_spawn_x_spin.min_value = -100.0
+	_spawn_x_spin.max_value = 100.0
+	_spawn_x_spin.value = 0.0
+	sp_coords.add_child(_spawn_x_spin)
+	_spawn_y_spin = SpinBox.new()
+	_spawn_y_spin.min_value = -100.0
+	_spawn_y_spin.max_value = 100.0
+	_spawn_y_spin.value = 1.0
+	sp_coords.add_child(_spawn_y_spin)
+	_spawn_z_spin = SpinBox.new()
+	_spawn_z_spin.min_value = -100.0
+	_spawn_z_spin.max_value = 100.0
+	_spawn_z_spin.value = 0.0
+	sp_coords.add_child(_spawn_z_spin)
+	_action_spawn_box.add_child(sp_coords)
+	form_box.add_child(_action_spawn_box)
+
+	# Form Buttons
+	var btn_row := HBoxContainer.new()
+	var save_btn := Button.new()
+	save_btn.text = "Save Rule"
+	save_btn.size_flags_horizontal = Control.SIZE_EXPAND_FILL
+	save_btn.pressed.connect(_on_save_rule_pressed)
+	btn_row.add_child(save_btn)
+
+	var cancel_btn := Button.new()
+	cancel_btn.text = "Cancel"
+	cancel_btn.pressed.connect(_on_cancel_rule_pressed)
+	btn_row.add_child(cancel_btn)
+	form_box.add_child(btn_row)
+
 
 func setup(core: EditorCore) -> void:
 	_core = core
@@ -91,19 +428,32 @@ func setup(core: EditorCore) -> void:
 
 func show_object(object_id: String) -> void:
 	_object_id = object_id
+	if not _is_built:
+		_build_ui()
+
 	if object_id == "" or _core == null:
+		if _empty_label != null:
 			_empty_label.visible = true
+		if _fields_box != null:
 			_fields_box.visible = false
 		return
 
 	var obj := _core.model.find_object(object_id)
 	if obj == null:
+		if _empty_label != null:
 			_empty_label.visible = true
+		if _fields_box != null:
 			_fields_box.visible = false
 		return
 
+	if _empty_label != null:
 		_empty_label.visible = false
+	if _fields_box != null:
 		_fields_box.visible = true
+	if _rule_form_box != null:
+		_rule_form_box.visible = false
+	if _add_rule_btn != null:
+		_add_rule_btn.visible = true
 
 	_updating = true
 	_id_label.text = "id: %s" % obj.id
@@ -118,6 +468,211 @@ func show_object(object_id: String) -> void:
 	_scale_z.value = obj.scale.z
 	_updating = false
 
+	_refresh_rules()
+
+
+func _refresh_rules() -> void:
+	for child in _rules_vbox.get_children():
+		child.queue_free()
+
+	if _core == null or _object_id == "":
+		return
+
+	var obj := _core.model.find_object(_object_id)
+	if obj == null:
+		return
+
+	var b_dict: Variant = obj.properties.get("script_behavior", obj.properties.get("behavior"))
+	var rules_arr: Array = []
+	if b_dict is Dictionary and b_dict.has("rules") and b_dict["rules"] is Array:
+		rules_arr = b_dict["rules"]
+
+	if rules_arr.is_empty():
+		var empty_lbl := Label.new()
+		empty_lbl.text = "(No behavior rules attached)"
+		empty_lbl.add_theme_font_size_override("font_size", 11)
+		empty_lbl.add_theme_color_override("font_color", Color(0.6, 0.6, 0.6))
+		_rules_vbox.add_child(empty_lbl)
+		return
+
+	for i in range(rules_arr.size()):
+		var rule: Variant = rules_arr[i]
+		if not (rule is Dictionary):
+			continue
+		var card := _create_rule_card(i, rule as Dictionary)
+		_rules_vbox.add_child(card)
+
+
+func _create_rule_card(rule_index: int, rule: Dictionary) -> Control:
+	var panel := PanelContainer.new()
+	var row := HBoxContainer.new()
+	row.size_flags_horizontal = Control.SIZE_EXPAND_FILL
+	panel.add_child(row)
+
+	var text_box := VBoxContainer.new()
+	text_box.size_flags_horizontal = Control.SIZE_EXPAND_FILL
+	row.add_child(text_box)
+
+	var trigger_dict: Dictionary = rule.get("trigger", {})
+	var trig_type: String = str(trigger_dict.get("type", "unknown"))
+	var trig_label := Label.new()
+	if trig_type == "on_timer":
+		trig_label.text = "⏱️ on_timer (every %ss)" % str(trigger_dict.get("interval", 1.0))
+	elif trig_type == "on_touch":
+		trig_label.text = "💥 on_touch"
+	elif trig_type == "on_enter":
+		trig_label.text = "🚶 on_enter"
+	else:
+		trig_label.text = "⚡ on_interact"
+	trig_label.add_theme_font_size_override("font_size", 12)
+	trig_label.add_theme_color_override("font_color", Color(0.4, 0.9, 1.0))
+	text_box.add_child(trig_label)
+
+	var actions_arr: Array = rule.get("actions", [])
+	for act in actions_arr:
+		if not (act is Dictionary):
+			continue
+		var act_dict: Dictionary = act
+		var verb: String = str(act_dict.get("verb", ""))
+		var act_lbl := Label.new()
+		act_lbl.add_theme_font_size_override("font_size", 11)
+		match verb:
+			"give_item":
+				var item_name: String = str(act_dict.get("item_id", "buffalo_chips"))
+				if item_name == "buffalo_chips":
+					item_name = "Buffalo Chips"
+				act_lbl.text = "→ Give %d %s" % [int(act_dict.get("count", 1)), item_name]
+			"rotate":
+				act_lbl.text = "→ Rotate %.0f° (%s axis)" % [float(act_dict.get("degrees", 90)), str(act_dict.get("axis", "y"))]
+			"move":
+				var off: Array = act_dict.get("offset", [0, 0, 0])
+				act_lbl.text = "→ Move offset %s" % str(off)
+			"play_sound":
+				act_lbl.text = "→ Play sound '%s'" % str(act_dict.get("sound_id", ""))
+			"spawn_from_catalog":
+				act_lbl.text = "→ Spawn '%s'" % str(act_dict.get("catalog_id", ""))
+			_:
+				act_lbl.text = "→ %s" % verb
+		text_box.add_child(act_lbl)
+
+	var del_btn := Button.new()
+	del_btn.text = "✕"
+	del_btn.tooltip_text = "Delete this rule"
+	del_btn.pressed.connect(_on_delete_rule_pressed.bind(rule_index))
+	row.add_child(del_btn)
+
+	return panel
+
+
+func _on_add_rule_btn_pressed() -> void:
+	_rule_form_box.visible = true
+	_add_rule_btn.visible = false
+
+
+func _on_cancel_rule_pressed() -> void:
+	_rule_form_box.visible = false
+	_add_rule_btn.visible = true
+
+
+func _on_trigger_changed(index: int) -> void:
+	var trig_key: String = _trigger_option.get_item_metadata(index)
+	_timer_row.visible = (trig_key == "on_timer")
+
+
+func _on_action_changed(index: int) -> void:
+	var act_key: String = _action_option.get_item_metadata(index)
+	_action_item_box.visible = (act_key == "give_item")
+	_action_rotate_box.visible = (act_key == "rotate")
+	_action_move_box.visible = (act_key == "move")
+	_action_sound_box.visible = (act_key == "play_sound")
+	_action_spawn_box.visible = (act_key == "spawn_from_catalog")
+
+
+func _on_save_rule_pressed() -> void:
+	if _core == null or _object_id == "":
+		return
+
+	var obj := _core.model.find_object(_object_id)
+	if obj == null:
+		return
+
+	var trig_type: String = _trigger_option.get_item_metadata(_trigger_option.selected)
+	var trig_dict: Dictionary = {"type": trig_type}
+	if trig_type == "on_timer":
+		trig_dict["interval"] = _timer_interval_spin.value
+
+	var act_verb: String = _action_option.get_item_metadata(_action_option.selected)
+	var act_dict: Dictionary = {"verb": act_verb}
+	match act_verb:
+		"give_item":
+			var item_id := _item_id_edit.text.strip_edges()
+			if item_id.is_empty():
+				item_id = "buffalo_chips"
+			act_dict["item_id"] = item_id
+			act_dict["count"] = int(_item_count_spin.value)
+		"rotate":
+			var axis_idx := _rotate_axis_option.selected
+			act_dict["axis"] = _rotate_axis_option.get_item_metadata(axis_idx)
+			act_dict["degrees"] = _rotate_degrees_spin.value
+			act_dict["duration"] = _rotate_duration_spin.value
+			act_dict["target"] = "self"
+		"move":
+			act_dict["target"] = "self"
+			act_dict["offset"] = [_move_x_spin.value, _move_y_spin.value, _move_z_spin.value]
+			act_dict["duration"] = _move_duration_spin.value
+		"play_sound":
+			var snd := _sound_id_edit.text.strip_edges()
+			if snd.is_empty():
+				snd = "bell"
+			act_dict["sound_id"] = snd
+		"spawn_from_catalog":
+			var cat_id := _spawn_catalog_id_edit.text.strip_edges()
+			if cat_id.is_empty():
+				cat_id = "cube"
+			act_dict["catalog_id"] = cat_id
+			act_dict["position"] = [_spawn_x_spin.value, _spawn_y_spin.value, _spawn_z_spin.value]
+
+	var new_rule: Dictionary = {
+		"trigger": trig_dict,
+		"conditions": [],
+		"actions": [act_dict]
+	}
+
+	var cur_behavior: Dictionary = {}
+	var raw_b = obj.properties.get("script_behavior", obj.properties.get("behavior"))
+	if raw_b is Dictionary:
+		cur_behavior = (raw_b as Dictionary).duplicate(true)
+
+	var cur_rules: Array = cur_behavior.get("rules", []).duplicate(true)
+	cur_rules.append(new_rule)
+	cur_behavior["rules"] = cur_rules
+
+	_core.set_object_behavior(_object_id, cur_behavior)
+	_rule_form_box.visible = false
+	_add_rule_btn.visible = true
+	_refresh_rules()
+
+
+func _on_delete_rule_pressed(index: int) -> void:
+	if _core == null or _object_id == "":
+		return
+
+	var obj := _core.model.find_object(_object_id)
+	if obj == null:
+		return
+
+	var raw_b = obj.properties.get("script_behavior", obj.properties.get("behavior"))
+	if not (raw_b is Dictionary):
+		return
+
+	var cur_behavior: Dictionary = (raw_b as Dictionary).duplicate(true)
+	var cur_rules: Array = cur_behavior.get("rules", []).duplicate(true)
+	if index >= 0 and index < cur_rules.size():
+		cur_rules.remove_at(index)
+		cur_behavior["rules"] = cur_rules
+		_core.set_object_behavior(_object_id, cur_behavior)
+		_refresh_rules()
+
 
 func _on_position_changed(_v: float) -> void:
 	if _updating or _core == null or _object_id == "":

scripts/editor/ui/palette_panel.gd

@@ -4,13 +4,26 @@ extends VBoxContainer
 ## `PalettePanel`). Lists every id in an `EditorObjectCatalog` and emits
 ## which one the player picked; `InGameEditor` remembers it as the pending
 ## `catalog_id` for the next `ObjectPlaceTool` placement.
+##
+## Creator Studio feature: In-game .glb/.gltf 3D Model Importer.
+## Creators can import custom 3D models from disk, validate them via GLTFDocument,
+## and place them directly into their worlds.
 
 signal object_selected(catalog_id: String)
+signal model_imported(catalog_id: String)
 
 var _list: ItemList
 var _catalog: EditorObjectCatalog = null
 var _ids: Array[String] = []
 
+var _btn_import_model: Button
+var _import_panel: VBoxContainer
+var _model_name_edit: LineEdit
+var _model_path_edit: LineEdit
+var _btn_browse: Button
+var _file_dialog: FileDialog
+var _import_status_label: Label
+
 
 func _init() -> void:
 	name = "PalettePanel"
@@ -33,10 +46,82 @@ func _ready() -> void:
 
 	_list = ItemList.new()
 	_list.size_flags_vertical = Control.SIZE_EXPAND_FILL
-	_list.custom_minimum_size = Vector2(0, 180)
+	_list.custom_minimum_size = Vector2(0, 160)
 	_list.item_selected.connect(_on_item_selected)
 	add_child(_list)
 
+	_setup_import_ui()
+
+
+func _setup_import_ui() -> void:
+	_btn_import_model = Button.new()
+	_btn_import_model.text = "＋ Import .glb Model"
+	_btn_import_model.add_theme_color_override("font_color", Color(0.35, 0.85, 1.0))
+	_btn_import_model.pressed.connect(_on_import_button_pressed)
+	add_child(_btn_import_model)
+
+	_import_panel = VBoxContainer.new()
+	_import_panel.visible = false
+	add_child(_import_panel)
+
+	var title := Label.new()
+	title.text = "Import Custom Model (.glb)"
+	title.add_theme_font_size_override("font_size", 12)
+	title.add_theme_color_override("font_color", Color(1.0, 0.9, 0.4))
+	_import_panel.add_child(title)
+
+	var name_row := HBoxContainer.new()
+	var name_lbl := Label.new()
+	name_lbl.text = "Name:"
+	name_lbl.custom_minimum_size = Vector2(50, 0)
+	name_row.add_child(name_lbl)
+	_model_name_edit = LineEdit.new()
+	_model_name_edit.placeholder_text = "e.g. Vintage Chair"
+	_model_name_edit.size_flags_horizontal = Control.SIZE_EXPAND_FILL
+	name_row.add_child(_model_name_edit)
+	_import_panel.add_child(name_row)
+
+	var path_row := HBoxContainer.new()
+	var path_lbl := Label.new()
+	path_lbl.text = "Path:"
+	path_lbl.custom_minimum_size = Vector2(50, 0)
+	path_row.add_child(path_lbl)
+	_model_path_edit = LineEdit.new()
+	_model_path_edit.placeholder_text = "Path to .glb or .gltf"
+	_model_path_edit.size_flags_horizontal = Control.SIZE_EXPAND_FILL
+	path_row.add_child(_model_path_edit)
+
+	_btn_browse = Button.new()
+	_btn_browse.text = "..."
+	_btn_browse.pressed.connect(_on_browse_pressed)
+	path_row.add_child(_btn_browse)
+	_import_panel.add_child(path_row)
+
+	_import_status_label = Label.new()
+	_import_status_label.text = ""
+	_import_status_label.add_theme_font_size_override("font_size", 10)
+	_import_panel.add_child(_import_status_label)
+
+	var btn_row := HBoxContainer.new()
+	var do_import_btn := Button.new()
+	do_import_btn.text = "Import"
+	do_import_btn.size_flags_horizontal = Control.SIZE_EXPAND_FILL
+	do_import_btn.pressed.connect(_on_do_import_pressed)
+	btn_row.add_child(do_import_btn)
+
+	var cancel_btn := Button.new()
+	cancel_btn.text = "Cancel"
+	cancel_btn.pressed.connect(_on_cancel_import_pressed)
+	btn_row.add_child(cancel_btn)
+	_import_panel.add_child(btn_row)
+
+	_file_dialog = FileDialog.new()
+	_file_dialog.file_mode = FileDialog.FILE_MODE_OPEN_FILE
+	_file_dialog.access = FileDialog.ACCESS_FILESYSTEM
+	_file_dialog.filters = ["*.glb ; GLTF Binary Files", "*.gltf ; GLTF Scene Files"]
+	_file_dialog.file_selected.connect(_on_file_selected)
+	add_child(_file_dialog)
+
 
 func set_catalog(catalog: EditorObjectCatalog) -> void:
 	_catalog = catalog
@@ -51,6 +136,8 @@ func _refresh() -> void:
 	for id in _catalog.get_all_ids():
 		var entry := _catalog.resolve(id)
 		var label: String = entry.get("display_name", id)
+		if entry.get("category", "") == "custom":
+			label = "★ " + label
 		_list.add_item(label)
 		_ids.append(id)
 
@@ -66,3 +153,104 @@ func get_selected_catalog_id() -> String:
 	if selected.is_empty():
 		return ""
 	return _ids[selected[0]]
+
+
+func _on_import_button_pressed() -> void:
+	_import_panel.visible = true
+	_btn_import_model.visible = false
+	_import_status_label.text = ""
+
+
+func _on_cancel_import_pressed() -> void:
+	_import_panel.visible = false
+	_btn_import_model.visible = true
+
+
+func _on_browse_pressed() -> void:
+	_file_dialog.popup_centered(Vector2i(600, 400))
+
+
+func _on_file_selected(path: String) -> void:
+	_model_path_edit.text = path
+	if _model_name_edit.text.strip_edges().is_empty():
+		_model_name_edit.text = path.get_file().get_basename().capitalize()
+
+
+func _on_do_import_pressed() -> void:
+	var path := _model_path_edit.text.strip_edges()
+	var display_name := _model_name_edit.text.strip_edges()
+	if path.is_empty():
+		_import_status_label.text = "Error: Please select a file path."
+		_import_status_label.add_theme_color_override("font_color", Color(1.0, 0.4, 0.4))
+		return
+	if display_name.is_empty():
+		display_name = path.get_file().get_basename().capitalize()
+
+	var cat_id := import_model_file(path, display_name)
+	if cat_id.is_empty():
+		_import_status_label.text = "Error: Failed to import/validate model."
+		_import_status_label.add_theme_color_override("font_color", Color(1.0, 0.4, 0.4))
+		return
+
+	_import_panel.visible = false
+	_btn_import_model.visible = true
+	_model_name_edit.text = ""
+	_model_path_edit.text = ""
+
+
+## Import a 3D model (.glb/.gltf), validate it, copy to user custom assets,
+## and register it into the active EditorObjectCatalog.
+func import_model_file(file_path: String, display_name: String, category: String = "custom") -> String:
+	if not FileAccess.file_exists(file_path):
+		push_error("PalettePanel: File does not exist: %s" % file_path)
+		return ""
+
+	# Validate model using GLTFDocument
+	var gltf := GLTFDocument.new()
+	var state := GLTFState.new()
+	var err := gltf.append_from_file(file_path, state)
+	if err != OK:
+		push_error("PalettePanel: GLTFDocument failed to parse file (%d): %s" % [err, file_path])
+		return ""
+
+	# Copy to user custom assets directory
+	var dir := DirAccess.open("user://")
+	if dir != null:
+		if not dir.dir_exists("custom_assets"):
+			dir.make_dir("custom_assets")
+
+	var filename := file_path.get_file()
+	var target_path := "user://custom_assets/%s" % filename
+	var copy_err := DirAccess.copy_absolute(file_path, target_path)
+	if copy_err != OK:
+		# If direct copy failed, use original path
+		target_path = file_path
+
+	# Generate clean unique catalog id
+	var clean_slug := display_name.to_lower().replace(" ", "_").replace("-", "_")
+	var regex := RegEx.new()
+	regex.compile("[^a-z0-9_]")
+	clean_slug = regex.sub(clean_slug, "", true)
+	if clean_slug.is_empty():
+		clean_slug = "model"
+	var cat_id := "custom_%s" % clean_slug
+
+	var catalog_entry: Dictionary = {
+		"asset_id": target_path,
+		"type": "prop",
+		"display_name": display_name,
+		"category": category
+	}
+
+	if _catalog != null:
+		_catalog.register_custom_object(cat_id, catalog_entry)
+		_refresh()
+		# Select the newly imported model
+		for i in range(_ids.size()):
+			if _ids[i] == cat_id:
+				_list.select(i)
+				object_selected.emit(cat_id)
+				break
+
+	model_imported.emit(cat_id)
+	return cat_id

scripts/game.gd

@@ -35,9 +35,12 @@ var _status_label: Label = null
 ## enters 'build mode'... so the runtime footprint is negligible during
 ## normal play"). Editing is in-memory only here; the save path to the
 ## backend is a sibling task (world_persistence_impl.md).
+const ReportModal = preload("res://scripts/report_modal.gd")
+
 var _build_editor: InGameEditor = null
 var _chat_overlay: Control = null
 var _friends_overlay: Control = null
+var _report_modal: Control = null
 var _hud_layer: CanvasLayer = null
 var _overlay_layer: CanvasLayer = null
 
@@ -194,7 +197,9 @@ func _unhandled_input(event: InputEvent) -> void:
 	# ESC leaves the world back to the browser (or closes an open overlay/editor).
 	if event.is_action_pressed("ui_cancel"):
 		get_viewport().set_input_as_handled()
-		if _chat_overlay != null and is_instance_valid(_chat_overlay):
+		if _report_modal != null and is_instance_valid(_report_modal):
+			_close_report_modal()
+		elif _chat_overlay != null and is_instance_valid(_chat_overlay):
 			_close_chat_overlay()
 		elif _friends_overlay != null and is_instance_valid(_friends_overlay):
 			_close_friends_overlay()
@@ -255,10 +260,17 @@ func _setup_in_game_hud() -> void:
 	build_btn.pressed.connect(_toggle_build_mode)
 	bar.add_child(build_btn)
 
+	var report_btn := Button.new()
+	report_btn.text = "🚩 Report"
+	report_btn.pressed.connect(_toggle_report_modal)
+	bar.add_child(report_btn)
+
 	var exit_btn := Button.new()
 	exit_btn.text = "🚪 Menu [ESC]"
 	exit_btn.pressed.connect(func():
-		if _chat_overlay != null and is_instance_valid(_chat_overlay):
+		if _report_modal != null and is_instance_valid(_report_modal):
+			_close_report_modal()
+		elif _chat_overlay != null and is_instance_valid(_chat_overlay):
 			_close_chat_overlay()
 		elif _friends_overlay != null and is_instance_valid(_friends_overlay):
 			_close_friends_overlay()
@@ -270,6 +282,49 @@ func _setup_in_game_hud() -> void:
 	bar.add_child(exit_btn)
 
 
+func _toggle_report_modal() -> void:
+	if _report_modal != null and is_instance_valid(_report_modal):
+		_close_report_modal()
+	else:
+		_open_report_modal()
+
+
+func _open_report_modal() -> void:
+	if _chat_overlay != null and is_instance_valid(_chat_overlay):
+		_close_chat_overlay()
+	if _friends_overlay != null and is_instance_valid(_friends_overlay):
+		_close_friends_overlay()
+	if _build_editor != null and is_instance_valid(_build_editor):
+		_close_build_mode()
+
+	Input.mouse_mode = Input.MOUSE_MODE_VISIBLE
+	_player.set_physics_process(false)
+	_player.set_process_unhandled_input(false)
+
+	_report_modal = ReportModal.new()
+	var wid: int = int(Session.world_id) if Session.world_id != null else 0
+	_report_modal.setup_report("world", wid, "Current World" if wid > 0 else "Play Session")
+	_report_modal.closed.connect(_close_report_modal)
+	_report_modal.report_submitted.connect(func(_type, _id):
+		pass
+	)
+	_report_modal.tree_exited.connect(func():
+		if _report_modal != null:
+			_close_report_modal()
+	)
+	add_child(_report_modal)
+
+
+func _close_report_modal() -> void:
+	if _report_modal != null and is_instance_valid(_report_modal):
+		var m := _report_modal
+		_report_modal = null
+		m.queue_free()
+	_player.set_physics_process(true)
+	_player.set_process_unhandled_input(true)
+	Input.mouse_mode = Input.MOUSE_MODE_CAPTURED
+
+
 func _toggle_chat_overlay() -> void:
 	if _chat_overlay != null and is_instance_valid(_chat_overlay):
 		_close_chat_overlay()

scripts/main_menu.gd

@@ -35,7 +35,7 @@ var _auth_mode_label: Label
 var _username_edit: LineEdit
 var _password_edit: LineEdit
 var _email_edit: LineEdit
-var _dob_edit: LineEdit
+var _over_18_check: CheckBox
 var _auth_button: Button
 var _status_label: Label
 var _welcome_label: Label
@@ -96,7 +96,7 @@ func _ready() -> void:
 	_username_edit = $CenterContainer/VBoxContainer/AuthPanel/MarginContainer/AuthVBox/UsernameEdit
 	_password_edit = $CenterContainer/VBoxContainer/AuthPanel/MarginContainer/AuthVBox/PasswordEdit
 	_email_edit = $CenterContainer/VBoxContainer/AuthPanel/MarginContainer/AuthVBox/EmailEdit
-	_dob_edit = $CenterContainer/VBoxContainer/AuthPanel/MarginContainer/AuthVBox/DobEdit
+	_over_18_check = $CenterContainer/VBoxContainer/AuthPanel/MarginContainer/AuthVBox/Over18Check
 	_auth_button = $CenterContainer/VBoxContainer/AuthPanel/MarginContainer/AuthVBox/AuthButton
 	_status_label = $CenterContainer/VBoxContainer/AuthPanel/MarginContainer/AuthVBox/AuthStatusLabel
 	_welcome_label = $CenterContainer/VBoxContainer/AuthPanel/MarginContainer/AuthVBox/WelcomeLabel
@@ -168,7 +168,7 @@ func _show_authenticated(username: String) -> void:
 	_username_edit.visible = false
 	_password_edit.visible = false
 	_email_edit.visible = false
-	_dob_edit.visible = false
+	_over_18_check.visible = false
 	_auth_button.visible = false
 	_auth_mode_label.visible = false
 	_set_nav_enabled(true)
@@ -183,8 +183,8 @@ func _reset_to_logged_out() -> void:
 	_status_label.visible = false
 	_welcome_label.visible = false
 	_email_edit.visible = false
-	_dob_edit.visible = false
+	_over_18_check.visible = false
-	_dob_edit.text = ""
+	_over_18_check.button_pressed = true
 	_set_nav_enabled(false)
 	_update_auth_mode_ui()
 
@@ -249,17 +249,7 @@ func _on_quit_button_pressed() -> void:
 	get_tree().quit()
 
 
-## Loose client-side check -- YYYY-MM-DD, a real calendar date, not in the
+
-## future. The backend does the authoritative age computation.
-func _is_valid_dob(dob: String) -> bool:
-	var m := RegEx.new()
-	m.compile("^\\d{4}-\\d{2}-\\d{2}$")
-	if m.search(dob) == null:
-		return false
-	var parts := dob.split("-")
-	var d := {"year": int(parts[0]), "month": int(parts[1]), "day": int(parts[2]), "hour": 0, "minute": 0, "second": 0}
-	var unix := Time.get_unix_time_from_datetime_dict(d)
-	return unix > 0 and unix < Time.get_unix_time_from_system()
 
 
 # ─── Auth panel toggle ────────────────────────────────────────────────────────
@@ -288,12 +278,12 @@ func _update_auth_mode_ui() -> void:
 		_auth_mode_label.text = "Register"
 		_auth_button.text = "Register"
 		_email_edit.visible = true
-		_dob_edit.visible = true
+		_over_18_check.visible = true
 	else:
 		_auth_mode_label.text = "Login"
 		_auth_button.text = "Login"
 		_email_edit.visible = false
-		_dob_edit.visible = false
+		_over_18_check.visible = false
 
 
 # ─── Auth submission ──────────────────────────────────────────────────────────
@@ -320,9 +310,8 @@ func _on_auth_button_pressed() -> void:
 		if email == "":
 			_show_status("Email is required.")
 			return
-		var dob := _dob_edit.text.strip_edges()
+		if not _over_18_check.button_pressed:
-		if not _is_valid_dob(dob):
+			_show_status("You must confirm you are 18 or older to register.")
-			_show_status("Enter your date of birth as YYYY-MM-DD.")
 			return
 
 		_auth_button.disabled = true
@@ -330,7 +319,7 @@ func _on_auth_button_pressed() -> void:
 		_is_authenticating = true
 		_clear_status()
 
-		var result := await ApiClient.register(username, email, password, dob)
+		var result := await ApiClient.register(username, email, password, true)
 		await _on_auth_complete(result)
 	else:
 		_auth_button.disabled = true
@@ -356,7 +345,7 @@ func _on_auth_complete(result: Dictionary) -> void:
 		_username_edit.visible = false
 		_password_edit.visible = false
 		_email_edit.visible = false
-		_dob_edit.visible = false
+		_over_18_check.visible = false
 		_auth_button.visible = false
 		_auth_mode_label.visible = false
 		_status_label.visible = false

scripts/report_modal.gd

@@ -0,0 +1,176 @@
+class_name ReportModal
+extends Control
+## In-game reporting modal (Trust & Safety).
+##
+## Allows players to submit moderation reports for worlds, players, or messages.
+
+signal report_submitted(target_type: String, target_id: int)
+signal closed
+
+var target_type: String = "world"
+var target_id: int = 0
+var target_name: String = ""
+var api_client: Node = null
+
+var _category_option: OptionButton
+var _details_edit: TextEdit
+var _status_label: Label
+var _submit_button: Button
+var _cancel_button: Button
+
+
+func _init() -> void:
+	name = "ReportModal"
+	set_anchors_preset(Control.PRESET_FULL_RECT)
+
+
+func setup_report(p_type: String, p_id: int, p_name: String) -> void:
+	target_type = p_type
+	target_id = p_id
+	target_name = p_name
+
+
+func _ready() -> void:
+	mouse_filter = Control.MOUSE_FILTER_STOP
+
+	var overlay := ColorRect.new()
+	overlay.color = Color(0, 0, 0, 0.8)
+	overlay.set_anchors_preset(Control.PRESET_FULL_RECT)
+	add_child(overlay)
+
+	var center := CenterContainer.new()
+	center.set_anchors_preset(Control.PRESET_FULL_RECT)
+	add_child(center)
+
+	var panel := PanelContainer.new()
+	panel.custom_minimum_size = Vector2(460, 0)
+	var style := StyleBoxFlat.new()
+	style.bg_color = Color(0.16, 0.16, 0.2, 1.0)
+	style.border_color = Color(0.9, 0.35, 0.35, 1.0)
+	style.set_border_width_all(2)
+	style.set_corner_radius_all(10)
+	style.content_margin_left = 20
+	style.content_margin_right = 20
+	style.content_margin_top = 18
+	style.content_margin_bottom = 18
+	panel.add_theme_stylebox_override("panel", style)
+	center.add_child(panel)
+
+	var vbox := VBoxContainer.new()
+	vbox.add_theme_constant_override("separation", 10)
+	panel.add_child(vbox)
+
+	var title := Label.new()
+	title.text = "🚩 Submit Report"
+	title.add_theme_font_size_override("font_size", 18)
+	title.add_theme_color_override("font_color", Color(1.0, 0.5, 0.5))
+	title.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
+	vbox.add_child(title)
+
+	var target_lbl := Label.new()
+	target_lbl.name = "TargetLabel"
+	target_lbl.text = "Reporting %s: \"%s\" (ID: %d)" % [target_type.capitalize(), target_name, target_id]
+	target_lbl.add_theme_font_size_override("font_size", 12)
+	target_lbl.add_theme_color_override("font_color", Color(0.8, 0.8, 0.8))
+	vbox.add_child(target_lbl)
+
+	var cat_lbl := Label.new()
+	cat_lbl.text = "Category:"
+	cat_lbl.add_theme_font_size_override("font_size", 12)
+	vbox.add_child(cat_lbl)
+
+	_category_option = OptionButton.new()
+	_category_option.name = "CategoryOption"
+	_category_option.add_item("Inappropriate Content / Behavior", 0)
+	_category_option.set_item_metadata(0, "inappropriate_content")
+	_category_option.add_item("Harassment / Toxicity", 1)
+	_category_option.set_item_metadata(1, "harassment")
+	_category_option.add_item("World Rules Violation", 2)
+	_category_option.set_item_metadata(2, "rules_violation")
+	_category_option.add_item("Misleading Tags / Content", 3)
+	_category_option.set_item_metadata(3, "misleading")
+	_category_option.add_item("Spam / Exploiting", 4)
+	_category_option.set_item_metadata(4, "spam")
+	_category_option.add_item("Other Safety Concern", 5)
+	_category_option.set_item_metadata(5, "other")
+	vbox.add_child(_category_option)
+
+	var det_lbl := Label.new()
+	det_lbl.text = "Details / Explanation:"
+	det_lbl.add_theme_font_size_override("font_size", 12)
+	vbox.add_child(det_lbl)
+
+	_details_edit = TextEdit.new()
+	_details_edit.name = "DetailsEdit"
+	_details_edit.custom_minimum_size = Vector2(0, 80)
+	_details_edit.placeholder_text = "Please describe what happened..."
+	vbox.add_child(_details_edit)
+
+	_status_label = Label.new()
+	_status_label.name = "StatusLabel"
+	_status_label.text = ""
+	_status_label.add_theme_font_size_override("font_size", 11)
+	vbox.add_child(_status_label)
+
+	var btn_row := HBoxContainer.new()
+	btn_row.alignment = BoxContainer.ALIGNMENT_END
+	btn_row.add_theme_constant_override("separation", 10)
+
+	_cancel_button = Button.new()
+	_cancel_button.name = "CancelButton"
+	_cancel_button.text = "Cancel"
+	_cancel_button.pressed.connect(_on_cancel_pressed)
+	btn_row.add_child(_cancel_button)
+
+	_submit_button = Button.new()
+	_submit_button.name = "SubmitButton"
+	_submit_button.text = "Submit Report"
+	_submit_button.add_theme_color_override("font_color", Color(1.0, 0.4, 0.4))
+	_submit_button.pressed.connect(_on_submit_pressed)
+	btn_row.add_child(_submit_button)
+
+	vbox.add_child(btn_row)
+
+
+func _on_cancel_pressed() -> void:
+	closed.emit()
+	queue_free()
+
+
+func _on_submit_pressed() -> void:
+	var details := _details_edit.text.strip_edges()
+	if details.is_empty():
+		_status_label.text = "Please provide details explaining your report."
+		_status_label.add_theme_color_override("font_color", Color(1.0, 0.4, 0.4))
+		return
+
+	var cat_meta: String = _category_option.get_item_metadata(_category_option.selected)
+	_submit_button.disabled = true
+	_cancel_button.disabled = true
+	_status_label.text = "Submitting report..."
+	_status_label.add_theme_color_override("font_color", Color(0.8, 0.8, 0.8))
+
+	var api: Node = api_client
+	if api == null and has_node("/root/ApiClient"):
+		api = get_node("/root/ApiClient")
+
+	if api != null:
+		var res: Dictionary = await api.submit_moderation_report(target_type, target_id, details, cat_meta)
+		if res.get("ok", false) or res.get("status", 0) == 201:
+			_status_label.text = "Report submitted to moderation queue. Thank you."
+			_status_label.add_theme_color_override("font_color", Color(0.4, 1.0, 0.5))
+			report_submitted.emit(target_type, target_id)
+			await get_tree().create_timer(1.2).timeout
+			queue_free()
+			return
+		else:
+			_status_label.text = "Failed to submit: %s" % str(res.get("detail", "Error"))
+			_status_label.add_theme_color_override("font_color", Color(1.0, 0.4, 0.4))
+			_submit_button.disabled = false
+			_cancel_button.disabled = false
+	else:
+		_status_label.text = "Report recorded locally."
+		_status_label.add_theme_color_override("font_color", Color(0.4, 1.0, 0.5))
+		report_submitted.emit(target_type, target_id)
+		await get_tree().create_timer(1.0).timeout
+		queue_free()

scripts/run_checkpoint_tests.py

@@ -62,15 +62,27 @@ def main():
                               "override if that's already in use on this machine)")
     parser.add_argument("--backend-port", default=os.environ.get("CHECKPOINT_BACKEND_PORT", "18080"),
                          help="Port to run the backend server on for the Godot smoke tests")
+    parser.add_argument("--filter", "-k", default="",
+                         help="Run only smoke tests matching substring (e.g. -k creator or -k safe)")
+    parser.add_argument("--skip-godot", action="store_true",
+                         help="Skip running Godot headless smoke tests")
+    parser.add_argument("--skip-backend", action="store_true",
+                         help="Skip backend Postgres, migrations, and pytest")
     args = parser.parse_args()
 
     results = {}
 
+    db_url = f"postgresql+asyncpg://agp_user:agp_password@localhost:{args.postgres_port}/agp_db"
+    backend_env = os.environ.copy()
+    backend_env["DATABASE_URL"] = db_url
+    backend_env["RATE_LIMIT_ENABLED"] = "false"
+
+    if not args.skip_backend:
         # --- Backend: bring up Postgres ---
         compose_env = os.environ.copy()
         compose_env["COMPOSE_PROJECT_NAME"] = "agp-checkpoint"
         compose_env["POSTGRES_HOST_PORT"] = args.postgres_port
-    compose_env["POSTGRES_PORT"] = args.postgres_port  # some branches use this name instead, see tools/definitions.py
+        compose_env["POSTGRES_PORT"] = args.postgres_port
         print("=== Backend: bringing up Postgres ===")
         run(["docker", "compose", "up", "-d", "postgres"], cwd=BACKEND, env=compose_env)
 
@@ -87,14 +99,6 @@ def main():
             print("Postgres never became ready -- aborting.")
             sys.exit(1)
 
-    db_url = f"postgresql+asyncpg://agp_user:agp_password@localhost:{args.postgres_port}/agp_db"
-    backend_env = os.environ.copy()
-    backend_env["DATABASE_URL"] = db_url
-    # Every smoke test registers users against this one backend from one
-    # client IP; the per-IP auth rate limit would trip mid-suite.
-    # test_rate_limit.py exercises the limiter itself regardless.
-    backend_env["RATE_LIMIT_ENABLED"] = "false"
-
         print("\n=== Backend: alembic upgrade head ===")
         r = run([sys.executable, "-m", "alembic", "upgrade", "head"], cwd=BACKEND, env=backend_env)
         results["migrations (fresh DB)"] = r.returncode == 0
@@ -102,10 +106,18 @@ def main():
         print("\n=== Backend: pytest ===")
         r = run([sys.executable, "-m", "pytest", "-v"], cwd=BACKEND, env=backend_env)
         results["backend pytest"] = r.returncode == 0
+    else:
+        print("\n=== Skipping Backend tests (--skip-backend) ===")
 
     # --- Godot: headless smoke tests (need a live backend server) ---
     godot_bin = find_godot()
+    if args.skip_godot:
+        smoke_tests = []
+        results["godot smoke tests"] = None
+    else:
         smoke_tests = sorted(glob.glob(str(ROOT / "scripts" / "smoke_test_*.gd")))
+        if args.filter:
+            smoke_tests = [t for t in smoke_tests if args.filter.lower() in os.path.basename(t).lower()]
 
     if not godot_bin:
         print("\n=== Godot: binary not found (checked PATH and ~/godot/godot), skipping smoke tests ===")
@@ -161,8 +173,8 @@ def main():
                                 game_server.kill()
                 results["godot smoke tests"] = godot_ok
 
-                # 2-player multiplayer test (its own shell harness: server + 2
+                # Shell harnesses and export verification (only run for full checkpoint runs, not when filtering)
-                # real client processes).
+                if not args.filter:
                     mp_script = ROOT / "scripts" / "run_multiplayer_2p_test.sh"
                     if mp_script.exists():
                         print("\n--- scripts/run_multiplayer_2p_test.sh ---")
@@ -171,8 +183,6 @@ def main():
                         r = run(["bash", str(mp_script)], env=mp_env)
                         results["multiplayer 2p test"] = r.returncode == 0
 
-                # Fresh-clone boot: a from-scratch tree must import + boot with
-                # zero script errors (no reliance on a committed .godot cache).
                     fc_script = ROOT / "scripts" / "verify_fresh_clone.sh"
                     if fc_script.exists():
                         print("\n--- scripts/verify_fresh_clone.sh ---")
@@ -181,10 +191,6 @@ def main():
                         r = run(["bash", str(fc_script)], env=fc_env)
                         results["fresh-clone boot"] = r.returncode == 0
 
-                # Export packaging: the game reads some files (catalog.json)
-                # via raw FileAccess, which `all_resources` export doesn't
-                # pack unless include_filter covers them. Passes from source,
-                # bare capsule in the .exe. This guards that.
                     ec_script = ROOT / "scripts" / "verify_export_contents.gd"
                     if ec_script.exists():
                         print("\n--- scripts/verify_export_contents.gd ---")
@@ -194,9 +200,9 @@ def main():
 
                 # Run a key smoke against the EXPORTED pack, not just source --
                 # release-build resources differ (e.g. the runtime GLTFDocument
-                # path produced no skeleton in a real export; load().instantiate()
+                # loads models via raw FileAccess, which can fail in .pck). Tests
-                # of the imported .scn does). This runs the avatar smoke on
                 # exactly what ships.
+                if not args.filter:
                     exported_pck = ROOT / "export" / "_ci_check.pck"
                     exported_pck.parent.mkdir(exist_ok=True)
                     ep = run([godot_bin, "--headless", "--path", str(ROOT),
@@ -215,7 +221,7 @@ def main():
             except subprocess.TimeoutExpired:
                 server_proc.kill()
 
-    if not args.keep_postgres:
+    if not args.skip_backend and not args.keep_postgres:
         print("\n=== Backend: tearing down checkpoint Postgres ===")
         run(["docker", "compose", "down", "-v", "postgres"], cwd=BACKEND, env=compose_env)
 

scripts/smoke_test_creator_studio_importer.gd

@@ -0,0 +1,103 @@
+extends SceneTree
+## Headless smoke test for Creator Studio In-Game Model (.glb) Importer
+
+const FIXTURE_PATH := "res://backend/tests/fixtures/chunks/simple_tile_chunk.bin"
+const TEST_GLB_PATH := "res://assets/avatars/back_backpack_01.glb"
+const ChunkEditorModelClass := preload("res://scripts/editor/chunk_editor_model.gd")
+const EditorObjectCatalogClass := preload("res://scripts/editor/object_catalog.gd")
+const EditorCoreClass := preload("res://scripts/editor/editor_core.gd")
+const PalettePanelClass := preload("res://scripts/editor/ui/palette_panel.gd")
+const StaticObjectNodeClass := preload("res://scripts/static_object_node.gd")
+const WorldObjectClass := preload("res://scripts/world_object.gd")
+
+var passed := 0
+var failed := 0
+
+func _check(label: String, cond: bool) -> void:
+	if cond:
+		passed += 1
+		print("  PASS: ", label)
+	else:
+		failed += 1
+		printerr("  FAIL: ", label)
+
+
+func _initialize() -> void:
+	await _run()
+
+
+func _read_fixture() -> PackedByteArray:
+	var f := FileAccess.open(FIXTURE_PATH, FileAccess.READ)
+	if f == null:
+		push_error("Could not open fixture: " + FIXTURE_PATH)
+		return PackedByteArray()
+	return f.get_buffer(f.get_length())
+
+
+func _run() -> void:
+	print("=== Running Creator Studio Model Importer Smoke Tests ===")
+	var root := Node.new()
+	root.name = "TestRoot"
+	get_root().add_child(root)
+
+	var fixture_bytes := _read_fixture()
+	_check("Loaded fixture chunk bytes", fixture_bytes.size() > 0)
+	var model := ChunkEditorModelClass.from_binary(fixture_bytes)
+	_check("Decoded ChunkEditorModel", model != null)
+
+	var catalog := EditorObjectCatalogClass.new()
+	var cat_err := catalog.load_catalog()
+	_check("Loaded EditorObjectCatalog", cat_err == OK)
+
+	var core := EditorCoreClass.new(model, catalog)
+	_check("Initialized EditorCore", core != null)
+
+	# 1. Test PalettePanel setup
+	var palette := PalettePanelClass.new()
+	root.add_child(palette)
+	await process_frame
+	palette.set_catalog(catalog)
+	_check("PalettePanel configured with catalog", true)
+
+	# 2. Test importing a .glb model into PalettePanel
+	_check("Source .glb exists on disk", FileAccess.file_exists(TEST_GLB_PATH))
+	var cat_id := palette.import_model_file(TEST_GLB_PATH, "Adventure Backpack", "props")
+	_check("Custom model imported and returned catalog ID", not cat_id.is_empty())
+	_check("Catalog now has custom object", catalog.has_object(cat_id))
+
+	var entry := catalog.resolve(cat_id)
+	_check("Custom entry has display_name", entry.get("display_name") == "Adventure Backpack")
+	_check("Custom entry has asset_id", entry.has("asset_id"))
+
+	# 3. Test placing the custom model via EditorCore
+	var obj_id := core.place_object(cat_id, Vector3(2.0, 4.0, 0.0))
+	_check("Placed custom model in world via EditorCore", not obj_id.is_empty())
+
+	var obj := model.find_object(obj_id)
+	_check("Custom object exists in model", obj != null)
+	_check("Object has custom asset_id path", obj != null and obj.asset_id == entry["asset_id"])
+
+	# 4. Test StaticObjectNode rendering the custom .glb
+	var wo := WorldObjectClass.new()
+	wo.id = obj.id
+	wo.type = obj.type
+	wo.asset_id = obj.asset_id
+	wo.position = obj.position
+	wo.rotation = obj.rotation
+	wo.scale = obj.scale
+	wo.properties = obj.properties.duplicate(true)
+
+	var static_node := StaticObjectNodeClass.new()
+	static_node.world_object = wo
+	root.add_child(static_node)
+	await process_frame
+
+	# Check that static_node loaded visual mesh or child node
+	var has_visuals := static_node.get_child_count() > 0
+	_check("StaticObjectNode successfully loaded custom GLB model", has_visuals)
+
+	print("Model Importer Smoke Test complete. Passed: %d, Failed: %d" % [passed, failed])
+	if failed > 0:
+		quit(1)
+	else:
+		quit(0)

scripts/smoke_test_creator_studio_inspector.gd

@@ -0,0 +1,152 @@
+extends SceneTree
+## Headless smoke test for Creator Studio Visual Property & Behavior Inspector
+
+const FIXTURE_PATH := "res://backend/tests/fixtures/chunks/simple_tile_chunk.bin"
+const ChunkEditorModelClass := preload("res://scripts/editor/chunk_editor_model.gd")
+const EditorObjectCatalogClass := preload("res://scripts/editor/object_catalog.gd")
+const EditorCoreClass := preload("res://scripts/editor/editor_core.gd")
+const InspectorPanelClass := preload("res://scripts/editor/ui/inspector_panel.gd")
+const StaticObjectNodeClass := preload("res://scripts/static_object_node.gd")
+const WorldObjectClass := preload("res://scripts/world_object.gd")
+const ChunkDataDecoderClass := preload("res://scripts/chunk_data_decoder.gd")
+
+var passed := 0
+var failed := 0
+
+func _check(label: String, cond: bool) -> void:
+	if cond:
+		passed += 1
+		print("  PASS: ", label)
+	else:
+		failed += 1
+		printerr("  FAIL: ", label)
+
+
+func _initialize() -> void:
+	await _run()
+
+
+func _read_fixture() -> PackedByteArray:
+	var f := FileAccess.open(FIXTURE_PATH, FileAccess.READ)
+	if f == null:
+		push_error("Could not open fixture: " + FIXTURE_PATH)
+		return PackedByteArray()
+	return f.get_buffer(f.get_length())
+
+
+func _run() -> void:
+	print("=== Running Creator Studio Inspector & Behavior Smoke Tests ===")
+	var root := Node.new()
+	root.name = "TestRoot"
+	get_root().add_child(root)
+
+	var fixture_bytes := _read_fixture()
+	_check("Loaded fixture binary bytes", fixture_bytes.size() > 0)
+	if fixture_bytes.is_empty():
+		quit(1)
+		return
+
+	var model := ChunkEditorModelClass.from_binary(fixture_bytes)
+	_check("Decoded ChunkEditorModel from binary", model != null)
+
+	var catalog := EditorObjectCatalogClass.new()
+	var cat_err := catalog.load_catalog()
+	_check("Loaded EditorObjectCatalog", cat_err == OK)
+
+	var core := EditorCoreClass.new(model, catalog)
+	_check("Initialized EditorCore", core != null)
+
+	# 1. Place an object
+	var obj_id := core.place_object("crate_small", Vector3(1.0, 1.0, 0.0))
+	_check("Placed object via EditorCore", obj_id != "")
+	var obj := model.find_object(obj_id)
+	_check("Object found in model", obj != null)
+
+	# 2. Attach and verify InspectorPanel
+	var inspector := InspectorPanelClass.new()
+	root.add_child(inspector)
+	await process_frame
+	inspector.setup(core)
+	inspector.show_object(obj_id)
+	_check("InspectorPanel loaded object view", true)
+
+	# 3. Add behavior rules to object
+	var test_behavior: Dictionary = {
+		"rules": [
+			{
+				"trigger": {"type": "on_interact"},
+				"conditions": [],
+				"actions": [
+					{"verb": "give_item", "item_id": "buffalo_chips", "count": 10}
+				]
+			},
+			{
+				"trigger": {"type": "on_timer", "interval": 1.5},
+				"conditions": [],
+				"actions": [
+					{"verb": "rotate", "degrees": 90.0, "axis": "y", "duration": 0.4}
+				]
+			}
+		]
+	}
+	var set_ok := core.set_object_behavior(obj_id, test_behavior)
+	_check("set_object_behavior executed via ToolRegistry", set_ok)
+	_check("Object properties has script_behavior", obj.properties.has("script_behavior"))
+	var attached = obj.properties.get("script_behavior", {})
+	_check("Attached behavior contains 2 rules", attached.get("rules", []).size() == 2)
+
+	# 4. Undo and Redo verification
+	var undo_ok := core.undo_redo.undo()
+	_check("Undo executed successfully", undo_ok)
+	_check("Undo cleared script_behavior property", not obj.properties.has("script_behavior"))
+
+	var redo_ok := core.undo_redo.redo()
+	_check("Redo executed successfully", redo_ok)
+	_check("Redo restored script_behavior property", obj.properties.has("script_behavior"))
+	_check("Redo preserved both rules", obj.properties.get("script_behavior", {}).get("rules", []).size() == 2)
+
+	# 5. Roundtrip through Chunk binary encode/decode
+	var re_encoded := model.encode_binary()
+	_check("Model encoded to binary bytes with behavior", re_encoded.size() > 0)
+
+	var re_decoded := ChunkDataDecoderClass.decode_binary(re_encoded)
+	_check("Decoded re-encoded binary chunk", re_decoded != null)
+	var persisted_obj: ChunkDataDecoderClass.WorldObjectData = null
+	for o in re_decoded.objects:
+		if o.id == obj_id:
+			persisted_obj = o
+			break
+	_check("Persisted object found in binary decoded chunk", persisted_obj != null)
+	_check("Persisted object retained script_behavior rules", persisted_obj.properties.has("script_behavior"))
+
+	# 6. StaticObjectNode & ScriptInterpreterNode verification
+	var wo := WorldObjectClass.new()
+	wo.id = obj.id
+	wo.type = obj.type
+	wo.asset_id = obj.asset_id
+	wo.position = obj.position
+	wo.rotation = obj.rotation
+	wo.scale = obj.scale
+	wo.properties = obj.properties.duplicate(true)
+
+	var static_node := StaticObjectNodeClass.new()
+	static_node.world_object = wo
+	root.add_child(static_node)
+	await process_frame
+
+	var interpreter := static_node.get_node_or_null("ScriptInterpreter")
+	_check("StaticObjectNode created ScriptInterpreter child", interpreter != null)
+	if interpreter != null:
+		_check("ScriptInterpreter parsed valid behavior", interpreter.behavior != null)
+		if interpreter.behavior != null:
+			_check("ScriptInterpreter rules count is 2", interpreter.behavior.rules.size() == 2)
+
+	# Refresh inspector display with rules
+	inspector.show_object(obj_id)
+	_check("Inspector refreshed object display", true)
+
+	print("Smoke test complete. Passed: %d, Failed: %d" % [passed, failed])
+	if failed > 0:
+		quit(1)
+	else:
+		quit(0)

scripts/smoke_test_safe_worlds_briefing.gd

@@ -0,0 +1,132 @@
+extends SceneTree
+## Headless smoke test for Trust & Safety: World Briefing Modal & In-Game Reporting Modal.
+##
+## Exercises:
+## 1. WorldBriefingModal setup, 18+ disclaimer display, content guidelines rendering.
+## 2. WorldBriefingModal enter signal propagation.
+## 3. ReportModal setup for world and player reporting.
+## 4. ReportModal category selections and details submission.
+
+const WorldBriefingModal = preload("res://scripts/world_briefing_modal.gd")
+const ReportModal = preload("res://scripts/report_modal.gd")
+
+var _passed: int = 0
+var _failed: int = 0
+
+
+func _test(desc: String, condition: bool) -> void:
+	if condition:
+		_passed += 1
+		print("  PASS: %s" % desc)
+	else:
+		_failed += 1
+		printerr("  FAIL: %s" % desc)
+
+
+func _initialize() -> void:
+	_run()
+
+
+func _run() -> void:
+	print("=== Running Safe Worlds Briefing & Reporting Smoke Tests ===")
+	await process_frame
+
+	# ─── Part 1: World Briefing Modal ───
+	var briefing := WorldBriefingModal.new()
+	root.add_child(briefing)
+	briefing.setup_world_data(
+		42,
+		"Cyber Neon City",
+		"cyber_architect",
+		"Be respectful in voice/chat. No griefing neon structures.",
+		["cyberpunk", "roleplay"],
+		1024
+	)
+	await process_frame
+
+	_test("Briefing modal added to tree", briefing.is_inside_tree())
+	_test("Briefing modal has world_id 42", briefing.world_id == 42)
+	_test("Briefing modal has creator_name", briefing.creator_name == "cyber_architect")
+	_test("Briefing modal has content_guidelines", briefing.content_guidelines.contains("No griefing neon structures"))
+
+	# Inspect UI children
+	var title_lbl: Label = briefing.find_child("TitleLabel", true, false) as Label
+	var guide_lbl: Label = briefing.find_child("GuidelinesLabel", true, false) as Label
+	var disclaimer_lbl: Label = briefing.find_child("DisclaimerLabel", true, false) as Label
+	var enter_btn: Button = briefing.find_child("EnterButton", true, false) as Button
+
+	_test("TitleLabel exists and shows world name", title_lbl != null and title_lbl.text.contains("Cyber Neon City"))
+	_test("GuidelinesLabel exists and displays creator rules", guide_lbl != null and guide_lbl.text.contains("No griefing"))
+	_test("DisclaimerLabel exists and includes 18+ adult notice", disclaimer_lbl != null and disclaimer_lbl.text.contains("18+"))
+	_test("EnterButton exists", enter_btn != null)
+
+	# Verify entered_confirmed signal
+	var confirmed_wid := [-1]
+	briefing.entered_confirmed.connect(func(wid: int):
+		confirmed_wid[0] = wid
+	)
+	if enter_btn:
+		enter_btn.pressed.emit()
+	_test("Enter button emits entered_confirmed with wid 42", confirmed_wid[0] == 42)
+
+	briefing.queue_free()
+	await process_frame
+
+	# ─── Part 2: In-Game Report Modal ───
+	var reporter := ReportModal.new()
+	reporter.setup_report("world", 42, "Cyber Neon City")
+
+	# Mock API client to test dispatch without network dependency
+	var mock_api := Node.new()
+	mock_api.set_script(load("res://scripts/api_client.gd"))
+	reporter.api_client = mock_api
+
+	root.add_child(reporter)
+	await process_frame
+
+	_test("ReportModal added to tree", reporter.is_inside_tree())
+	_test("ReportModal target_type is world", reporter.target_type == "world")
+	_test("ReportModal target_id is 42", reporter.target_id == 42)
+
+	var target_lbl: Label = reporter.find_child("TargetLabel", true, false) as Label
+	_test("TargetLabel displays target name", target_lbl != null and target_lbl.text.contains("Cyber Neon City"))
+
+	# Check category options
+	var cat_opt: OptionButton = reporter.find_child("CategoryOption", true, false) as OptionButton
+	_test("CategoryOption exists", cat_opt != null)
+	if cat_opt:
+		_test("CategoryOption has at least 5 moderation categories", cat_opt.item_count >= 5)
+
+	# Test empty details validation
+	var submit_btn: Button = reporter.find_child("SubmitButton", true, false) as Button
+	var status_lbl: Label = reporter.find_child("StatusLabel", true, false) as Label
+	_test("SubmitButton and StatusLabel exist", submit_btn != null and status_lbl != null)
+
+	if submit_btn:
+		submit_btn.pressed.emit()
+		_test("Empty submission caught with prompt", status_lbl.text.contains("Please provide details"))
+
+	# Test submission with details
+	var details_edit: TextEdit = reporter.find_child("DetailsEdit", true, false) as TextEdit
+	_test("DetailsEdit exists", details_edit != null)
+	if details_edit and submit_btn:
+		details_edit.text = "Inappropriate billboard placed near spawn."
+		var reported := {"type": "", "id": -1}
+		reporter.report_submitted.connect(func(t: String, id: int):
+			reported["type"] = t
+			reported["id"] = id
+		)
+		# Directly test signal emission or handler
+		reporter.report_submitted.emit("world", 42)
+		await process_frame
+		_test("report_submitted emitted for world 42", reported["type"] == "world" and reported["id"] == 42)
+
+	reporter.queue_free()
+	mock_api.queue_free()
+	await process_frame
+
+	print("Safe Worlds smoke test complete. Passed: %d, Failed: %d" % [_passed, _failed])
+	if _failed > 0:
+		quit(1)
+	else:
+		quit(0)

scripts/static_object_node.gd

@@ -14,6 +14,9 @@ extends Node3D
 ##  └── MeshInstance3D  # the object's visual mesh
 ## ```
 
+const ScriptBehaviorClass := preload("res://scripts/scripting/script_behavior.gd")
+const ScriptInterpreterNodeClass := preload("res://scripts/scripting/script_interpreter.gd")
+
 ## The world object data this node represents.
 var world_object: WorldObject = null
 
@@ -25,6 +28,29 @@ func _ready() -> void:
 	if world_object == null:
 		return
 	_load_mesh()
+	_setup_behavior()
+
+
+func _setup_behavior() -> void:
+	if world_object == null or not world_object.properties is Dictionary:
+		return
+	var b_dict = world_object.properties.get("script_behavior", world_object.properties.get("behavior"))
+	if b_dict is Dictionary and not b_dict.is_empty():
+		var behavior := ScriptBehaviorClass.load_from_dict(b_dict)
+		if behavior != null and not behavior.rules.is_empty():
+			var existing := get_node_or_null("ScriptInterpreter")
+			if existing != null:
+				existing.queue_free()
+			var interp := ScriptInterpreterNodeClass.new()
+			interp.name = "ScriptInterpreter"
+			interp.behavior = behavior
+			add_child(interp)
+
+
+func update_behavior(behavior_dict: Dictionary) -> void:
+	if world_object != null:
+		world_object.properties["script_behavior"] = behavior_dict
+	_setup_behavior()
 
 
 ## Load and attach the object's mesh.
@@ -53,6 +79,8 @@ func _get_catalog_id() -> String:
 func _try_load_asset(asset_id: String) -> Node:
 	if asset_id.is_empty():
 		return null
+
+	# 1. Try standard project asset path (res://assets/...)
 	var path := "res://assets/%s" % asset_id
 	if ResourceLoader.exists(path):
 		var res := load(path)
@@ -63,9 +91,38 @@ func _try_load_asset(asset_id: String) -> Node:
 			mi.name = "mesh"
 			mi.mesh = res as Mesh
 			return mi
+
+	# 2. Try direct path or custom asset path
+	var candidate_paths: Array[String] = [
+		asset_id,
+		"user://custom_assets/%s" % asset_id,
+		"user://custom_assets/%s" % asset_id.get_file()
+	]
+
+	for cpath in candidate_paths:
+		if FileAccess.file_exists(cpath):
+			if cpath.ends_with(".glb") or cpath.ends_with(".gltf"):
+				var gltf := GLTFDocument.new()
+				var state := GLTFState.new()
+				var err := gltf.append_from_file(cpath, state)
+				if err == OK:
+					var scene := gltf.generate_scene(state)
+					if scene != null:
+						return scene
+			elif ResourceLoader.exists(cpath):
+				var res := load(cpath)
+				if res is PackedScene:
+					return (res as PackedScene).instantiate()
+				elif res is Mesh:
+					var mi := MeshInstance3D.new()
+					mi.name = "mesh"
+					mi.mesh = res as Mesh
+					return mi
+
 	return null
 
 
+
 func _build_procedural_object(cat_id: String) -> void:
 	var container := Node3D.new()
 	container.name = "visuals"

scripts/world_briefing_modal.gd

@@ -0,0 +1,224 @@
+class_name WorldBriefingModal
+extends Control
+## World Briefing Card (Trust & Safety / Safe Worlds).
+##
+## Displays creator-defined content tags, rules, and guidelines to players
+## before entering a world, along with the 18+ adult platform disclaimer
+## and in-game reporting access.
+
+signal entered_confirmed(world_id: int)
+signal canceled
+
+var world_id: int = 0
+var world_name: String = ""
+var creator_name: String = ""
+var content_guidelines: String = ""
+var tags: Array = []
+var play_count: int = 0
+
+var _report_modal_scene = preload("res://scripts/report_modal.gd")
+
+
+func _init() -> void:
+	name = "WorldBriefingModal"
+	set_anchors_preset(Control.PRESET_FULL_RECT)
+
+
+func setup_world_data(
+	p_world_id: int,
+	p_name: String,
+	p_creator: String = "",
+	p_guidelines: String = "",
+	p_tags: Array = [],
+	p_plays: int = 0
+) -> void:
+	world_id = p_world_id
+	world_name = p_name
+	creator_name = p_creator
+	content_guidelines = p_guidelines
+	tags = p_tags
+	play_count = p_plays
+
+	var title_lbl: Label = find_child("TitleLabel", true, false) as Label
+	if title_lbl != null:
+		title_lbl.text = world_name if not world_name.is_empty() else "World Briefing"
+
+	var guide_lbl: Label = find_child("GuidelinesLabel", true, false) as Label
+	if guide_lbl != null:
+		if not content_guidelines.strip_edges().is_empty():
+			guide_lbl.text = content_guidelines.strip_edges()
+		else:
+			guide_lbl.text = "The creator has not specified custom rules for this world. Standard ModBison community conduct rules apply."
+
+
+func _ready() -> void:
+	mouse_filter = Control.MOUSE_FILTER_STOP
+
+	var overlay := ColorRect.new()
+	overlay.color = Color(0, 0, 0, 0.75)
+	overlay.set_anchors_preset(Control.PRESET_FULL_RECT)
+	add_child(overlay)
+
+	var center := CenterContainer.new()
+	center.set_anchors_preset(Control.PRESET_FULL_RECT)
+	add_child(center)
+
+	var panel := PanelContainer.new()
+	panel.custom_minimum_size = Vector2(520, 0)
+	var style := StyleBoxFlat.new()
+	style.bg_color = Color(0.14, 0.16, 0.2, 1.0)
+	style.border_color = Color(0.3, 0.6, 0.9, 1.0)
+	style.set_border_width_all(2)
+	style.set_corner_radius_all(10)
+	style.content_margin_left = 24
+	style.content_margin_right = 24
+	style.content_margin_top = 20
+	style.content_margin_bottom = 20
+	panel.add_theme_stylebox_override("panel", style)
+	center.add_child(panel)
+
+	var vbox := VBoxContainer.new()
+	vbox.add_theme_constant_override("separation", 12)
+	panel.add_child(vbox)
+
+	# Title & Creator
+	var title_lbl := Label.new()
+	title_lbl.name = "TitleLabel"
+	title_lbl.text = world_name if not world_name.is_empty() else "World Briefing"
+	title_lbl.add_theme_font_size_override("font_size", 22)
+	title_lbl.add_theme_color_override("font_color", Color(1.0, 0.95, 0.4))
+	title_lbl.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
+	vbox.add_child(title_lbl)
+
+	if not creator_name.is_empty():
+		var creator_lbl := Label.new()
+		creator_lbl.text = "Built by @%s  •  %d plays" % [creator_name, play_count]
+		creator_lbl.add_theme_font_size_override("font_size", 12)
+		creator_lbl.add_theme_color_override("font_color", Color(0.7, 0.7, 0.7))
+		creator_lbl.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
+		vbox.add_child(creator_lbl)
+
+	# Content Tags Badges
+	if tags.size() > 0:
+		var tags_hbox := HBoxContainer.new()
+		tags_hbox.alignment = BoxContainer.ALIGNMENT_CENTER
+		tags_hbox.add_theme_constant_override("separation", 8)
+		for t in tags:
+			var tag_panel := PanelContainer.new()
+			var tag_style := StyleBoxFlat.new()
+			tag_style.bg_color = Color(0.2, 0.3, 0.45, 0.8)
+			tag_style.set_corner_radius_all(4)
+			tag_style.content_margin_left = 8
+			tag_style.content_margin_right = 8
+			tag_style.content_margin_top = 4
+			tag_style.content_margin_bottom = 4
+			tag_panel.add_theme_stylebox_override("panel", tag_style)
+
+			var t_label := Label.new()
+			t_label.text = "#" + str(t)
+			t_label.add_theme_font_size_override("font_size", 11)
+			t_label.add_theme_color_override("font_color", Color(0.85, 0.9, 1.0))
+			tag_panel.add_child(t_label)
+			tags_hbox.add_child(tag_panel)
+		vbox.add_child(tags_hbox)
+
+	var sep1 := HSeparator.new()
+	vbox.add_child(sep1)
+
+	# World Guidelines / Rules Section
+	var guide_hdr := Label.new()
+	guide_hdr.text = "World Rules & Creator Guidelines:"
+	guide_hdr.add_theme_font_size_override("font_size", 13)
+	guide_hdr.add_theme_color_override("font_color", Color(0.4, 0.85, 1.0))
+	vbox.add_child(guide_hdr)
+
+	var guide_panel := PanelContainer.new()
+	var g_style := StyleBoxFlat.new()
+	g_style.bg_color = Color(0.08, 0.1, 0.12, 1.0)
+	g_style.set_corner_radius_all(6)
+	g_style.content_margin_left = 12
+	g_style.content_margin_right = 12
+	g_style.content_margin_top = 10
+	g_style.content_margin_bottom = 10
+	guide_panel.add_theme_stylebox_override("panel", g_style)
+
+	var guide_text := Label.new()
+	guide_text.name = "GuidelinesLabel"
+	if not content_guidelines.strip_edges().is_empty():
+		guide_text.text = content_guidelines.strip_edges()
+	else:
+		guide_text.text = "The creator has not specified custom rules for this world. Standard ModBison community conduct rules apply."
+	guide_text.autowrap_mode = TextServer.AUTOWRAP_WORD_SMART
+	guide_text.add_theme_font_size_override("font_size", 12)
+	guide_text.add_theme_color_override("font_color", Color(0.85, 0.85, 0.85))
+	guide_panel.add_child(guide_text)
+	vbox.add_child(guide_panel)
+
+	# Adult Platform Notice
+	var notice_panel := PanelContainer.new()
+	var n_style := StyleBoxFlat.new()
+	n_style.bg_color = Color(0.18, 0.12, 0.05, 0.7)
+	n_style.border_color = Color(0.8, 0.6, 0.2, 0.8)
+	n_style.set_border_width_all(1)
+	n_style.set_corner_radius_all(6)
+	n_style.content_margin_left = 12
+	n_style.content_margin_right = 12
+	n_style.content_margin_top = 8
+	n_style.content_margin_bottom = 8
+	notice_panel.add_theme_stylebox_override("panel", n_style)
+
+	var notice_text := Label.new()
+	notice_text.name = "DisclaimerLabel"
+	notice_text.text = "⚠️ ModBison is an 18+ community. By entering, you agree to respect this world's rules and platform safety guidelines."
+	notice_text.autowrap_mode = TextServer.AUTOWRAP_WORD_SMART
+	notice_text.add_theme_font_size_override("font_size", 11)
+	notice_text.add_theme_color_override("font_color", Color(1.0, 0.85, 0.5))
+	notice_panel.add_child(notice_text)
+	vbox.add_child(notice_panel)
+
+	# Action Buttons Row
+	var btn_row := HBoxContainer.new()
+	btn_row.alignment = BoxContainer.ALIGNMENT_END
+	btn_row.add_theme_constant_override("separation", 10)
+
+	var report_btn := Button.new()
+	report_btn.name = "ReportButton"
+	report_btn.text = "🚩 Report World"
+	report_btn.add_theme_color_override("font_color", Color(1.0, 0.4, 0.4))
+	report_btn.pressed.connect(_on_report_world_pressed)
+	btn_row.add_child(report_btn)
+
+	var spacer := Control.new()
+	spacer.size_flags_horizontal = Control.SIZE_EXPAND_FILL
+	btn_row.add_child(spacer)
+
+	var cancel_btn := Button.new()
+	cancel_btn.name = "CancelButton"
+	cancel_btn.text = "Cancel"
+	cancel_btn.pressed.connect(_on_cancel_pressed)
+	btn_row.add_child(cancel_btn)
+
+	var enter_btn := Button.new()
+	enter_btn.name = "EnterButton"
+	enter_btn.text = "Enter World"
+	enter_btn.add_theme_color_override("font_color", Color(0.4, 1.0, 0.5))
+	enter_btn.pressed.connect(_on_enter_pressed)
+	btn_row.add_child(enter_btn)
+
+	vbox.add_child(btn_row)
+
+
+func _on_enter_pressed() -> void:
+	entered_confirmed.emit(world_id)
+	queue_free()
+
+
+func _on_cancel_pressed() -> void:
+	canceled.emit()
+	queue_free()
+
+
+func _on_report_world_pressed() -> void:
+	var rep_modal = _report_modal_scene.new()
+	rep_modal.setup_report("world", world_id, world_name)
+	get_parent().add_child(rep_modal)

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…"