refactor: trim over-broad models/init.py exports

models/__init__.py

@@ -1,4 +1,4 @@
-from models.bubble_display import BubbleMetadata, BubbleRole, DisplayBubble
+from models.bubble_display import DisplayBubble
 from models.cli_session import CliSessionMeta
 from models.conversation import Bubble, Composer, Conversation, WorkspaceLocalComposer
 from models.errors import SchemaError
@@ -9,8 +9,6 @@
 
 __all__ = [
     "Bubble",
-    "BubbleMetadata",
-    "BubbleRole",
     "CliSessionMeta",
     "DisplayBubble",
     "Composer",

services/workspace_tabs.py

@@ -26,13 +26,12 @@
 from utils.workspace_descriptor import read_json_file
 from models import (
     Bubble,
-    BubbleMetadata,
-    BubbleRole,
     Composer,
     DisplayBubble,
     ParseWarningCollector,
     SchemaError,
 )
+from models.bubble_display import BubbleMetadata, BubbleRole
 from models.raw_access import (
     conversation_header_bubble_id,
     message_request_context_project_layouts,

utils/cursor_md_exporter.py

@@ -21,7 +21,8 @@
 from pathlib import Path
 from typing import Any
 
-from models import Bubble, BubbleRole, DisplayBubble
+from models import Bubble, DisplayBubble
+from models.bubble_display import BubbleRole
 from utils.cli_chat_reader import traverse_blobs, messages_to_bubbles
 from utils.display_bubble import (
     annotate_response_times,

utils/display_bubble.py

@@ -5,7 +5,8 @@
 from datetime import datetime
 from typing import Any, cast
 
-from models import Bubble, BubbleMetadata, BubbleRole, DisplayBubble
+from models import Bubble, DisplayBubble
+from models.bubble_display import BubbleMetadata, BubbleRole
 from utils.path_helpers import to_epoch_ms
 from utils.text_extract import extract_text_from_bubble
 from utils.tool_parser import parse_tool_call