feat(03-02): export ApprovalHandler and ProgressMonitor from package

Add exports for:
- ApprovalHandler, ApprovalState
- ProgressMonitor, ProgressInfo

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

gsd-openclaw/src/gsd_openclaw/__init__.py

@@ -11,6 +11,8 @@ from gsd_openclaw.state_manager import SessionState, StateManager, save_state, l
 from gsd_openclaw.workspace import Workspace, WorkspaceManager
 from gsd_openclaw.tmux_session import TmuxSession, TmuxSessionManager, SessionInfo
 from gsd_openclaw.command_executor import CommandResult, OutputCapture, CommandExecutor
+from gsd_openclaw.approval_handler import ApprovalHandler, ApprovalState
+from gsd_openclaw.progress_monitor import ProgressMonitor, ProgressInfo
 
 __all__ = [
     "SessionState",
@@ -25,4 +27,8 @@ __all__ = [
     "CommandResult",
     "OutputCapture",
     "CommandExecutor",
+    "ApprovalHandler",
+    "ApprovalState",
+    "ProgressMonitor",
+    "ProgressInfo",
 ]