Update Pier_v1 project

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

랜딩페이지/drawing-worker.py

@@ -0,0 +1,45 @@
+"""Run the existing extraction API headlessly and stream JSON lines to the popup."""
+import argparse
+import json
+from pathlib import Path
+import sys
+
+
+def emit(kind, **values):
+    print(json.dumps(dict(type=kind, **values), ensure_ascii=False), flush=True)
+
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument('mode', choices=['choose', 'extract'])
+    parser.add_argument('folder', nargs='?')
+    parser.add_argument('--output')
+    args = parser.parse_args()
+    if args.mode == 'choose':
+        import tkinter as tk
+        from tkinter import filedialog
+        root = tk.Tk()
+        root.withdraw()
+        root.attributes('-topmost', True)
+        try:
+            folder = filedialog.askdirectory(parent=root, title='DWG 도면이 들어 있는 폴더 선택')
+        finally:
+            root.destroy()
+        emit('folder', folder=folder)
+        return
+    if not args.folder or not args.output:
+        raise ValueError('도면 폴더와 결과 경로가 필요합니다.')
+    project = Path(__file__).resolve().parent.parent
+    sys.path.insert(0, str(project / '도면추출'))
+    from integration.bridge_extract import extract_folder
+    result = extract_folder(args.folder, output_dir=args.output,
+                            on_progress=lambda message: emit('log', message=message))
+    emit('result', result=result.to_dict(include_data=False))
+
+
+if __name__ == '__main__':
+    try:
+        main()
+    except Exception as error:
+        emit('error', message=str(error))
+        sys.exit(1)