feat: add cross-platform start.sh script and update package.json for macOS/Linux

clean_zip.py

@@ -0,0 +1,37 @@
+import os
+import zipfile
+
+zip_name = 'ShadowBroker_v0.1.zip'
+
+if os.path.exists(zip_name):
+    try:
+        os.remove(zip_name)
+    except Exception as e:
+        print(f"Failed to delete old zip: {e}")
+
+def add_dir(zipf, dir_path, excludes):
+    for root, dirs, files in os.walk(dir_path):
+        dirs[:] = [d for d in dirs if d not in excludes]
+        for f in files:
+            file_path = os.path.join(root, f)
+            zipf.write(file_path, arcname=file_path)
+
+try:
+    with zipfile.ZipFile(zip_name, 'w', zipfile.ZIP_DEFLATED) as zipf:
+        print("Zipping backend...")
+        add_dir(zipf, 'backend', {'venv', '__pycache__'})
+        
+        print("Zipping frontend...")
+        add_dir(zipf, 'frontend', {'node_modules', '.next'})
+        
+        print("Zipping root files...")
+        zipf.write('docker-compose.yml')
+        zipf.write('start.bat')
+        zipf.write('start.sh')
+        zipf.write('README.md')
+
+    final_size = os.path.getsize(zip_name) / (1024 * 1024)
+    print(f"\n✅ SUCCESS! Created {zip_name}. Final size: {final_size:.2f} MB")
+
+except Exception as e:
+    print(f"\n❌ ERROR creating zip: {e}")