fix(main): 优化重量识别逻辑与日志；防抖时间调整为2s；从版本控制中移除.idea和objectbox-models

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

.gitignore

@@ -1,15 +1,12 @@
 *.iml
 .gradle
 /local.properties
-/.idea/caches
-/.idea/libraries
-/.idea/modules.xml
-/.idea/workspace.xml
-/.idea/navEditor.xml
-/.idea/assetWizardSettings.xml
+/.idea/
 .DS_Store
 /build
 /captures
 .externalNativeBuild
 .cxx
 local.properties
+app/objectbox-models/*.json
+app/objectbox-models/*.json.bak