1. add real-time form validation prompt component for submission page
2. add URL validation for official website and screenshot format checks
3. refactor form validity calculation and user input status judgment
4. replace mirror switch with configurable base URL, support dev proxy path handling
5. add processing logic for base64 format screenshots
6. optimize history search and form reset logic
1. update version to 5.2.1 in changelog and package.json
2. add real-time upload progress display in submission window
3. optimize icon filename display and form reset logic
4. add success modal after successful submission
5. improve logging formatting in submitter backend
1. add shell caller ssupdate command support
2. add pre-update system refresh for update center
3. add get-git-email IPC handler and auto-fill email
4. optimize deb submission UI and category handling
5. disable and auto-fill package name/version fields
6. add loading and error states for category list
7. fix category value matching for history data
shenmo7192
gfdgd-xi