- create useAigcRecordStore to centralize current AIGC generation record state
- add video media type support to ResultPreview component
- update RecordCard to only display view button for completed tasks
- implement custom recharge amount with input validation and 9999 max limit
- refactor detail page to load record from Pinia store instead of mock data
- clean up TemplateCarousel markup and remove unused badge styles
- fix minor formatting and code style issues