* feat: persist client last online and expose API
* feat(ui): show client last online in table and info modal
* i18n: add “Last Online” across locales
* chore: format timestamps as HH:mm:ss
- Hide the “Created” and “Updated” columns in the clients
- Ensures the “All-time Traffic” column no longer overlaps with adjacent columns.
- Improves layout readability and prevents UI cluttering after the v2.6.7 update.
Closes#3399
* feat(db): add allTime field to Inbound and ClientTraffic models
* feat(inbound): increment all_time for inbounds and clients on traffic updates
calculate correct all_time traffic on migrate command
* feat(ui): show all-time traffic column for inbounds and its clients
* i18n: add pages.inbounds.allTimeTraffic label across locales
* Add All Time Traffic Usage in inbounds page top banner
* feat(backend): add created_at/updated_at to clients and maintain on create/update
backfill existing clients and set updated_at on mutations
* feat(frontend): carry created_at/updated_at in client models and round-trip via JSON
* feat(frontend): display Created and Updated columns in client table with proper date formatting
* i18n: add pages.inbounds.createdAt/updatedAt across all locales
* Update inbound.go
Remove duplicate code
* moved db to user folder on windows
* moved db to local appdata
* made getDBFolderPath func private
* added getWindowsDbPath() func
* fix
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Co-authored-by: mhsanaei <ho3ein.sanaei@gmail.com>