refactor(frontend): timezone-safe date handling with London-aware utilities

Introduce getLondonTodayCalendarDate(), parseWallClockDate(), and formatLocalDateTime() for reliable Europe/London timezone handling. Replace ad-hoc SvelteDate/new Date() usage with these utilities across all components and stores. Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
2026-06-24 23:43:58 +01:00
parent e4b9003439
commit 4ac7768070
32 changed files with 618 additions and 515 deletions
@@ -752,7 +752,8 @@
 		return new Date(dateStr).toLocaleDateString('en-GB', {
 			day: 'numeric',
 			month: 'short',
-			year: 'numeric'
+			year: 'numeric',
+			timeZone: 'Europe/London'
 		});
 	}