fix: increase realtime createdAt filter max from 24h to 7d

Increases the REALTIME_MAXIMUM_CREATED_AT_FILTER_AGE_IN_MS default from
24 hours to 7 days. This allows useRealtimeRunsWithTag and similar hooks
to correctly show runs older than 24h when clients request createdAt: '1w'.

Fixes #3018

Author: Kai Gritun

apps/webapp/app/env.server.ts

@@ -226,7 +226,7 @@ const EnvironmentSchema = z
     REALTIME_MAXIMUM_CREATED_AT_FILTER_AGE_IN_MS: z.coerce
       .number()
       .int()
-      .default(24 * 60 * 60 * 1000), // 1 day in milliseconds
+      .default(7 * 24 * 60 * 60 * 1000), // 7 days in milliseconds
 
     PUBSUB_REDIS_HOST: z
       .string()