Bug Fixes & Stability Improvements

A round of fixes across the platform to keep things running smoothly:

• The prompts table is noticeably faster to interact with on large workspaces.
• Usage limit emails now show the exact date the usage was checked.
• Long product URLs no longer overflow the suggested-prompts modal in Shopping.
• Report schedule timezones are validated, preventing broken scheduled reports.
• The month calendar's "more" label now matches the events actually shown.