Bug Fixes & Stability Improvements

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

• The AI rewriter in the content editor now works reliably.
• You can save monitor settings even when the end date is already in the past.
• The state/city selector on monitor settings is easier to clear.
• Competitor heatmap percentages no longer shift due to timezone date-range issues.
• ChatGPT link responses now render correctly.
• Large GEO 360 page insight exports now complete successfully.
• Dashboards no longer show data from inactive monitors.
• Crawler log filters now include 410 and other previously missing status codes.