FIXES:
- Add nextAnalysisIn and analysisInterval fields to AutomationStatus interface
- Calculate countdown timer based on nextScheduled time from database
- Update nextScheduled time in database at start of each automation cycle
- Frontend timer will now show proper countdown instead of 'Analyzing now...'
- Analysis Timer will show: '4:32' (next analysis in 4 min 32 sec)
- Progress bar will display proper countdown visualization
- Timer updates every second showing time until next analysis cycle
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