refactor: remove legacy scheduling and analytics code

- Deleted the scheduler module and its associated functions, transitioning to OS-level scheduling.
- Removed the Analytics module and its related interfaces, retaining only a placeholder for backward compatibility.
- Updated ConfigValidator to warn about legacy schedule and analytics configurations.
- Cleaned up StartupValidator to remove diagnostics and schedule validation logic.
- Adjusted Load.ts to handle legacy flags for diagnostics and analytics.
- Removed unused diagnostics capturing functionality.

docs/proxy.md

@@ -113,7 +113,7 @@ curl --proxy http://user:pass@proxy.com:8080 http://httpbin.org/ip
 ## 📚 Next Steps
 
 **Proxy working?**  
-→ **[Setup Scheduler](./schedule.md)**
+→ **[Schedule Runs](./schedule.md)**
 
 **Need humanization?**  
 → **[Humanization Guide](./humanization.md)**