feat: Add Playbook Manager, Saved Searches, and Timeline View components

- Implemented PlaybookManager for creating and managing investigation playbooks with templates.
- Added SavedSearches component for managing bookmarked queries and recurring scans.
- Introduced TimelineView for visualizing forensic event timelines with zoomable charts.
- Enhanced backend processing with auto-queued jobs for dataset uploads and improved database concurrency.
- Updated frontend components for better user experience and performance optimizations.
- Documented changes in update log for future reference.

_fix_last_dep_networkmap.py

@@ -0,0 +1,10 @@
+from pathlib import Path
+p=Path(r'd:/Projects/Dev/ThreatHunt/frontend/src/components/NetworkMap.tsx')
+t=p.read_text(encoding='utf-8')
+count=t.count('}, [canvasSize]);')
+if count:
+    t=t.replace('}, [canvasSize]);','}, [canvasSize, labelMode]);')
+# In case formatter created spaced variant
+t=t.replace('}, [canvasSize ]);','}, [canvasSize, labelMode]);')
+p.write_text(t,encoding='utf-8')
+print('patched remaining canvasSize callback deps:', count)