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.

scripts/dev-up.cmd

@@ -0,0 +1,4 @@
+@echo off
+setlocal
+powershell -ExecutionPolicy Bypass -File "%~dp0dev-up.ps1" %*
+exit /b %errorlevel%

scripts/dev-up.ps1

@@ -37,11 +37,11 @@ Write-Step 'Container status'
 docker compose ps
 
 Write-Step 'Health checks'
-$backendOk = Wait-Http200 -url 'http://localhost:8000/openapi.json' -timeoutSeconds $HealthTimeoutSeconds
+$backendOk = Wait-Http200 -url 'http://localhost:8000/health' -timeoutSeconds $HealthTimeoutSeconds
 $frontendOk = if ($BackendOnly) { $true } else { Wait-Http200 -url 'http://localhost:3000/' -timeoutSeconds $HealthTimeoutSeconds }
 
 if (-not $backendOk) {
-    Write-Error 'Backend health check failed: http://localhost:8000/openapi.json did not return HTTP 200 in time.'
+    Write-Error 'Backend health check failed: http://localhost:8000/health did not return HTTP 200 in time.'
     exit 1
 }
 if (-not $frontendOk) {
@@ -50,7 +50,7 @@ if (-not $frontendOk) {
 }
 
 Write-Step 'All good'
-Write-Host 'Backend:  http://localhost:8000/openapi.json (OK)' -ForegroundColor Green
+Write-Host 'Backend:  http://localhost:8000/health (OK)' -ForegroundColor Green
 if (-not $BackendOnly) {
     Write-Host 'Frontend: http://localhost:3000/ (OK)' -ForegroundColor Green
 }