Add RAID Controller Management to Tools page

Unified card for LSI/Broadcom and Intel VROC controllers: auto-detects
foreign configurations and warns the operator with Import/Clear actions;
allows creating RAID 1 mirrors from unconfigured drives regardless of
controller type. Live output streams via SSE into an inline terminal.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

audit/internal/webui/page_export_tools.go

@@ -406,7 +406,9 @@ func renderTools() string {
 
 ` + renderSAADMICard() + `
 
-` + renderIPMIFRUCard()
+` + renderIPMIFRUCard() + `
+
+` + renderRAIDMgmtCard()
 }
 
 func renderExportIndex(exportDir string) (string, error) {