Add Remediate workflow type to Ivanti Queue with remediation notes

- Add 'Remediate' as a valid workflow type (vendor-required, like FP/Archer)
- Create queue_remediation_notes table with FK cascade and 5000 char limit
- Add POST/GET /api/ivanti/todo-queue/:id/notes endpoints
- Include remediation_notes_count in queue item GET response
- Add RemediationModal component for viewing/adding notes
- Add notes count badge on Remediate queue items (purple #A855F7 theme)
- Add delete confirmation warning when removing items with notes
- Append remediation notes to Jira ticket descriptions
- Add property-based tests for all correctness properties

frontend/src/components/pages/ReportingPage.js

@@ -1468,6 +1468,7 @@ function AddToQueuePopover({ finding, anchorRect, queueForm, setQueueForm, onAdd
                         { key: 'CARD',    col: '#10B981', rgb: '16,185,129' },
                         { key: 'GRANITE', col: '#A1887F', rgb: '161,136,127' },
                         { key: 'DECOM',   col: '#EF4444', rgb: '239,68,68' },
+                        { key: 'Remediate', col: '#A855F7', rgb: '168,85,247' },
                     ].map(({ key, col, rgb }) => {
                         const active = queueForm.workflowType === key;
                         return (