feat: add FP submission editing with lifecycle tracking, clickable workflow badges, and edit modal

- Add migration for lifecycle_status, batch UUID, updated_at columns and submission history table
- Add backend endpoints: GET/PUT/POST/PATCH for viewing, editing, adding findings/attachments, and status changes
- Add pure helpers: validateLifecycleTransition, mergeFindings, buildSubmissionHistoryEntry
- Add FpEditModal with tabbed UI (Details, Findings, Attachments, History)
- Make workflow badges clickable for Reworked/Rejected/Expired states with pencil icon
- Add submissions list section to QueuePanel with lifecycle status badges
- Wire state and data flow in ReportingPage for submissions fetch and edit callbacks

.kiro/specs/fp-submission-editing/.config.kiro

@@ -0,0 +1 @@
+{"specId": "a7e2c1f8-9b34-4d6a-b5e0-8f1c3a2d7e90", "workflowType": "requirements-first", "specType": "feature"}