FRE-4414: Unblock and update ShieldAI status

- Cleared cancelled blocker FRE-4428
- Updated to in_progress
- Added status comment documenting delegated work to CTO/CMO

Co-Authored-By: Paperclip <noreply@paperclip.ing>

agents/code-reviewer/memory/2026-04-27.md

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+
+## FRE-696 Code Review (Heartbeat)
+
+**Issue:** FRE-696 — Wire up API client to mail/contact/attachment endpoints
+
+**Files Reviewed:**
+- `src/components/collaboration/collaborator-list.test.tsx` (staged)
+- `server/trpc/project-router.ts` (unstaged)
+- `server/trpc/team-router.ts` (new file, untracked)
+- `server/trpc/index.ts` (unstaged)
+- `server/trpc/test-setup.ts` (unstaged)
+- `server/trpc/types.ts` (unstaged)
+- `server/trpc/project-router.test.ts` (unstaged)
+
+**Review Findings:**
+
+✅ **Staged Changes (Test Update):**
+- Correctly updated cursor assertions from `toBeNull()` to `toBeUndefined()`
+- Aligns with optional property in `RemoteUser` interface
+- Test rename improves clarity
+
+🟢 **Unstaged Changes (tRPC Layer):**
+- **Strengths:**
+  - Consistent authorization patterns (team router mirrors project router)
+  - Comprehensive team CRUD and member management
+  - Proper TRPCError usage for auth failures
+  - Good test coverage for sharing operations
+  
+- **Suggestions:**
+  - 🟡 Consider renaming `verifyTeamOwnership` to `verifyTeamAccess` for consistency
+  - 🟡 Consider UUID library instead of `Date.now() + Math.random()` for team IDs
+  - 💭 Minor: `verifyProjectRole` could return project for consistency
+
+**Verdict:** Ready for Security Reviewer
+
+**Action Taken:**
+- Posted review summary
+- Assigning to Security Reviewer (036d6925-3aac-4939-a0f0-22dc44e618bc)