[AZ-1132] Bump FluentValidation 12.0.0 to 12.1.1

Closes D-AZ795-1 production dependency carry-over.

Co-authored-by: Cursor <cursoragent@cursor.com>

_docs/03_implementation/batch_01_cycle15_report.md

@@ -0,0 +1,31 @@
+# Batch Report
+
+**Batch**: 1
+**Tasks**: AZ-1132_fluentvalidation_bump
+**Date**: 2026-06-26
+**Cycle**: 15
+
+## Task Results
+
+| Task | Status | Files Modified | Tests | AC Coverage | Issues |
+|------|--------|---------------|-------|-------------|--------|
+| AZ-1132 | Done | 5 files | Validator unit: 144/144 PASS (host) | 5/5 ACs covered | Docker `protoc` segfault blocks `./scripts/run-tests.sh` on this host — Step 11 gate |
+
+## AC Test Coverage
+
+| AC | Verification |
+|----|--------------|
+| AC-1 | `SatelliteProvider.Api.csproj` pins FluentValidation + DI extensions at 12.1.1 |
+| AC-2 | `dotnet test --filter FullyQualifiedName~Validators` → 144 passed |
+| AC-3 | Integration validation suites deferred to Step 11 (`run-tests.sh` full) |
+| AC-4 | `dotnet list package --vulnerable` — Api has no vulnerable packages |
+| AC-5 | `dependency_scan_cycle15.md` + `security_report_cycle15.md` mark D-AZ795-1 Resolved |
+
+## Code Review Verdict: PASS
+
+Patch-level dependency bump only; no production logic, contract, or validator rule changes.
+
+## Auto-Fix Attempts: 0
+## Stuck Agents: None
+
+## Next Batch: All tasks complete