diff --git a/docs/implplan/SPRINT_20260104_001_BE_determinism_timeprovider_injection.md b/docs/implplan/SPRINT_20260104_001_BE_determinism_timeprovider_injection.md
index d6624498d..1c8332393 100644
--- a/docs/implplan/SPRINT_20260104_001_BE_determinism_timeprovider_injection.md
+++ b/docs/implplan/SPRINT_20260104_001_BE_determinism_timeprovider_injection.md
@@ -115,6 +115,8 @@ services.AddSingleton<IGuidProvider, SystemGuidProvider>();
 | 2026-01-04 | DET-003: Created DeterminismServiceCollectionExtensions with AddDeterminismDefaults() | Agent |
 | 2026-01-04 | DET-004: Policy.Unknowns refactored - UnknownsRepository, BudgetExceededEventFactory, ServiceCollectionExtensions | Agent |
 | 2026-01-04 | Fixed Policy.Exceptions csproj - added ImplicitUsings, Nullable, PackageReferences | Agent |
+| 2026-01-04 | DET-004: Policy refactored - BudgetLedger, EarnedCapacityEvaluator, BudgetThresholdNotifier, BudgetConstraintEnforcer, EvidenceFreshnessGate | Agent |
+| 2026-01-04 | Scope note: 100+ files in Policy module alone need determinism refactoring. Multi-session effort. | Agent |
 
 ## Decisions & Risks
 - **Decision:** Defer determinism refactoring from MAINT audit to dedicated sprint for focused, systematic approach.