diff --git a/fe-admin/src/components/pe/PeDetailTabs.tsx b/fe-admin/src/components/pe/PeDetailTabs.tsx
index 92875ec..9167056 100644
--- a/fe-admin/src/components/pe/PeDetailTabs.tsx
+++ b/fe-admin/src/components/pe/PeDetailTabs.tsx
@@ -966,7 +966,13 @@ function BudgetAdjustSection({ ev, readOnly }: { ev: PeDetailBundle; readOnly: b
     && actorInCurrentLevel
     && approverEditBudgetAllowed
 
-  const canAdjust = !readOnly && (isAdmin || (isDrafter && isDrafterPhase) || isApproverChoDuyet)
+  // S23 t2 bug fix: F4 Approver scope BYPASS readOnly (mirror F3 itemsReadOnly
+  // pattern). Khi admin tick AllowApproverEditBudget cho slot + actor match +
+  // Phase=ChoDuyet → button "Điều chỉnh" enable trong menu Duyệt (readOnly=true)
+  // dù chế độ chỉ-đọc. Drafter + Admin vẫn cần !readOnly (chỉ active từ Workspace).
+  const canAdjust = isAdmin
+    || (!readOnly && isDrafter && isDrafterPhase)
+    || isApproverChoDuyet
 
   const initialManual = (ev.budgetManualName !== null || ev.budgetManualAmount !== null) && !ev.budgetId
   const [manualMode, setManualMode] = useState(initialManual)
diff --git a/fe-user/src/components/pe/PeDetailTabs.tsx b/fe-user/src/components/pe/PeDetailTabs.tsx
index dec220d..2bb6a9c 100644
--- a/fe-user/src/components/pe/PeDetailTabs.tsx
+++ b/fe-user/src/components/pe/PeDetailTabs.tsx
@@ -970,7 +970,13 @@ function BudgetAdjustSection({ ev, readOnly }: { ev: PeDetailBundle; readOnly: b
     && actorInCurrentLevel
     && approverEditBudgetAllowed
 
-  const canAdjust = !readOnly && (isAdmin || (isDrafter && isDrafterPhase) || isApproverChoDuyet)
+  // S23 t2 bug fix: F4 Approver scope BYPASS readOnly (mirror F3 itemsReadOnly
+  // pattern line 118). Khi admin tick AllowApproverEditBudget cho slot + actor
+  // match + Phase=ChoDuyet → button "Điều chỉnh" enable trong menu Duyệt (readOnly=true)
+  // dù chế độ chỉ-đọc. Drafter + Admin vẫn cần !readOnly (chỉ active từ Workspace).
+  const canAdjust = isAdmin
+    || (!readOnly && isDrafter && isDrafterPhase)
+    || isApproverChoDuyet
 
   const initialManual = (ev.budgetManualName !== null || ev.budgetManualAmount !== null) && !ev.budgetId
   const [manualMode, setManualMode] = useState(initialManual)