Fix Codex reasoning effort resume and updates

web/src/hooks/mutations/useSessionActions.ts

@@ -18,6 +18,7 @@ export function useSessionActions(
     setPermissionMode: (mode: PermissionMode) => Promise<void>
     setCollaborationMode: (mode: CodexCollaborationMode) => Promise<void>
     setModel: (model: string | null) => Promise<void>
+    setModelReasoningEffort: (modelReasoningEffort: string | null) => Promise<void>
     setEffort: (effort: string | null) => Promise<void>
     renameSession: (name: string) => Promise<void>
     deleteSession: () => Promise<void>
@@ -100,6 +101,22 @@ export function useSessionActions(
         onSuccess: () => void invalidateSession(),
     })
 
+    const modelReasoningEffortMutation = useMutation({
+        mutationFn: async (modelReasoningEffort: string | null) => {
+            if (!api || !sessionId) {
+                throw new Error('Session unavailable')
+            }
+            if (agentFlavor !== 'codex') {
+                throw new Error('Model reasoning effort is only supported for Codex sessions')
+            }
+            if (!codexCollaborationModeSupported) {
+                throw new Error('Model reasoning effort is only supported for remote Codex sessions')
+            }
+            await api.setModelReasoningEffort(sessionId, modelReasoningEffort)
+        },
+        onSuccess: () => void invalidateSession(),
+    })
+
     const effortMutation = useMutation({
         mutationFn: async (effort: string | null) => {
             if (!api || !sessionId) {
@@ -142,6 +159,7 @@ export function useSessionActions(
         setPermissionMode: permissionMutation.mutateAsync,
         setCollaborationMode: collaborationMutation.mutateAsync,
         setModel: modelMutation.mutateAsync,
+        setModelReasoningEffort: modelReasoningEffortMutation.mutateAsync,
         setEffort: effortMutation.mutateAsync,
         renameSession: renameMutation.mutateAsync,
         deleteSession: deleteMutation.mutateAsync,
@@ -151,6 +169,7 @@ export function useSessionActions(
             || permissionMutation.isPending
             || collaborationMutation.isPending
             || modelMutation.isPending
+            || modelReasoningEffortMutation.isPending
             || effortMutation.isPending
             || renameMutation.isPending
             || deleteMutation.isPending,