diff --git a/src/config/schema.ts b/src/config/schema.ts
index 387e08c7..df7d1457 100644
--- a/src/config/schema.ts
+++ b/src/config/schema.ts
@@ -87,6 +87,7 @@ export const HookNameSchema = z.enum([
   "category-skill-reminder",
 
   "compaction-context-injector",
+  "compaction-todo-preserver",
   "claude-code-hooks",
   "auto-slash-command",
   "edit-error-recovery",
diff --git a/src/index.ts b/src/index.ts
index aa0c6e73..b8ef9807 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -35,6 +35,7 @@ import {
   createSubagentQuestionBlockerHook,
   createStopContinuationGuardHook,
   createCompactionContextInjector,
+  createCompactionTodoPreserverHook,
   createUnstableAgentBabysitterHook,
   createPreemptiveCompactionHook,
   createTasksTodowriteDisablerHook,
@@ -348,6 +349,10 @@ const OhMyOpenCodePlugin: Plugin = async (ctx) => {
     ? safeCreateHook("compaction-context-injector", () => createCompactionContextInjector(), { enabled: safeHookEnabled })
     : null;
 
+  const compactionTodoPreserver = isHookEnabled("compaction-todo-preserver")
+    ? safeCreateHook("compaction-todo-preserver", () => createCompactionTodoPreserverHook(ctx), { enabled: safeHookEnabled })
+    : null;
+
   const todoContinuationEnforcer = isHookEnabled("todo-continuation-enforcer")
     ? safeCreateHook("todo-continuation-enforcer", () => createTodoContinuationEnforcer(ctx, {
         backgroundManager,
@@ -718,6 +723,7 @@ const OhMyOpenCodePlugin: Plugin = async (ctx) => {
       await interactiveBashSession?.event(input);
       await ralphLoop?.event(input);
       await stopContinuationGuard?.event(input);
+      await compactionTodoPreserver?.event(input);
       await atlasHook?.handler(input);
 
       const { event } = input;
@@ -933,6 +939,7 @@ const OhMyOpenCodePlugin: Plugin = async (ctx) => {
       _input: { sessionID: string },
       output: { context: string[] },
     ): Promise<void> => {
+      await compactionTodoPreserver?.capture(_input.sessionID);
       if (!compactionContextInjector) {
         return;
       }