diff --git a/assets/oh-my-opencode.schema.json b/assets/oh-my-opencode.schema.json
index 6ae62f2..9b39d48 100644
--- a/assets/oh-my-opencode.schema.json
+++ b/assets/oh-my-opencode.schema.json
@@ -77,7 +77,8 @@
           "edit-error-recovery",
           "prometheus-md-only",
           "start-work",
-          "sisyphus-orchestrator"
+          "sisyphus-orchestrator",
+          "todo-codebase-compaction"
         ]
       }
     },
diff --git a/src/config/schema.ts b/src/config/schema.ts
index 5a3aec5..4b707d7 100644
--- a/src/config/schema.ts
+++ b/src/config/schema.ts
@@ -82,6 +82,7 @@ export const HookNameSchema = z.enum([
   "prometheus-md-only",
   "start-work",
   "sisyphus-orchestrator",
+  "todo-codebase-compaction",
 ])
 
 export const BuiltinCommandNameSchema = z.enum([
diff --git a/src/hooks/index.ts b/src/hooks/index.ts
index 821c190..617670c 100644
--- a/src/hooks/index.ts
+++ b/src/hooks/index.ts
@@ -29,3 +29,4 @@ export { createPrometheusMdOnlyHook } from "./prometheus-md-only";
 export { createTaskResumeInfoHook } from "./task-resume-info";
 export { createStartWorkHook } from "./start-work";
 export { createSisyphusOrchestratorHook } from "./sisyphus-orchestrator";
+export { createTodoCodebaseCompactionInjector, createCustomCompactionHook } from "./todo-codebase-compaction";
diff --git a/src/hooks/todo-codebase-compaction/index.ts b/src/hooks/todo-codebase-compaction/index.ts
index b4cc509..666b52f 100644
--- a/src/hooks/todo-codebase-compaction/index.ts
+++ b/src/hooks/todo-codebase-compaction/index.ts
@@ -1,4 +1,4 @@
-import type { SummarizeContext } from "../preemptive-compaction"
+import type { SummarizeContext, PreemptiveCompactionOptions } from "../preemptive-compaction"
 import { injectHookMessage } from "../../features/hook-message-injector"
 import { log } from "../../shared/logger"
 import { createPreemptiveCompactionHook } from "../preemptive-compaction"
diff --git a/src/index.ts b/src/index.ts
index 047a946..e908bfd 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -146,10 +146,13 @@ const OhMyOpenCodePlugin: Plugin = async (ctx) => {
   const compactionContextInjector = isHookEnabled("compaction-context-injector")
     ? createCompactionContextInjector()
     : undefined;
+  const todoCodebaseCompactionInjector = isHookEnabled("todo-codebase-compaction")
+    ? createTodoCodebaseCompactionInjector()
+    : undefined;
   const preemptiveCompaction = isHookEnabled("preemptive-compaction")
     ? createPreemptiveCompactionHook(ctx, {
         experimental: pluginConfig.experimental,
-        onBeforeSummarize: compactionContextInjector,
+        onBeforeSummarize: todoCodebaseCompactionInjector ?? compactionContextInjector,
         getModelLimit: (providerID, modelID) =>
           getModelLimit(modelCacheState, providerID, modelID),
       })