fix: integrate todo-codebase-compaction hook properly

- Import PreemptiveCompactionOptions type
- Export hook from hooks/index.ts
- Add todo-codebase-compaction to HookNameSchema
- Use todoCodebaseCompactionInjector when hook is enabled

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),
       })