fix(plugin): wire compaction context hook creation

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/plugin/hooks/create-continuation-hooks.ts

@@ -56,7 +56,8 @@ export function createContinuationHooks(args: {
     : null
 
   const compactionContextInjector = isHookEnabled("compaction-context-injector")
-    ? safeHook("compaction-context-injector", () => createCompactionContextInjector(backgroundManager))
+    ? safeHook("compaction-context-injector", () =>
+        createCompactionContextInjector({ ctx, backgroundManager }))
     : null
 
   const compactionTodoPreserver = isHookEnabled("compaction-todo-preserver")