refactor: remove dcp_for_compaction and preemptive_compaction features

- Delete src/hooks/preemptive-compaction/ entirely
- Remove dcp_for_compaction from schema and executor
- Clean up related imports, options, and test code
- Update READMEs to remove experimental options docs

src/index.ts

@@ -12,7 +12,7 @@ import {
   createThinkModeHook,
   createClaudeCodeHooksHook,
   createAnthropicContextWindowLimitRecoveryHook,
-  createPreemptiveCompactionHook,
+
   createCompactionContextInjector,
   createRulesInjectorHook,
   createBackgroundNotificationHook,
@@ -145,20 +145,11 @@ const OhMyOpenCodePlugin: Plugin = async (ctx) => {
   )
     ? createAnthropicContextWindowLimitRecoveryHook(ctx, {
         experimental: pluginConfig.experimental,
-        dcpForCompaction: pluginConfig.experimental?.dcp_for_compaction,
       })
     : null;
   const compactionContextInjector = isHookEnabled("compaction-context-injector")
     ? createCompactionContextInjector()
     : undefined;
-  const preemptiveCompaction = isHookEnabled("preemptive-compaction")
-    ? createPreemptiveCompactionHook(ctx, {
-        experimental: pluginConfig.experimental,
-        onBeforeSummarize: compactionContextInjector,
-        getModelLimit: (providerID, modelID) =>
-          getModelLimit(modelCacheState, providerID, modelID),
-      })
-    : null;
   const rulesInjector = isHookEnabled("rules-injector")
     ? createRulesInjectorHook(ctx)
     : null;
@@ -420,7 +411,6 @@ const OhMyOpenCodePlugin: Plugin = async (ctx) => {
       await rulesInjector?.event(input);
       await thinkMode?.event(input);
       await anthropicContextWindowLimitRecovery?.event(input);
-      await preemptiveCompaction?.event(input);
       await agentUsageReminder?.event(input);
       await interactiveBashSession?.event(input);
       await ralphLoop?.event(input);