revert(truncation-compaction): rollback to experimental opt-in config (#348)

src/config/schema.ts

@@ -49,7 +49,6 @@ export const HookNameSchema = z.enum([
   "session-notification",
   "comment-checker",
   "grep-output-truncator",
-  "tool-output-truncator",
   "directory-agents-injector",
   "directory-readme-injector",
   "empty-task-response-detector",
@@ -164,12 +163,14 @@ export const DynamicContextPruningConfigSchema = z.object({
 export const ExperimentalConfigSchema = z.object({
   aggressive_truncation: z.boolean().optional(),
   auto_resume: z.boolean().optional(),
-  /** Enable preemptive compaction at threshold (default: true) */
+  /** Enable tool output truncator - dynamically truncates tool outputs based on context window (default: false) */
+  tool_output_truncator: z.boolean().optional(),
+  /** Enable preemptive compaction at threshold (default: false) */
   preemptive_compaction: z.boolean().optional(),
   /** Threshold percentage to trigger preemptive compaction (default: 0.80) */
   preemptive_compaction_threshold: z.number().min(0.5).max(0.95).optional(),
-  /** Truncate all tool outputs, not just whitelisted tools (default: true) */
-  truncate_all_tool_outputs: z.boolean().default(true),
+  /** Truncate all tool outputs, not just whitelisted tools (default: false, only applies when tool_output_truncator is enabled) */
+  truncate_all_tool_outputs: z.boolean().optional(),
   /** Dynamic context pruning configuration */
   dynamic_context_pruning: DynamicContextPruningConfigSchema.optional(),
   /** Enable DCP (Dynamic Context Pruning) for compaction - runs first when token limit exceeded (default: false) */

src/hooks/preemptive-compaction/index.ts

@@ -82,7 +82,7 @@ export function createPreemptiveCompactionHook(
   const experimental = options?.experimental
   const onBeforeSummarize = options?.onBeforeSummarize
   const getModelLimit = options?.getModelLimit
-  const enabled = experimental?.preemptive_compaction !== false
+  const enabled = experimental?.preemptive_compaction === true
   const threshold = experimental?.preemptive_compaction_threshold ?? DEFAULT_THRESHOLD
 
   if (!enabled) {

src/hooks/tool-output-truncator.ts

@@ -24,7 +24,7 @@ interface ToolOutputTruncatorOptions {
 
 export function createToolOutputTruncatorHook(ctx: PluginInput, options?: ToolOutputTruncatorOptions) {
   const truncator = createDynamicTruncator(ctx)
-  const truncateAll = options?.experimental?.truncate_all_tool_outputs ?? true
+  const truncateAll = options?.experimental?.truncate_all_tool_outputs ?? false
 
   const toolExecuteAfter = async (
     input: { tool: string; sessionID: string; callID: string },

src/index.ts

@@ -255,7 +255,7 @@ const OhMyOpenCodePlugin: Plugin = async (ctx) => {
   const commentChecker = isHookEnabled("comment-checker")
     ? createCommentCheckerHooks(pluginConfig.comment_checker)
     : null;
-  const toolOutputTruncator = isHookEnabled("tool-output-truncator")
+  const toolOutputTruncator = pluginConfig.experimental?.tool_output_truncator === true
     ? createToolOutputTruncatorHook(ctx, { experimental: pluginConfig.experimental })
     : null;
   const directoryAgentsInjector = isHookEnabled("directory-agents-injector")