Enable tool summarization only when explicitly set in settings.json (#4140)

Co-authored-by: matt korwel <matt.korwel@gmail.com>

packages/cli/src/config/config.ts

@@ -363,6 +363,7 @@ export async function loadCliConfig(
       version: e.config.version,
     })),
     noBrowser: !!process.env.NO_BROWSER,
+    summarizeToolOutput: settings.summarizeToolOutput,
     ideMode,
   });
 }

packages/cli/src/config/settings.ts

@@ -46,6 +46,10 @@ export interface CheckpointingSettings {
   enabled?: boolean;
 }
 
+export interface SummarizeToolOutputSettings {
+  tokenBudget?: number;
+}
+
 export interface AccessibilitySettings {
   disableLoadingPhrases?: boolean;
 }
@@ -84,6 +88,9 @@ export interface Settings {
   // Setting for setting maximum number of user/model/tool turns in a session.
   maxSessionTurns?: number;
 
+  // A map of tool names to their summarization settings.
+  summarizeToolOutput?: Record<string, SummarizeToolOutputSettings>;
+
   // Add other settings here.
   ideMode?: boolean;
 }