fix(core): Minor fixes for generalist profile. (#26357)

packages/core/src/context/config/profiles.ts

@@ -78,6 +78,7 @@ export const generalistProfile: ContextProfile = {
     budget: {
       retainedTokens: 65000,
       maxTokens: 150000,
+      coalescingThresholdTokens: 5000,
     },
   },
 
@@ -117,14 +118,14 @@ export const generalistProfile: ContextProfile = {
             'NodeDistillation',
             env,
             resolveProcessorOptions(config, 'NodeDistillation', {
-              nodeThresholdTokens: 1000,
+              nodeThresholdTokens: 3000,
             }),
           ),
           createNodeTruncationProcessor(
             'NodeTruncation',
             env,
             resolveProcessorOptions(config, 'NodeTruncation', {
-              maxTokensPerNode: 1200,
+              maxTokensPerNode: 4000,
             }),
           ),
         ],

packages/core/src/context/config/schema.ts

@@ -42,6 +42,11 @@ export function getContextManagementConfigSchema(
             description:
               'The absolute maximum token count allowed before synchronous truncation kicks in.',
           },
+          coalescingThresholdTokens: {
+            type: 'number',
+            description:
+              'Only trigger background consolidation (snapshots) when at least this many tokens have aged out. Prevents "turn-by-turn" utility model churn.',
+          },
         },
       },
       processorOptions: {

packages/core/src/context/config/types.ts

@@ -29,6 +29,11 @@ export interface AsyncPipelineDef {
 export interface ContextBudget {
   retainedTokens: number;
   maxTokens: number;
+  /**
+   * Only trigger background consolidation (snapshots) when at least this many
+   * tokens have aged out. Prevents "turn-by-turn" utility model churn.
+   */
+  coalescingThresholdTokens?: number;
 }
 
 /**