feat(core, cli): Add support for agents in settings.json. (#16433)

packages/core/src/config/config.ts

@@ -69,7 +69,10 @@ import type { FallbackModelHandler } from '../fallback/types.js';
 import { ModelAvailabilityService } from '../availability/modelAvailabilityService.js';
 import { ModelRouterService } from '../routing/modelRouterService.js';
 import { OutputFormat } from '../output/types.js';
-import type { ModelConfigServiceConfig } from '../services/modelConfigService.js';
+import type {
+  ModelConfig,
+  ModelConfigServiceConfig,
+} from '../services/modelConfigService.js';
 import { ModelConfigService } from '../services/modelConfigService.js';
 import { DEFAULT_MODEL_CONFIGS } from './defaultModelConfigs.js';
 import { ContextManager } from '../services/contextManager.js';
@@ -159,6 +162,21 @@ export interface CliHelpAgentSettings {
   enabled?: boolean;
 }
 
+export interface AgentRunConfig {
+  maxTimeMinutes?: number;
+  maxTurns?: number;
+}
+
+export interface AgentOverride {
+  modelConfig?: ModelConfig;
+  runConfig?: AgentRunConfig;
+  disabled?: boolean;
+}
+
+export interface AgentSettings {
+  overrides?: Record<string, AgentOverride>;
+}
+
 /**
  * All information required in CLI to handle an extension. Defined in Core so
  * that the collection of loaded, active, and inactive extensions can be passed
@@ -364,6 +382,7 @@ export interface ConfigParameters {
   onModelChange?: (model: string) => void;
   mcpEnabled?: boolean;
   extensionsEnabled?: boolean;
+  agents?: AgentSettings;
   onReload?: () => Promise<{ disabledSkills?: string[] }>;
 }
 
@@ -496,6 +515,7 @@ export class Config {
     | undefined;
 
   private readonly enableAgents: boolean;
+  private readonly agents: AgentSettings;
   private readonly skillsSupport: boolean;
   private disabledSkills: string[];
 
@@ -570,6 +590,7 @@ export class Config {
     this.model = params.model;
     this._activeModel = params.model;
     this.enableAgents = params.enableAgents ?? false;
+    this.agents = params.agents ?? {};
     this.disableLLMCorrection = params.disableLLMCorrection ?? false;
     this.skillsSupport = params.skillsSupport ?? false;
     this.disabledSkills = params.disabledSkills ?? [];
@@ -1443,6 +1464,10 @@ export class Config {
     return this.noBrowser;
   }
 
+  getAgentsSettings(): AgentSettings {
+    return this.agents;
+  }
+
   isBrowserLaunchSuppressed(): boolean {
     return this.getNoBrowser() || !shouldAttemptBrowserLaunch();
   }