Change Scout to gpt-5 chat (and planner orchestrator)

Author: jahooma

.agents/base2/planner.ts

@@ -3,7 +3,7 @@ import { plannerFactory } from './planner-factory'
 
 const definition: SecretAgentDefinition = {
   id: 'planner',
-  ...plannerFactory('google/gemini-2.5-pro'),
+  ...plannerFactory('openai/gpt-5-chat'),
 }
 
 export default definition

.agents/base2/scout.ts

@@ -7,11 +7,7 @@ import { publisher } from '../constants'
 const definition: SecretAgentDefinition = {
   id: 'scout',
   publisher,
-  model: 'google/gemini-2.5-flash',
-  reasoningOptions: {
-    effort: 'low',
-    exclude: true,
-  },
+  model: 'openai/gpt-5-chat',
   displayName: 'Lewis & Clark',
   spawnableAgents: ['file-explorer', 'web-researcher', 'docs-researcher'],
   toolNames: ['spawn_agents', 'end_turn'],

common/src/templates/initial-agents-dir/types/agent-definition.ts

@@ -323,6 +323,7 @@ export type ModelName =
 
   // OpenAI
   | 'openai/gpt-5'
+  | 'openai/gpt-5-chat'
   | 'openai/gpt-5-mini'
   | 'openai/gpt-5-nano'