gpt-5 general agent: Don't give it file-picker as it reads all the returned files every time lol

Author: jahooma

agents/general-agent/general-agent.ts

@@ -1,3 +1,4 @@
+import { buildArray } from '@codebuff/common/util/array'
 import { publisher } from '../constants'
 
 import type { SecretAgentDefinition } from '../types/secret-agent-definition'
@@ -42,16 +43,16 @@ export const createGeneralAgent = (options: {
       },
     },
     outputMode: 'last_message',
-    spawnableAgents: [
+    spawnableAgents: buildArray(
       'researcher-web',
       'researcher-docs',
-      'file-picker',
+      !isGpt5 && 'file-picker',
       'code-searcher',
       'directory-lister',
       'glob-matcher',
       'commander',
       'context-pruner',
-    ],
+    ),
     toolNames: [
       'spawn_agents',
       'read_files',
@@ -60,7 +61,10 @@ export const createGeneralAgent = (options: {
       'write_file',
     ],
 
-    instructionsPrompt: `Use the spawn_agents tool to spawn agents to help you complete the user request. If you need to find more information in the codebase, file-picker is really good at finding relevant files. You should spawn multiple agents in parallel when possible to speed up the process. (e.g. spawn 3 file-pickers + 1 code-searcher + 1 researcher-web in one spawn_agents call or 3 commanders in one spawn_agents call).`,
+    instructionsPrompt: buildArray(
+      `Use the spawn_agents tool to spawn agents to help you complete the user request.`,
+      !isGpt5 && `If you need to find more information in the codebase, file-picker is really good at finding relevant files. You should spawn multiple agents in parallel when possible to speed up the process. (e.g. spawn 3 file-pickers + 1 code-searcher + 1 researcher-web in one spawn_agents call or 3 commanders in one spawn_agents call).`,
+    ).join('\n'),
 
     handleSteps: function* ({ params }) {
       const filePaths = params?.filePaths as string[] | undefined