fix(llm): isolate retry policy histories

packages/examples/cli-demo/src/index.ts

@@ -52,6 +52,8 @@ export interface Config {
   toolTasks?: NonNullable<agentCore.Config['toolTasks']>
   /** Controls automatic AGENTS.md/CLAUDE.md loading; configure a byte budget or set `false`. */
   workspaceContext: agentCore.Config['workspaceContext']
+  /** Invalid at app level; configure `retryPolicy` under each provider. */
+  llmRetry?: never
 }
 
 // Each front door keeps a complete Loader schema so its deployment contract is
@@ -73,6 +75,8 @@ export const Config: z<Config> = z.object({
   toolBash: agentCore.ToolBashConfigSchema,
   toolTasks: z.union([z.const(false), agentCore.ToolTasksConfigSchema]),
   workspaceContext: z.union([z.const(false), workspaceContext.Config]).required(),
+  // Provider retryPolicy makes a top-level llmRetry invalid.
+  llmRetry: z.never(),
 })
 /* jscpd:ignore-end */