)) | { type: "failed" } > } ) export interface Hooks { event?: (input: { event: Event }) => Promise config?: (input: Config) => Promise tool?: { [key: string]: ToolDefinition } auth?: AuthHook /** * Called when a new message is received */ "chat.message"?: ( input: { sessionID: string agent?: string model?: { providerID: string; modelID: string } messageID?: string variant?: string }, output: { message: UserMessage; parts: Part[] }, ) => Promise /** * Modify parameters sent to LLM */ "chat.params"?: ( input: { sessionID: string; agent: string; model: Model; provider: ProviderContext; message: UserMessage }, output: { temperature: number; topP: number; topK: number; options: Record }, ) => Promise "chat.headers"?: ( input: { sessionID: string; agent: string; model: Model; provider: ProviderContext; message: UserMessage }, output: { headers: Record }, ) => Promise "permission.ask"?: (input: Permission, output: { status: "ask" | "deny" | "allow" }) => Promise "command.execute.before"?: ( input: { command: string; sessionID: string; arguments: string }, output: { parts: Part[] }, ) => Promise "tool.execute.before"?: ( input: { tool: string; sessionID: string; callID: string }, output: { args: any }, ) => Promise "shell.env"?: (input: { cwd: string }, output: { env: Record }) => Promise "tool.execute.after"?: ( input: { tool: string; sessionID: string; callID: string }, output: { title: string output: string metadata: any }, ) => Promise "experimental.chat.messages.transform"?: ( input: {}, output: { messages: { info: Message parts: Part[] }[] }, ) => Promise "experimental.chat.system.transform"?: ( input: { sessionID?: string; model: Model }, output: { system: string[] },