Add a tool to switch modes

src/core/assistant-message/index.ts

@@ -21,6 +21,7 @@ export const toolUseNames = [
 	"access_mcp_resource",
 	"ask_followup_question",
 	"attempt_completion",
+	"switch_mode",
 ] as const
 
 // Converts array of tool call names into a union type ("execute_command" | "read_file" | ...)
@@ -47,6 +48,8 @@ export const toolParamNames = [
 	"diff",
 	"start_line",
 	"end_line",
+	"mode_slug",
+	"reason",
 ] as const
 
 export type ToolParamName = (typeof toolParamNames)[number]
@@ -114,3 +117,8 @@ export interface AttemptCompletionToolUse extends ToolUse {
 	name: "attempt_completion"
 	params: Partial<Pick<Record<ToolParamName, string>, "result" | "command">>
 }
+
+export interface SwitchModeToolUse extends ToolUse {
+	name: "switch_mode"
+	params: Partial<Pick<Record<ToolParamName, string>, "mode_slug" | "reason">>
+}