diff --git a/tools/ai-cli-dispatch/src/types.ts b/tools/ai-cli-dispatch/src/types.ts
index 3338814..166e651 100644
--- a/tools/ai-cli-dispatch/src/types.ts
+++ b/tools/ai-cli-dispatch/src/types.ts
@@ -11,6 +11,33 @@ export interface ExecResult {
   stdout: string;
   stderr: string;
   exitCode: number;
+  client: ClientName;
+  durationMs: number;
+}
+
+export interface DebugInfo {
+  command: string;
+  args: string[];
+  pid?: number;
+  exitCode: number | null;
+  exitSignal: NodeJS.Signals | null;
+  durationMs: number;
+  stderrLength: number;
+  stdoutLength: number;
+}
+
+export interface DispatchConfigFile {
+  paths?: Partial<Record<ClientName, string>>;
+  defaultClient?: ClientName;
+  timeout?: number;
+}
+
+export interface DispatchEnv {
+  AI_CLI_DEFAULT_CLIENT?: string;
+  AI_CLI_TIMEOUT?: string;
+  AI_CLI_CODEX_PATH?: string;
+  AI_CLI_CLAUDE_PATH?: string;
+  AI_CLI_OPENCODE_PATH?: string;
 }
 
 export interface ToolConfig {