routie dev init since i didn't adhere to any proper guidance up until now

frontend/node_modules/sync-child-process/dist/lib/event.d.ts

@@ -0,0 +1,55 @@
+/** An event emitted by the child process. */
+export type Event = StdoutEvent | StderrEvent | ExitEvent;
+/** An event sent from the worker to the host. */
+export type InternalEvent = InternalStdoutEvent | InternalStderrEvent | ExitEvent | ErrorEvent;
+/** An event indicating that data has been emitted over stdout. */
+export interface StdoutEvent {
+    type: 'stdout';
+    data: Buffer;
+}
+/** An event indicating that data has been emitted over stderr. */
+export interface StderrEvent {
+    type: 'stderr';
+    data: Buffer;
+}
+/** An event indicating that process has exited. */
+export interface ExitEvent {
+    type: 'exit';
+    /**
+     * The exit code. This will be `undefined` if the subprocess was killed via
+     * signal.
+     */
+    code?: number;
+    /**
+     * The signal that caused this process to exit. This will be `undefined` if
+     * the subprocess exited normally.
+     */
+    signal?: NodeJS.Signals;
+}
+/**
+ * The stdout event sent from the worker to the host. The structured clone
+ * algorithm automatically converts `Buffer`s sent through `MessagePort`s to
+ * `Uint8Array`s.
+ */
+export interface InternalStdoutEvent {
+    type: 'stdout';
+    data: Buffer | Uint8Array;
+}
+/**
+ * The stderr event sent from the worker to the host. The structured clone
+ * algorithm automatically converts `Buffer`s sent through `MessagePort`s to
+ * `Uint8Array`s.
+ */
+export interface InternalStderrEvent {
+    type: 'stderr';
+    data: Buffer | Uint8Array;
+}
+/**
+ * An error occurred when starting or closing the child process. This is only
+ * used internally; the host will throw the error rather than returning it to
+ * the caller.
+ */
+export interface ErrorEvent {
+    type: 'error';
+    error: Error;
+}