[Init] Initial commit - NetMesh terminal manager

components/terminal/runtime/terminalCommandInjectionReadyRegistry.ts

@@ -0,0 +1,18 @@
+const commandInjectionReadyReaders = new Map<string, () => boolean>();
+
+export function registerTerminalCommandInjectionReadyReader(
+  sessionId: string,
+  reader: () => boolean,
+): () => void {
+  commandInjectionReadyReaders.set(sessionId, reader);
+  return () => {
+    if (commandInjectionReadyReaders.get(sessionId) === reader) {
+      commandInjectionReadyReaders.delete(sessionId);
+    }
+  };
+}
+
+/** True when the live terminal reports an idle shell prompt ready for injection. */
+export function isTerminalReadyForCommandInjection(sessionId: string): boolean {
+  return commandInjectionReadyReaders.get(sessionId)?.() === true;
+}