fix(coding-agent): kill tracked detached bash children on shutdown

packages/coding-agent/src/modes/interactive/interactive-mode.ts

@@ -70,6 +70,7 @@ import { getChangelogPath, getNewEntries, parseChangelog } from "../../utils/cha
 import { copyToClipboard } from "../../utils/clipboard.js";
 import { extensionForImageMimeType, readClipboardImage } from "../../utils/clipboard-image.js";
 import { parseGitUrl } from "../../utils/git.js";
+import { killTrackedDetachedChildren } from "../../utils/shell.js";
 import { ensureTool } from "../../utils/tools-manager.js";
 import { ArminComponent } from "./components/armin.js";
 import { AssistantMessageComponent } from "./components/assistant-message.js";
@@ -2941,6 +2942,7 @@ export class InteractiveMode {
 
 		for (const signal of signals) {
 			const handler = () => {
+				killTrackedDetachedChildren();
 				void this.shutdown();
 			};
 			process.on(signal, handler);

packages/coding-agent/src/modes/print-mode.ts

@@ -9,6 +9,7 @@
 import type { AssistantMessage, ImageContent } from "@mariozechner/pi-ai";
 import type { AgentSessionRuntime } from "../core/agent-session-runtime.js";
 import { flushRawStdout, writeRawStdout } from "../core/output-guard.js";
+import { killTrackedDetachedChildren } from "../utils/shell.js";
 
 /**
  * Options for print mode.
@@ -51,6 +52,7 @@ export async function runPrintMode(runtimeHost: AgentSessionRuntime, options: Pr
 
 		for (const signal of signals) {
 			const handler = () => {
+				killTrackedDetachedChildren();
 				void disposeRuntime().finally(() => {
 					process.exit(signal === "SIGHUP" ? 129 : 143);
 				});

packages/coding-agent/src/modes/rpc/rpc-mode.ts

@@ -19,6 +19,7 @@ import type {
 	ExtensionWidgetOptions,
 } from "../../core/extensions/index.js";
 import { takeOverStdout, writeRawStdout } from "../../core/output-guard.js";
+import { killTrackedDetachedChildren } from "../../utils/shell.js";
 import { type Theme, theme } from "../interactive/theme/theme.js";
 import { attachJsonlLineReader, serializeJsonLine } from "./jsonl.js";
 import type {
@@ -346,6 +347,7 @@ export async function runRpcMode(runtimeHost: AgentSessionRuntime): Promise<neve
 
 		for (const signal of signals) {
 			const handler = () => {
+				killTrackedDetachedChildren();
 				void shutdown(signal === "SIGHUP" ? 129 : 143);
 			};
 			process.on(signal, handler);