diff --git a/packages/cli-workflow/__tests__/thread-cli.test.ts b/packages/cli-workflow/__tests__/thread-cli.test.ts
index 7163150..f6c7d3d 100644
--- a/packages/cli-workflow/__tests__/thread-cli.test.ts
+++ b/packages/cli-workflow/__tests__/thread-cli.test.ts
@@ -6,11 +6,9 @@ import { dirname, join } from "node:path";
 import { fileURLToPath } from "node:url";
 import { getGlobalCasDir } from "@uncaged/workflow";
 import { cmdCasPut } from "../src/commands/cas/put.js";
-import { cmdKill } from "../src/commands/thread/kill.js";
+import { cmdKill, cmdPause, cmdResume } from "../src/commands/thread/control.js";
 import { cmdThreads } from "../src/commands/thread/list.js";
-import { cmdPause } from "../src/commands/thread/pause.js";
 import { cmdPs } from "../src/commands/thread/ps.js";
-import { cmdResume } from "../src/commands/thread/resume.js";
 import { cmdThreadRemove } from "../src/commands/thread/rm.js";
 import { cmdRun } from "../src/commands/thread/run.js";
 import { cmdThreadShow } from "../src/commands/thread/show.js";
diff --git a/packages/cli-workflow/src/cli-dispatch.ts b/packages/cli-workflow/src/cli-dispatch.ts
index 2d98217..17e5a3f 100644
--- a/packages/cli-workflow/src/cli-dispatch.ts
+++ b/packages/cli-workflow/src/cli-dispatch.ts
@@ -6,13 +6,11 @@ import { cmdCasPut } from "./commands/cas/put.js";
 import { cmdCasRm } from "./commands/cas/rm.js";
 import { cmdInitTemplate } from "./commands/init/template.js";
 import { cmdInitWorkspace } from "./commands/init/workspace.js";
+import { cmdKill, cmdPause, cmdResume } from "./commands/thread/control.js";
 import { cmdFork, parseForkArgv } from "./commands/thread/fork.js";
-import { cmdKill } from "./commands/thread/kill.js";
 import { cmdThreads } from "./commands/thread/list.js";
 import { cmdLive } from "./commands/thread/live.js";
-import { cmdPause } from "./commands/thread/pause.js";
 import { cmdPs } from "./commands/thread/ps.js";
-import { cmdResume } from "./commands/thread/resume.js";
 import { cmdThreadRemove } from "./commands/thread/rm.js";
 import { cmdRun } from "./commands/thread/run.js";
 import { cmdThreadShow } from "./commands/thread/show.js";
diff --git a/packages/cli-workflow/src/commands/thread/control.ts b/packages/cli-workflow/src/commands/thread/control.ts
new file mode 100644
index 0000000..3aa85b8
--- /dev/null
+++ b/packages/cli-workflow/src/commands/thread/control.ts
@@ -0,0 +1,52 @@
+import type { Result } from "@uncaged/workflow";
+
+import {
+  readWorkerCtl,
+  resolveRunningHashForThread,
+  sendWorkerTcpCommand,
+} from "../../worker-spawn.js";
+
+type ThreadControlAction = "kill" | "pause" | "resume";
+
+async function cmdThreadControl(
+  storageRoot: string,
+  threadId: string,
+  action: ThreadControlAction,
+): Promise<Result<void, string>> {
+  const hashResult = await resolveRunningHashForThread(storageRoot, threadId);
+  if (!hashResult.ok) {
+    return hashResult;
+  }
+
+  const ctlResult = await readWorkerCtl(storageRoot, hashResult.value);
+  if (!ctlResult.ok) {
+    return ctlResult;
+  }
+
+  return await sendWorkerTcpCommand(
+    ctlResult.value.port,
+    { type: action, threadId },
+    { awaitResponseLine: true },
+  );
+}
+
+export async function cmdKill(
+  storageRoot: string,
+  threadId: string,
+): Promise<Result<void, string>> {
+  return cmdThreadControl(storageRoot, threadId, "kill");
+}
+
+export async function cmdPause(
+  storageRoot: string,
+  threadId: string,
+): Promise<Result<void, string>> {
+  return cmdThreadControl(storageRoot, threadId, "pause");
+}
+
+export async function cmdResume(
+  storageRoot: string,
+  threadId: string,
+): Promise<Result<void, string>> {
+  return cmdThreadControl(storageRoot, threadId, "resume");
+}
diff --git a/packages/cli-workflow/src/commands/thread/index.ts b/packages/cli-workflow/src/commands/thread/index.ts
index e9a3a92..cd0c5d9 100644
--- a/packages/cli-workflow/src/commands/thread/index.ts
+++ b/packages/cli-workflow/src/commands/thread/index.ts
@@ -1,5 +1,5 @@
+export { cmdKill, cmdPause, cmdResume } from "./control.js";
 export { cmdFork, parseForkArgv } from "./fork.js";
-export { cmdKill } from "./kill.js";
 export { cmdThreads } from "./list.js";
 export type { LiveRoleRow } from "./live.js";
 export {
@@ -9,9 +9,7 @@ export {
   LIVE_CONTENT_MAX_LINES,
   renderLiveRoleStepLines,
 } from "./live.js";
-export { cmdPause } from "./pause.js";
 export { cmdPs } from "./ps.js";
-export { cmdResume } from "./resume.js";
 export { cmdThreadRemove } from "./rm.js";
 export { cmdRun } from "./run.js";
 export { cmdThreadShow } from "./show.js";
diff --git a/packages/cli-workflow/src/commands/thread/kill.ts b/packages/cli-workflow/src/commands/thread/kill.ts
deleted file mode 100644
index 3ccb2fa..0000000
--- a/packages/cli-workflow/src/commands/thread/kill.ts
+++ /dev/null
@@ -1,43 +0,0 @@
-import { join } from "node:path";
-
-import { err, type Result } from "@uncaged/workflow";
-
-import { readTextFileIfExists } from "../../fs-utils.js";
-import {
-  resolveRunningHashForThread,
-  sendWorkerTcpCommand,
-  type WorkerCtl,
-} from "../../worker-spawn.js";
-
-export async function cmdKill(
-  storageRoot: string,
-  threadId: string,
-): Promise<Result<void, string>> {
-  const hashResult = await resolveRunningHashForThread(storageRoot, threadId);
-  if (!hashResult.ok) {
-    return hashResult;
-  }
-
-  const ctlPath = join(storageRoot, "workers", `${hashResult.value}.json`);
-  const ctlText = await readTextFileIfExists(ctlPath);
-  if (ctlText === null) {
-    return err(`worker control file missing for bundle hash ${hashResult.value}`);
-  }
-
-  let ctl: WorkerCtl;
-  try {
-    ctl = JSON.parse(ctlText) as WorkerCtl;
-  } catch {
-    return err(`corrupt worker control file: ${ctlPath}`);
-  }
-
-  if (typeof ctl.port !== "number" || ctl.port <= 0) {
-    return err(`invalid worker control file: ${ctlPath}`);
-  }
-
-  return await sendWorkerTcpCommand(
-    ctl.port,
-    { type: "kill", threadId },
-    { awaitResponseLine: true },
-  );
-}
diff --git a/packages/cli-workflow/src/commands/thread/pause.ts b/packages/cli-workflow/src/commands/thread/pause.ts
deleted file mode 100644
index a8a414d..0000000
--- a/packages/cli-workflow/src/commands/thread/pause.ts
+++ /dev/null
@@ -1,43 +0,0 @@
-import { join } from "node:path";
-
-import { err, type Result } from "@uncaged/workflow";
-
-import { readTextFileIfExists } from "../../fs-utils.js";
-import {
-  resolveRunningHashForThread,
-  sendWorkerTcpCommand,
-  type WorkerCtl,
-} from "../../worker-spawn.js";
-
-export async function cmdPause(
-  storageRoot: string,
-  threadId: string,
-): Promise<Result<void, string>> {
-  const hashResult = await resolveRunningHashForThread(storageRoot, threadId);
-  if (!hashResult.ok) {
-    return hashResult;
-  }
-
-  const ctlPath = join(storageRoot, "workers", `${hashResult.value}.json`);
-  const ctlText = await readTextFileIfExists(ctlPath);
-  if (ctlText === null) {
-    return err(`worker control file missing for bundle hash ${hashResult.value}`);
-  }
-
-  let ctl: WorkerCtl;
-  try {
-    ctl = JSON.parse(ctlText) as WorkerCtl;
-  } catch {
-    return err(`corrupt worker control file: ${ctlPath}`);
-  }
-
-  if (typeof ctl.port !== "number" || ctl.port <= 0) {
-    return err(`invalid worker control file: ${ctlPath}`);
-  }
-
-  return await sendWorkerTcpCommand(
-    ctl.port,
-    { type: "pause", threadId },
-    { awaitResponseLine: true },
-  );
-}
diff --git a/packages/cli-workflow/src/commands/thread/resume.ts b/packages/cli-workflow/src/commands/thread/resume.ts
deleted file mode 100644
index 890dbb8..0000000
--- a/packages/cli-workflow/src/commands/thread/resume.ts
+++ /dev/null
@@ -1,43 +0,0 @@
-import { join } from "node:path";
-
-import { err, type Result } from "@uncaged/workflow";
-
-import { readTextFileIfExists } from "../../fs-utils.js";
-import {
-  resolveRunningHashForThread,
-  sendWorkerTcpCommand,
-  type WorkerCtl,
-} from "../../worker-spawn.js";
-
-export async function cmdResume(
-  storageRoot: string,
-  threadId: string,
-): Promise<Result<void, string>> {
-  const hashResult = await resolveRunningHashForThread(storageRoot, threadId);
-  if (!hashResult.ok) {
-    return hashResult;
-  }
-
-  const ctlPath = join(storageRoot, "workers", `${hashResult.value}.json`);
-  const ctlText = await readTextFileIfExists(ctlPath);
-  if (ctlText === null) {
-    return err(`worker control file missing for bundle hash ${hashResult.value}`);
-  }
-
-  let ctl: WorkerCtl;
-  try {
-    ctl = JSON.parse(ctlText) as WorkerCtl;
-  } catch {
-    return err(`corrupt worker control file: ${ctlPath}`);
-  }
-
-  if (typeof ctl.port !== "number" || ctl.port <= 0) {
-    return err(`invalid worker control file: ${ctlPath}`);
-  }
-
-  return await sendWorkerTcpCommand(
-    ctl.port,
-    { type: "resume", threadId },
-    { awaitResponseLine: true },
-  );
-}
diff --git a/packages/cli-workflow/src/worker-spawn.ts b/packages/cli-workflow/src/worker-spawn.ts
index 57a175a..35456e0 100644
--- a/packages/cli-workflow/src/worker-spawn.ts
+++ b/packages/cli-workflow/src/worker-spawn.ts
@@ -237,6 +237,30 @@ export async function sendWorkerTcpCommand(
   });
 }
 
+export async function readWorkerCtl(
+  storageRoot: string,
+  hash: string,
+): Promise<Result<WorkerCtl, string>> {
+  const ctlPath = join(storageRoot, "workers", `${hash}.json`);
+  const ctlText = await readTextFileIfExists(ctlPath);
+  if (ctlText === null) {
+    return err(`worker control file missing for bundle hash ${hash}`);
+  }
+
+  let ctl: WorkerCtl;
+  try {
+    ctl = JSON.parse(ctlText) as WorkerCtl;
+  } catch {
+    return err(`corrupt worker control file: ${ctlPath}`);
+  }
+
+  if (typeof ctl.port !== "number" || ctl.port <= 0) {
+    return err(`invalid worker control file: ${ctlPath}`);
+  }
+
+  return ok(ctl);
+}
+
 export async function resolveRunningHashForThread(
   storageRoot: string,
   threadId: string,