diff --git a/package.json b/package.json
index e4f68cc..e01d924 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "docs:build": "vitepress build docs",
     "docs:preview": "vitepress preview docs --host 0.0.0.0 --port 4173 --strictPort",
     "test:config": "pnpm run build && node --test dist/config/config.test.js",
-    "test:core": "pnpm run build && node --test dist/cli/args.test.js dist/cli/help.test.js dist/core/services/cli-command-service.test.js dist/core/services/cli-command-deps-runtime-service.test.js dist/core/services/ipc-deps-runtime-service.test.js dist/core/services/anki-jimaku-ipc-deps-runtime-service.test.js dist/core/services/field-grouping-overlay-runtime-service.test.js dist/core/services/subsync-deps-runtime-service.test.js dist/core/services/numeric-shortcut-session-service.test.js dist/core/services/secondary-subtitle-service.test.js dist/core/services/mpv-render-metrics-service.test.js dist/core/services/mpv-runtime-service.test.js dist/core/services/runtime-options-runtime-service.test.js dist/core/services/overlay-modal-restore-service.test.js dist/core/services/runtime-config-service.test.js dist/core/services/overlay-bridge-runtime-service.test.js dist/core/services/overlay-visibility-facade-service.test.js dist/core/services/overlay-broadcast-runtime-service.test.js dist/core/services/app-ready-runtime-service.test.js dist/core/services/app-shutdown-runtime-service.test.js dist/core/services/mpv-client-deps-runtime-service.test.js dist/core/services/app-lifecycle-deps-runtime-service.test.js dist/core/services/runtime-options-manager-runtime-service.test.js dist/core/services/config-warning-runtime-service.test.js dist/core/services/app-logging-runtime-service.test.js dist/core/services/startup-resource-runtime-service.test.js dist/core/services/config-generation-runtime-service.test.js",
+    "test:core": "pnpm run build && node --test dist/cli/args.test.js dist/cli/help.test.js dist/core/services/cli-command-service.test.js dist/core/services/cli-command-deps-runtime-service.test.js dist/core/services/ipc-deps-runtime-service.test.js dist/core/services/anki-jimaku-ipc-deps-runtime-service.test.js dist/core/services/field-grouping-overlay-runtime-service.test.js dist/core/services/subsync-deps-runtime-service.test.js dist/core/services/numeric-shortcut-runtime-service.test.js dist/core/services/numeric-shortcut-session-service.test.js dist/core/services/secondary-subtitle-service.test.js dist/core/services/mpv-render-metrics-service.test.js dist/core/services/mpv-runtime-service.test.js dist/core/services/runtime-options-runtime-service.test.js dist/core/services/overlay-modal-restore-service.test.js dist/core/services/runtime-config-service.test.js dist/core/services/overlay-bridge-runtime-service.test.js dist/core/services/overlay-visibility-facade-service.test.js dist/core/services/overlay-broadcast-runtime-service.test.js dist/core/services/app-ready-runtime-service.test.js dist/core/services/app-shutdown-runtime-service.test.js dist/core/services/mpv-client-deps-runtime-service.test.js dist/core/services/app-lifecycle-deps-runtime-service.test.js dist/core/services/runtime-options-manager-runtime-service.test.js dist/core/services/config-warning-runtime-service.test.js dist/core/services/app-logging-runtime-service.test.js dist/core/services/startup-resource-runtime-service.test.js dist/core/services/config-generation-runtime-service.test.js",
     "test:subtitle": "pnpm run build && node --test dist/subtitle/stages.test.js dist/subtitle/pipeline.test.js",
     "generate:config-example": "pnpm run build && node dist/generate-config-example.js",
     "start": "pnpm run build && electron . --start",
diff --git a/src/core/services/numeric-shortcut-runtime-service.test.ts b/src/core/services/numeric-shortcut-runtime-service.test.ts
new file mode 100644
index 0000000..8351ecf
--- /dev/null
+++ b/src/core/services/numeric-shortcut-runtime-service.test.ts
@@ -0,0 +1,48 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import { createNumericShortcutRuntimeService } from "./numeric-shortcut-runtime-service";
+
+test("createNumericShortcutRuntimeService creates sessions wired to globalShortcut", () => {
+  const registered: string[] = [];
+  const unregistered: string[] = [];
+  const osd: string[] = [];
+  const handlers = new Map<string, () => void>();
+
+  const runtime = createNumericShortcutRuntimeService({
+    globalShortcut: {
+      register: (accelerator, callback) => {
+        registered.push(accelerator);
+        handlers.set(accelerator, callback);
+        return true;
+      },
+      unregister: (accelerator) => {
+        unregistered.push(accelerator);
+        handlers.delete(accelerator);
+      },
+    },
+    showMpvOsd: (text) => {
+      osd.push(text);
+    },
+    setTimer: () => setTimeout(() => {}, 1000),
+    clearTimer: (timer) => clearTimeout(timer),
+  });
+
+  const session = runtime.createSession();
+  session.start({
+    timeoutMs: 5000,
+    onDigit: () => {},
+    messages: {
+      prompt: "Select count",
+      timeout: "Timed out",
+    },
+  });
+
+  assert.equal(session.isActive(), true);
+  assert.ok(registered.includes("1"));
+  assert.ok(registered.includes("Escape"));
+  assert.equal(osd[0], "Select count");
+
+  handlers.get("Escape")?.();
+  assert.equal(session.isActive(), false);
+  assert.ok(unregistered.includes("Escape"));
+});
diff --git a/src/core/services/numeric-shortcut-runtime-service.ts b/src/core/services/numeric-shortcut-runtime-service.ts
new file mode 100644
index 0000000..48140fd
--- /dev/null
+++ b/src/core/services/numeric-shortcut-runtime-service.ts
@@ -0,0 +1,37 @@
+import {
+  createNumericShortcutSessionService,
+} from "./numeric-shortcut-session-service";
+
+interface GlobalShortcutLike {
+  register: (accelerator: string, callback: () => void) => boolean;
+  unregister: (accelerator: string) => void;
+}
+
+export interface NumericShortcutRuntimeOptions {
+  globalShortcut: GlobalShortcutLike;
+  showMpvOsd: (text: string) => void;
+  setTimer: (
+    handler: () => void,
+    timeoutMs: number,
+  ) => ReturnType<typeof setTimeout>;
+  clearTimer: (timer: ReturnType<typeof setTimeout>) => void;
+}
+
+export function createNumericShortcutRuntimeService(
+  options: NumericShortcutRuntimeOptions,
+) {
+  const createSession = () =>
+    createNumericShortcutSessionService({
+      registerShortcut: (accelerator, handler) =>
+        options.globalShortcut.register(accelerator, handler),
+      unregisterShortcut: (accelerator) =>
+        options.globalShortcut.unregister(accelerator),
+      setTimer: options.setTimer,
+      clearTimer: options.clearTimer,
+      showMpvOsd: options.showMpvOsd,
+    });
+
+  return {
+    createSession,
+  };
+}
diff --git a/src/main.ts b/src/main.ts
index 4c0fbd9..55dcc12 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -112,7 +112,6 @@ import {
 } from "./core/services/overlay-shortcut-service";
 import { runOverlayShortcutLocalFallback } from "./core/services/overlay-shortcut-fallback-runner";
 import { createOverlayShortcutRuntimeHandlers } from "./core/services/overlay-shortcut-runtime-service";
-import { createNumericShortcutSessionService } from "./core/services/numeric-shortcut-session-service";
 import { handleCliCommandService } from "./core/services/cli-command-service";
 import { cycleSecondarySubModeService } from "./core/services/secondary-subtitle-service";
 import {
@@ -205,6 +204,7 @@ import { createIpcDepsRuntimeService } from "./core/services/ipc-deps-runtime-se
 import { createAnkiJimakuIpcDepsRuntimeService } from "./core/services/anki-jimaku-ipc-deps-runtime-service";
 import { createFieldGroupingOverlayRuntimeService } from "./core/services/field-grouping-overlay-runtime-service";
 import { createSubsyncRuntimeDepsService } from "./core/services/subsync-deps-runtime-service";
+import { createNumericShortcutRuntimeService } from "./core/services/numeric-shortcut-runtime-service";
 import { createRuntimeOptionsManagerRuntimeService } from "./core/services/runtime-options-manager-runtime-service";
 import { createAppLoggingRuntimeService } from "./core/services/app-logging-runtime-service";
 import {
@@ -959,23 +959,14 @@ function showMpvOsd(text: string): void {
   );
 }
 
-const multiCopySession = createNumericShortcutSessionService({
-  registerShortcut: (accelerator, handler) =>
-    globalShortcut.register(accelerator, handler),
-  unregisterShortcut: (accelerator) => globalShortcut.unregister(accelerator),
+const numericShortcutRuntime = createNumericShortcutRuntimeService({
+  globalShortcut,
+  showMpvOsd: (text) => showMpvOsd(text),
   setTimer: (handler, timeoutMs) => setTimeout(handler, timeoutMs),
   clearTimer: (timer) => clearTimeout(timer),
-  showMpvOsd: (text) => showMpvOsd(text),
-});
-
-const mineSentenceSession = createNumericShortcutSessionService({
-  registerShortcut: (accelerator, handler) =>
-    globalShortcut.register(accelerator, handler),
-  unregisterShortcut: (accelerator) => globalShortcut.unregister(accelerator),
-  setTimer: (handler, timeoutMs) => setTimeout(handler, timeoutMs),
-  clearTimer: (timer) => clearTimeout(timer),
-  showMpvOsd: (text) => showMpvOsd(text),
 });
+const multiCopySession = numericShortcutRuntime.createSession();
+const mineSentenceSession = numericShortcutRuntime.createSession();
 
 function getSubsyncRuntimeDeps() {
   return createSubsyncRuntimeDepsService({