fix: delegate multi-line digit selection to visible overlay (#78)

src/main/runtime/overlay-numeric-selection.test.ts

@@ -0,0 +1,72 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+
+import { IPC_CHANNELS } from '../../shared/ipc/contracts';
+import { tryBeginVisibleOverlayNumericSelection } from './overlay-numeric-selection';
+
+function createWindowStub(
+  options: {
+    destroyed?: boolean;
+    visible?: boolean;
+    focused?: boolean;
+    webContentsFocused?: boolean;
+  } = {},
+) {
+  const calls: string[] = [];
+  return {
+    calls,
+    window: {
+      isDestroyed: () => options.destroyed === true,
+      isVisible: () => options.visible !== false,
+      isFocused: () => options.focused === true,
+      setIgnoreMouseEvents: (ignore: boolean) => {
+        calls.push(`mouse:${ignore}`);
+      },
+      focus: () => {
+        calls.push('focus');
+      },
+      webContents: {
+        isFocused: () => options.webContentsFocused === true,
+        focus: () => {
+          calls.push('web-focus');
+        },
+        send: (channel: string, payload: unknown) => {
+          calls.push(`send:${channel}:${JSON.stringify(payload)}`);
+        },
+      },
+    },
+  };
+}
+
+test('tryBeginVisibleOverlayNumericSelection focuses visible overlay and sends selector event', () => {
+  const { window, calls } = createWindowStub();
+
+  const handled = tryBeginVisibleOverlayNumericSelection({
+    actionId: 'copySubtitleMultiple',
+    timeoutMs: 1234,
+    getMainWindow: () => window,
+    getVisibleOverlayVisible: () => true,
+  });
+
+  assert.equal(handled, true);
+  assert.deepEqual(calls, [
+    'mouse:false',
+    'focus',
+    'web-focus',
+    `send:${IPC_CHANNELS.event.sessionNumericSelectionStart}:{"actionId":"copySubtitleMultiple","timeoutMs":1234}`,
+  ]);
+});
+
+test('tryBeginVisibleOverlayNumericSelection skips hidden visible overlay', () => {
+  const { window, calls } = createWindowStub({ visible: false });
+
+  const handled = tryBeginVisibleOverlayNumericSelection({
+    actionId: 'mineSentenceMultiple',
+    timeoutMs: 3000,
+    getMainWindow: () => window,
+    getVisibleOverlayVisible: () => true,
+  });
+
+  assert.equal(handled, false);
+  assert.deepEqual(calls, []);
+});