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

src/renderer/handlers/keyboard.test.ts

@@ -670,6 +670,21 @@ test('numeric selection ignores non-digit keys instead of falling through to oth
   }
 });
 
+test('numeric selection start focuses overlay for follow-up digit keys', async () => {
+  const { handlers, testGlobals } = createKeyboardHandlerHarness();
+
+  try {
+    await handlers.setupMpvInputForwarding();
+    handlers.beginSessionNumericSelection('copySubtitleMultiple');
+
+    assert.equal(testGlobals.focusMainWindowCalls() > 0, true);
+    assert.equal(testGlobals.windowFocusCalls() > 0, true);
+    assert.equal(testGlobals.overlayFocusCalls.length > 0, true);
+  } finally {
+    testGlobals.restore();
+  }
+});
+
 test('keyboard mode: left and right move token selection while popup remains open', async () => {
   const { ctx, handlers, testGlobals } = createKeyboardHandlerHarness();
 

src/renderer/handlers/keyboard.ts

@@ -147,6 +147,7 @@ export function createKeyboardHandlers(
 
   function startPendingNumericSelection(
     actionId: 'copySubtitleMultiple' | 'mineSentenceMultiple',
+    timeoutMs: number = ctx.state.sessionActionTimeoutMs,
   ): void {
     cancelPendingNumericSelection(false);
     const timeoutMessage = actionId === 'copySubtitleMultiple' ? 'Copy timeout' : 'Mine timeout';
@@ -159,15 +160,17 @@ export function createKeyboardHandlers(
       timeout: setTimeout(() => {
         pendingNumericSelection = null;
         showSessionSelectionMessage(timeoutMessage);
-      }, ctx.state.sessionActionTimeoutMs),
+      }, timeoutMs),
     };
     showSessionSelectionMessage(promptMessage);
   }
 
   function beginSessionNumericSelection(
     actionId: 'copySubtitleMultiple' | 'mineSentenceMultiple',
+    timeoutMs?: number,
   ): void {
-    startPendingNumericSelection(actionId);
+    startPendingNumericSelection(actionId, timeoutMs);
+    restoreOverlayKeyboardFocus();
   }
 
   function handlePendingNumericSelection(e: KeyboardEvent): boolean {

src/renderer/renderer.ts

@@ -530,6 +530,12 @@ function registerModalOpenHandlers(): void {
 }
 
 function registerKeyboardCommandHandlers(): void {
+  window.electronAPI.onSessionNumericSelectionStart((payload) => {
+    runGuarded('session:numeric-selection-start', () => {
+      keyboardHandlers.beginSessionNumericSelection(payload.actionId, payload.timeoutMs);
+    });
+  });
+
   window.electronAPI.onKeyboardModeToggleRequested(() => {
     runGuarded('keyboard-mode-toggle:requested', () => {
       keyboardHandlers.handleKeyboardModeToggleRequested();