fix(overlay): prevent field grouping modal from freezing overlay on Hyprland (#138)

src/anki-integration/field-grouping-workflow.test.ts

@@ -26,6 +26,7 @@ function createWorkflowHarness() {
   const deleted: number[][] = [];
   const addedTags: Array<{ noteIds: number[]; tags: string[] }> = [];
   const statuses: string[] = [];
+  const osdMessages: string[] = [];
   const rememberedMerges: Array<{ deletedNoteId: number; keptNoteId: number }> = [];
   const mergeCalls: Array<{
     keepNoteId: number;
@@ -112,7 +113,9 @@ function createWorkflowHarness() {
       statuses.push(message);
     },
     showNotification: async () => undefined,
-    showOsdNotification: () => undefined,
+    showOsdNotification: (message: string) => {
+      osdMessages.push(message);
+    },
     logError: () => undefined,
     logInfo: () => undefined,
     truncateSentence: (value: string) => value,
@@ -125,6 +128,7 @@ function createWorkflowHarness() {
     addedTags,
     rememberedMerges,
     statuses,
+    osdMessages,
     mergeCalls,
     setManualChoice: (choice: typeof manualChoice) => {
       manualChoice = choice;
@@ -191,6 +195,50 @@ test('FieldGroupingWorkflow manual mode returns false when callback unavailable'
   assert.equal(harness.updates.length, 0);
 });
 
+test('FieldGroupingWorkflow manual cancel notifies exactly once', async () => {
+  const harness = createWorkflowHarness();
+  harness.setManualChoice({
+    keepNoteId: 0,
+    deleteNoteId: 0,
+    deleteDuplicate: true,
+    cancelled: true,
+  });
+
+  const handled = await harness.workflow.handleManual(1, 2, {
+    noteId: 2,
+    fields: {
+      Expression: { value: 'word-2' },
+      Sentence: { value: 'line-2' },
+    },
+  });
+
+  assert.equal(handled, false);
+  assert.deepEqual(harness.osdMessages, ['Field grouping cancelled']);
+  assert.equal(harness.updates.length, 0);
+});
+
+test('FieldGroupingWorkflow manual mode notifies when the original card cannot be loaded', async () => {
+  const harness = createWorkflowHarness();
+  harness.setManualChoice({
+    keepNoteId: 1,
+    deleteNoteId: 2,
+    deleteDuplicate: true,
+    cancelled: false,
+  });
+  harness.deps.client.notesInfo = async () => [];
+
+  const handled = await harness.workflow.handleManual(1, 2, {
+    noteId: 2,
+    fields: {
+      Expression: { value: 'word-2' },
+      Sentence: { value: 'line-2' },
+    },
+  });
+
+  assert.equal(handled, false);
+  assert.deepEqual(harness.osdMessages, ['Field grouping failed: original card not found']);
+});
+
 test('FieldGroupingWorkflow manual keep-new uses new note as merge target and old note as source', async () => {
   const harness = createWorkflowHarness();
   harness.setManualChoice({

src/anki-integration/field-grouping-workflow.ts

@@ -98,6 +98,8 @@ export class FieldGroupingWorkflow {
       const originalNotesInfoResult = await this.deps.client.notesInfo([originalNoteId]);
       const originalNotesInfo = originalNotesInfoResult as FieldGroupingWorkflowNoteInfo[];
       if (!originalNotesInfo || originalNotesInfo.length === 0) {
+        // handleManual owns all user-facing notifications; callers must not re-notify on false.
+        this.deps.showOsdNotification('Field grouping failed: original card not found');
         return false;
       }
 

src/anki-integration/field-grouping.test.ts

@@ -302,7 +302,7 @@ test('triggerFieldGroupingForLastAddedCard refreshes the card when configured fi
   assert.deepEqual(harness.manualCalls, []);
 });
 
-test('triggerFieldGroupingForLastAddedCard shows a cancellation message when manual grouping is declined', async () => {
+test('triggerFieldGroupingForLastAddedCard does not re-notify when manual grouping is declined', async () => {
   const harness = createHarness({
     kikuFieldGrouping: 'manual',
     noteIds: [9],
@@ -339,7 +339,9 @@ test('triggerFieldGroupingForLastAddedCard shows a cancellation message when man
       expression: 'word-9',
     },
   ]);
-  assert.equal(harness.calls.at(-1), 'osd:Field grouping cancelled');
+  // The manual workflow already notifies about its outcome (cancelled/unavailable/failed);
+  // the trigger wrapper re-notifying produced two "Field grouping cancelled" toasts.
+  assert.equal(harness.calls.filter((call) => call === 'osd:Field grouping cancelled').length, 0);
 });
 
 test('buildFieldGroupingPreview returns merged compact and full previews', async () => {

src/anki-integration/field-grouping.ts

@@ -156,15 +156,14 @@ export class FieldGroupingService {
           );
           return;
         }
-        const handled = await this.deps.handleFieldGroupingManual(
+        // The manual workflow owns all user-facing notifications for its outcomes (cancelled,
+        // unavailable, failed) — re-notifying on a false return here duplicated them.
+        await this.deps.handleFieldGroupingManual(
           duplicateNoteId,
           noteId,
           noteInfo,
           expressionText,
         );
-        if (!handled) {
-          this.deps.showOsdNotification('Field grouping cancelled');
-        }
       });
     } catch (error) {
       log.error('Error triggering field grouping:', (error as Error).message);

src/core/services/field-grouping-overlay.test.ts

@@ -245,6 +245,12 @@ test('createFieldGroupingOverlayRuntime callback cancels and cleans up when kiku
           restoreOnModalClose: 'kiku',
           preferModalWindow: true,
         },
+        // Abandonment also asks the renderer hosting the modal to close its dialog.
+        {
+          channel: 'kiku:field-grouping-cancel',
+          restoreOnModalClose: undefined,
+          preferModalWindow: true,
+        },
       ],
     );
     assert.deepEqual(waitCalls, [
@@ -254,7 +260,76 @@ test('createFieldGroupingOverlayRuntime callback cancels and cleans up when kiku
     assert.deepEqual(warnings, [
       'Kiku field grouping modal did not acknowledge modal open on first attempt; retrying dedicated modal window.',
     ]);
-    assert.deepEqual(closed, ['kiku']);
+    // Once from the send-failure path inside sendKikuFieldGroupingRequest, once from the
+    // callback's abandonment cleanup. The real runtime guards this via the restore set, so
+    // the duplicate is a harmless no-op.
+    assert.deepEqual(closed, ['kiku', 'kiku']);
+  } finally {
+    globalThis.setTimeout = originalSetTimeout;
+  }
+});
+
+test('createFieldGroupingOverlayRuntime prepares overlay windows before opening the modal', async () => {
+  // The field grouping modal must run the same prerequisites as every other modal
+  // (openOverlayHostedModal) so it opens with the overlay runtime ready and the visible overlay
+  // window present — otherwise on Hyprland it fails to sit above / focus over fullscreen mpv.
+  const order: string[] = [];
+  const originalSetTimeout = globalThis.setTimeout;
+  // The modal acknowledges open below, so the callback stays pending and arms its response
+  // timeout; stub the timer so no real 90s handle leaks into the test runner.
+  globalThis.setTimeout = (() => 0) as unknown as typeof globalThis.setTimeout;
+
+  try {
+    const runtime = createFieldGroupingOverlayRuntime<'kiku'>({
+      getMainWindow: () => null,
+      getVisibleOverlayVisible: () => false,
+      setVisibleOverlayVisible: () => {},
+      getResolver: () => null,
+      setResolver: () => {},
+      getRestoreVisibleOverlayOnModalClose: () => new Set<'kiku'>(),
+      ensureOverlayStartupPrereqs: () => order.push('prereqs'),
+      ensureOverlayWindowsReadyForVisibilityActions: () => order.push('windows-ready'),
+      sendToVisibleOverlay: (channel) => {
+        order.push(`send:${channel}`);
+        return true;
+      },
+      waitForModalOpen: async () => {
+        order.push('wait');
+        return true;
+      },
+    });
+
+    // Do not await: an acknowledged modal leaves the choice pending until the user responds.
+    void runtime.createFieldGroupingCallback()({
+      original: {
+        noteId: 1,
+        expression: 'a',
+        sentencePreview: 'a',
+        hasAudio: false,
+        hasImage: false,
+        isOriginal: true,
+      },
+      duplicate: {
+        noteId: 2,
+        expression: 'b',
+        sentencePreview: 'b',
+        hasAudio: false,
+        hasImage: false,
+        isOriginal: false,
+      },
+    });
+
+    // Let the async send + modal-open ack chain run.
+    for (let i = 0; i < 10; i += 1) {
+      await Promise.resolve();
+    }
+
+    assert.deepEqual(order, [
+      'prereqs',
+      'windows-ready',
+      'send:kiku:field-grouping-request',
+      'wait',
+    ]);
   } finally {
     globalThis.setTimeout = originalSetTimeout;
   }

src/core/services/field-grouping-overlay.ts

@@ -1,4 +1,5 @@
 import { KikuFieldGroupingChoice, KikuFieldGroupingRequestData } from '../../types';
+import { IPC_CHANNELS } from '../../shared/ipc/contracts';
 import { createFieldGroupingCallbackRuntime, sendToVisibleOverlayRuntime } from './overlay-bridge';
 
 interface WindowLike {
@@ -22,6 +23,15 @@ export interface FieldGroupingOverlayRuntimeOptions<T extends string> {
   waitForModalOpen?: (modal: T, timeoutMs: number) => Promise<boolean>;
   handleOverlayModalClosed?: (modal: T) => void;
   logWarn?: (message: string) => void;
+  /**
+   * Prepare the overlay runtime and (re)create the visible overlay window before opening the
+   * modal — the same prerequisites every other modal runs via `openOverlayHostedModal`. Without
+   * them the field grouping modal can open with no sibling overlay window present, and on
+   * Hyprland it then fails to sit above / take focus over fullscreen mpv the way the other
+   * modals do.
+   */
+  ensureOverlayStartupPrereqs?: () => void;
+  ensureOverlayWindowsReadyForVisibilityActions?: () => void;
   sendToVisibleOverlay?: (
     channel: string,
     payload?: unknown,
@@ -69,11 +79,16 @@ export function createFieldGroupingOverlayRuntime<T extends string>(
     data: KikuFieldGroupingRequestData,
   ): Promise<boolean> => {
     const kikuModal = 'kiku' as T;
-    const sendOpen = (): boolean =>
-      sendToVisibleOverlay('kiku:field-grouping-request', data, {
+    const sendOpen = (): boolean => {
+      // Match every other modal's open path (openOverlayHostedModal): ensure the overlay runtime
+      // and visible overlay window exist before handing off to the dedicated modal window.
+      options.ensureOverlayStartupPrereqs?.();
+      options.ensureOverlayWindowsReadyForVisibilityActions?.();
+      return sendToVisibleOverlay('kiku:field-grouping-request', data, {
         restoreOnModalClose: kikuModal,
         preferModalWindow: true,
       });
+    };
 
     if (!options.waitForModalOpen) {
       return sendOpen();
@@ -102,6 +117,20 @@ export function createFieldGroupingOverlayRuntime<T extends string>(
     return opened;
   };
 
+  const dismissModalUi = (): void => {
+    const kikuModal = 'kiku' as T;
+    // Best-effort: tell the renderer hosting the modal to close its dialog. When the modal
+    // lives in the dedicated modal window this is redundant with the teardown below, but it
+    // also covers the case where the request was routed into the visible overlay.
+    sendToVisibleOverlay(IPC_CHANNELS.event.kikuFieldGroupingCancel, undefined, {
+      preferModalWindow: true,
+    });
+    // Reliable teardown of main-side modal state (restore set, main-overlay passthrough,
+    // dedicated modal window). This is what recovers the frozen overlay when a grouping
+    // request times out or fails to reach a visible modal.
+    options.handleOverlayModalClosed?.(kikuModal);
+  };
+
   const createFieldGroupingCallback = (): ((
     data: KikuFieldGroupingRequestData,
   ) => Promise<KikuFieldGroupingChoice>) => {
@@ -112,6 +141,7 @@ export function createFieldGroupingOverlayRuntime<T extends string>(
       setResolver: options.setResolver,
       sendToVisibleOverlay,
       sendKikuFieldGroupingRequest,
+      dismissModalUi,
     });
   };
 

src/core/services/field-grouping.test.ts

@@ -0,0 +1,272 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { KikuFieldGroupingChoice, KikuFieldGroupingRequestData } from '../../types';
+import { createFieldGroupingCallback } from './field-grouping';
+
+function makeRequestData(): KikuFieldGroupingRequestData {
+  return {
+    original: {
+      noteId: 1,
+      expression: 'a',
+      sentencePreview: 'a',
+      hasAudio: false,
+      hasImage: false,
+      isOriginal: true,
+    },
+    duplicate: {
+      noteId: 2,
+      expression: 'a',
+      sentencePreview: 'b',
+      hasAudio: false,
+      hasImage: false,
+      isOriginal: false,
+    },
+  };
+}
+
+/**
+ * Mirrors how main stores the resolver: it wraps the callback's resolver in a
+ * sequence-guarded closure, so the value read back is never identity-equal to the
+ * callback's own `finish`. The old `getResolver() === finish` clear-guard therefore
+ * never matched and leaked the resolver, wedging every later grouping attempt.
+ */
+function createWrappedResolverStore() {
+  let stored: ((choice: KikuFieldGroupingChoice) => void) | null = null;
+  return {
+    getResolver: () => stored,
+    setResolver: (resolver: ((choice: KikuFieldGroupingChoice) => void) | null) => {
+      stored = resolver ? (choice) => resolver(choice) : null;
+    },
+    respond: (choice: KikuFieldGroupingChoice) => {
+      stored?.(choice);
+    },
+  };
+}
+
+test('field grouping callback clears the wrapped resolver after a renderer response', async () => {
+  const store = createWrappedResolverStore();
+  let visible = false;
+  const callback = createFieldGroupingCallback({
+    getVisibleOverlayVisible: () => visible,
+    setVisibleOverlayVisible: (next) => {
+      visible = next;
+    },
+    getResolver: store.getResolver,
+    setResolver: store.setResolver,
+    sendRequestToVisibleOverlay: () => true,
+  });
+
+  const pending = callback(makeRequestData());
+  await Promise.resolve();
+  assert.notEqual(store.getResolver(), null);
+
+  const choice: KikuFieldGroupingChoice = {
+    keepNoteId: 1,
+    deleteNoteId: 2,
+    deleteDuplicate: true,
+    cancelled: false,
+  };
+  store.respond(choice);
+
+  assert.deepEqual(await pending, choice);
+  assert.equal(store.getResolver(), null);
+});
+
+test('field grouping callback does not reject the next request after a response', async () => {
+  const store = createWrappedResolverStore();
+  const callback = createFieldGroupingCallback({
+    getVisibleOverlayVisible: () => false,
+    setVisibleOverlayVisible: () => {},
+    getResolver: store.getResolver,
+    setResolver: store.setResolver,
+    sendRequestToVisibleOverlay: () => true,
+  });
+
+  const first = callback(makeRequestData());
+  await Promise.resolve();
+  store.respond({ keepNoteId: 1, deleteNoteId: 2, deleteDuplicate: true, cancelled: false });
+  const firstChoice = await first;
+  assert.equal(firstChoice.cancelled, false);
+
+  // The second attempt must reach the renderer, not short-circuit to an instant cancel.
+  const second = callback(makeRequestData());
+  await Promise.resolve();
+  assert.notEqual(store.getResolver(), null);
+  store.respond({ keepNoteId: 2, deleteNoteId: 1, deleteDuplicate: false, cancelled: false });
+  const secondChoice = await second;
+  assert.equal(secondChoice.cancelled, false);
+  assert.equal(secondChoice.keepNoteId, 2);
+});
+
+test('field grouping callback dismisses the modal UI when the send fails', async () => {
+  const store = createWrappedResolverStore();
+  let dismissed = 0;
+  const callback = createFieldGroupingCallback({
+    getVisibleOverlayVisible: () => false,
+    setVisibleOverlayVisible: () => {},
+    getResolver: store.getResolver,
+    setResolver: store.setResolver,
+    sendRequestToVisibleOverlay: () => false,
+    dismissModalUi: () => {
+      dismissed += 1;
+    },
+  });
+
+  const result = await callback(makeRequestData());
+  assert.equal(result.cancelled, true);
+  assert.equal(dismissed, 1);
+  assert.equal(store.getResolver(), null);
+});
+
+test('field grouping callback handles modal dismiss failures on send failure', async () => {
+  const store = createWrappedResolverStore();
+  const originalConsoleError = console.error;
+  console.error = () => {};
+  try {
+    const callback = createFieldGroupingCallback({
+      getVisibleOverlayVisible: () => false,
+      setVisibleOverlayVisible: () => {},
+      getResolver: store.getResolver,
+      setResolver: store.setResolver,
+      sendRequestToVisibleOverlay: () => false,
+      dismissModalUi: () => {
+        throw new Error('dismiss failed');
+      },
+    });
+
+    const result = await callback(makeRequestData());
+
+    assert.equal(result.cancelled, true);
+    assert.equal(store.getResolver(), null);
+  } finally {
+    console.error = originalConsoleError;
+  }
+});
+
+test('field grouping callback handles modal dismiss failures on timeout', async () => {
+  const store = createWrappedResolverStore();
+  const originalConsoleError = console.error;
+  console.error = () => {};
+  try {
+    const callback = createFieldGroupingCallback({
+      getVisibleOverlayVisible: () => false,
+      setVisibleOverlayVisible: () => {},
+      getResolver: store.getResolver,
+      setResolver: store.setResolver,
+      sendRequestToVisibleOverlay: () => true,
+      dismissModalUi: () => {
+        throw new Error('dismiss failed');
+      },
+      responseTimeoutMs: 5,
+    });
+
+    const result = await callback(makeRequestData());
+
+    assert.equal(result.cancelled, true);
+    assert.equal(store.getResolver(), null);
+  } finally {
+    console.error = originalConsoleError;
+  }
+});
+
+test('field grouping callback reports modal dismiss failures', async () => {
+  const store = createWrappedResolverStore();
+  const errors: unknown[] = [];
+  const originalConsoleError = console.error;
+  console.error = (...args: unknown[]) => {
+    errors.push(args);
+  };
+  try {
+    const callback = createFieldGroupingCallback({
+      getVisibleOverlayVisible: () => false,
+      setVisibleOverlayVisible: () => {},
+      getResolver: store.getResolver,
+      setResolver: store.setResolver,
+      sendRequestToVisibleOverlay: () => false,
+      dismissModalUi: () => {
+        throw new Error('dismiss failed');
+      },
+    });
+
+    await callback(makeRequestData());
+
+    assert.equal(errors.length, 1);
+  } finally {
+    console.error = originalConsoleError;
+  }
+});
+
+test('field grouping callback dismisses the modal UI when the response times out', async () => {
+  const store = createWrappedResolverStore();
+  let dismissed = 0;
+  const callback = createFieldGroupingCallback({
+    getVisibleOverlayVisible: () => false,
+    setVisibleOverlayVisible: () => {},
+    getResolver: store.getResolver,
+    setResolver: store.setResolver,
+    sendRequestToVisibleOverlay: () => true,
+    dismissModalUi: () => {
+      dismissed += 1;
+    },
+    responseTimeoutMs: 5,
+  });
+
+  const result = await callback(makeRequestData());
+  assert.equal(result.cancelled, true);
+  assert.equal(dismissed, 1);
+  assert.equal(store.getResolver(), null);
+});
+
+test('field grouping callback does not dismiss the modal UI on a normal response', async () => {
+  const store = createWrappedResolverStore();
+  let dismissed = 0;
+  const callback = createFieldGroupingCallback({
+    getVisibleOverlayVisible: () => false,
+    setVisibleOverlayVisible: () => {},
+    getResolver: store.getResolver,
+    setResolver: store.setResolver,
+    sendRequestToVisibleOverlay: () => true,
+    dismissModalUi: () => {
+      dismissed += 1;
+    },
+    responseTimeoutMs: 10000,
+  });
+
+  const pending = callback(makeRequestData());
+  await Promise.resolve();
+  store.respond({ keepNoteId: 1, deleteNoteId: 2, deleteDuplicate: true, cancelled: false });
+  await pending;
+  assert.equal(dismissed, 0);
+});
+
+test('field grouping callback rejects a concurrent request while one is pending', async () => {
+  const store = createWrappedResolverStore();
+  let sends = 0;
+  let dismissed = 0;
+  const callback = createFieldGroupingCallback({
+    getVisibleOverlayVisible: () => false,
+    setVisibleOverlayVisible: () => {},
+    getResolver: store.getResolver,
+    setResolver: store.setResolver,
+    sendRequestToVisibleOverlay: () => {
+      sends += 1;
+      return true;
+    },
+    dismissModalUi: () => {
+      dismissed += 1;
+    },
+    responseTimeoutMs: 10000,
+  });
+
+  const first = callback(makeRequestData());
+  await Promise.resolve();
+  assert.equal(sends, 1);
+
+  const second = await callback(makeRequestData());
+  assert.equal(second.cancelled, true);
+  assert.equal(sends, 1);
+  assert.equal(dismissed, 0);
+
+  store.respond({ keepNoteId: 1, deleteNoteId: 2, deleteDuplicate: true, cancelled: false });
+  await first;
+});

src/core/services/field-grouping.ts

@@ -1,21 +1,41 @@
 import { KikuFieldGroupingChoice, KikuFieldGroupingRequestData } from '../../types';
 
+const DEFAULT_FIELD_GROUPING_RESPONSE_TIMEOUT_MS = 90000;
+
 export function createFieldGroupingCallback(options: {
   getVisibleOverlayVisible: () => boolean;
   setVisibleOverlayVisible: (visible: boolean) => void;
   getResolver: () => ((choice: KikuFieldGroupingChoice) => void) | null;
   setResolver: (resolver: ((choice: KikuFieldGroupingChoice) => void) | null) => void;
   sendRequestToVisibleOverlay: (data: KikuFieldGroupingRequestData) => boolean | Promise<boolean>;
+  /**
+   * Tears down the modal UI when the request is abandoned without a renderer response
+   * (send failure or response timeout). Without this the dedicated modal window, its
+   * restore-set entry, and the forced main-overlay passthrough stay orphaned — which on
+   * Wayland leaves an invisible modal covering mpv and the overlay stuck unresponsive.
+   */
+  dismissModalUi?: () => void;
+  responseTimeoutMs?: number;
 }): (data: KikuFieldGroupingRequestData) => Promise<KikuFieldGroupingChoice> {
+  const cancelledChoice = (): KikuFieldGroupingChoice => ({
+    keepNoteId: 0,
+    deleteNoteId: 0,
+    deleteDuplicate: true,
+    cancelled: true,
+  });
+
+  const dismissModalUi = (): void => {
+    try {
+      options.dismissModalUi?.();
+    } catch (error) {
+      console.error('Failed to dismiss Kiku field grouping modal UI:', error);
+    }
+  };
+
   return async (data: KikuFieldGroupingRequestData): Promise<KikuFieldGroupingChoice> => {
     return new Promise((resolve) => {
       if (options.getResolver()) {
-        resolve({
-          keepNoteId: 0,
-          deleteNoteId: 0,
-          deleteDuplicate: true,
-          cancelled: true,
-        });
+        resolve(cancelledChoice());
         return;
       }
 
@@ -23,18 +43,26 @@ export function createFieldGroupingCallback(options: {
       let settled = false;
       let timeout: ReturnType<typeof setTimeout> | null = null;
 
-      const finish = (choice: KikuFieldGroupingChoice): void => {
+      const finish = (choice: KikuFieldGroupingChoice, abandoned = false): void => {
         if (settled) return;
         settled = true;
         if (timeout !== null) {
           clearTimeout(timeout);
           timeout = null;
         }
-        if (options.getResolver() === finish) {
-          options.setResolver(null);
-        }
+        // Always release the resolver. Callers (main) wrap this in a sequence-guarded
+        // resolver, so an identity check against `finish` never matches and would leak
+        // the resolver — blocking every later grouping attempt with an instant cancel.
+        options.setResolver(null);
         resolve(choice);
 
+        // When abandoned without a renderer response, tear down the modal window/state
+        // that the request path spun up. A normal response already routes through the
+        // renderer's close handler, so only the abandon paths need this.
+        if (abandoned) {
+          dismissModalUi();
+        }
+
         if (!previousVisibleOverlay && options.getVisibleOverlayVisible()) {
           options.setVisibleOverlayVisible(false);
         }
@@ -45,32 +73,17 @@ export function createFieldGroupingCallback(options: {
         (sent) => {
           if (settled) return;
           if (!sent) {
-            finish({
-              keepNoteId: 0,
-              deleteNoteId: 0,
-              deleteDuplicate: true,
-              cancelled: true,
-            });
+            finish(cancelledChoice(), true);
             return;
           }
           timeout = setTimeout(() => {
             if (!settled) {
-              finish({
-                keepNoteId: 0,
-                deleteNoteId: 0,
-                deleteDuplicate: true,
-                cancelled: true,
-              });
+              finish(cancelledChoice(), true);
             }
-          }, 90000);
+          }, options.responseTimeoutMs ?? DEFAULT_FIELD_GROUPING_RESPONSE_TIMEOUT_MS);
         },
         () => {
-          finish({
-            keepNoteId: 0,
-            deleteNoteId: 0,
-            deleteDuplicate: true,
-            cancelled: true,
-          });
+          finish(cancelledChoice(), true);
         },
       );
     });

src/core/services/hyprland-window-placement.test.ts

@@ -3,6 +3,7 @@ import test from 'node:test';
 import {
   buildHyprlandPlacementDispatches,
   ensureHyprlandWindowFloatingByTitle,
+  ensureHyprlandWindowFloatingByTitleWithStatus,
   findHyprlandWindowForPlacement,
   hasHyprlandWindowPlacementBoundsMismatch,
   shouldAttemptHyprlandWindowPlacement,
@@ -203,6 +204,67 @@ test('buildHyprlandPlacementDispatches unpins previously pinned overlay windows'
   );
 });
 
+test('ensureHyprlandWindowFloatingByTitleWithStatus reports not-applicable off Hyprland', () => {
+  const status = ensureHyprlandWindowFloatingByTitleWithStatus({
+    title: 'SubMiner Overlay Modal',
+    platform: 'linux',
+    env: {},
+    execFileSync: (() => {
+      throw new Error('should not query the compositor when placement is not applicable');
+    }) as never,
+  });
+
+  assert.deepEqual(status, { applicable: false, clientFound: false, dispatched: false });
+});
+
+test('ensureHyprlandWindowFloatingByTitleWithStatus reports pending when the client is not yet mapped', () => {
+  // The window has not been mapped by the compositor yet, so no client matches. Callers use
+  // this to keep retrying until the modal is actually placed above fullscreen mpv.
+  const status = ensureHyprlandWindowFloatingByTitleWithStatus({
+    title: 'SubMiner Overlay Modal',
+    platform: 'linux',
+    env: { HYPRLAND_INSTANCE_SIGNATURE: 'abc' },
+    pid: 999,
+    execFileSync: ((command: string, args: string[]) => {
+      if (args.join(' ') === '-j clients') {
+        return JSON.stringify([]);
+      }
+      return '';
+    }) as never,
+  });
+
+  assert.deepEqual(status, { applicable: true, clientFound: false, dispatched: false });
+});
+
+test('ensureHyprlandWindowFloatingByTitleWithStatus reports the client found once mapped', () => {
+  const status = ensureHyprlandWindowFloatingByTitleWithStatus({
+    title: 'SubMiner Overlay Modal',
+    platform: 'linux',
+    env: { HYPRLAND_INSTANCE_SIGNATURE: 'abc' },
+    pid: 456,
+    execFileSync: ((command: string, args: string[]) => {
+      if (args.join(' ') === '-j clients') {
+        return JSON.stringify([
+          {
+            address: '0xmatch',
+            pid: 456,
+            title: 'SubMiner Overlay Modal',
+            mapped: true,
+            floating: false,
+            pinned: false,
+          },
+        ]);
+      }
+      if (args.join(' ') === '-j status') {
+        return JSON.stringify({ configProvider: 'lua' });
+      }
+      return '';
+    }) as never,
+  });
+
+  assert.deepEqual(status, { applicable: true, clientFound: true, dispatched: true });
+});
+
 test('ensureHyprlandWindowFloatingByTitle dispatches float-only placement for matching tiled window', () => {
   const calls: unknown[][] = [];
   const placed = ensureHyprlandWindowFloatingByTitle({

src/core/services/hyprland-window-placement.ts

@@ -272,6 +272,21 @@ export function hasHyprlandWindowPlacementBoundsMismatch(options: {
   }
 }
 
+/**
+ * Placement outcome for a single reconcile attempt.
+ * - `applicable`: false when not running under Hyprland (nothing to retry).
+ * - `clientFound`: whether a mapped Hyprland client matched. On Wayland the window maps
+ *   asynchronously after `show()`, so early attempts can miss it — callers retry while this
+ *   is false so the modal actually gets promoted above fullscreen mpv instead of staying
+ *   invisible.
+ * - `dispatched`: whether any hyprctl dispatch was issued.
+ */
+export interface HyprlandPlacementStatus {
+  applicable: boolean;
+  clientFound: boolean;
+  dispatched: boolean;
+}
+
 export function ensureHyprlandWindowFloatingByTitle(options: {
   title: string;
   bounds?: HyprlandPlacementBounds | null;
@@ -281,8 +296,20 @@ export function ensureHyprlandWindowFloatingByTitle(options: {
   promote?: boolean;
   execFileSync?: ExecFileSync;
 }): boolean {
+  return ensureHyprlandWindowFloatingByTitleWithStatus(options).dispatched;
+}
+
+export function ensureHyprlandWindowFloatingByTitleWithStatus(options: {
+  title: string;
+  bounds?: HyprlandPlacementBounds | null;
+  platform?: NodeJS.Platform;
+  env?: NodeJS.ProcessEnv;
+  pid?: number;
+  promote?: boolean;
+  execFileSync?: ExecFileSync;
+}): HyprlandPlacementStatus {
   if (!shouldAttemptHyprlandWindowPlacement(options.platform, options.env)) {
-    return false;
+    return { applicable: false, clientFound: false, dispatched: false };
   }
 
   const run = options.execFileSync ?? execFileSync;
@@ -293,7 +320,7 @@ export function ensureHyprlandWindowFloatingByTitle(options: {
       title: options.title,
     });
     if (!client) {
-      return false;
+      return { applicable: true, clientFound: false, dispatched: false };
     }
 
     const configProvider = detectHyprlandConfigProvider(run);
@@ -329,9 +356,9 @@ export function ensureHyprlandWindowFloatingByTitle(options: {
         // Best-effort reconciliation: the initial placement dispatches already ran.
       }
     }
-    return dispatches.length > 0;
+    return { applicable: true, clientFound: true, dispatched: dispatches.length > 0 };
   } catch {
-    return false;
+    return { applicable: true, clientFound: false, dispatched: false };
   }
 }
 

src/core/services/overlay-bridge.ts

@@ -65,12 +65,14 @@ export function createFieldGroupingCallbackRuntime<T extends string>(options: {
     runtimeOptions?: { restoreOnModalClose?: T; preferModalWindow?: boolean },
   ) => boolean;
   sendKikuFieldGroupingRequest?: (data: KikuFieldGroupingRequestData) => Promise<boolean>;
+  dismissModalUi?: () => void;
 }): (data: KikuFieldGroupingRequestData) => Promise<KikuFieldGroupingChoice> {
   return createFieldGroupingCallback({
     getVisibleOverlayVisible: options.getVisibleOverlayVisible,
     setVisibleOverlayVisible: options.setVisibleOverlayVisible,
     getResolver: options.getResolver,
     setResolver: options.setResolver,
+    dismissModalUi: options.dismissModalUi,
     sendRequestToVisibleOverlay: (data) =>
       options.sendKikuFieldGroupingRequest
         ? options.sendKikuFieldGroupingRequest(data)

src/core/services/overlay-manager.ts

@@ -1,6 +1,7 @@
 import type { BrowserWindow } from 'electron';
 import { RuntimeOptionState, WindowGeometry } from '../../types';
 import { updateOverlayWindowBounds } from './overlay-window';
+import type { HyprlandPlacementStatus } from './hyprland-window-placement';
 
 export interface OverlayManager {
   getMainWindow: () => BrowserWindow | null;
@@ -9,7 +10,7 @@ export interface OverlayManager {
   setModalWindow: (window: BrowserWindow | null) => void;
   getOverlayWindow: () => BrowserWindow | null;
   setOverlayWindowBounds: (geometry: WindowGeometry) => void;
-  setModalWindowBounds: (geometry: WindowGeometry) => void;
+  setModalWindowBounds: (geometry: WindowGeometry) => HyprlandPlacementStatus;
   getVisibleOverlayVisible: () => boolean;
   setVisibleOverlayVisible: (visible: boolean) => void;
   getOverlayWindows: () => BrowserWindow[];
@@ -29,9 +30,12 @@ export function createOverlayManager(options: OverlayManagerOptions = {}): Overl
   let visibleOverlayVisible = false;
   const applyOverlayBounds = options.updateOverlayWindowBounds ?? updateOverlayWindowBounds;
 
-  const updateWindowBounds = (geometry: WindowGeometry, window: BrowserWindow | null): void => {
+  const updateWindowBounds = (
+    geometry: WindowGeometry,
+    window: BrowserWindow | null,
+  ): HyprlandPlacementStatus => {
     const promote = window ? (options.shouldPromoteWindowOnBoundsUpdate?.(window) ?? true) : true;
-    applyOverlayBounds(geometry, window, { promote });
+    return applyOverlayBounds(geometry, window, { promote });
   };
 
   return {
@@ -47,9 +51,7 @@ export function createOverlayManager(options: OverlayManagerOptions = {}): Overl
     setOverlayWindowBounds: (geometry) => {
       updateWindowBounds(geometry, mainWindow);
     },
-    setModalWindowBounds: (geometry) => {
-      updateWindowBounds(geometry, modalWindow);
-    },
+    setModalWindowBounds: (geometry) => updateWindowBounds(geometry, modalWindow),
     getVisibleOverlayVisible: () => visibleOverlayVisible,
     setVisibleOverlayVisible: (visible) => {
       visibleOverlayVisible = visible;

src/core/services/overlay-window.ts

@@ -9,7 +9,11 @@ import {
   handleOverlayWindowBlurred,
   type OverlayWindowKind,
 } from './overlay-window-input';
-import { ensureHyprlandWindowFloatingByTitle } from './hyprland-window-placement';
+import {
+  ensureHyprlandWindowFloatingByTitle,
+  ensureHyprlandWindowFloatingByTitleWithStatus,
+  type HyprlandPlacementStatus,
+} from './hyprland-window-placement';
 import { buildOverlayWindowOptions, OVERLAY_WINDOW_TITLES } from './overlay-window-options';
 import { normalizeOverlayWindowBoundsForPlatform } from './overlay-window-bounds';
 import { OVERLAY_WINDOW_CONTENT_READY_FLAG } from './overlay-window-flags';
@@ -54,8 +58,10 @@ export function updateOverlayWindowBounds(
   options: {
     promote?: boolean;
   } = {},
-): void {
-  if (!geometry || !window || window.isDestroyed()) return;
+): HyprlandPlacementStatus {
+  if (!geometry || !window || window.isDestroyed()) {
+    return { applicable: false, clientFound: false, dispatched: false };
+  }
   const bounds = normalizeOverlayWindowBoundsForPlatform(
     geometry,
     process.platform,
@@ -63,7 +69,7 @@ export function updateOverlayWindowBounds(
     window,
   );
   window.setBounds(bounds);
-  ensureHyprlandWindowFloatingByTitle({
+  return ensureHyprlandWindowFloatingByTitleWithStatus({
     title: window.getTitle(),
     bounds,
     promote: options.promote,

src/main.ts

@@ -2324,6 +2324,9 @@ const fieldGroupingOverlayRuntime = createFieldGroupingOverlayRuntime<OverlayHos
     waitForModalOpen: (modal, timeoutMs) => overlayModalRuntime.waitForModalOpen(modal, timeoutMs),
     handleOverlayModalClosed: (modal) => overlayModalRuntime.handleOverlayModalClosed(modal),
     logWarn: (message) => logger.warn(message),
+    ensureOverlayStartupPrereqs: () => ensureOverlayStartupPrereqs(),
+    ensureOverlayWindowsReadyForVisibilityActions: () =>
+      ensureOverlayWindowsReadyForVisibilityActions(),
     sendToActiveOverlayWindow: (channel, payload, runtimeOptions) =>
       overlayModalRuntime.sendToActiveOverlayWindow(channel, payload, runtimeOptions),
   })(),

src/main/overlay-runtime.test.ts

@@ -926,3 +926,156 @@ test('waitForModalOpen resolves false on timeout', async () => {
 
   assert.equal(await runtime.waitForModalOpen('youtube-track-picker', 5), false);
 });
+
+test('modal placement reconcile retries until the Hyprland client is mapped', () => {
+  const window = createMockWindow();
+  const timers: Array<() => void> = [];
+  const originalSetTimeout = globalThis.setTimeout;
+  globalThis.setTimeout = ((cb: () => void) => {
+    timers.push(cb);
+    return { unref() {} };
+  }) as unknown as typeof globalThis.setTimeout;
+
+  const statuses: Array<{ applicable: boolean; clientFound: boolean }> = [];
+  try {
+    const runtime = createOverlayModalRuntimeService({
+      getMainWindow: () => null,
+      getModalWindow: () => window as never,
+      createModalWindow: () => window as never,
+      getModalGeometry: () => ({ x: 0, y: 0, width: 400, height: 300 }),
+      setModalWindowBounds: () => {
+        // The compositor never maps the window, so every reconcile reports pending.
+        const status = { applicable: true, clientFound: false, dispatched: false };
+        statuses.push(status);
+        return status;
+      },
+    });
+
+    runtime.sendToActiveOverlayWindow(
+      'kiku:field-grouping-open',
+      { test: true },
+      { restoreOnModalClose: 'kiku', preferModalWindow: true },
+    );
+    runtime.notifyOverlayModalOpened('kiku');
+
+    let iterations = 0;
+    while (timers.length > 0 && iterations < 50) {
+      const next = timers.shift();
+      next?.();
+      iterations += 1;
+    }
+
+    // The reconcile ladder re-asserts placement across all six delays while the client
+    // stays unmapped, instead of the old single post-show attempt.
+    assert.ok(
+      statuses.length >= 6,
+      `expected at least 6 pending reconcile attempts, saw ${statuses.length}`,
+    );
+  } finally {
+    globalThis.setTimeout = originalSetTimeout;
+  }
+});
+
+test('modal placement reconcile stops retrying once the client is mapped', () => {
+  const window = createMockWindow();
+  const timers: Array<() => void> = [];
+  const originalSetTimeout = globalThis.setTimeout;
+  globalThis.setTimeout = ((cb: () => void) => {
+    timers.push(cb);
+    return { unref() {} };
+  }) as unknown as typeof globalThis.setTimeout;
+
+  let reconcileCount = 0;
+  try {
+    const runtime = createOverlayModalRuntimeService({
+      getMainWindow: () => null,
+      getModalWindow: () => window as never,
+      createModalWindow: () => window as never,
+      getModalGeometry: () => ({ x: 0, y: 0, width: 400, height: 300 }),
+      setModalWindowBounds: () => {
+        reconcileCount += 1;
+        // Client is already mapped, so placement is settled on the first attempt.
+        return { applicable: true, clientFound: true, dispatched: true };
+      },
+    });
+
+    runtime.sendToActiveOverlayWindow(
+      'kiku:field-grouping-open',
+      { test: true },
+      { restoreOnModalClose: 'kiku', preferModalWindow: true },
+    );
+    runtime.notifyOverlayModalOpened('kiku');
+
+    let iterations = 0;
+    while (timers.length > 0 && iterations < 50) {
+      const next = timers.shift();
+      next?.();
+      iterations += 1;
+    }
+
+    // No 6-deep ladder: a settled placement should not keep rescheduling.
+    assert.ok(
+      reconcileCount < 6,
+      `expected the ladder to stop early, saw ${reconcileCount} reconcile attempts`,
+    );
+  } finally {
+    globalThis.setTimeout = originalSetTimeout;
+  }
+});
+
+test('modal placement reconcile cancels stale retry ladder after a newer visible modal interaction', () => {
+  const window = createMockWindow();
+  type TimerEntry = { active: boolean; callback: () => void };
+  const timers: TimerEntry[] = [];
+  const activeTimerCount = () => timers.filter((timer) => timer.active).length;
+  const runNextActiveTimer = () => {
+    const timer = timers.find((candidate) => candidate.active);
+    if (!timer) return;
+    timer.active = false;
+    timer.callback();
+  };
+  const originalSetTimeout = globalThis.setTimeout;
+  const originalClearTimeout = globalThis.clearTimeout;
+  globalThis.setTimeout = ((cb: () => void) => {
+    const timer = { active: true, callback: cb, unref() {} };
+    timers.push(timer);
+    return timer;
+  }) as unknown as typeof globalThis.setTimeout;
+  globalThis.clearTimeout = ((timeout: TimerEntry | undefined) => {
+    if (timeout) {
+      timeout.active = false;
+    }
+  }) as unknown as typeof globalThis.clearTimeout;
+
+  try {
+    const runtime = createOverlayModalRuntimeService({
+      getMainWindow: () => null,
+      getModalWindow: () => window as never,
+      createModalWindow: () => window as never,
+      getModalGeometry: () => ({ x: 0, y: 0, width: 400, height: 300 }),
+      setModalWindowBounds: () => ({ applicable: true, clientFound: false, dispatched: false }),
+    });
+
+    runtime.sendToActiveOverlayWindow(
+      'kiku:field-grouping-open',
+      { test: true },
+      { restoreOnModalClose: 'kiku', preferModalWindow: true },
+    );
+    runtime.notifyOverlayModalOpened('kiku');
+    assert.equal(activeTimerCount(), 1);
+
+    runtime.sendToActiveOverlayWindow(
+      'kiku:field-grouping-open',
+      { test: true },
+      { restoreOnModalClose: 'kiku', preferModalWindow: true },
+    );
+    assert.equal(activeTimerCount(), 2);
+
+    runNextActiveTimer();
+
+    assert.equal(activeTimerCount(), 1, 'stale retry should not schedule a continuation');
+  } finally {
+    globalThis.setTimeout = originalSetTimeout;
+    globalThis.clearTimeout = originalClearTimeout;
+  }
+});

src/main/overlay-runtime.ts

@@ -1,10 +1,14 @@
 import type { BrowserWindow } from 'electron';
 import type { OverlayHostedModal } from '../shared/ipc/contracts';
 import type { WindowGeometry } from '../types';
+import type { HyprlandPlacementStatus } from '../core/services/hyprland-window-placement';
 import { OVERLAY_WINDOW_CONTENT_READY_FLAG } from '../core/services/overlay-window-flags';
 
 const MODAL_REVEAL_FALLBACK_DELAY_MS = 250;
-const MODAL_POST_SHOW_BOUNDS_RECONCILE_DELAY_MS = 50;
+// The dedicated modal window maps asynchronously on Wayland; a single reconcile can fire
+// before the compositor has a client to place, leaving the modal buried under fullscreen mpv.
+// Re-assert placement across this ladder until the Hyprland client is found (or attempts run out).
+const MODAL_POST_SHOW_BOUNDS_RECONCILE_DELAYS_MS = [50, 120, 250, 500, 900, 1400];
 
 function requestOverlayApplicationFocus(): void {
   try {
@@ -31,7 +35,7 @@ export interface OverlayWindowResolver {
   getModalWindow: () => BrowserWindow | null;
   createModalWindow: () => BrowserWindow | null;
   getModalGeometry: () => WindowGeometry;
-  setModalWindowBounds: (geometry: WindowGeometry) => void;
+  setModalWindowBounds: (geometry: WindowGeometry) => HyprlandPlacementStatus | void;
 }
 
 export interface OverlayModalRuntime {
@@ -73,6 +77,7 @@ export function createOverlayModalRuntimeService(
   let modalWindowPrimedForImmediateShow = false;
   let pendingModalWindowReveal: BrowserWindow | null = null;
   let pendingModalWindowRevealTimeout: RevealFallbackHandle | null = null;
+  const modalWindowBoundsReconcileGenerations = new WeakMap<BrowserWindow, number>();
   const scheduleRevealFallback = (callback: () => void, delayMs: number): RevealFallbackHandle =>
     (options.scheduleRevealFallback ?? globalThis.setTimeout)(callback, delayMs);
   const clearRevealFallback = (timeout: RevealFallbackHandle): void =>
@@ -145,21 +150,47 @@ export function createOverlayModalRuntimeService(
     window.moveTop();
   };
 
-  const reconcileModalWindowBounds = (window: BrowserWindow): void => {
+  const reconcileModalWindowBounds = (window: BrowserWindow): HyprlandPlacementStatus | void => {
     const modalWindow = deps.getModalWindow();
     if (!modalWindow || modalWindow !== window || window.isDestroyed()) {
       return;
     }
-    deps.setModalWindowBounds(deps.getModalGeometry());
+    return deps.setModalWindowBounds(deps.getModalGeometry());
   };
 
-  const scheduleModalWindowBoundsReconcile = (window: BrowserWindow): void => {
+  const nextModalWindowBoundsReconcileGeneration = (window: BrowserWindow): number => {
+    const generation = (modalWindowBoundsReconcileGenerations.get(window) ?? 0) + 1;
+    modalWindowBoundsReconcileGenerations.set(window, generation);
+    return generation;
+  };
+
+  const isCurrentModalWindowBoundsReconcileGeneration = (
+    window: BrowserWindow,
+    generation: number,
+  ): boolean => modalWindowBoundsReconcileGenerations.get(window) === generation;
+
+  const scheduleModalWindowBoundsReconcile = (
+    window: BrowserWindow,
+    generation: number,
+    attempt = 0,
+  ): void => {
+    if (attempt >= MODAL_POST_SHOW_BOUNDS_RECONCILE_DELAYS_MS.length) {
+      return;
+    }
     const timeout = setTimeout(() => {
+      if (!isCurrentModalWindowBoundsReconcileGeneration(window, generation)) {
+        return;
+      }
       if (window.isDestroyed() || !window.isVisible()) {
         return;
       }
-      reconcileModalWindowBounds(window);
-    }, MODAL_POST_SHOW_BOUNDS_RECONCILE_DELAY_MS);
+      const status = reconcileModalWindowBounds(window);
+      // Keep retrying only while a Hyprland placement is applicable but the compositor has
+      // not mapped the window yet. Once the client is found (or we're not on Hyprland), stop.
+      if (status && status.applicable && !status.clientFound) {
+        scheduleModalWindowBoundsReconcile(window, generation, attempt + 1);
+      }
+    }, MODAL_POST_SHOW_BOUNDS_RECONCILE_DELAYS_MS[attempt]);
     timeout.unref?.();
   };
 
@@ -206,8 +237,9 @@ export function createOverlayModalRuntimeService(
     if (!window.webContents.isFocused()) {
       window.webContents.focus();
     }
+    const reconcileGeneration = nextModalWindowBoundsReconcileGeneration(window);
     reconcileModalWindowBounds(window);
-    scheduleModalWindowBoundsReconcile(window);
+    scheduleModalWindowBoundsReconcile(window, reconcileGeneration);
   };
 
   const ensureModalWindowInteractive = (window: BrowserWindow): void => {
@@ -219,8 +251,9 @@ export function createOverlayModalRuntimeService(
     if (window.isVisible()) {
       window.focus();
       window.webContents.focus();
+      const reconcileGeneration = nextModalWindowBoundsReconcileGeneration(window);
       reconcileModalWindowBounds(window);
-      scheduleModalWindowBoundsReconcile(window);
+      scheduleModalWindowBoundsReconcile(window, reconcileGeneration);
       return;
     }
 

src/main/runtime/field-grouping-overlay-main-deps.test.ts

@@ -36,3 +36,50 @@ test('field grouping overlay main deps builder maps window visibility and resolv
   assert.equal(deps.sendToVisibleOverlay('kiku:open', 1), true);
   assert.deepEqual(calls, ['visible:true', 'set-resolver:null', 'send:kiku:open:1']);
 });
+
+test('field grouping overlay main deps builder forwards modal open/teardown/prereq wiring', () => {
+  // Regression: these are optional on the runtime options, so a missing forward compiled
+  // silently and left the field grouping modal with no ack/retry, no teardown, and no prereqs —
+  // the reason the earlier recovery fixes never took effect.
+  const calls: string[] = [];
+  const waitForModalOpen = async (modal: 'kiku', timeoutMs: number): Promise<boolean> => {
+    calls.push(`wait:${modal}:${timeoutMs}`);
+    return true;
+  };
+  const handleOverlayModalClosed = (modal: 'kiku'): void => {
+    calls.push(`closed:${modal}`);
+  };
+  const logWarn = (message: string): void => {
+    calls.push(`warn:${message}`);
+  };
+  const ensureOverlayStartupPrereqs = (): void => {
+    calls.push('prereqs');
+  };
+  const ensureOverlayWindowsReadyForVisibilityActions = (): void => {
+    calls.push('windows-ready');
+  };
+
+  const deps = createBuildFieldGroupingOverlayMainDepsHandler<'kiku'>({
+    getMainWindow: () => null,
+    getVisibleOverlayVisible: () => false,
+    setVisibleOverlayVisible: () => {},
+    getResolver: () => null,
+    setResolver: () => {},
+    getRestoreVisibleOverlayOnModalClose: () => new Set<'kiku'>(),
+    waitForModalOpen,
+    handleOverlayModalClosed,
+    logWarn,
+    ensureOverlayStartupPrereqs,
+    ensureOverlayWindowsReadyForVisibilityActions,
+    sendToActiveOverlayWindow: () => true,
+  })();
+
+  assert.equal(deps.waitForModalOpen, waitForModalOpen);
+  assert.equal(deps.handleOverlayModalClosed, handleOverlayModalClosed);
+  assert.equal(deps.logWarn, logWarn);
+  assert.equal(deps.ensureOverlayStartupPrereqs, ensureOverlayStartupPrereqs);
+  assert.equal(
+    deps.ensureOverlayWindowsReadyForVisibilityActions,
+    ensureOverlayWindowsReadyForVisibilityActions,
+  );
+});

src/main/runtime/field-grouping-overlay-main-deps.ts

@@ -28,6 +28,15 @@ export function createBuildFieldGroupingOverlayMainDepsHandler<TModal extends st
     getResolver: () => deps.getResolver(),
     setResolver: (resolver) => deps.setResolver(resolver),
     getRestoreVisibleOverlayOnModalClose: () => deps.getRestoreVisibleOverlayOnModalClose(),
+    // These are optional on the runtime options, so a missing forward compiles silently — but
+    // dropping them left the field grouping modal with no modal-open ack/retry, no teardown on
+    // failure, and no warn logging, which is why the earlier recovery fixes never took effect.
+    waitForModalOpen: deps.waitForModalOpen,
+    handleOverlayModalClosed: deps.handleOverlayModalClosed,
+    logWarn: deps.logWarn,
+    ensureOverlayStartupPrereqs: deps.ensureOverlayStartupPrereqs,
+    ensureOverlayWindowsReadyForVisibilityActions:
+      deps.ensureOverlayWindowsReadyForVisibilityActions,
     sendToVisibleOverlay: (
       channel: string,
       payload?: unknown,

src/main/runtime/overlay-bootstrap-main-deps.test.ts

@@ -26,8 +26,9 @@ test('overlay modal runtime main deps builder maps window resolvers', () => {
     getModalWindow: () => modalWindow as never,
     createModalWindow: () => modalWindow as never,
     getModalGeometry: () => ({ x: 1, y: 2, width: 3, height: 4 }),
-    setModalWindowBounds: (geometry) =>
-      calls.push(`modal-bounds:${geometry.x},${geometry.y},${geometry.width},${geometry.height}`),
+    setModalWindowBounds: (geometry) => {
+      calls.push(`modal-bounds:${geometry.x},${geometry.y},${geometry.width},${geometry.height}`);
+    },
   })();
 
   assert.equal(deps.getMainWindow(), mainWindow);

src/preload.ts

@@ -201,6 +201,9 @@ const onKikuFieldGroupingRequestEvent =
     IPC_CHANNELS.event.kikuFieldGroupingRequest,
     (payload) => payload as KikuFieldGroupingRequestData,
   );
+const onKikuFieldGroupingCancelEvent = createQueuedIpcListener(
+  IPC_CHANNELS.event.kikuFieldGroupingCancel,
+);
 const onSubtitleSetEvent = createLatestValueIpcListenerWithPayload<SubtitleData>(
   IPC_CHANNELS.event.subtitleSet,
   (payload) => payload as SubtitleData,
@@ -396,6 +399,7 @@ const electronAPI: ElectronAPI = {
     ipcRenderer.invoke(IPC_CHANNELS.request.runSubsyncManual, request),
 
   onKikuFieldGroupingRequest: onKikuFieldGroupingRequestEvent,
+  onKikuFieldGroupingCancel: onKikuFieldGroupingCancelEvent,
   kikuBuildMergePreview: (request: KikuMergePreviewRequest): Promise<KikuMergePreviewResponse> =>
     ipcRenderer.invoke(IPC_CHANNELS.request.kikuBuildMergePreview, request),
 

src/renderer/renderer.ts

@@ -565,6 +565,13 @@ function registerModalOpenHandlers(): void {
       });
     },
   );
+  window.electronAPI.onKikuFieldGroupingCancel(() => {
+    runGuarded('kiku:field-grouping-cancel', () => {
+      // Main already settled the choice (timeout/failure); just close the dialog. Using the
+      // plain close path avoids sending a second, redundant response back to main.
+      kikuModal.closeKikuFieldGroupingModal();
+    });
+  });
 }
 
 function registerKeyboardCommandHandlers(): void {

src/shared/ipc/contracts.ts

@@ -130,6 +130,7 @@ export const IPC_CHANNELS = {
     secondarySubtitleMode: 'secondary-subtitle:mode',
     subsyncOpenManual: 'subsync:open-manual',
     kikuFieldGroupingRequest: 'kiku:field-grouping-request',
+    kikuFieldGroupingCancel: 'kiku:field-grouping-cancel',
     runtimeOptionsChanged: 'runtime-options:changed',
     runtimeOptionsOpen: 'runtime-options:open',
     jimakuOpen: 'jimaku:open',

src/types/runtime.ts

@@ -471,6 +471,7 @@ export interface ElectronAPI {
   onSubsyncManualOpen: (callback: (payload: SubsyncManualPayload) => void) => void;
   runSubsyncManual: (request: SubsyncManualRunRequest) => Promise<SubsyncResult>;
   onKikuFieldGroupingRequest: (callback: (data: KikuFieldGroupingRequestData) => void) => void;
+  onKikuFieldGroupingCancel: (callback: () => void) => void;
   kikuBuildMergePreview: (request: KikuMergePreviewRequest) => Promise<KikuMergePreviewResponse>;
   kikuFieldGroupingRespond: (choice: KikuFieldGroupingChoice) => void;
   getRuntimeOptions: () => Promise<RuntimeOptionState[]>;