feat(anki): add Senren scene-switching field grouping

- Support auto, manual, and disabled Senren duplicate-card merges
- Group sentence, furigana, audio, picture, and miscInfo fields

src/config/definitions/options-integrations.ts

@@ -371,6 +371,28 @@ export function buildIntegrationConfigOptionRegistry(
       description:
         'When Kiku field grouping is "auto", delete the duplicate source card after grouping completes.',
     },
+    {
+      path: 'ankiConnect.isSenren.fieldGrouping',
+      kind: 'enum',
+      enumValues: ['auto', 'manual', 'disabled'],
+      defaultValue: defaultConfig.ankiConnect.isSenren.fieldGrouping,
+      description: 'Senren duplicate-card field grouping mode (scene switching).',
+      runtime: runtimeOptionById.get('anki.senrenFieldGrouping'),
+    },
+    {
+      path: 'ankiConnect.isSenren.enabled',
+      kind: 'boolean',
+      defaultValue: defaultConfig.ankiConnect.isSenren.enabled,
+      description:
+        'Enable Senren-specific duplicate handling (scene-switching field grouping, including miscInfo grouping). Mutually exclusive with isKiku.enabled.',
+    },
+    {
+      path: 'ankiConnect.isSenren.deleteDuplicateInAuto',
+      kind: 'boolean',
+      defaultValue: defaultConfig.ankiConnect.isSenren.deleteDuplicateInAuto,
+      description:
+        'When Senren field grouping is "auto", delete the duplicate source card after grouping completes.',
+    },
     {
       path: 'ankiConnect.isLapis.enabled',
       kind: 'boolean',