feat(ui): add merge-helper task selection dialog

src/ClaudeDo.Localization/locales/de.json

@@ -365,6 +365,20 @@
       "forgetFolders": "Ordner vergessen",
       "alreadyAdded": "(bereits hinzugefügt)"
     },
+    "mergeHelper": {
+      "title": "CLAUDE MACHEN LASSEN",
+      "windowTitle": "Claude machen lassen",
+      "scopeAll": "Alle Listen",
+      "scopeList": "Liste: {0}",
+      "confirm": "Claude machen lassen",
+      "cancel": "Abbrechen",
+      "selectAll": "Alle auswählen",
+      "selectNone": "Keine auswählen",
+      "empty": "Keine Aufgaben zu übergeben — alles erledigt oder abgebrochen.",
+      "columnTask": "AUFGABE",
+      "columnStatus": "STATUS",
+      "columnList": "LISTE"
+    },
     "unfinishedPlanning": {
       "title": "UNVOLLENDETE PLANUNGSSITZUNG",
       "windowTitle": "Unvollendete Planungssitzung",

src/ClaudeDo.Localization/locales/en.json

@@ -365,6 +365,20 @@
       "forgetFolders": "Forget folders",
       "alreadyAdded": "(already added)"
     },
+    "mergeHelper": {
+      "title": "LET CLAUDE HANDLE IT",
+      "windowTitle": "Let Claude handle it",
+      "scopeAll": "All lists",
+      "scopeList": "List: {0}",
+      "confirm": "Let Claude handle it",
+      "cancel": "Cancel",
+      "selectAll": "Select all",
+      "selectNone": "Select none",
+      "empty": "No tasks to hand over — everything is done or cancelled.",
+      "columnTask": "TASK",
+      "columnStatus": "STATUS",
+      "columnList": "LIST"
+    },
     "unfinishedPlanning": {
       "title": "UNFINISHED PLANNING SESSION",
       "windowTitle": "Unfinished planning session",