fix(audit): P2 frontend any→concrete types (181→61), heroicons→lucide-react, missing type exports, toast API, Select options, TaskStatus types; P2-9 hooks.py type annotations

frontend/src/components/shared/CsvImportDialog.tsx

@@ -1,3 +1,4 @@
+import { asError } from '@/utils/errorTypes';
 import React, { useState, useRef, useCallback } from 'react';
 import { Modal } from '@/components/ui/Modal';
 import { Button } from '@/components/ui/Button';
@@ -74,8 +75,8 @@ export function CsvImportDialog({ open, onClose, onSuccess }: CsvImportDialogPro
       setError(null);
       onSuccess?.();
       onClose();
-    } catch (err: any) {
-      toast.error(err.message || 'Import fehlgeschlagen.');
+    } catch (err: unknown) { const errObj = asError(err);
+      toast.error(errObj.message || 'Import fehlgeschlagen.');
     } finally {
       setImporting(false);
     }