Fix any type usage in proprietary/ (#5949)

# Description of Changes
Follow on from #5934, expanding `any` type usage ban to the
`proprietary/` folder

frontend/eslint.config.mjs

@@ -83,7 +83,10 @@ export default defineConfig(
   },
   // Folders that have been cleaned up and are now conformant - stricter rules enforced here
   {
-    files: ['src/saas/**/*.{js,mjs,jsx,ts,tsx}'],
+    files: [
+      'src/proprietary/**/*.{js,mjs,jsx,ts,tsx}',
+      'src/saas/**/*.{js,mjs,jsx,ts,tsx}',
+    ],
     languageOptions: {
       parserOptions: {
         project: true,

frontend/src/proprietary/auth/springAuthClient.test.ts

@@ -2,7 +2,7 @@ import { describe, it, expect, beforeEach, vi, afterEach } from 'vitest';
 import { springAuth } from '@app/auth/springAuthClient';
 import { startOAuthNavigation } from '@app/extensions/oauthNavigation';
 import apiClient from '@app/services/apiClient';
-import { AxiosError } from 'axios';
+import { AxiosError, type AxiosResponse, type InternalAxiosRequestConfig } from 'axios';
 
 // Mock apiClient
 vi.mock('@app/services/apiClient');
@@ -45,7 +45,7 @@ describe('SpringAuthClient', () => {
       vi.mocked(apiClient.get).mockResolvedValueOnce({
         status: 200,
         data: { user: mockUser },
-      } as any);
+      } as unknown as AxiosResponse);
 
       const result = await springAuth.getSession();
 
@@ -74,7 +74,7 @@ describe('SpringAuthClient', () => {
           statusText: 'Unauthorized',
           data: {},
           headers: {},
-          config: {} as any,
+          config: {} as InternalAxiosRequestConfig,
         }
       );
 
@@ -102,7 +102,7 @@ describe('SpringAuthClient', () => {
           statusText: 'Forbidden',
           data: {},
           headers: {},
-          config: {} as any,
+          config: {} as InternalAxiosRequestConfig,
         }
       );
 
@@ -141,7 +141,7 @@ describe('SpringAuthClient', () => {
             expires_in: 3600,
           },
         },
-      } as any);
+      } as unknown as AxiosResponse);
 
       // Spy on window.dispatchEvent
       const dispatchEventSpy = vi.spyOn(window, 'dispatchEvent');
@@ -208,7 +208,7 @@ describe('SpringAuthClient', () => {
       vi.mocked(apiClient.post).mockResolvedValueOnce({
         status: 200,
         data: { user: mockUser },
-      } as any);
+      } as unknown as AxiosResponse);
 
       const result = await springAuth.signUp(credentials);
 
@@ -259,7 +259,7 @@ describe('SpringAuthClient', () => {
       vi.mocked(apiClient.post).mockResolvedValueOnce({
         status: 200,
         data: {},
-      } as any);
+      } as unknown as AxiosResponse);
 
       const result = await springAuth.signOut();
 
@@ -308,7 +308,7 @@ describe('SpringAuthClient', () => {
             expires_in: 3600,
           },
         },
-      } as any);
+      } as unknown as AxiosResponse);
 
       const result = await springAuth.refreshSession();
 

frontend/src/proprietary/auth/springAuthClient.ts

@@ -85,7 +85,7 @@ export interface User {
   is_anonymous?: boolean;
   isFirstLogin?: boolean;
   authenticationType?: string;
-  app_metadata?: Record<string, any>;
+  app_metadata?: Record<string, unknown>;
 }
 
 export interface Session {
@@ -447,7 +447,7 @@ class SpringAuthClient {
    */
   async signInWithOAuth(params: {
     provider: OAuthProvider;
-    options?: { redirectTo?: string; queryParams?: Record<string, any> };
+    options?: { redirectTo?: string; queryParams?: Record<string, string> };
   }): Promise<{ error: AuthError | null }> {
     try {
       const redirectPath = normalizeRedirectPath(params.options?.redirectTo);

frontend/src/proprietary/components/shared/ChangeUserPasswordModal.tsx

@@ -1,4 +1,5 @@
 import { useEffect, useMemo, useState } from 'react';
+import { isAxiosError } from 'axios';
 import { useTranslation } from 'react-i18next';
 import {
   ActionIcon,
@@ -125,8 +126,10 @@ export default function ChangeUserPasswordModal({ opened, onClose, user, onSucce
       alert({ alertType: 'success', title: t('workspace.people.changePassword.success', 'Password updated successfully') });
       onSuccess();
       handleClose();
-    } catch (error: any) {
+    } catch (error: unknown) {
-      const errorMessage = error.response?.data?.message || error.response?.data?.error || error.message || t('workspace.people.changePassword.error', 'Failed to update password');
+      const errorMessage = isAxiosError(error)
+        ? (error.response?.data?.message || error.response?.data?.error || error.message)
+        : (error instanceof Error ? error.message : undefined) || t('workspace.people.changePassword.error', 'Failed to update password');
       alert({ alertType: 'error', title: errorMessage });
     } finally {
       setProcessing(false);

frontend/src/proprietary/components/shared/DividerWithText.tsx

@@ -12,7 +12,7 @@ interface TextDividerProps {
 export default function DividerWithText({ text, className = '', style, variant = 'default', respondsToDarkMode = true, opacity }: TextDividerProps) {
   const variantClass = variant === 'subcategory' ? 'subcategory' : '';
   const themeClass = respondsToDarkMode ? '' : 'force-light';
-  const styleWithOpacity = opacity !== undefined ? { ...(style || {}), ['--text-divider-opacity' as any]: opacity } : style;
+  const styleWithOpacity = opacity !== undefined ? { ...(style || {}), ['--text-divider-opacity' as string]: opacity } : style;
 
   if (text) {
     return (

frontend/src/proprietary/components/shared/InviteMembersModal.tsx

@@ -1,4 +1,5 @@
 import { useState, useEffect, useRef } from 'react';
+import { isAxiosError } from 'axios';
 import { useTranslation } from 'react-i18next';
 import {
   Modal,
@@ -158,9 +159,11 @@ export default function InviteMembersModal({ opened, onClose, onSuccess }: Invit
         forceChange: false,
         forceMFA: false,
       });
-    } catch (error: any) {
+    } catch (error: unknown) {
       console.error('Failed to invite user:', error);
-      const errorMessage = error.response?.data?.message || error.response?.data?.error || error.message || t('workspace.people.addMember.error');
+      const errorMessage = isAxiosError(error)
+        ? (error.response?.data?.message || error.response?.data?.error || error.message)
+        : (error instanceof Error ? error.message : undefined) || t('workspace.people.addMember.error');
       alert({ alertType: 'error', title: errorMessage });
     } finally {
       setProcessing(false);
@@ -211,12 +214,11 @@ export default function InviteMembersModal({ opened, onClose, onSuccess }: Invit
           body: response.errors || response.error
         });
       }
-    } catch (error: any) {
+    } catch (error: unknown) {
       console.error('Failed to invite users:', error);
-      const errorMessage = error.response?.data?.message ||
+      const errorMessage = isAxiosError(error)
-                          error.response?.data?.error ||
+        ? (error.response?.data?.message || error.response?.data?.error || error.message)
-                          error.message ||
+        : (error instanceof Error ? error.message : undefined) || t('workspace.people.emailInvite.error', 'Failed to send invites');
-                          t('workspace.people.emailInvite.error', 'Failed to send invites');
       alert({ alertType: 'error', title: errorMessage });
     } finally {
       setProcessing(false);
@@ -239,9 +241,11 @@ export default function InviteMembersModal({ opened, onClose, onSuccess }: Invit
       if (inviteLinkForm.sendEmail && inviteLinkForm.email) {
         alert({ alertType: 'success', title: t('workspace.people.inviteLink.emailSent', 'Invite link generated and sent via email') });
       }
-    } catch (error: any) {
+    } catch (error: unknown) {
       console.error('Failed to generate invite link:', error);
-      const errorMessage = error.response?.data?.message || error.response?.data?.error || error.message || t('workspace.people.inviteLink.error', 'Failed to generate invite link');
+      const errorMessage = isAxiosError(error)
+        ? (error.response?.data?.message || error.response?.data?.error || error.message)
+        : (error instanceof Error ? error.message : undefined) || t('workspace.people.inviteLink.error', 'Failed to generate invite link');
       alert({ alertType: 'error', title: errorMessage });
     } finally {
       setProcessing(false);

frontend/src/proprietary/components/shared/ManageBillingButton.tsx

@@ -34,12 +34,12 @@ export const ManageBillingButton: React.FC<ManageBillingButtonProps> = ({
       // Open billing portal in new tab
       window.open(response.url, '_blank');
       setLoading(false);
-    } catch (error: any) {
+    } catch (error: unknown) {
       console.error('Failed to open billing portal:', error);
       alert({
         alertType: 'error',
         title: t('billing.portal.error', 'Failed to open billing portal'),
-        body: error.message || 'Please try again or contact support.',
+        body: (error instanceof Error ? error.message : undefined) || 'Please try again or contact support.',
       });
       setLoading(false);
     }

frontend/src/proprietary/components/shared/UpgradeBanner.tsx

@@ -86,7 +86,7 @@ const UpgradeBanner: React.FC = () => {
   const scenarioProvidesInfo =
     scenarioKey && scenarioKey !== 'unknown' && scenarioKey !== 'licensed';
   const derivedIsAdmin = scenarioProvidesInfo
-    ? scenarioKey!.includes('admin')
+    ? scenarioKey.includes('admin')
     : isAdmin;
   const derivedHasPaidLicense =
     scenarioKey === 'licensed'
@@ -95,10 +95,10 @@ const UpgradeBanner: React.FC = () => {
         ? hasPaidLicense
         : false;
   const derivedIsUnderLimit = scenarioProvidesInfo
-    ? scenarioKey!.includes('under-limit')
+    ? scenarioKey.includes('under-limit')
     : isUnderLimit === true;
   const derivedIsOverLimit = scenarioProvidesInfo
-    ? scenarioKey!.includes('over-limit')
+    ? scenarioKey.includes('over-limit')
     : isOverLimit === true;
 
   const effectiveIsAdmin = scenario

frontend/src/proprietary/components/shared/config/configSections/AdminAdvancedSection.tsx

@@ -1,4 +1,5 @@
 import { useCallback, useEffect, useMemo, useState } from 'react';
+import { isAxiosError } from 'axios';
 import { useTranslation } from 'react-i18next';
 import { NumberInput, Switch, Button, Stack, Paper, Text, Loader, Group, Accordion, TextInput, MultiSelect } from '@mantine/core';
 import { alert } from '@app/components/toast';
@@ -72,7 +73,7 @@ export default function AdminAdvancedSection() {
     isFieldPending,
   } = useAdminSettings<AdvancedSettingsData>({
     sectionName: 'advanced',
-    fetchTransformer: async (): Promise<AdvancedSettingsData & { _pending?: Record<string, any> }> => {
+    fetchTransformer: async (): Promise<AdvancedSettingsData & { _pending?: Record<string, unknown> }> => {
       const [systemResponse, processExecutorResponse] = await Promise.all([
         apiClient.get('/api/v1/admin/settings/section/system'),
         apiClient.get('/api/v1/admin/settings/section/processExecutor')
@@ -81,7 +82,7 @@ export default function AdminAdvancedSection() {
       const systemData = systemResponse.data || {};
       const processExecutorData = processExecutorResponse.data || {};
 
-      const result: AdvancedSettingsData & { _pending?: Record<string, any> } = {
+      const result: AdvancedSettingsData & { _pending?: Record<string, unknown> } = {
         enableAlphaFunctionality: systemData.enableAlphaFunctionality || false,
         maxDPI: systemData.maxDPI || 0,
         enableUrlToPDF: systemData.enableUrlToPDF || false,
@@ -101,7 +102,7 @@ export default function AdminAdvancedSection() {
       };
 
       // Merge pending blocks from both endpoints
-      const pendingBlock: Record<string, any> = {};
+      const pendingBlock: Record<string, unknown> = {};
       if (systemData._pending?.enableAlphaFunctionality !== undefined) {
         pendingBlock.enableAlphaFunctionality = systemData._pending.enableAlphaFunctionality;
       }
@@ -131,7 +132,7 @@ export default function AdminAdvancedSection() {
       return result;
     },
     saveTransformer: (settings) => {
-      const deltaSettings: Record<string, any> = {
+      const deltaSettings: Record<string, unknown> = {
         'system.enableAlphaFunctionality': settings.enableAlphaFunctionality,
         'system.maxDPI': settings.maxDPI,
         'system.enableUrlToPDF': settings.enableUrlToPDF,
@@ -281,9 +282,8 @@ export default function AdminAdvancedSection() {
       setManualDownloadLinks([]);
     } catch (error) {
       console.error('[AdminAdvancedSection] Download tessdata languages failed', error);
-      const response = (error as any)?.response;
+      const status = isAxiosError(error) ? error.response?.status : undefined;
-      const status = response?.status;
+      const serverMessage = isAxiosError(error) ? error.response?.data?.message : undefined;
-      const serverMessage = response?.data?.message;
 
       if (status === 403) {
         console.warn('[AdminAdvancedSection] Tessdata directory not writable, falling back to manual download:', serverMessage);
@@ -309,12 +309,12 @@ export default function AdminAdvancedSection() {
       }
 
       let message: string;
-      if (!response) {
+      if (!isAxiosError(error) || !error.response) {
         message = t(
           'admin.settings.advanced.tessdataDir.downloadErrorNetwork',
           'Download failed due to a network error. Please check your connection and try again.'
         );
-      } else if (status >= 500) {
+      } else if (status !== undefined && status >= 500) {
         message = t(
           'admin.settings.advanced.tessdataDir.downloadErrorServer',
           'The server encountered an error while downloading tessdata languages. Please try again later.'

frontend/src/proprietary/components/shared/config/configSections/AdminAuditSection.tsx

@@ -1,4 +1,5 @@
 import React, { useState, useEffect } from 'react';
+import { isAxiosError } from 'axios';
 import { Tabs, Loader, Alert, Stack, Text, Button, Accordion } from '@mantine/core';
 import { useTranslation } from 'react-i18next';
 import { useNavigate } from 'react-router-dom';
@@ -35,9 +36,9 @@ const AdminAuditSection: React.FC = () => {
         setError(null);
         const status = await auditService.getSystemStatus();
         setSystemStatus(status);
-      } catch (err: any) {
+      } catch (err: unknown) {
         // Check if this is a permission/license error (403/404)
-        const status = err?.response?.status;
+        const status = isAxiosError(err) ? err.response?.status : undefined;
         if (status === 403 || status === 404) {
           setError('enterprise-license-required');
         } else {

frontend/src/proprietary/components/shared/config/configSections/AdminConnectionsSection.tsx

@@ -44,6 +44,66 @@ interface TelegramSettingsData {
   feedback?: FeedbackSettings;
 }
 
+interface MailSettings {
+  enabled?: boolean;
+  enableInvites?: boolean;
+  host?: string;
+  port?: number;
+  username?: string;
+  password?: string;
+  from?: string;
+}
+
+interface GoogleDriveSettings {
+  enabled?: boolean;
+  clientId?: string;
+  apiKey?: string;
+  appId?: string;
+}
+
+interface OAuth2GenericSettings {
+  enabled?: boolean;
+  provider?: string;
+  issuer?: string;
+  clientId?: string;
+  clientSecret?: string;
+  scopes?: string;
+  useAsUsername?: string;
+  autoCreateUser?: boolean;
+  blockRegistration?: boolean;
+}
+
+interface Saml2Settings {
+  enabled?: boolean;
+  provider?: string;
+  registrationId?: string;
+  idpMetadataUri?: string;
+  idpSingleLoginUrl?: string;
+  idpSingleLogoutUrl?: string;
+  idpIssuer?: string;
+  idpCert?: string;
+  privateKey?: string;
+  spCert?: string;
+  autoCreateUser?: boolean;
+  blockRegistration?: boolean;
+}
+
+interface OAuth2ClientSettings {
+  clientId?: string;
+  clientSecret?: string;
+  scopes?: string;
+  useAsUsername?: string;
+  issuer?: string;
+}
+
+type ProviderSettings =
+  | MailSettings
+  | TelegramSettingsData
+  | GoogleDriveSettings
+  | OAuth2GenericSettings
+  | Saml2Settings
+  | OAuth2ClientSettings;
+
 interface ConnectionsSettingsData {
   oauth2?: {
     enabled?: boolean;
@@ -55,22 +115,10 @@ interface ConnectionsSettingsData {
     blockRegistration?: boolean;
     useAsUsername?: string;
     scopes?: string;
-    client?: {
+    client?: Record<string, OAuth2ClientSettings>;
-      [key: string]: any;
-    };
-  };
-  saml2?: {
-    [key: string]: any;
-  };
-  mail?: {
-    enabled?: boolean;
-    enableInvites?: boolean;
-    host?: string;
-    port?: number;
-    username?: string;
-    password?: string;
-    from?: string;
   };
+  saml2?: Saml2Settings;
+  mail?: MailSettings;
   telegram?: TelegramSettingsData;
   ssoAutoLogin?: boolean;
   enableMobileScanner?: boolean;
@@ -93,7 +141,7 @@ export default function AdminConnectionsSection() {
 
   const adminSettings = useAdminSettings<ConnectionsSettingsData>({
     sectionName: 'connections',
-    fetchTransformer: async (): Promise<ConnectionsSettingsData & { _pending?: Record<string, any> }> => {
+    fetchTransformer: async (): Promise<ConnectionsSettingsData & { _pending?: Record<string, unknown> }> => {
       // Fetch security settings (oauth2, saml2)
       const securityResponse = await apiClient.get('/api/v1/admin/settings/section/security');
       const securityData = securityResponse.data || {};
@@ -114,7 +162,7 @@ export default function AdminConnectionsSection() {
       const systemResponse = await apiClient.get('/api/v1/admin/settings/section/system');
       const systemData = systemResponse.data || {};
 
-      const result: ConnectionsSettingsData & { _pending?: Record<string, any> } = {
+      const result: ConnectionsSettingsData & { _pending?: Record<string, unknown> } = {
         oauth2: securityData.oauth2 || {},
         saml2: securityData.saml2 || {},
         mail: mailData || {},
@@ -132,7 +180,7 @@ export default function AdminConnectionsSection() {
       };
 
       // Merge pending blocks from all endpoints
-      const pendingBlock: Record<string, any> = {};
+      const pendingBlock: Record<string, unknown> = {};
       if (securityData._pending?.oauth2) {
         pendingBlock.oauth2 = securityData._pending.oauth2;
       }
@@ -183,13 +231,13 @@ export default function AdminConnectionsSection() {
       return result;
     },
     saveTransformer: (currentSettings: ConnectionsSettingsData) => {
-      const deltaSettings: Record<string, any> = {};
+      const deltaSettings: Record<string, unknown> = {};
 
       // Build delta for oauth2 settings
       if (currentSettings.oauth2) {
         Object.keys(currentSettings.oauth2).forEach((key) => {
           if (key !== 'client') {
-            deltaSettings[`security.oauth2.${key}`] = (currentSettings.oauth2 as Record<string, any>)[key];
+            deltaSettings[`security.oauth2.${key}`] = (currentSettings.oauth2 as Record<string, unknown>)[key];
           }
         });
 
@@ -197,7 +245,7 @@ export default function AdminConnectionsSection() {
         const oauth2Client = currentSettings.oauth2.client;
         if (oauth2Client) {
           Object.keys(oauth2Client).forEach((providerId) => {
-            const providerSettings = oauth2Client[providerId];
+            const providerSettings = oauth2Client[providerId] as Record<string, unknown>;
             Object.keys(providerSettings).forEach((key) => {
               deltaSettings[`security.oauth2.client.${providerId}.${key}`] = providerSettings[key];
             });
@@ -207,22 +255,25 @@ export default function AdminConnectionsSection() {
 
       // Build delta for saml2 settings
       if (currentSettings.saml2) {
-        Object.keys(currentSettings.saml2).forEach((key) => {
+        const saml2 = currentSettings.saml2 as Record<string, unknown>;
-          deltaSettings[`security.saml2.${key}`] = (currentSettings.saml2 as Record<string, any>)[key];
+        Object.keys(saml2).forEach((key) => {
+          deltaSettings[`security.saml2.${key}`] = saml2[key];
         });
       }
 
       // Mail settings
       if (currentSettings.mail) {
-        Object.keys(currentSettings.mail).forEach((key) => {
+        const mail = currentSettings.mail as Record<string, unknown>;
-          deltaSettings[`mail.${key}`] = (currentSettings.mail as Record<string, any>)[key];
+        Object.keys(mail).forEach((key) => {
+          deltaSettings[`mail.${key}`] = mail[key];
         });
       }
 
       // Telegram settings
       if (currentSettings.telegram) {
-        Object.keys(currentSettings.telegram).forEach((key) => {
+        const telegram = currentSettings.telegram as Record<string, unknown>;
-          deltaSettings[`telegram.${key}`] = (currentSettings.telegram as Record<string, any>)[key];
+        Object.keys(telegram).forEach((key) => {
+          deltaSettings[`telegram.${key}`] = telegram[key];
         });
       }
 
@@ -332,7 +383,7 @@ export default function AdminConnectionsSection() {
     return !!(providerSettings?.clientId);
   };
 
-  const getProviderSettings = (provider: Provider): Record<string, any> => {
+  const getProviderSettings = (provider: Provider): ProviderSettings => {
     if (provider.id === 'saml2') {
       return settings?.saml2 || {};
     }
@@ -346,17 +397,17 @@ export default function AdminConnectionsSection() {
     }
 
     if (provider.id === 'googledrive') {
-      return {
+      const gd: GoogleDriveSettings = {
         enabled: settings?.googleDriveEnabled,
         clientId: settings?.googleDriveClientId,
         apiKey: settings?.googleDriveApiKey,
         appId: settings?.googleDriveAppId,
       };
+      return gd;
     }
 
     if (provider.id === 'oauth2-generic') {
-      // Generic OAuth2 settings are at the root oauth2 level
+      const generic: OAuth2GenericSettings = {
-      return {
         enabled: settings?.oauth2?.enabled,
         provider: settings?.oauth2?.provider,
         issuer: settings?.oauth2?.issuer,
@@ -367,6 +418,7 @@ export default function AdminConnectionsSection() {
         autoCreateUser: settings?.oauth2?.autoCreateUser,
         blockRegistration: settings?.oauth2?.blockRegistration,
       };
+      return generic;
     }
 
     // Specific OAuth2 provider settings
@@ -386,32 +438,35 @@ export default function AdminConnectionsSection() {
   const linkedProviders = allProviders.filter((p) => isProviderConfigured(p));
   const availableProviders = allProviders.filter((p) => !isProviderConfigured(p));
 
-  const updateProviderSettings = (provider: Provider, updatedSettings: Record<string, any>) => {
+  const updateProviderSettings = (provider: Provider, updatedSettings: Record<string, unknown>) => {
     if (provider.id === 'smtp') {
-      setSettings({ ...settings, mail: updatedSettings });
+      setSettings({ ...settings, mail: updatedSettings as MailSettings });
     } else if (provider.id === 'telegram') {
-      setSettings({ ...settings, telegram: updatedSettings });
+      setSettings({ ...settings, telegram: updatedSettings as TelegramSettingsData });
     } else if (provider.id === 'googledrive') {
+      const gd = updatedSettings as GoogleDriveSettings;
       setSettings({
         ...settings,
-        googleDriveEnabled: updatedSettings.enabled,
+        googleDriveEnabled: gd.enabled,
-        googleDriveClientId: updatedSettings.clientId,
+        googleDriveClientId: gd.clientId,
-        googleDriveApiKey: updatedSettings.apiKey,
+        googleDriveApiKey: gd.apiKey,
-        googleDriveAppId: updatedSettings.appId,
+        googleDriveAppId: gd.appId,
       });
     } else if (provider.id === 'saml2') {
-      setSettings({ ...settings, saml2: updatedSettings });
+      setSettings({ ...settings, saml2: updatedSettings as Saml2Settings });
     } else if (provider.id === 'oauth2-generic') {
-      setSettings({ ...settings, oauth2: updatedSettings });
+      const generic = updatedSettings as OAuth2GenericSettings;
+      setSettings({ ...settings, oauth2: { ...settings.oauth2, ...generic } });
     } else {
       // Specific OAuth2 provider
+      const clientSettings = updatedSettings as OAuth2ClientSettings;
       setSettings({
         ...settings,
         oauth2: {
           ...settings.oauth2,
           client: {
             ...settings.oauth2?.client,
-            [provider.id]: updatedSettings
+            [provider.id]: clientSettings,
           }
         }
       });

frontend/src/proprietary/components/shared/config/configSections/AdminDatabaseSection.tsx

@@ -1,4 +1,5 @@
 import { useCallback, useEffect, useMemo, useState } from "react";
+import { isAxiosError } from "axios";
 import { useTranslation } from "react-i18next";
 import {
   NumberInput,
@@ -68,7 +69,7 @@ export default function AdminDatabaseSection() {
   const { settings, setSettings, loading, saving, fetchSettings, saveSettings, isFieldPending } =
     useAdminSettings<DatabaseSettingsData>({
       sectionName: "database",
-      fetchTransformer: async (): Promise<DatabaseSettingsData & { _pending?: Record<string, any> }> => {
+      fetchTransformer: async (): Promise<DatabaseSettingsData & { _pending?: Record<string, unknown> }> => {
         const response = await apiClient.get("/api/v1/admin/settings/section/system");
         const systemData = response.data || {};
 
@@ -85,7 +86,7 @@ export default function AdminDatabaseSection() {
         };
 
         // Map pending changes from system._pending.datasource to root level
-        const result: DatabaseSettingsData & { _pending?: Record<string, any> } = { ...datasource };
+        const result: DatabaseSettingsData & { _pending?: Record<string, unknown> } = { ...datasource };
         if (systemData._pending?.datasource) {
           result._pending = systemData._pending.datasource;
         }
@@ -94,7 +95,7 @@ export default function AdminDatabaseSection() {
       },
       saveTransformer: (settings: DatabaseSettingsData) => {
         // Convert flat settings to dot-notation for delta endpoint
-        const deltaSettings: Record<string, any> = {
+        const deltaSettings: Record<string, unknown> = {
           "system.datasource.enableCustomDatabase": settings.enableCustomDatabase,
           "system.datasource.customDatabaseUrl": settings.customDatabaseUrl,
           "system.datasource.username": settings.username,
@@ -141,8 +142,8 @@ export default function AdminDatabaseSection() {
       const data = await databaseManagementService.getDatabaseData();
       setBackupFiles(data.backupFiles || []);
       setDatabaseVersion(data.databaseVersion || null);
-    } catch (error: any) {
+    } catch (error: unknown) {
-      const message = error?.response?.data?.message || error?.message;
+      const message = isAxiosError(error) ? (error.response?.data?.message || error.message) : undefined;
       alert({
         alertType: "error",
         title: t("admin.settings.database.loadError", "Failed to load database backups"),
@@ -189,8 +190,8 @@ export default function AdminDatabaseSection() {
       await databaseManagementService.createBackup();
       alert({ alertType: "success", title: t("admin.settings.database.backupCreated", "Backup created successfully") });
       await loadBackupData();
-    } catch (error: any) {
+    } catch (error: unknown) {
-      const message = error?.response?.data?.message || error?.message;
+      const message = isAxiosError(error) ? (error.response?.data?.message || error.message) : undefined;
       alert({
         alertType: "error",
         title: t("admin.settings.database.backupFailed", "Failed to create backup"),
@@ -209,8 +210,8 @@ export default function AdminDatabaseSection() {
       alert({ alertType: "success", title: t("admin.settings.database.importSuccess", "Backup imported successfully") });
       setUploadFile(null);
       await loadBackupData();
-    } catch (error: any) {
+    } catch (error: unknown) {
-      const message = error?.response?.data?.message || error?.message;
+      const message = isAxiosError(error) ? (error.response?.data?.message || error.message) : undefined;
       alert({
         alertType: "error",
         title: t("admin.settings.database.importFailed", "Failed to import backup"),
@@ -270,8 +271,8 @@ export default function AdminDatabaseSection() {
       await databaseManagementService.importFromFileName(fileName);
       alert({ alertType: "success", title: t("admin.settings.database.importSuccess", "Backup imported successfully") });
       await loadBackupData();
-    } catch (error: any) {
+    } catch (error: unknown) {
-      const message = error?.response?.data?.message || error?.message;
+      const message = isAxiosError(error) ? (error.response?.data?.message || error.message) : undefined;
       alert({
         alertType: "error",
         title: t("admin.settings.database.importFailed", "Failed to import backup"),
@@ -289,8 +290,8 @@ export default function AdminDatabaseSection() {
       await databaseManagementService.deleteBackup(fileName);
       alert({ alertType: "success", title: t("admin.settings.database.deleteSuccess", "Backup deleted") });
       await loadBackupData();
-    } catch (error: any) {
+    } catch (error: unknown) {
-      const message = error?.response?.data?.message || error?.message;
+      const message = isAxiosError(error) ? (error.response?.data?.message || error.message) : undefined;
       alert({
         alertType: "error",
         title: t("admin.settings.database.deleteFailed", "Failed to delete backup"),
@@ -320,8 +321,8 @@ export default function AdminDatabaseSection() {
       link.download = fileName;
       document.body.appendChild(link);
       link.click();
-    } catch (error: any) {
+    } catch (error: unknown) {
-      const message = error?.response?.data?.message || error?.message;
+      const message = isAxiosError(error) ? (error.response?.data?.message || error.message) : undefined;
       alert({
         alertType: "error",
         title: t("admin.settings.database.downloadFailed", "Failed to download backup"),

frontend/src/proprietary/components/shared/config/configSections/AdminFeaturesSection.tsx

@@ -38,11 +38,11 @@ export default function AdminFeaturesSection() {
     isFieldPending,
   } = useAdminSettings<FeaturesSettingsData>({
     sectionName: 'features',
-    fetchTransformer: async (): Promise<FeaturesSettingsData & { _pending?: Record<string, any> }> => {
+    fetchTransformer: async (): Promise<FeaturesSettingsData & { _pending?: Record<string, unknown> }> => {
       const systemResponse = await apiClient.get('/api/v1/admin/settings/section/system');
       const systemData = systemResponse.data || {};
 
-      const result: FeaturesSettingsData & { _pending?: Record<string, any> } = {
+      const result: FeaturesSettingsData & { _pending?: Record<string, unknown> } = {
         serverCertificate: systemData.serverCertificate || {
           enabled: true,
           organizationName: 'Stirling-PDF',
@@ -59,7 +59,7 @@ export default function AdminFeaturesSection() {
       return result;
     },
     saveTransformer: (settings: FeaturesSettingsData) => {
-      const deltaSettings: Record<string, any> = {};
+      const deltaSettings: Record<string, unknown> = {};
 
       if (settings.serverCertificate) {
         deltaSettings['system.serverCertificate.enabled'] = settings.serverCertificate.enabled;

frontend/src/proprietary/components/shared/config/configSections/AdminGeneralSection.tsx

@@ -91,7 +91,7 @@ export default function AdminGeneralSection() {
     isFieldPending,
   } = useAdminSettings<GeneralSettingsData>({
     sectionName: 'general',
-    fetchTransformer: async (): Promise<GeneralSettingsData & { _pending?: Record<string, any> }> => {
+    fetchTransformer: async (): Promise<GeneralSettingsData & { _pending?: Record<string, unknown> }> => {
       const [uiResponse, systemResponse, premiumResponse] = await Promise.all([
         apiClient.get('/api/v1/admin/settings/section/ui'),
         apiClient.get('/api/v1/admin/settings/section/system'),
@@ -113,7 +113,7 @@ export default function AdminGeneralSection() {
           ? watchedFoldersDirs
           : (pipelinePaths.watchedFoldersDir ? [pipelinePaths.watchedFoldersDir] : []);
 
-      const result: GeneralSettingsData & { _pending?: Record<string, any> } = {
+      const result: GeneralSettingsData & { _pending?: Record<string, unknown> } = {
         ui,
         system,
         customPaths: {
@@ -140,7 +140,7 @@ export default function AdminGeneralSection() {
       };
 
       // Merge pending blocks from all three endpoints
-      const pendingBlock: Record<string, any> = {};
+      const pendingBlock: Record<string, unknown> = {};
       if (ui._pending) {
         pendingBlock.ui = ui._pending;
       }
@@ -161,7 +161,7 @@ export default function AdminGeneralSection() {
       return result;
     },
     saveTransformer: (settings: GeneralSettingsData) => {
-      const deltaSettings: Record<string, any> = {
+      const deltaSettings: Record<string, unknown> = {
         // UI settings
         'ui.appNameNavbar': settings.ui?.appNameNavbar,
         'ui.languages': settings.ui?.languages,

frontend/src/proprietary/components/shared/config/configSections/AdminPlanSection.tsx

@@ -72,12 +72,12 @@ const AdminPlanSection: React.FC = () => {
 
       // Open billing portal in new tab
       window.open(response.url, '_blank');
-    } catch (error: any) {
+    } catch (error: unknown) {
       console.error('Failed to open billing portal:', error);
       alert({
         alertType: 'error',
         title: t('billing.portal.error', 'Failed to open billing portal'),
-        body: error.message || 'Please try again or contact support.',
+        body: (error instanceof Error ? error.message : undefined) || 'Please try again or contact support.',
       });
     }
   }, [licenseInfo, t, validateLoginEnabled]);

frontend/src/proprietary/components/shared/config/configSections/AdminPrivacySection.tsx

@@ -33,7 +33,7 @@ export default function AdminPrivacySection() {
     isFieldPending,
   } = useAdminSettings<PrivacySettingsData>({
     sectionName: 'privacy',
-    fetchTransformer: async (): Promise<PrivacySettingsData & { _pending?: Record<string, any> }> => {
+    fetchTransformer: async (): Promise<PrivacySettingsData & { _pending?: Record<string, unknown> }> => {
       const [metricsResponse, systemResponse] = await Promise.all([
         apiClient.get('/api/v1/admin/settings/section/metrics'),
         apiClient.get('/api/v1/admin/settings/section/system')
@@ -42,14 +42,14 @@ export default function AdminPrivacySection() {
       const metrics = metricsResponse.data;
       const system = systemResponse.data;
 
-      const result: PrivacySettingsData & { _pending?: Record<string, any> } = {
+      const result: PrivacySettingsData & { _pending?: Record<string, unknown> } = {
         enableAnalytics: system.enableAnalytics || false,
         googleVisibility: system.googlevisibility || false,
         metricsEnabled: metrics.enabled || false
       };
 
       // Merge pending blocks from both endpoints
-      const pendingBlock: Record<string, any> = {};
+      const pendingBlock: Record<string, unknown> = {};
       if (system._pending?.enableAnalytics !== undefined) {
         pendingBlock.enableAnalytics = system._pending.enableAnalytics;
       }

frontend/src/proprietary/components/shared/config/configSections/AdminSecuritySection.tsx

@@ -67,7 +67,7 @@ export default function AdminSecuritySection() {
     isFieldPending,
   } = useAdminSettings<SecuritySettingsData>({
     sectionName: 'security',
-    fetchTransformer: async (): Promise<SecuritySettingsData & { _pending?: Record<string, any> }> => {
+    fetchTransformer: async (): Promise<SecuritySettingsData & { _pending?: Record<string, unknown> }> => {
       const [securityResponse, premiumResponse, systemResponse] = await Promise.all([
         apiClient.get('/api/v1/admin/settings/section/security'),
         apiClient.get('/api/v1/admin/settings/section/premium'),
@@ -93,7 +93,7 @@ export default function AdminSecuritySection() {
         systemPending: JSON.parse(JSON.stringify(systemPending || {}))
       });
 
-      const combined: SecuritySettingsData & { _pending?: Record<string, any> } = {
+      const combined: SecuritySettingsData & { _pending?: Record<string, unknown> } = {
         ...securityActive
       };
 
@@ -108,7 +108,7 @@ export default function AdminSecuritySection() {
       }
 
       // Merge all _pending blocks
-      const mergedPending: Record<string, any> = {};
+      const mergedPending: Record<string, unknown> = {};
       if (securityPending) {
         Object.assign(mergedPending, securityPending);
       }
@@ -128,7 +128,7 @@ export default function AdminSecuritySection() {
     saveTransformer: (settings: SecuritySettingsData) => {
       const { audit, html, ...securitySettings } = settings;
 
-      const deltaSettings: Record<string, any> = {
+      const deltaSettings: Record<string, unknown> = {
         // Security settings
         'security.enableLogin': securitySettings.enableLogin,
         'security.loginMethod': securitySettings.loginMethod,

frontend/src/proprietary/components/shared/config/configSections/AdminUsageSection.tsx

@@ -155,10 +155,10 @@ const AdminUsageSection: React.FC = () => {
 
   const displayedVisits = endpoints.reduce((sum, e) => sum + e.visits, 0);
   const totalVisits = Number.isFinite(data?.totalVisits)
-    ? Math.max(0, data?.totalVisits as number)
+    ? Math.max(0, data?.totalVisits ?? 0)
     : displayedVisits;
   const totalEndpoints = Number.isFinite(data?.totalEndpoints)
-    ? Math.max(0, data?.totalEndpoints as number)
+    ? Math.max(0, data?.totalEndpoints ?? 0)
     : endpoints.length;
 
   const displayedPercentage = totalVisits > 0

frontend/src/proprietary/components/shared/config/configSections/PeopleSection.tsx

@@ -1,4 +1,5 @@
 import { useState, useEffect } from 'react';
+import { isAxiosError } from 'axios';
 import { useTranslation } from 'react-i18next';
 import {
   Stack,
@@ -17,6 +18,7 @@ import {
   CloseButton,
   Avatar,
   Box,
+  type ComboboxItem,
 } from '@mantine/core';
 import LocalIcon from '@app/components/shared/LocalIcon';
 import { alert } from '@app/components/toast';
@@ -114,7 +116,7 @@ export default function PeopleSection() {
           ...user,
           isActive: adminData.userSessions[user.username] || false,
           lastRequest: adminData.userLastRequest[user.username] || undefined,
-          mfaEnabled: adminData.userSettings?.[user.username]?.mfaEnabled === 'true',
+          mfaEnabled: (adminData.userSettings?.[user.username] as Record<string, unknown> | undefined)?.mfaEnabled === 'true',
         }));
 
         setUsers(enrichedUsers);
@@ -225,12 +227,11 @@ export default function PeopleSection() {
       alert({ alertType: 'success', title: t('workspace.people.editMember.success') });
       closeEditModal();
       fetchData();
-    } catch (error: any) {
+    } catch (error: unknown) {
       console.error('[PeopleSection] Failed to update user:', error);
-      const errorMessage = error.response?.data?.message ||
+      const errorMessage = isAxiosError(error)
-                          error.response?.data?.error ||
+        ? (error.response?.data?.message || error.response?.data?.error || error.message)
-                          error.message ||
+        : (error instanceof Error ? error.message : undefined) || t('workspace.people.editMember.error');
-                          t('workspace.people.editMember.error');
       alert({ alertType: 'error', title: errorMessage });
     } finally {
       setProcessing(false);
@@ -242,12 +243,11 @@ export default function PeopleSection() {
       await userManagementService.toggleUserEnabled(user.username, !user.enabled);
       alert({ alertType: 'success', title: t('workspace.people.toggleEnabled.success') });
       fetchData();
-    } catch (error: any) {
+    } catch (error: unknown) {
       console.error('[PeopleSection] Failed to toggle user status:', error);
-      const errorMessage = error.response?.data?.message ||
+      const errorMessage = isAxiosError(error)
-                          error.response?.data?.error ||
+        ? (error.response?.data?.message || error.response?.data?.error || error.message)
-                          error.message ||
+        : (error instanceof Error ? error.message : undefined) || t('workspace.people.toggleEnabled.error');
-                          t('workspace.people.toggleEnabled.error');
       alert({ alertType: 'error', title: errorMessage });
     }
   };
@@ -262,12 +262,12 @@ export default function PeopleSection() {
       await userManagementService.deleteUser(user.username);
       alert({ alertType: 'success', title: t('workspace.people.deleteUserSuccess', 'User deleted successfully') });
       fetchData();
-    } catch (error: any) {
+    } catch (error: unknown) {
       console.error('[PeopleSection] Failed to delete user:', error);
-      const errorMessage = error.response?.data?.message ||
+      const errorMessage = isAxiosError(error)
-                          error.response?.data?.error ||
+        ? (error.response?.data?.message || error.response?.data?.error || error.message)
-                          error.message ||
+        : (error instanceof Error ? error.message : undefined) ||
-                          t('workspace.people.deleteUserError', 'Failed to delete user');
+        t('workspace.people.deleteUserError', 'Failed to delete user');
       alert({ alertType: 'error', title: errorMessage });
     }
   };
@@ -282,12 +282,11 @@ export default function PeopleSection() {
       await userManagementService.unlockUser(user.username);
       alert({ alertType: 'success', title: t('workspace.people.unlockUserSuccess', 'User account unlocked successfully') });
       fetchData();
-    } catch (error: any) {
+    } catch (error: unknown) {
       console.error('[PeopleSection] Failed to unlock user:', error);
-      const errorMessage = error.response?.data?.message ||
+      const errorMessage = isAxiosError(error)
-                          error.response?.data?.error ||
+        ? (error.response?.data?.message || error.response?.data?.error || error.message)
-                          error.message ||
+        : (error instanceof Error ? error.message : undefined) || t('workspace.people.unlockUserError', 'Failed to unlock user account');
-                          t('workspace.people.unlockUserError', 'Failed to unlock user account');
       alert({ alertType: 'error', title: errorMessage });
     }
   };
@@ -339,9 +338,9 @@ export default function PeopleSection() {
     },
   ];
 
-  const renderRoleOption = ({ option }: { option: any }) => (
+  const renderRoleOption = ({ option }: { option: ComboboxItem & { icon?: string; description?: string } }) => (
     <Group gap="sm" wrap="nowrap">
-      <LocalIcon icon={option.icon} width="1.25rem" height="1.25rem" style={{ flexShrink: 0 }} />
+      <LocalIcon icon={option.icon ?? ''} width="1.25rem" height="1.25rem" style={{ flexShrink: 0 }} />
       <Box style={{ flex: 1 }}>
         <Text size="sm" fw={500}>{option.label}</Text>
         <Text size="xs" c="dimmed" style={{ whiteSpace: 'normal', lineHeight: 1.4 }}>
@@ -668,12 +667,12 @@ export default function PeopleSection() {
                                   try {
                                     await userManagementService.disableMfaByAdmin(user.username);
                                     alert({ alertType: 'success', title: t('workspace.people.mfa.adminDisableSuccess', 'MFA disabled successfully for user') });
-                                  } catch (error: any) {
+                                  } catch (error: unknown) {
                                     console.error('[PeopleSection] Failed to disable MFA for user:', error);
-                                    const errorMessage = error.response?.data?.message ||
+                                    const errorMessage = isAxiosError(error)
-                                                        error.response?.data?.error ||
+                                      ? (error.response?.data?.message || error.response?.data?.error || error.message)
-                                                        error.message ||
+                                      : (error instanceof Error ? error.message : undefined) ||
-                                                        t('workspace.people.mfa.adminDisableError', 'Failed to disable MFA for user');
+                                      t('workspace.people.mfa.adminDisableError', 'Failed to disable MFA for user');
                                     alert({ alertType: 'error', title: errorMessage });
                                   }
                                 }}

frontend/src/proprietary/components/shared/config/configSections/TeamDetailsSection.tsx

@@ -1,4 +1,5 @@
 import { useState, useEffect } from 'react';
+import { isAxiosError } from 'axios';
 import { useTranslation } from 'react-i18next';
 import {
   Stack,
@@ -110,12 +111,11 @@ export default function TeamDetailsSection({ teamId, onBack }: TeamDetailsSectio
       setAddMemberModalOpened(false);
       setSelectedUserId('');
       fetchTeamDetails();
-    } catch (error: any) {
+    } catch (error: unknown) {
       console.error('Failed to add member:', error);
-      const errorMessage = error.response?.data?.message ||
+      const errorMessage = isAxiosError(error)
-                          error.response?.data?.error ||
+        ? (error.response?.data?.message || error.response?.data?.error || error.message)
-                          error.message ||
+        : (error instanceof Error ? error.message : undefined) || t('workspace.teams.addMemberToTeam.error', 'Failed to add user to team');
-                          t('workspace.teams.addMemberToTeam.error', 'Failed to add user to team');
       alert({ alertType: 'error', title: errorMessage });
     } finally {
       setProcessing(false);
@@ -140,12 +140,11 @@ export default function TeamDetailsSection({ teamId, onBack }: TeamDetailsSectio
       await teamService.moveUserToTeam(user.username, user.rolesAsString || 'ROLE_USER', defaultTeam.id);
       alert({ alertType: 'success', title: t('workspace.teams.removeMemberSuccess', 'User removed from team') });
       fetchTeamDetails();
-    } catch (error: any) {
+    } catch (error: unknown) {
       console.error('Failed to remove member:', error);
-      const errorMessage = error.response?.data?.message ||
+      const errorMessage = isAxiosError(error)
-                          error.response?.data?.error ||
+        ? (error.response?.data?.message || error.response?.data?.error || error.message)
-                          error.message ||
+        : (error instanceof Error ? error.message : undefined) || t('workspace.teams.removeMemberError', 'Failed to remove user from team');
-                          t('workspace.teams.removeMemberError', 'Failed to remove user from team');
       alert({ alertType: 'error', title: errorMessage });
     } finally {
       setProcessing(false);
@@ -163,12 +162,12 @@ export default function TeamDetailsSection({ teamId, onBack }: TeamDetailsSectio
       await userManagementService.deleteUser(user.username);
       alert({ alertType: 'success', title: t('workspace.people.deleteUserSuccess', 'User deleted successfully') });
       fetchTeamDetails();
-    } catch (error: any) {
+    } catch (error: unknown) {
       console.error('Failed to delete user:', error);
-      const errorMessage = error.response?.data?.message ||
+      const errorMessage = isAxiosError(error)
-                          error.response?.data?.error ||
+        ? (error.response?.data?.message || error.response?.data?.error || error.message)
-                          error.message ||
+        : (error instanceof Error ? error.message : undefined) ||
-                          t('workspace.people.deleteUserError', 'Failed to delete user');
+        t('workspace.people.deleteUserError', 'Failed to delete user');
       alert({ alertType: 'error', title: errorMessage });
     } finally {
       setProcessing(false);
@@ -185,12 +184,11 @@ export default function TeamDetailsSection({ teamId, onBack }: TeamDetailsSectio
       await userManagementService.unlockUser(user.username);
       alert({ alertType: 'success', title: t('workspace.people.unlockUserSuccess', 'User account unlocked successfully') });
       fetchTeamDetails();
-    } catch (error: any) {
+    } catch (error: unknown) {
       console.error('[TeamDetailsSection] Failed to unlock user:', error);
-      const errorMessage = error.response?.data?.message ||
+      const errorMessage = isAxiosError(error)
-                          error.response?.data?.error ||
+        ? (error.response?.data?.message || error.response?.data?.error || error.message)
-                          error.message ||
+        : (error instanceof Error ? error.message : undefined) || t('workspace.people.unlockUserError', 'Failed to unlock user account');
-                          t('workspace.people.unlockUserError', 'Failed to unlock user account');
       alert({ alertType: 'error', title: errorMessage });
     }
   };
@@ -225,12 +223,12 @@ export default function TeamDetailsSection({ teamId, onBack }: TeamDetailsSectio
       setSelectedUser(null);
       setSelectedTeamId('');
       fetchTeamDetails();
-    } catch (error: any) {
+    } catch (error: unknown) {
       console.error('Failed to change team:', error);
-      const errorMessage = error.response?.data?.message ||
+      const errorMessage = isAxiosError(error)
-                          error.response?.data?.error ||
+        ? (error.response?.data?.message || error.response?.data?.error || error.message)
-                          error.message ||
+        : (error instanceof Error ? error.message : undefined) ||
-                          t('workspace.teams.changeTeam.error', 'Failed to change team');
+        t('workspace.teams.changeTeam.error', 'Failed to change team');
       alert({ alertType: 'error', title: errorMessage });
     } finally {
       setProcessing(false);

frontend/src/proprietary/components/shared/config/configSections/TeamsSection.tsx

@@ -1,4 +1,5 @@
 import { useState, useEffect } from 'react';
+import { isAxiosError } from 'axios';
 import { useTranslation } from 'react-i18next';
 import {
   Stack,
@@ -83,12 +84,11 @@ export default function TeamsSection() {
       setNewTeamName('');
       setCreateModalOpened(false);
       await fetchTeams();
-    } catch (error: any) {
+    } catch (error: unknown) {
       console.error('Failed to create team:', error);
-      const errorMessage = error.response?.data?.message ||
+      const errorMessage = isAxiosError(error)
-                          error.response?.data?.error ||
+        ? (error.response?.data?.message || error.response?.data?.error || error.message)
-                          error.message ||
+        : (error instanceof Error ? error.message : undefined) || t('workspace.teams.createTeam.error');
-                          t('workspace.teams.createTeam.error');
       alert({ alertType: 'error', title: errorMessage });
     } finally {
       setProcessing(false);
@@ -109,12 +109,11 @@ export default function TeamsSection() {
       setSelectedTeam(null);
       setRenameModalOpened(false);
       await fetchTeams();
-    } catch (error: any) {
+    } catch (error: unknown) {
       console.error('Failed to rename team:', error);
-      const errorMessage = error.response?.data?.message ||
+      const errorMessage = isAxiosError(error)
-                          error.response?.data?.error ||
+        ? (error.response?.data?.message || error.response?.data?.error || error.message)
-                          error.message ||
+        : (error instanceof Error ? error.message : undefined) || t('workspace.teams.renameTeam.error');
-                          t('workspace.teams.renameTeam.error');
       alert({ alertType: 'error', title: errorMessage });
     } finally {
       setProcessing(false);
@@ -135,12 +134,12 @@ export default function TeamsSection() {
       await teamService.deleteTeam(team.id);
       alert({ alertType: 'success', title: t('workspace.teams.deleteTeam.success') });
       await fetchTeams();
-    } catch (error: any) {
+    } catch (error: unknown) {
       console.error('Failed to delete team:', error);
-      const errorMessage = error.response?.data?.message ||
+      const errorMessage = isAxiosError(error)
-                          error.response?.data?.error ||
+        ? (error.response?.data?.message || error.response?.data?.error || error.message)
-                          error.message ||
+        : (error instanceof Error ? error.message : undefined) ||
-                          t('workspace.teams.deleteTeam.error');
+        t('workspace.teams.deleteTeam.error');
       alert({ alertType: 'error', title: errorMessage });
     }
   };

frontend/src/proprietary/components/shared/config/configSections/audit/AuditEventsTable.tsx

@@ -15,7 +15,7 @@ import {
   UnstyledButton,
 } from '@mantine/core';
 import { useTranslation } from 'react-i18next';
-import auditService, { AuditEvent } from '@app/services/auditService';
+import auditService, { AuditEvent, AuditFilters } from '@app/services/auditService';
 import { Z_INDEX_OVER_CONFIG_MODAL } from '@app/styles/zIndex';
 import { useAuditFilters } from '@app/hooks/useAuditFilters';
 import AuditFiltersForm from '@app/components/shared/config/configSections/audit/AuditFiltersForm';
@@ -122,7 +122,7 @@ const AuditEventsTable: React.FC<AuditEventsTableProps> = ({
   }, [filters, currentPage, loginEnabled]);
 
   // Wrap filter handlers to reset pagination
-  const handleFilterChangeWithReset = (key: keyof typeof filters, value: any) => {
+  const handleFilterChangeWithReset = (key: keyof AuditFilters, value: AuditFilters[keyof AuditFilters]) => {
     handleFilterChange(key, value);
     setCurrentPage(1);
   };
@@ -170,8 +170,8 @@ const AuditEventsTable: React.FC<AuditEventsTableProps> = ({
 
   // Apply sorting to current events
   const sortedEvents = [...events].sort((a, b) => {
-    let aVal: any;
+    let aVal: string | number | undefined;
-    let bVal: any;
+    let bVal: string | number | undefined;
 
     switch (sortKey) {
       case 'timestamp':
@@ -296,14 +296,14 @@ const AuditEventsTable: React.FC<AuditEventsTableProps> = ({
                     let author = '';
                     let fileHash = '';
                     if (event.details && typeof event.details === 'object') {
-                      const details = event.details as Record<string, any>;
+                      const details = event.details as Record<string, unknown>;
                       const files = details.files;
                       if (Array.isArray(files) && files.length > 0) {
-                        const firstFile = files[0] as Record<string, any>;
+                        const firstFile = files[0] as Record<string, unknown>;
-                        documentName = firstFile.name || '';
+                        documentName = typeof firstFile.name === 'string' ? firstFile.name : '';
                         if (showAuthor || showFileHash) {
-                          author = firstFile.pdfAuthor || '';
+                          author = typeof firstFile.pdfAuthor === 'string' ? firstFile.pdfAuthor : '';
-                          fileHash = firstFile.fileHash ? firstFile.fileHash.substring(0, 16) + '...' : '';
+                          fileHash = typeof firstFile.fileHash === 'string' ? firstFile.fileHash.substring(0, 16) + '...' : '';
                         }
                       }
                     }

frontend/src/proprietary/components/shared/config/configSections/audit/AuditExportSection.tsx

@@ -51,7 +51,7 @@ const AuditExportSection: React.FC<AuditExportSectionProps> = ({
     try {
       setExporting(true);
 
-      const fieldsParam = Object.keys(selectedFields).filter(k => selectedFields[k as keyof typeof selectedFields]).join(',');
+      const fieldsParam = Object.keys(selectedFields).filter(k => selectedFields[k]).join(',');
 
       const blob = await auditService.exportData(exportFormat, { ...filters, fields: fieldsParam });
 

frontend/src/proprietary/components/shared/config/configSections/audit/AuditFiltersForm.tsx

@@ -43,7 +43,7 @@ interface AuditFiltersFormProps {
   filters: AuditFilters;
   eventTypes: string[];
   users: string[];
-  onFilterChange: (key: keyof AuditFilters, value: any) => void;
+  onFilterChange: (key: keyof AuditFilters, value: AuditFilters[keyof AuditFilters]) => void;
   onClearFilters: () => void;
   disabled?: boolean;
 }
@@ -147,8 +147,8 @@ const AuditFiltersForm: React.FC<AuditFiltersFormProps> = ({
         <DateInput
           placeholder={t('audit.events.startDate', 'Start date')}
           value={filters.startDate ? new Date(filters.startDate) : null}
-          onChange={(value: any) => {
+          onChange={(value) => {
-            onFilterChange('startDate', value ? formatDateToYMD(value as Date) : undefined);
+            onFilterChange('startDate', value ? formatDateToYMD(new Date(value)) : undefined);
           }}
           clearable
           disabled={disabled}
@@ -157,8 +157,8 @@ const AuditFiltersForm: React.FC<AuditFiltersFormProps> = ({
         <DateInput
           placeholder={t('audit.events.endDate', 'End date')}
           value={filters.endDate ? new Date(filters.endDate) : null}
-          onChange={(value: any) => {
+          onChange={(value) => {
-            onFilterChange('endDate', value ? formatDateToYMD(value as Date) : undefined);
+            onFilterChange('endDate', value ? formatDateToYMD(new Date(value)) : undefined);
           }}
           clearable
           disabled={disabled}

frontend/src/proprietary/components/shared/stripeCheckout/hooks/useLicensePolling.ts

@@ -14,7 +14,7 @@ export const useLicensePolling = (
   const pollForLicenseKey = useCallback(async (installId: string) => {
     // Use shared polling utility
     const result = await pollLicenseKeyWithBackoff(installId, {
-      isMounted: () => isMountedRef.current!,
+      isMounted: () => isMountedRef.current ?? false,
       onStatusChange: setPollingStatus,
     });
 
@@ -23,7 +23,7 @@ export const useLicensePolling = (
 
       // Activate the license key
       const activation = await activateLicenseKey(result.licenseKey, {
-        isMounted: () => isMountedRef.current!,
+        isMounted: () => isMountedRef.current ?? false,
         onActivated: onLicenseActivated,
       });
 

frontend/src/proprietary/components/workflow/ParticipantView.tsx

@@ -112,8 +112,8 @@ const ParticipantView: React.FC<ParticipantViewProps> = ({ token }) => {
         showLogo: true,
       });
       setNotification({ type: 'success', message: 'Signature submitted successfully!' });
-    } catch (err: any) {
+    } catch (err: unknown) {
-      setNotification({ type: 'error', message: `Failed to submit signature: ${err.message}` });
+      setNotification({ type: 'error', message: `Failed to submit signature: ${err instanceof Error ? err.message : String(err)}` });
     } finally {
       setIsSubmitting(false);
     }
@@ -125,8 +125,8 @@ const ParticipantView: React.FC<ParticipantViewProps> = ({ token }) => {
       try {
         await decline(token, declineReason || 'Declined by participant');
         setNotification({ type: 'success', message: 'You have declined this signing request.' });
-      } catch (err: any) {
+      } catch (err: unknown) {
-        setNotification({ type: 'error', message: `Failed to decline: ${err.message}` });
+        setNotification({ type: 'error', message: `Failed to decline: ${err instanceof Error ? err.message : String(err)}` });
       }
     }
   };

frontend/src/proprietary/contexts/ServerExperienceContext.tsx

@@ -8,6 +8,7 @@ import {
   type ReactNode,
 } from 'react';
 import apiClient from '@app/services/apiClient';
+import { isAxiosError } from 'axios';
 import { useAppConfig } from '@app/contexts/AppConfigContext';
 import { useAuth } from '@app/auth/UseSession';
 import { useLicense } from '@app/contexts/LicenseContext';
@@ -95,13 +96,8 @@ function getErrorMessage(error: unknown): string {
   if (typeof error === 'string') {
     return error;
   }
-  if (
+  if (isAxiosError(error) && typeof error.response?.data?.message === 'string') {
-    typeof error === 'object' &&
+    return error.response.data.message;
-    error !== null &&
-    'response' in error &&
-    typeof (error as any).response?.data?.message === 'string'
-  ) {
-    return (error as any).response.data.message;
   }
   if (error instanceof Error) {
     return error.message;
@@ -196,7 +192,7 @@ export function ServerExperienceProvider({ children }: { children: ReactNode })
           (
             await apiClient.get<{ totalUsers?: number }>(
               '/api/v1/proprietary/ui-data/admin-settings',
-              { suppressErrorToast: true } as any,
+              { suppressErrorToast: true },
             )
           ).data;
         const totalUsers =
@@ -219,7 +215,7 @@ export function ServerExperienceProvider({ children }: { children: ReactNode })
           (
             await apiClient.get<WeeklyActiveUsersResponse>('/api/v1/info/wau', {
               suppressErrorToast: true,
-            } as any)
+            })
           ).data;
         const weeklyActiveUsers =
           typeof responseData?.weeklyActiveUsers === 'number'

frontend/src/proprietary/hooks/workflow/useParticipantSession.ts

@@ -1,4 +1,5 @@
 import { useState, useCallback, useEffect } from 'react';
+import { isAxiosError } from 'axios';
 import workflowService, {
   WorkflowSessionResponse,
   ParticipantResponse,
@@ -35,9 +36,10 @@ export const useParticipantSession = (token?: string): UseParticipantSessionResu
       ]);
       setSession(sessionData);
       setParticipant(participantData);
-    } catch (err: any) {
+    } catch (err: unknown) {
-      const errorMsg =
+      const errorMsg = isAxiosError(err)
-        err.response?.data?.message || err.message || 'Failed to load session';
+        ? (err.response?.data?.message || err.message)
+        : (err instanceof Error ? err.message : undefined) || 'Failed to load session';
       setError(errorMsg);
     } finally {
       setLoading(false);
@@ -55,9 +57,10 @@ export const useParticipantSession = (token?: string): UseParticipantSessionResu
         if (request.participantToken) {
           await loadSession(request.participantToken);
         }
-      } catch (err: any) {
+      } catch (err: unknown) {
-        const errorMsg =
+        const errorMsg = isAxiosError(err)
-          err.response?.data?.message || err.message || 'Failed to submit signature';
+          ? (err.response?.data?.message || err.message)
+          : (err instanceof Error ? err.message : undefined) || 'Failed to submit signature';
         setError(errorMsg);
         throw new Error(errorMsg, { cause: err });
       } finally {
@@ -79,9 +82,10 @@ export const useParticipantSession = (token?: string): UseParticipantSessionResu
         setParticipant(updatedParticipant);
         // Reload session
         await loadSession(token);
-      } catch (err: any) {
+      } catch (err: unknown) {
-        const errorMsg =
+        const errorMsg = isAxiosError(err)
-          err.response?.data?.message || err.message || 'Failed to decline';
+          ? (err.response?.data?.message || err.message)
+          : (err instanceof Error ? err.message : undefined) || 'Failed to decline';
         setError(errorMsg);
         throw new Error(errorMsg, { cause: err });
       } finally {
@@ -104,9 +108,10 @@ export const useParticipantSession = (token?: string): UseParticipantSessionResu
       a.click();
       window.URL.revokeObjectURL(url);
       document.body.removeChild(a);
-    } catch (err: any) {
+    } catch (err: unknown) {
-      const errorMsg =
+      const errorMsg = isAxiosError(err)
-        err.response?.data?.message || err.message || 'Failed to download document';
+        ? (err.response?.data?.message || err.message)
+        : (err instanceof Error ? err.message : undefined) || 'Failed to download document';
       setError(errorMsg);
     } finally {
       setLoading(false);

frontend/src/proprietary/routes/InviteAccept.tsx

@@ -1,4 +1,5 @@
 import { useState, useEffect } from 'react';
+import { isAxiosError } from 'axios';
 import { useParams, useNavigate } from 'react-router-dom';
 import { useTranslation } from 'react-i18next';
 import { Stack, Text, Paper, Center, Loader, TextInput, PasswordInput, Anchor } from '@mantine/core';
@@ -56,14 +57,14 @@ export default function InviteAccept() {
       setLoading(true);
       const response = await apiClient.get<InviteData>(`/api/v1/invite/validate/${token}`, {
         suppressErrorToast: true,
-      } as any);
+      });
       setInviteData(response.data);
       setError(null);
-    } catch (err: any) {
+    } catch (err: unknown) {
-      const errorMessage =
+      const errorMessage = isAxiosError(err)
-        err.response?.data?.error ||
+        ? (err.response?.data?.error || err.message)
-        err.message ||
+        : (err instanceof Error ? err.message : undefined) ||
-        t('invite.validationError', 'Failed to validate invitation link');
+          t('invite.validationError', 'Failed to validate invitation link');
       setError(errorMessage);
     } finally {
       setLoading(false);
@@ -108,15 +109,15 @@ export default function InviteAccept() {
 
       await apiClient.post(`/api/v1/invite/accept/${token}`, formData, {
         suppressErrorToast: true,
-      } as any);
+      });
 
       // Success - redirect to login
       navigate('/login?messageType=accountCreated');
-    } catch (err: any) {
+    } catch (err: unknown) {
-      const errorMessage =
+      const errorMessage = isAxiosError(err)
-        err.response?.data?.error ||
+        ? (err.response?.data?.error || err.message)
-        err.message ||
+        : (err instanceof Error ? err.message : undefined) ||
-        t('invite.acceptError', 'Failed to create account');
+          t('invite.acceptError', 'Failed to create account');
       setError(errorMessage);
     } finally {
       setSubmitting(false);

frontend/src/proprietary/routes/ShareLinkLoader.tsx

@@ -1,4 +1,5 @@
 import { useEffect, useMemo, useRef } from 'react';
+import { isAxiosError } from 'axios';
 import { useNavigate } from 'react-router-dom';
 import { useTranslation } from 'react-i18next';
 import apiClient from '@app/services/apiClient';
@@ -99,7 +100,7 @@ export default function ShareLinkLoader({ token }: ShareLinkLoaderProps) {
 
             const idMap = new Map<string, FileId>();
             for (let i = 0; i < stirlingFiles.length; i += 1) {
-              idMap.set(sortedEntries[i].logicalId, stirlingFiles[i].fileId as FileId);
+              idMap.set(sortedEntries[i].logicalId, stirlingFiles[i].fileId);
             }
 
             const rootIdMap = new Map<string, FileId>();
@@ -199,9 +200,9 @@ export default function ShareLinkLoader({ token }: ShareLinkLoaderProps) {
 
         navActions.setWorkbench('viewer');
         navigate('/', { replace: true });
-      } catch (error: any) {
+      } catch (error: unknown) {
         if (signal.aborted) return;
-        const status = error?.response?.status;
+        const status = isAxiosError(error) ? error.response?.status : undefined;
         if (status === 401 || status === 403) {
           if (!isAuthenticated && !authLoading) {
             alert({

frontend/src/proprietary/routes/ShareLinkPage.tsx

@@ -1,4 +1,5 @@
 import { useCallback, useEffect, useMemo, useState } from 'react';
+import { isAxiosError } from 'axios';
 import { useNavigate, useParams } from 'react-router-dom';
 import { Alert, Badge, Button, Group, Loader, Paper, Stack, Text, Title } from '@mantine/core';
 import { useTranslation } from 'react-i18next';
@@ -45,8 +46,8 @@ export default function ShareLinkPage() {
       const data = await fetchShareLinkMetadata(normalizedToken);
       setMetadata(data);
       setStatus('ready');
-    } catch (error: any) {
+    } catch (error: unknown) {
-      const statusCode = error?.response?.status as number | undefined;
+      const statusCode = isAxiosError(error) ? error.response?.status : undefined;
       if (statusCode === 401) {
         setStatus('login');
       } else if (statusCode === 403) {
@@ -83,8 +84,8 @@ export default function ShareLinkPage() {
       link.click();
       link.remove();
       URL.revokeObjectURL(url);
-    } catch (error: any) {
+    } catch (error: unknown) {
-      const statusCode = error?.response?.status as number | undefined;
+      const statusCode = isAxiosError(error) ? error.response?.status : undefined;
       if (statusCode === 401) {
         setStatus('login');
       } else if (statusCode === 403) {
@@ -118,8 +119,8 @@ export default function ShareLinkPage() {
       }
       navActions.setWorkbench('viewer');
       navigate('/', { replace: true });
-    } catch (error: any) {
+    } catch (error: unknown) {
-      const statusCode = error?.response?.status as number | undefined;
+      const statusCode = isAxiosError(error) ? error.response?.status : undefined;
       if (statusCode === 401) {
         setStatus('login');
       } else if (statusCode === 403) {

frontend/src/proprietary/services/shareLinkImport.ts

@@ -24,7 +24,7 @@ export interface ShareLinkMetadata {
 export async function fetchShareLinkMetadata(token: string): Promise<ShareLinkMetadata> {
   const response = await apiClient.get<ShareLinkMetadata>(
     `/api/v1/storage/share-links/${token}/metadata`,
-    { suppressErrorToast: true, skipAuthRedirect: true } as any
+    { suppressErrorToast: true, skipAuthRedirect: true }
   );
   return response.data || {};
 }
@@ -38,7 +38,7 @@ export async function downloadShareLink(token: string): Promise<{
     responseType: 'blob',
     suppressErrorToast: true,
     skipAuthRedirect: true,
-  } as any);
+  });
   const contentType =
     (response.headers && (response.headers['content-type'] || response.headers['Content-Type'])) ||
     '';
@@ -73,7 +73,7 @@ export async function importShareLinkToWorkbench(
 
       const idMap = new Map<string, FileId>();
       for (let i = 0; i < stirlingFiles.length; i += 1) {
-        idMap.set(sortedEntries[i].logicalId, stirlingFiles[i].fileId as FileId);
+        idMap.set(sortedEntries[i].logicalId, stirlingFiles[i].fileId);
       }
 
       const rootIdMap = new Map<string, FileId>();
@@ -141,7 +141,7 @@ export async function importShareLinkToWorkbench(
     autoUnzip: false,
     skipAutoUnzip: false,
   });
-  const ids = stirlingFiles.map((stirlingFile: StirlingFile) => stirlingFile.fileId as FileId);
+  const ids = stirlingFiles.map((stirlingFile: StirlingFile) => stirlingFile.fileId);
   if (ids.length > 0) {
     const sharedUpdates = {
       remoteStorageId: shareMetadata?.fileId,

frontend/src/proprietary/services/teamService.ts

@@ -1,4 +1,5 @@
 import apiClient from '@app/services/apiClient';
+import type { User } from '@app/services/userManagementService';
 
 export interface Team {
   id: number;
@@ -25,6 +26,13 @@ export interface TeamDetailsResponse {
   availableUsers: TeamMember[];
 }
 
+export interface TeamDetailsUIResponse {
+  team: Team;
+  teamUsers: User[];
+  availableUsers: User[];
+  userLastRequest?: Record<string, number>;
+}
+
 /**
  * Team Management Service
  * Provides functions to interact with team-related backend APIs
@@ -41,8 +49,8 @@ export const teamService = {
   /**
    * Get team details including members
    */
-  async getTeamDetails(teamId: number): Promise<any> {
+  async getTeamDetails(teamId: number): Promise<TeamDetailsUIResponse> {
-    const response = await apiClient.get(`/api/v1/proprietary/ui-data/teams/${teamId}`);
+    const response = await apiClient.get<TeamDetailsUIResponse>(`/api/v1/proprietary/ui-data/teams/${teamId}`);
     return response.data;
   },
 
@@ -54,7 +62,7 @@ export const teamService = {
     formData.append('name', name);
     await apiClient.post('/api/v1/team/create', formData, {
       suppressErrorToast: true,
-    } as any);
+    });
   },
 
   /**
@@ -66,7 +74,7 @@ export const teamService = {
     formData.append('newName', newName);
     await apiClient.post('/api/v1/team/rename', formData, {
       suppressErrorToast: true,
-    } as any);
+    });
   },
 
   /**
@@ -77,7 +85,7 @@ export const teamService = {
     formData.append('teamId', teamId.toString());
     await apiClient.post('/api/v1/team/delete', formData, {
       suppressErrorToast: true,
-    } as any);
+    });
   },
 
   /**
@@ -89,7 +97,7 @@ export const teamService = {
     formData.append('userId', userId.toString());
     await apiClient.post('/api/v1/team/addUser', formData, {
       suppressErrorToast: true,
-    } as any);
+    });
   },
 
   /**
@@ -102,6 +110,6 @@ export const teamService = {
     formData.append('teamId', teamId.toString());
     await apiClient.post('/api/v1/user/admin/changeRole', formData, {
       suppressErrorToast: true,
-    } as any);
+    });
   },
 };

frontend/src/proprietary/services/userManagementService.ts

@@ -30,7 +30,7 @@ export interface AdminSettingsData {
   disabledUsers: number;
   currentUsername?: string;
   roleDetails?: Record<string, string>;
-  teams?: any[];
+  teams?: unknown[];
   maxPaidUsers?: number;
   // License information
   maxAllowedUsers: number;
@@ -39,7 +39,7 @@ export interface AdminSettingsData {
   licenseMaxUsers: number;
   premiumEnabled: boolean;
   mailEnabled: boolean;
-  userSettings?: Record<string, any>;
+  userSettings?: Record<string, unknown>;
   lockedUsers?: string[];
 }
 
@@ -155,7 +155,7 @@ export const userManagementService = {
     }
     await apiClient.post('/api/v1/user/admin/saveUser', formData, {
       suppressErrorToast: true, // Component will handle error display
-    } as any);
+    });
   },
 
   /**
@@ -170,7 +170,7 @@ export const userManagementService = {
     }
     await apiClient.post('/api/v1/user/admin/changeRole', formData, {
       suppressErrorToast: true,
-    } as any);
+    });
   },
 
   /**
@@ -181,7 +181,7 @@ export const userManagementService = {
     formData.append('enabled', enabled.toString());
     await apiClient.post(`/api/v1/user/admin/changeUserEnabled/${username}`, formData, {
       suppressErrorToast: true,
-    } as any);
+    });
   },
 
   /**
@@ -190,7 +190,7 @@ export const userManagementService = {
   async deleteUser(username: string): Promise<void> {
     await apiClient.post(`/api/v1/user/admin/deleteUser/${username}`, null, {
       suppressErrorToast: true,
-    } as any);
+    });
   },
 
   /**
@@ -211,7 +211,7 @@ export const userManagementService = {
       formData,
       {
         suppressErrorToast: true, // Component will handle error display
-      } as any
+      }
     );
 
     return response.data;
@@ -245,7 +245,7 @@ export const userManagementService = {
       formData,
       {
         suppressErrorToast: true,
-      } as any
+      }
     );
 
     return response.data;
@@ -265,7 +265,7 @@ export const userManagementService = {
   async revokeInviteLink(inviteId: number): Promise<void> {
     await apiClient.delete(`/api/v1/invite/revoke/${inviteId}`, {
       suppressErrorToast: true,
-    } as any);
+    });
   },
 
   /**
@@ -300,7 +300,7 @@ export const userManagementService = {
 
     await apiClient.post('/api/v1/user/admin/changePasswordForUser', formData, {
       suppressErrorToast: true, // Component will handle error display
-    } as any);
+    });
   },
 
   /**
@@ -309,7 +309,7 @@ export const userManagementService = {
   async unlockUser(username: string): Promise<void> {
     await apiClient.post(`/api/v1/user/admin/unlockUser/${username}`, null, {
       suppressErrorToast: true,
-    } as any);
+    });
   },
 
   /**