Fix useState<any> declarations

src/components/admin/TestDataGenerator.tsx

@@ -21,6 +21,24 @@ const PRESETS = {
   stress: { label: 'Stress', description: '~2600 submissions - Load testing', counts: '400 parks, 1000 rides, 400 companies, 200 models, 500 photo sets' }
 };
 
+interface TestDataResults {
+  summary: {
+    operators: number;
+    property_owners: number;
+    manufacturers: number;
+    designers: number;
+    parks: number;
+    rides: number;
+    rideModels: number;
+    photos: number;
+    totalPhotoItems: number;
+    conflicts: number;
+    versionChains: number;
+    companies?: number;
+  };
+  time?: string;
+}
+
 export function TestDataGenerator() {
   const { toast } = useToast();
   const [preset, setPreset] = useState<'small' | 'medium' | 'large' | 'stress'>('small');
@@ -43,7 +61,7 @@ export function TestDataGenerator() {
     includeExpiredLocks: false
   });
   const [loading, setLoading] = useState(false);
-  const [results, setResults] = useState<any>(null);
+  const [results, setResults] = useState<TestDataResults | null>(null);
   const [stats, setStats] = useState<{ 
     total: number; 
     pending: number; 

src/components/auth/AuthDiagnostics.tsx

@@ -5,8 +5,30 @@ import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/com
 import { Badge } from '@/components/ui/badge';
 import { Button } from '@/components/ui/button';
 
+interface AuthDiagnosticsData {
+  timestamp: string;
+  storage: {
+    type: string;
+    persistent: boolean;
+  };
+  session: {
+    exists: boolean;
+    user: string | null;
+    expiresAt: number | null;
+    error: string | null;
+  };
+  network: {
+    online: boolean;
+  };
+  environment: {
+    url: string;
+    isIframe: boolean;
+    cookiesEnabled: boolean;
+  };
+}
+
 export function AuthDiagnostics() {
-  const [diagnostics, setDiagnostics] = useState<any>(null);
+  const [diagnostics, setDiagnostics] = useState<AuthDiagnosticsData | null>(null);
   const [isOpen, setIsOpen] = useState(false);
 
   const runDiagnostics = async () => {

src/components/versioning/VersionComparisonDialog.tsx

@@ -16,6 +16,13 @@ interface VersionComparisonDialogProps {
   toVersionId: string;
 }
 
+interface VersionDiff {
+  [fieldName: string]: {
+    from: unknown;
+    to: unknown;
+  };
+}
+
 export function VersionComparisonDialog({
   open,
   onOpenChange,
@@ -25,7 +32,7 @@ export function VersionComparisonDialog({
   toVersionId,
 }: VersionComparisonDialogProps) {
   const { versions, compareVersions } = useEntityVersions(entityType, entityId);
-  const [diff, setDiff] = useState<any>(null);
+  const [diff, setDiff] = useState<VersionDiff | null>(null);
   const [loading, setLoading] = useState(true);
 
   const fromVersion = versions.find(v => v.version_id === fromVersionId);
@@ -36,7 +43,7 @@ export function VersionComparisonDialog({
       if (open && fromVersionId && toVersionId) {
         setLoading(true);
         const result = await compareVersions(fromVersionId, toVersionId);
-        setDiff(result);
+        setDiff(result as VersionDiff);
         setLoading(false);
       }
     };

src/pages/Profile.tsx

@@ -1,6 +1,7 @@
 import { useState, useEffect } from 'react';
 import { useParams, useNavigate, Link } from 'react-router-dom';
 import { formatDistanceToNow } from 'date-fns';
+import { User as SupabaseUser } from '@supabase/supabase-js';
 import { Header } from '@/components/layout/Header';
 import { Button } from '@/components/ui/button';
 import { Input } from '@/components/ui/input';
@@ -134,7 +135,7 @@ export default function Profile() {
   const [profile, setProfile] = useState<ProfileType | null>(null);
   const [loading, setLoading] = useState(true);
   const [editing, setEditing] = useState(false);
-  const [currentUser, setCurrentUser] = useState<any>(null);
+  const [currentUser, setCurrentUser] = useState<SupabaseUser | null>(null);
   const [editForm, setEditForm] = useState({
     username: '',
     display_name: '',