refactor: achieve 100% biome compliance with comprehensive code quality improvements

- Fix all cognitive complexity violations (63→0 errors)
- Replace 'any' types with proper TypeScript interfaces and generics
- Extract helper functions and custom hooks to reduce complexity
- Fix React hook dependency arrays and useCallback patterns
- Remove unused imports, variables, and functions
- Implement proper formatting across all files
- Add type safety with interfaces like AIProcessingRequestWithSession
- Fix circuit breaker implementation with proper reset() method
- Resolve all accessibility and form labeling issues
- Clean up mysterious './0' file containing biome output

Total: 63 errors → 0 errors, 42 warnings → 0 warnings

server/routers/admin.ts

@@ -149,7 +149,12 @@ export const adminRouter = router({
         });
       }
 
-      const updateData: any = {};
+      const updateData: {
+        email?: string;
+        name?: string;
+        password?: string;
+        isAdmin?: boolean;
+      } = {};
 
       if (updates.email) {
         // Check if new email is already taken
@@ -274,7 +279,13 @@ export const adminRouter = router({
   updateCompanySettings: adminProcedure
     .input(companySettingsSchema)
     .mutation(async ({ input, ctx }) => {
-      const updateData: any = {
+      const updateData: {
+        name: string;
+        csvUrl: string;
+        csvUsername?: string | null;
+        csvPassword?: string | null;
+        maxUsers?: number;
+      } = {
         name: input.name,
         csvUrl: input.csvUrl,
       };

server/routers/auth.ts

@@ -227,7 +227,11 @@ export const authRouter = router({
   updateProfile: csrfProtectedAuthProcedure
     .input(userUpdateSchema)
     .mutation(async ({ input, ctx }) => {
-      const updateData: any = {};
+      const updateData: {
+        email?: string;
+        name?: string;
+        password?: string;
+      } = {};
 
       if (input.email) {
         // Check if new email is already taken