feat: wire frontend to real backend API

apps/backend/src/modules/admin/admin.service.ts

@@ -1,6 +1,6 @@
-import { Injectable, Inject, forwardRef } from '@nestjs/common';
+import { Injectable } from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
-import { Repository, Between, MoreThan, LessThan } from 'typeorm';
+import { Repository, Between, MoreThan, FindOptionsWhere } from 'typeorm';
 import { User, UserRole } from '../user/entities/user.entity';
 import { AdminAuditLogService } from './services/admin-audit-log.service';
 import { Escrow, EscrowStatus } from '../escrow/entities/escrow.entity';
@@ -56,7 +56,7 @@ export class AdminService {
   }) {
     const { status, page = 1, limit = 50, startDate, endDate } = filters;
 
-    const where: any = {};
+    const where: FindOptionsWhere<Escrow> = {};
     if (status) where.status = status;
     if (startDate && endDate) {
       where.createdAt = Between(new Date(startDate), new Date(endDate));

apps/backend/src/modules/escrow/dto/create-escrow.dto.ts

@@ -36,7 +36,7 @@ export class CreateConditionDto {
   type?: ConditionType;
 
   @IsOptional()
-  metadata?: Record<string, any>;
+  metadata?: Record<string, unknown>;
 }
 
 export class CreateEscrowDto {

apps/backend/src/modules/escrow/entities/condition.entity.ts

@@ -63,7 +63,7 @@ export class Condition {
   metByUserId?: string;
 
   @Column({ type: 'simple-json', nullable: true })
-  metadata?: Record<string, any>;
+  metadata?: Record<string, unknown>;
 
   @CreateDateColumn()
   createdAt: Date;

apps/backend/src/modules/escrow/entities/escrow-event.entity.ts

@@ -48,7 +48,7 @@ export class EscrowEvent {
   actorId?: string;
 
   @Column({ type: 'simple-json', nullable: true })
-  data?: Record<string, any>;
+  data?: Record<string, unknown>;
 
   @Column({ nullable: true })
   ipAddress?: string;

apps/backend/src/modules/escrow/services/escrow-stellar-integration.service.ts

@@ -3,7 +3,7 @@ import { ConfigType } from '@nestjs/config';
 import { InjectRepository } from '@nestjs/typeorm';
 import { Repository } from 'typeorm';
 import { Escrow } from '../entities/escrow.entity';
-import { Party } from '../entities/party.entity';
+import { Party, PartyRole } from '../entities/party.entity';
 import { Condition } from '../entities/condition.entity';
 import { StellarService } from '../../../services/stellar.service';
 import { EscrowOperationsService } from '../../../services/stellar/escrow-operations';
@@ -51,15 +51,15 @@ export class EscrowStellarIntegrationService {
 
       // Get the depositor (usually the buyer)
       const depositor = escrow.parties.find(
-        (party) => party.role === ('buyer' as any),
+        (party) => party.role === PartyRole.BUYER,
       );
       if (!depositor) {
         throw new Error(`Depositor not found for escrow ${escrowId}`);
       }
 
       // Get the recipient (usually the seller)
       const recipient = escrow.parties.find(
-        (party) => party.role === ('seller' as any),
+        (party) => party.role === PartyRole.SELLER,
       );
       if (!recipient) {
         throw new Error(`Recipient not found for escrow ${escrowId}`);
@@ -386,7 +386,7 @@ export class EscrowStellarIntegrationService {
     }
     if (typeof error === 'object' && error !== null && 'message' in error) {
       // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
-      return String((error as any).message);
+      return String((error as { message: unknown }).message);
     }
     return 'Unknown error';
   }

apps/backend/src/modules/escrow/services/escrow.service.spec.ts

@@ -603,7 +603,7 @@ describe('EscrowService', () => {
 
   describe('findOverview', () => {
     function createOverviewQueryBuilder() {
-      const qb: any = {
+      const qb: Record<string, jest.Mock> = {
         select: jest.fn().mockReturnThis(),
         addSelect: jest.fn().mockReturnThis(),
         setParameter: jest.fn().mockReturnThis(),

apps/backend/src/services/stellar.service.ts

@@ -157,7 +157,7 @@ export class StellarService {
   streamTransactions(
     accountId: string,
     callback: (transaction: StellarTransactionResponse) => void,
-  ): any {
+  ): () => void {
     this.logger.log(`Starting transaction stream for account: ${accountId}`);
 
     const handler = (transaction: StellarTransactionResponse) => {
@@ -265,17 +265,14 @@ export class StellarService {
    * Type guard to check if error has response with status
    */
   private isNotFoundError(error: unknown): boolean {
-    /* eslint-disable @typescript-eslint/no-unsafe-member-access */
-    return (
-      typeof error === 'object' &&
-      error !== null &&
-      'response' in error &&
-      typeof (error as any).response === 'object' &&
-      (error as any).response !== null &&
-      'status' in (error as any).response &&
-      (error as any).response.status === 404
-    );
-    /* eslint-enable @typescript-eslint/no-unsafe-member-access */
+    if (typeof error !== 'object' || error === null || !('response' in error)) {
+      return false;
+    }
+    const { response } = error as { response: unknown };
+    if (typeof response !== 'object' || response === null || !('status' in response)) {
+      return false;
+    }
+    return (response as { status: unknown }).status === 404;
   }
 
   /**
@@ -286,8 +283,7 @@ export class StellarService {
       return error.message;
     }
     if (typeof error === 'object' && error !== null && 'message' in error) {
-      // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
-      return String((error as any).message);
+      return String((error as { message: unknown }).message);
     }
     return 'Unknown error';
   }
@@ -307,7 +303,7 @@ export class StellarService {
     if (typeof error === 'object' && error !== null) {
       // Check if it's a Horizon API error
       // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
-      const errorObj = error as any;
+      const errorObj = error as Record<string, unknown>;
       /* eslint-disable @typescript-eslint/no-unsafe-member-access */
       if (errorObj.response?.data) {
         // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment

apps/backend/src/services/stellar/escrow-operations.ts

@@ -292,7 +292,7 @@ export class EscrowOperationsService {
     }
     if (typeof error === 'object' && error !== null && 'message' in error) {
       // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
-      return String((error as any).message);
+      return String((error as { message: unknown }).message);
     }
     return 'Unknown error';
   }

apps/backend/src/services/stellar/soroban-integration.spec.ts

@@ -36,10 +36,10 @@ describe('EscrowOperationsService Integration', () => {
       deadline,
     );
 
-    const op = ops[0] as any as {
+    const op = ops[0] as unknown as {
       body: {
         value: () => {
-          call: () => { functionName: () => { args: () => any[] } };
+          call: () => { functionName: () => { args: () => unknown[] } };
         };
       };
     };

apps/backend/src/types/stellar.types.ts

@@ -75,4 +75,4 @@ export interface StellarHorizonError {
   };
 }
 
-export type StellarServer = any; // For now, keep as any but we'll use this alias for future typing
+export type StellarServer = StellarSdk.Horizon.Server;

apps/frontend/.eslintrc.json

@@ -1,3 +1,14 @@
 {
-  "extends": "next/core-web-vitals"
+  "root": true,
+  "extends": "next/core-web-vitals",
+  "rules": {
+    "@typescript-eslint/no-unused-vars": [
+      "warn",
+      {
+        "argsIgnorePattern": "^_",
+        "varsIgnorePattern": "^_",
+        "caughtErrorsIgnorePattern": "^_"
+      }
+    ]
+  }
 }

apps/frontend/app/contexts/ToastContext.tsx

@@ -1,6 +1,6 @@
 'use client';
 
-import React, { createContext, useContext, useState, useCallback } from 'react';
+import { createContext, useContext } from 'react';
 
 export type ToastType = 'success' | 'error' | 'warning' | 'info';
 

apps/frontend/app/contexts/WalletContext.tsx

@@ -1,4 +1,4 @@
 'use client';
 
 import React, { createContext, useContext, useState, useEffect, ReactNode } from 'react';
 import { WalletType, WalletConnection, WalletServiceFactory } from '../services/wallet';
@@ -10,6 +10,7 @@
   connect: (walletType: WalletType) => Promise<void>;
   disconnect: () => void;
   signTransaction: (xdr: string) => Promise<string>;
+  signMessage: (message: string) => Promise<string>;
   getAvailableWallets: () => Promise<WalletType[]>;
 }
 
@@ -60,8 +61,8 @@
 
       setWallet(walletConnection);
       window.localStorage.setItem('vaultix_wallet', JSON.stringify(walletConnection));
-    } catch (err: any) {
-      setError(err.message || 'Failed to connect wallet');
+    } catch (err: unknown) {
+      setError(err instanceof Error ? err.message : 'Failed to connect wallet');
       throw err;
     } finally {
       setIsConnecting(false);
@@ -75,14 +76,18 @@
   };
 
   const signTransaction = async (xdr: string): Promise<string> => {
-    if (!wallet) {
-      throw new Error('No wallet connected');
-    }
-
+    if (!wallet) throw new Error('No wallet connected');
     const service = WalletServiceFactory.getService(wallet.walletType);
     return await service.signTransaction(xdr);
   };
 
+  const signMessage = async (message: string): Promise<string> => {
+    if (!wallet) throw new Error('No wallet connected');
+    const service = WalletServiceFactory.getService(wallet.walletType);
+    if (!service.signMessage) throw new Error('Connected wallet does not support message signing');
+    return await service.signMessage(message);
+  };
+
   const getAvailableWallets = async (): Promise<WalletType[]> => {
     return await WalletServiceFactory.getAvailableWallets();
   };
@@ -96,6 +101,7 @@
         connect,
         disconnect,
         signTransaction,
+        signMessage,
         getAvailableWallets,
       }}
     >

apps/frontend/app/dashboard/page.tsx

@@ -1,4 +1,4 @@
 'use client';
 
 import { useState } from 'react';
 import StatusTabs from '@/component/dashboard/StatusTabs';
@@ -29,7 +29,7 @@
   });
 
   // Flatten the paginated data
-  const flatEscrows = escrowsData?.pages.flatMap((page: any) => page.escrows) || [];
+  const flatEscrows = escrowsData?.pages.flatMap((page: { escrows: IEscrow[] }) => page.escrows) || [];
 
   // Handle tab changes
   const handleTabChange = (tab: 'all' | 'active' | 'pending' | 'completed' | 'disputed') => {

apps/frontend/app/escrow/[id]/page.tsx

@@ -1,4 +1,4 @@
 'use client';
 
 import { useState, useEffect } from 'react';
 import { useParams } from 'next/navigation';
@@ -9,11 +9,9 @@
 import PartiesSection from '@/components/escrow/detail/PartiesSection';
 import TermsSection from '@/components/escrow/detail/TermsSection';
 import TimelineSection from '@/components/escrow/detail/TimelineSection';
-import TransactionHistory from '@/components/escrow/detail/TransactionHistory';
 import ActivityFeed from '@/components/common/ActivityFeed';
-import { IEscrowExtended } from '@/types/escrow';
+import { IParty } from '@/types/escrow';
 import FileDisputeModal from '@/components/escrow/detail/file-dispute-modal';
-import { Button } from '@/components/ui/button';
 import { EscrowDetailSkeleton } from '@/components/ui/EscrowDetailSkeleton';
 
 const EscrowDetailPage = () => {
@@ -28,7 +26,7 @@
     if (escrow && publicKey) {
       if (escrow.creatorId === publicKey) {
         setUserRole('creator');
-      } else if (escrow.parties?.some((party: any) => party.userId === publicKey)) {
+      } else if (escrow.parties?.some((party: IParty) => party.userId === publicKey)) {
         setUserRole('counterparty');
       }
     }

apps/frontend/app/hooks/useWallet.ts

@@ -1,19 +1,20 @@
 import { useWallet as useWalletContext } from "../contexts/WalletContext";
 
 
 
 export const useWalletConnection = () => {
-  const { wallet, isConnecting, error, connect, disconnect } = useWalletContext();
-  
+  const { wallet, isConnecting, error, connect, disconnect, signMessage } = useWalletContext();
+
   return {
     isConnected: !!wallet,
     wallet,
     isConnecting,
     error,
     connect,
     disconnect,
-    publicKey: wallet?.publicKey,
-    walletType: wallet?.walletType,
-    network: wallet?.network,
+    signMessage,
+    publicKey: wallet?.publicKey ?? null,
+    walletType: wallet?.walletType ?? null,
+    network: wallet?.network ?? null,
   };
 };

apps/frontend/app/layout.tsx

@@ -1,9 +1,8 @@
 import type { Metadata } from "next";
 import { Geist, Geist_Mono } from "next/font/google";
 import "./globals.css";
 import Providers from "@/component/Providers";
 import Navbar from "@/component/layout/Navbar";
-import FileDisputeModal from "@/components/escrow/detail/file-dispute-modal";
 
 const geistSans = Geist({
   variable: "--font-geist-sans",

apps/frontend/app/page.tsx

@@ -1,6 +1,5 @@
 
-import Image from "next/image";
-  import Link from "next/link";
+import Link from "next/link";
 
 export default function Home() {
   return (

apps/frontend/app/services/wallet/albedo.ts

@@ -1,4 +1,4 @@
 import albedo from '@albedo-link/intent';
 
 export interface AlbedoIntentResult {
   signed_envelope_xdr?: string;
@@ -30,7 +30,8 @@
     }
   }
 
-  async signTransaction(xdr: string): Promise<string> {
+  // eslint-disable-next-line @typescript-eslint/no-unused-vars
+  async signTransaction(_xdr: string): Promise<string> {
     try {
       const result = await albedo.tx({ xdr, network: this.getNetworkParam() });