Add Bitcoin wallet admin withdraw and seed reveal API.

Expose JWT-protected withdraw-all and reveal-seed endpoints with address validation and password verification, matching Monero wallet admin behavior.

backend/src/modules/bitcoinWallet/controllers/BitcoinWalletController.ts

@@ -1,5 +1,9 @@
-import { Controller, Get, UseGuards } from '@nestjs/common';
+import { Body, Controller, Get, Post, UseGuards } from '@nestjs/common';
+import { Throttle } from '@nestjs/throttler';
 import { JwtGuard } from '../../../guards/JwtGuard';
+import { throttleProfiles } from '../../../config/throttleProfiles';
+import { BitcoinWalletRevealSeedDto } from '../dto/BitcoinWalletRevealSeedDto';
+import { BitcoinWalletWithdrawDto } from '../dto/BitcoinWalletWithdrawDto';
 import { BitcoinWalletAdminService } from '../services/BitcoinWalletAdminService';
 
 @Controller('bitcoin-wallet')
@@ -11,4 +15,16 @@ export class BitcoinWalletController {
     getStatus() {
         return this.walletAdminService.getStatus();
     }
+
+    @Post('/withdraw')
+    @Throttle(throttleProfiles.walletWithdraw)
+    withdraw(@Body() { destinationAddress, feeRateSatVbyte, password }: BitcoinWalletWithdrawDto) {
+        return this.walletAdminService.withdrawAll(destinationAddress, feeRateSatVbyte, password);
+    }
+
+    @Post('/reveal-seed')
+    @Throttle(throttleProfiles.walletRevealSeed)
+    revealSeed(@Body() { password }: BitcoinWalletRevealSeedDto) {
+        return this.walletAdminService.revealSeed(password);
+    }
 }