From ef21009644a17c8565cc4e3538cf7ce56e38d583 Mon Sep 17 00:00:00 2001
From: Developer <developer@rwadurian.com>
Date: Wed, 3 Dec 2025 18:10:42 -0800
Subject: [PATCH] =?UTF-8?q?fix(identity-service):=20=E4=BF=AE=E5=A4=8D=20M?=
 =?UTF-8?q?PC=20keygen=20=E8=AF=B7=E6=B1=82=E5=8F=82=E6=95=B0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- sessionId 使用纯 UUID 格式（移除 mpc- 前缀）
- shareType 使用 'wallet' 匹配 PartyShareType 枚举

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
---
 .../src/infrastructure/external/mpc/mpc-client.service.ts   | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/backend/services/identity-service/src/infrastructure/external/mpc/mpc-client.service.ts b/backend/services/identity-service/src/infrastructure/external/mpc/mpc-client.service.ts
index 0c214717..bfcd2782 100644
--- a/backend/services/identity-service/src/infrastructure/external/mpc/mpc-client.service.ts
+++ b/backend/services/identity-service/src/infrastructure/external/mpc/mpc-client.service.ts
@@ -79,10 +79,10 @@ export class MpcClientService {
   }
 
   /**
-   * 生成新的会话ID
+   * 生成新的会话ID (必须是纯 UUID 格式)
    */
   generateSessionId(): string {
-    return `mpc-${randomUUID()}`;
+    return randomUUID();
   }
 
   /**
@@ -112,7 +112,7 @@ export class MpcClientService {
             sessionId: request.sessionId,
             partyId: 'server-party',
             joinToken: this.generateJoinToken(request.sessionId),
-            shareType: 'SERVER',
+            shareType: 'wallet',  // PartyShareType.WALLET
             userId: request.parties.find(p => p.partyType === 'CLIENT')?.partyId,
           },
           {