From aa871c86f6553ca7876bfb959463a839092ff9dd Mon Sep 17 00:00:00 2001
From: "s.yahyaee" <s.yahyaee@ittalie.com>
Date: Sun, 29 Mar 2026 10:41:38 +0330
Subject: [PATCH] Fixed signature error for car-body

---
 .../request-management.service.ts                | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/src/request-management/request-management.service.ts b/src/request-management/request-management.service.ts
index b5b51d4..f9e376e 100644
--- a/src/request-management/request-management.service.ts
+++ b/src/request-management/request-management.service.ts
@@ -5739,7 +5739,7 @@ export class RequestManagementService {
   }
 
   /**
-   * V2: User signs and accepts/rejects expert decision
+   * V2: User signs and accepts/rejects (expert decision for THIRD_PARTY, or final acknowledgment for CAR_BODY).
    */
   async userSignDecisionV2(
     requestId: string,
@@ -5763,8 +5763,12 @@ export class RequestManagementService {
       );
     }
 
-    // Validate expert decision exists
-    if (!request.expert?.decision) {
+    // THIRD_PARTY: blame expert must have issued a guilt decision before signatures.
+    // CAR_BODY: single-party flow; no blame expert / no expert.decision by design.
+    if (
+      request.type !== BlameRequestType.CAR_BODY &&
+      !request.expert?.decision
+    ) {
       throw new BadRequestException(
         "Expert has not made a decision yet",
       );
@@ -5832,9 +5836,11 @@ export class RequestManagementService {
       );
 
       if (allAccepted) {
-        // Both parties accepted - case is completed
         finalStatus = CaseStatus.COMPLETED;
-        message = "Both parties have accepted. Case completed successfully.";
+        message =
+          updatedRequest.parties.length === 1
+            ? "Case completed successfully."
+            : "Both parties have accepted. Case completed successfully.";
 
         await this.blameRequestDbService.findByIdAndUpdate(requestId, {
           $set: {