Fixed bugs

src/expert-claim/expert-claim.service.ts

@@ -82,6 +82,8 @@ import {
   coerceDamagedPartsMediaToArray,
   normalizeCarPartDamageForExpertReply,
   normalizeDamageSelectedParts,
+  partIdentityKey,
+  partIdentityKeyFromCarPartDamage,
 } from "src/helpers/outer-damage-parts";
 import { ClaimVehicleTypeV2 } from "src/static/outer-car-parts-catalog";
 import { snapshotFromDamageExpert } from "src/helpers/expert-profile-snapshot";
@@ -2639,6 +2641,17 @@ export class ExpertClaimService {
       reply.parts?.length > 0
         ? this.validateAndNormalizeDaghiForExpertReplyV2(reply.parts)
         : [];
+
+    const ownerSelectedParts = normalizeDamageSelectedParts(
+      (claim as any)?.damage?.selectedParts,
+      carTypeSubmit,
+      (claim as any)?.damage?.selectedOuterParts,
+    );
+    const ownerSelectedIdentitySet = new Set(
+      ownerSelectedParts.map((p) => partIdentityKey(p)),
+    );
+    const seenIdentities = new Set<string>();
+
     const processedParts = daghiNormalized.map((p) => {
       let carPartDamage: Record<string, unknown>;
       try {
@@ -2653,7 +2666,31 @@ export class ExpertClaimService {
           }`,
         );
       }
-      return { ...p, carPartDamage };
+
+      const identityKey = partIdentityKeyFromCarPartDamage(carPartDamage);
+      if (!identityKey) {
+        throw new BadRequestException(
+          `Invalid carPartDamage for part ${p.partId}: cannot derive a stable identity (need a catalog id or both name and side).`,
+        );
+      }
+
+      if (
+        ownerSelectedIdentitySet.size > 0 &&
+        !ownerSelectedIdentitySet.has(identityKey)
+      ) {
+        throw new BadRequestException(
+          `Part "${identityKey}" is not in the owner's selected damaged parts; only parts the user picked (or added via objection) can be priced.`,
+        );
+      }
+
+      if (seenIdentities.has(identityKey)) {
+        throw new BadRequestException(
+          `Duplicate part submitted in expert reply: ${identityKey}.`,
+        );
+      }
+      seenIdentities.add(identityKey);
+
+      return { ...p, partId: identityKey, carPartDamage };
     });
 
     const { mixedFactorAndPrice, allFactorLines } = classifyV2ExpertPricingParts(