Added inner parts to APIs for expert claim

src/expert-claim/expert-claim.v2.controller.ts

@@ -1,3 +1,4 @@
+import { readFile } from "node:fs/promises";
 import {
   Body,
   Controller,
@@ -117,6 +118,21 @@ export class ExpertClaimV2Controller {
     return this.claimRequestManagementService.getOuterPartsCatalogV2(carType);
   }
 
+  @Get("inner-parts-catalog")
+  @ApiOperation({
+    summary: "Get inner parts catalog",
+    description: "Returns the full list of inner car parts from the static catalog.",
+  })
+  @ApiResponse({ status: 200, description: "Inner parts catalog (object keyed by part name)" })
+  async getInnerPartsCatalog() {
+    const raw = await readFile(`${process.cwd()}/src/static/car-part.json`, "utf-8");
+    try {
+      return JSON.parse(raw);
+    } catch {
+      return raw;
+    }
+  }
+
   @Get("branches")
   @ApiOperation({
     summary: "List insurer branches for this damage expert (V2)",