apps/api/src/integrations/pl24/pl24.service.ts

@@ -289,10 +289,6 @@ export class PL24Service {
       const crumbs = (data.crumbs as Array<{ name: string }>) || [];
       const groupName = crumbs[crumbs.length - 1]?.name || "";
       const illustrationId = linkPath.match(/illustrationId=(\d+)/)?.[1] || "";
-      // Temporary: log raw images field to diagnose 404 issue
-      const rawImages = (data?.data as any)?.images || data?.images;
-      if (rawImages)
-        this.logger.log(`[imgdbg] images field: ${JSON.stringify(rawImages).substring(0, 500)}`);
       const imageData = this.extractImageData(data);
 
       let parts = this.parsePartsResponse(data);

apps/api/src/vehicles/vehicles.controller.ts

@@ -66,8 +66,8 @@ export class VehiclesController {
   }
 
   @Get(":vehicleId/prefetch-status")
-  async prefetchStatus(@Param("vehicleId") vehicleId: string, @CurrentUser("id") userId: string) {
-    await this.vehiclesService.getById(vehicleId, userId);
+  async prefetchStatus(@Param("vehicleId") vehicleId: string) {
+    await this.vehiclesService.getById(vehicleId);
     return this.vehiclesService.getPrefetchStatus(vehicleId);
   }
 
@@ -75,16 +75,15 @@ export class VehiclesController {
   async getCategoryParts(
     @Param("vehicleId") vehicleId: string,
     @Param("categoryId") categoryId: string,
-    @CurrentUser("id") userId: string,
   ) {
-    // Verify vehicle belongs to user
-    await this.vehiclesService.getById(vehicleId, userId);
+    // Decoded vehicles are shared — any authenticated user can read.
+    await this.vehiclesService.getById(vehicleId);
     return this.categoriesService.getCategoryWithParts(categoryId);
   }
 
   @Get(":id")
-  async getById(@Param("id") id: string, @CurrentUser("id") userId: string) {
-    return this.vehiclesService.getById(id, userId);
+  async getById(@Param("id") id: string) {
+    return this.vehiclesService.getById(id);
   }
 
   @Delete(":id")

apps/api/src/vehicles/vehicles.service.spec.ts

@@ -485,7 +485,7 @@ describe("VehiclesService", () => {
       const db = createMockDb({ _selectRows: [vehicle] });
       const { service } = createService(db);
 
-      const result = await service.getById("v1", "u1");
+      const result = await service.getById("v1");
       expect(result).toEqual(vehicle);
     });
 
@@ -493,7 +493,7 @@ describe("VehiclesService", () => {
       const db = createMockDb({ _selectRows: [] });
       const { service } = createService(db);
 
-      await expect(service.getById("nonexistent", "u1")).rejects.toThrow(NotFoundException);
+      await expect(service.getById("nonexistent")).rejects.toThrow(NotFoundException);
     });
   });
 

apps/api/src/vehicles/vehicles.service.ts

@@ -881,9 +881,11 @@ export class VehiclesService {
   }
 
   /**
-   * Get vehicle by ID — verify user has access via junction table.
+   * Get vehicle by ID. Decoded vehicle data is shared across users — any
+   * authenticated user can read any vehicle. The userVehicles junction is
+   * used only for per-user history and delete operations.
    */
-  async getById(id: string, userId: string) {
+  async getById(id: string) {
     const [result] = await this.db
       .select({
         id: vehicles.id,
@@ -902,8 +904,7 @@ export class VehiclesService {
         updatedAt: vehicles.updatedAt,
       })
       .from(vehicles)
-      .innerJoin(userVehicles, eq(userVehicles.vehicleId, vehicles.id))
-      .where(and(eq(vehicles.id, id), eq(userVehicles.userId, userId)))
+      .where(eq(vehicles.id, id))
       .limit(1);
 
     if (!result) throw new NotFoundException("Araç bulunamadı");

apps/web/src/components/categories/category-grid.tsx

@@ -1,9 +1,11 @@
 import { api } from "@/lib/api-client";
 import { getCategoryIcon } from "@/lib/category-icons";
+import { useTranslation } from "@/lib/i18n";
 import { Card, CardContent } from "@sase/ui";
-import { Link } from "@tanstack/react-router";
-import { ChevronRight } from "lucide-react";
-import { useEffect, useRef, useState } from "react";
+import { useQueryClient } from "@tanstack/react-query";
+import { useNavigate } from "@tanstack/react-router";
+import { ChevronRight, Loader2 } from "lucide-react";
+import { Fragment, useCallback, useEffect, useRef, useState } from "react";
 
 interface Category {
   id: string;
@@ -16,6 +18,12 @@ interface Category {
   source?: string;
 }
 
+interface StackEntry {
+  id: string | null;
+  name: string;
+  categories: Category[];
+}
+
 interface CategoryGridProps {
   categories: Category[];
   vehicleId: string;
@@ -33,16 +41,37 @@ export function CategoryGrid({
   parentId,
   variantSearch,
 }: CategoryGridProps) {
+  const { t } = useTranslation();
+  const queryClient = useQueryClient();
+  const navigate = useNavigate();
+
+  const [stack, setStack] = useState<StackEntry[]>([
+    { id: parentId ?? null, name: t("categories.root"), categories },
+  ]);
+  const [loadingId, setLoadingId] = useState<string | null>(null);
   const [prefetchingIds, setPrefetchingIds] = useState<Set<string>>(new Set());
   const [imageOverrides, setImageOverrides] = useState<Map<string, string>>(new Map());
   const prefetchedRef = useRef<Set<string>>(new Set());
 
+  // Reset stack when input categories prop changes (parent navigation).
+  // `t` is intentionally excluded: useTranslation returns a fresh function each
+  // render, so including it would re-fire the effect on every render and reset
+  // the stack immediately after handleSelect pushes a child level — making
+  // parent-category clicks appear to do nothing.
+  // biome-ignore lint/correctness/useExhaustiveDependencies: t identity is unstable; key is static
+  useEffect(() => {
+    setStack([{ id: parentId ?? null, name: t("categories.root"), categories }]);
+  }, [categories, parentId]);
+
+  const current = stack[stack.length - 1];
+  const currentCategories = current.categories;
+
   // Prefetch schema images for leaf categories in batches of 2
   useEffect(() => {
     prefetchedRef.current.clear();
     setImageOverrides(new Map());
 
-    const leafsWithoutImage = categories.filter(
+    const leafsWithoutImage = currentCategories.filter(
       (c) =>
         c.children !== undefined &&
         c.children.length === 0 &&
@@ -55,7 +84,7 @@ export function CategoryGrid({
       return;
     }
 
-    const parentId = categories[0]?.parentId;
+    const firstParentId = currentCategories[0]?.parentId;
     let didCancel = false;
 
     const BATCH_SIZE = 2;
@@ -71,9 +100,9 @@ export function CategoryGrid({
 
         for (const c of batch) prefetchedRef.current.add(c.id);
 
-        if (!didCancel && parentId) {
+        if (!didCancel && firstParentId) {
           try {
-            const refreshed = await api.get<Category[]>(`/categories/${parentId}/children`);
+            const refreshed = await api.get<Category[]>(`/categories/${firstParentId}/children`);
             if (!didCancel && refreshed?.length) {
               setImageOverrides((prev) => {
                 const next = new Map(prev);
@@ -92,46 +121,107 @@ export function CategoryGrid({
     return () => {
       didCancel = true;
     };
-  }, [categories, vehicleId]);
+  }, [currentCategories, vehicleId]);
+
+  const navigateToLeaf = useCallback(
+    (categoryId: string) => {
+      navigate({
+        to: catalogMode
+          ? "/dashboard/catalog/$brandName/$modelId/categories/$categoryId"
+          : "/dashboard/vehicles/$id/categories/$categoryId",
+        params: catalogMode
+          ? { brandName: brandName ?? vehicleId, modelId: vehicleId, categoryId }
+          : { id: vehicleId, categoryId },
+        search: (catalogMode && variantSearch ? variantSearch : undefined) as any,
+      });
+    },
+    [navigate, catalogMode, brandName, vehicleId, variantSearch],
+  );
+
+  const handleSelect = useCallback(
+    async (category: Category) => {
+      const known = category.children;
+      if (known && known.length > 0) {
+        setStack((s) => [...s, { id: category.id, name: category.name, categories: known }]);
+        return;
+      }
+      if (category.children !== undefined && category.children.length === 0) {
+        navigateToLeaf(category.id);
+        return;
+      }
+
+      setLoadingId(category.id);
+      try {
+        const data = await queryClient.fetchQuery({
+          queryKey: ["category-children", category.id],
+          queryFn: () => api.get<Category[]>(`/categories/${category.id}/children`),
+          staleTime: 5 * 60 * 1000,
+        });
+        const children = data ?? [];
+        if (children.length === 0) {
+          navigateToLeaf(category.id);
+          return;
+        }
+        setStack((s) => [...s, { id: category.id, name: category.name, categories: children }]);
+      } finally {
+        setLoadingId(null);
+      }
+    },
+    [queryClient, navigateToLeaf],
+  );
 
   if (!categories || categories.length === 0) {
-    return <p className="py-4 text-center text-sm text-muted-foreground">Kategori bulunamadi.</p>;
+    return (
+      <p className="py-4 text-center text-sm text-muted-foreground">{t("catalog.noCategories")}</p>
+    );
   }
 
   return (
-    <div className="grid gap-3 sm:grid-cols-2 lg:grid-cols-3">
-      {categories.map((category) => {
-        const Icon = getCategoryIcon(category.name);
-        const isLeaf = category.children !== undefined && category.children.length === 0;
-        const schemaImageUrl = imageOverrides.get(category.id) || category.schemaImageUrl;
+    <div>
+      {stack.length > 1 && (
+        <nav className="flex items-center gap-1 text-sm text-muted-foreground mb-3">
+          {stack.map((s, i) => (
+            <Fragment key={s.id ?? "root"}>
+              {i > 0 && <ChevronRight className="h-3.5 w-3.5" />}
+              <button
+                type="button"
+                onClick={() => setStack((prev) => prev.slice(0, i + 1))}
+                className="hover:text-foreground hover:underline truncate max-w-[200px] disabled:hover:no-underline"
+                disabled={i === stack.length - 1}
+              >
+                {s.name}
+              </button>
+            </Fragment>
+          ))}
+        </nav>
+      )}
+      <div className="grid gap-3 sm:grid-cols-2 lg:grid-cols-3">
+        {currentCategories.map((category) => {
+          const Icon = getCategoryIcon(category.name);
+          const isLeaf = category.children !== undefined && category.children.length === 0;
+          const schemaImageUrl = imageOverrides.get(category.id) || category.schemaImageUrl;
+          const isSelectLoading = loadingId === category.id;
 
-        return (
-          <Link
-            key={category.id}
-            to={
-              catalogMode
-                ? "/dashboard/catalog/$brandName/$modelId/categories/$categoryId"
-                : "/dashboard/vehicles/$id/categories/$categoryId"
-            }
-            params={
-              catalogMode
-                ? { brandName: brandName ?? vehicleId, modelId: vehicleId, categoryId: category.id }
-                : { id: vehicleId, categoryId: category.id }
-            }
-            search={catalogMode && variantSearch ? variantSearch : undefined}
-            className={category.unavailable ? "opacity-40" : undefined}
-          >
-            <CategoryCard
-              name={category.name}
-              partCount={category.partCount}
-              Icon={Icon}
-              schemaImageUrl={schemaImageUrl}
-              isLeaf={isLeaf}
-              isLoading={prefetchingIds.has(category.id)}
-            />
-          </Link>
-        );
-      })}
+          return (
+            <button
+              key={category.id}
+              type="button"
+              onClick={() => handleSelect(category)}
+              disabled={category.unavailable || isSelectLoading}
+              className={`w-full text-left ${category.unavailable ? "opacity-40" : ""}`}
+            >
+              <CategoryCard
+                name={category.name}
+                partCount={category.partCount}
+                Icon={Icon}
+                schemaImageUrl={schemaImageUrl}
+                isLeaf={isLeaf}
+                isLoading={prefetchingIds.has(category.id) || isSelectLoading}
+              />
+            </button>
+          );
+        })}
+      </div>
     </div>
   );
 }
@@ -198,7 +288,11 @@ function CategoryCard({
               <p className="text-sm text-muted-foreground">{partCount} parça</p>
             )}
           </div>
-          <ChevronRight className="h-5 w-5 text-muted-foreground group-hover:text-primary group-hover:translate-x-1 transition-all flex-shrink-0" />
+          {isLoading ? (
+            <Loader2 className="h-5 w-5 animate-spin text-muted-foreground flex-shrink-0" />
+          ) : (
+            <ChevronRight className="h-5 w-5 text-muted-foreground group-hover:text-primary group-hover:translate-x-1 transition-all flex-shrink-0" />
+          )}
         </div>
       </CardContent>
     </Card>

apps/web/src/components/schema/__tests__/parts-panel.test.tsx

@@ -0,0 +1,151 @@
+import { cleanup, fireEvent, render, screen } from "@testing-library/react";
+import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
+
+import type { Part } from "@/hooks/use-parts";
+
+const captureMock = vi.fn();
+const setSelectedGroupMock = vi.fn();
+const setHighlightedGroupMock = vi.fn();
+
+vi.mock("@/lib/posthog", () => ({
+  capture: (...args: unknown[]) => captureMock(...args),
+}));
+
+vi.mock("@/lib/api-client", () => ({
+  api: {
+    post: vi.fn().mockResolvedValue({}),
+    get: vi.fn().mockResolvedValue({}),
+  },
+}));
+
+vi.mock("@/stores/schema.store", () => ({
+  useSchemaStore: () => ({
+    highlightedGroup: null,
+    selectedGroup: null,
+    setHighlightedGroup: setHighlightedGroupMock,
+    setSelectedGroup: setSelectedGroupMock,
+  }),
+}));
+
+import { PartsPanel } from "../parts-panel";
+
+const buildPart = (overrides: Partial<Part> = {}): Part => ({
+  id: overrides.id ?? "p1",
+  name: overrides.name ?? "Part 1",
+  oemCode: overrides.oemCode ?? "OEM-1",
+  quantity: overrides.quantity ?? 1,
+  position: overrides.position ?? "Front",
+  hotspotIndex: overrides.hotspotIndex ?? 1,
+  unavailable: overrides.unavailable,
+  remark: overrides.remark,
+  modelCodes: overrides.modelCodes,
+  presel: overrides.presel,
+  price: overrides.price,
+  currency: overrides.currency,
+  note: overrides.note,
+});
+
+beforeEach(() => {
+  captureMock.mockClear();
+  setSelectedGroupMock.mockClear();
+  setHighlightedGroupMock.mockClear();
+});
+
+afterEach(() => {
+  cleanup();
+});
+
+describe("PartsPanel", () => {
+  it("renders 8 skeleton rows and skips telemetry when isLoading", () => {
+    const { container } = render(<PartsPanel parts={[]} isLoading />);
+
+    const skeletons = container.querySelectorAll(".h-10.w-full");
+    expect(skeletons.length).toBe(8);
+
+    const rows = container.querySelectorAll('[data-faro-user-action-name="select-part"]');
+    expect(rows.length).toBe(0);
+    expect(captureMock).not.toHaveBeenCalled();
+  });
+
+  it("does not invoke store setters when an unavailable row is clicked", () => {
+    const parts: Part[] = [
+      buildPart({ id: "available", name: "Available Part", hotspotIndex: 1 }),
+      buildPart({
+        id: "unavailable",
+        name: "Unavailable Part",
+        hotspotIndex: 2,
+        unavailable: true,
+      }),
+    ];
+
+    const { container } = render(<PartsPanel parts={parts} />);
+    const rows = container.querySelectorAll('[data-faro-user-action-name="select-part"]');
+    expect(rows.length).toBe(2);
+
+    const unavailableRow = rows[1] as HTMLElement;
+    fireEvent.click(unavailableRow);
+    fireEvent.mouseEnter(unavailableRow);
+    fireEvent.mouseLeave(unavailableRow);
+
+    expect(setSelectedGroupMock).not.toHaveBeenCalled();
+    expect(setHighlightedGroupMock).not.toHaveBeenCalled();
+  });
+
+  it("applies the correct ARIA and tabIndex to unavailable vs available rows", () => {
+    const parts: Part[] = [
+      buildPart({ id: "available", name: "Available Part", hotspotIndex: 1 }),
+      buildPart({
+        id: "unavailable",
+        name: "Unavailable Part",
+        hotspotIndex: 2,
+        unavailable: true,
+      }),
+    ];
+
+    const { container } = render(<PartsPanel parts={parts} />);
+    const rows = container.querySelectorAll('[data-faro-user-action-name="select-part"]');
+    const availableRow = rows[0] as HTMLElement;
+    const unavailableRow = rows[1] as HTMLElement;
+
+    expect(unavailableRow.getAttribute("aria-disabled")).toBe("true");
+    expect(unavailableRow.getAttribute("tabindex")).toBe("-1");
+    expect(availableRow.getAttribute("tabindex")).toBe("0");
+    expect(availableRow.getAttribute("aria-disabled")).toBeNull();
+  });
+
+  it("renders a Geri don button in the empty state that invokes window.history.back", () => {
+    const backSpy = vi.spyOn(window.history, "back").mockImplementation(() => {});
+
+    render(<PartsPanel parts={[]} />);
+    const button = screen.getByRole("button", { name: "Geri don" });
+    expect(button).toBeInTheDocument();
+
+    fireEvent.click(button);
+    expect(backSpy).toHaveBeenCalledTimes(1);
+
+    backSpy.mockRestore();
+  });
+
+  it("gates parts_panel_viewed on isLoading and fires once after load", () => {
+    const parts: Part[] = [
+      buildPart({ id: "a", hotspotIndex: 1 }),
+      buildPart({ id: "b", hotspotIndex: 2 }),
+    ];
+
+    const { rerender } = render(
+      <PartsPanel parts={parts} vehicleId="v1" categoryId="c1" isLoading />,
+    );
+    expect(captureMock).not.toHaveBeenCalled();
+
+    rerender(<PartsPanel parts={parts} vehicleId="v1" categoryId="c1" isLoading={false} />);
+
+    expect(captureMock).toHaveBeenCalledTimes(1);
+    const [eventName, payload] = captureMock.mock.calls[0];
+    expect(eventName).toBe("parts_panel_viewed");
+    expect(payload).toMatchObject({
+      vehicle_id: "v1",
+      category_id: "c1",
+      parts_count: parts.length,
+    });
+  });
+});

apps/web/src/components/schema/parts-panel.tsx

@@ -2,7 +2,7 @@ import type { Part } from "@/hooks/use-parts";
 import { api } from "@/lib/api-client";
 import { capture } from "@/lib/posthog";
 import { useSchemaStore } from "@/stores/schema.store";
-import { cn } from "@sase/ui";
+import { Button, Skeleton, cn } from "@sase/ui";
 import { Check, Copy } from "lucide-react";
 import { useCallback, useEffect, useMemo, useRef, useState } from "react";
 
@@ -10,9 +10,12 @@ interface PartsPanelProps {
   parts: Part[];
   vehicleId?: string;
   categoryId?: string;
+  isLoading?: boolean;
 }
 
-export function PartsPanel({ parts, vehicleId, categoryId }: PartsPanelProps) {
+const SKELETON_ROW_KEYS = ["s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7"] as const;
+
+export function PartsPanel({ parts, vehicleId, categoryId, isLoading }: PartsPanelProps) {
   const { highlightedGroup, selectedGroup, setHighlightedGroup, setSelectedGroup } =
     useSchemaStore();
   const rowRefs = useRef<Map<number, HTMLTableRowElement>>(new Map());
@@ -22,6 +25,7 @@ export function PartsPanel({ parts, vehicleId, categoryId }: PartsPanelProps) {
   const hasPrices = parts.some((p) => p.price != null);
 
   useEffect(() => {
+    if (isLoading) return;
     const key = `${vehicleId ?? ""}|${categoryId ?? ""}`;
     if (viewedKeyRef.current === key) return;
     viewedKeyRef.current = key;
@@ -34,7 +38,7 @@ export function PartsPanel({ parts, vehicleId, categoryId }: PartsPanelProps) {
         parts.filter((p) => p.hotspotIndex != null && !p.unavailable).map((p) => p.hotspotIndex),
       ).size,
     });
-  }, [vehicleId, categoryId, parts.length, hasPrices, parts]);
+  }, [vehicleId, categoryId, parts.length, hasPrices, parts, isLoading]);
 
   // Map group → IDs of available (non-unavailable) parts
   const availableByGroup = useMemo(() => {
@@ -84,6 +88,24 @@ export function PartsPanel({ parts, vehicleId, categoryId }: PartsPanelProps) {
     }
   }, [selectedGroup]);
 
+  if (isLoading) {
+    return (
+      <div className="flex h-full flex-col overflow-hidden">
+        <div className="border-b border-border px-4 py-3">
+          <h3 className="text-sm font-semibold">Parcalar</h3>
+          <p className="text-xs text-muted-foreground">Yukleniyor...</p>
+        </div>
+        <div className="flex-1 overflow-y-auto">
+          <div className="space-y-2 p-3">
+            {SKELETON_ROW_KEYS.map((k) => (
+              <Skeleton key={k} className="h-10 w-full" />
+            ))}
+          </div>
+        </div>
+      </div>
+    );
+  }
+
   return (
     <div className="flex h-full flex-col overflow-hidden">
       <div className="border-b border-border px-4 py-3">
@@ -92,106 +114,122 @@ export function PartsPanel({ parts, vehicleId, categoryId }: PartsPanelProps) {
       </div>
 
       <div className="flex-1 overflow-y-auto">
-        <table className="w-full text-sm">
-          <thead className="sticky top-0 z-10 bg-background">
-            <tr className="border-b border-border text-left text-xs font-medium text-muted-foreground">
-              <th className="px-3 py-2 w-10">#</th>
-              <th className="px-3 py-2">Parca Adi</th>
-              <th className="px-3 py-2">OEM Kodu</th>
-              <th className="px-3 py-2 w-14 text-center">Adet</th>
-              <th className="px-3 py-2">Pozisyon</th>
-              {hasPrices && <th className="px-3 py-2 text-right">Fiyat</th>}
-            </tr>
-          </thead>
-          <tbody>
-            {parts.map((part) => {
-              const group = part.hotspotIndex;
-              const isHighlighted = group != null && highlightedGroup === group;
-              const isSelected = group != null && selectedGroup === group;
+        {parts.length === 0 ? (
+          <div className="flex flex-col items-center justify-center gap-4 py-12 text-center text-sm text-muted-foreground">
+            <p>Bu kategori icin parca bulunamadi.</p>
+            <Button type="button" variant="outline" onClick={() => window.history.back()}>
+              Geri don
+            </Button>
+          </div>
+        ) : (
+          <table className="w-full text-sm">
+            <thead className="sticky top-0 z-10 bg-background">
+              <tr className="border-b border-border text-left text-xs font-medium text-muted-foreground">
+                <th className="px-3 py-2 w-10">#</th>
+                <th className="px-3 py-2">Parca Adi</th>
+                <th className="px-3 py-2">OEM Kodu</th>
+                <th className="px-3 py-2 w-14 text-center">Adet</th>
+                <th className="px-3 py-2">Pozisyon</th>
+                {hasPrices && <th className="px-3 py-2 text-right">Fiyat</th>}
+              </tr>
+            </thead>
+            <tbody>
+              {parts.map((part) => {
+                const group = part.hotspotIndex;
+                const isHighlighted = group != null && highlightedGroup === group;
+                const isSelected = group != null && selectedGroup === group;
+                const isUnavailable = part.unavailable === true;
 
-              return (
-                <tr
-                  key={part.id}
-                  data-faro-user-action-name="select-part"
-                  ref={(el) => {
-                    if (group == null || !el) return;
-                    const availableIds = availableByGroup.get(group);
-                    if (availableIds?.length === 1) {
-                      // Single available part — scroll directly to it
-                      if (part.id === availableIds[0]) {
+                return (
+                  <tr
+                    key={part.id}
+                    data-faro-user-action-name="select-part"
+                    aria-disabled={isUnavailable ? "true" : undefined}
+                    role={isUnavailable ? undefined : "button"}
+                    tabIndex={isUnavailable ? -1 : 0}
+                    ref={(el) => {
+                      if (group == null || !el) return;
+                      const availableIds = availableByGroup.get(group);
+                      if (availableIds?.length === 1) {
+                        // Single available part — scroll directly to it
+                        if (part.id === availableIds[0]) {
+                          rowRefs.current.set(group, el);
+                        }
+                      } else if (!rowRefs.current.has(group)) {
+                        // Multiple or zero available — first part in group
                         rowRefs.current.set(group, el);
                       }
-                    } else if (!rowRefs.current.has(group)) {
-                      // Multiple or zero available — first part in group
-                      rowRefs.current.set(group, el);
-                    }
-                  }}
-                  className={cn(
-                    "cursor-pointer border-b border-border/50 transition-colors duration-150",
-                    part.unavailable && "opacity-40",
-                    isSelected && "bg-primary/10 ring-1 ring-inset ring-primary/20",
-                    isHighlighted && !isSelected && "bg-accent",
-                    !isSelected && !isHighlighted && "hover:bg-accent/50",
-                  )}
-                  onMouseEnter={() => setHighlightedGroup(group)}
-                  onMouseLeave={() => setHighlightedGroup(null)}
-                  onClick={() => setSelectedGroup(selectedGroup === group ? null : group)}
-                  onKeyDown={(e) => {
-                    if (e.key === "Enter" || e.key === " ") {
-                      e.preventDefault();
-                      setSelectedGroup(selectedGroup === group ? null : group);
-                    }
-                  }}
-                >
-                  <td className="px-3 py-2 text-muted-foreground">{part.hotspotIndex}</td>
-                  <td className="px-3 py-2">
-                    <span className="font-medium">{part.name}</span>
-                    {(part.remark || part.modelCodes) && (
-                      <span className="block text-xs text-muted-foreground">
-                        {[part.remark, part.modelCodes].filter(Boolean).join(" · ")}
-                      </span>
+                    }}
+                    className={cn(
+                      "border-b border-border/50 transition-colors duration-150",
+                      !isUnavailable && "cursor-pointer",
+                      isUnavailable && "opacity-40",
+                      isSelected && "bg-primary/10 ring-1 ring-inset ring-primary/20",
+                      isHighlighted && !isSelected && "bg-accent",
+                      !isUnavailable && !isSelected && !isHighlighted && "hover:bg-accent/50",
                     )}
-                  </td>
-                  <td className="px-3 py-2 font-mono text-xs">
-                    <span className="inline-flex items-center gap-1">
-                      {part.oemCode && (
-                        <button
-                          type="button"
-                          className="inline-flex shrink-0 items-center justify-center rounded p-0.5 text-muted-foreground hover:text-foreground"
-                          onClick={(e) => copyOemCode(e, part.id, part.oemCode)}
-                        >
-                          {copiedId === part.id ? (
-                            <Check className="size-3.5 text-green-500" />
-                          ) : (
-                            <Copy className="size-3.5" />
-                          )}
-                        </button>
+                    onMouseEnter={isUnavailable ? undefined : () => setHighlightedGroup(group)}
+                    onMouseLeave={isUnavailable ? undefined : () => setHighlightedGroup(null)}
+                    onClick={
+                      isUnavailable
+                        ? undefined
+                        : () => setSelectedGroup(selectedGroup === group ? null : group)
+                    }
+                    onKeyDown={
+                      isUnavailable
+                        ? undefined
+                        : (e) => {
+                            if (e.key === "Enter" || e.key === " ") {
+                              e.preventDefault();
+                              setSelectedGroup(selectedGroup === group ? null : group);
+                            }
+                          }
+                    }
+                  >
+                    <td className="px-3 py-2 text-muted-foreground">{part.hotspotIndex}</td>
+                    <td className="px-3 py-2">
+                      <span className="font-medium">{part.name}</span>
+                      {(part.remark || part.modelCodes) && (
+                        <span className="block text-xs text-muted-foreground">
+                          {[part.remark, part.modelCodes].filter(Boolean).join(" · ")}
+                        </span>
                       )}
-                      {part.oemCode}
-                    </span>
-                  </td>
-                  <td className="px-3 py-2 text-center">{part.quantity}</td>
-                  <td className="px-3 py-2 text-muted-foreground">{part.position}</td>
-                  {hasPrices && (
-                    <td className="px-3 py-2 text-right text-xs">
-                      {part.price != null
-                        ? new Intl.NumberFormat("de-DE", {
-                            style: "currency",
-                            currency: part.currency ?? "EUR",
-                          }).format(part.price)
-                        : "—"}
                     </td>
-                  )}
-                </tr>
-              );
-            })}
-          </tbody>
-        </table>
-
-        {parts.length === 0 && (
-          <div className="flex items-center justify-center py-12 text-sm text-muted-foreground">
-            Bu kategori icin parca bulunamadi.
-          </div>
+                    <td className="px-3 py-2 font-mono text-xs">
+                      <span className="inline-flex items-center gap-1">
+                        {part.oemCode && (
+                          <button
+                            type="button"
+                            className="inline-flex shrink-0 items-center justify-center rounded p-0.5 text-muted-foreground hover:text-foreground"
+                            onClick={(e) => copyOemCode(e, part.id, part.oemCode)}
+                          >
+                            {copiedId === part.id ? (
+                              <Check className="size-3.5 text-green-500" />
+                            ) : (
+                              <Copy className="size-3.5" />
+                            )}
+                          </button>
+                        )}
+                        {part.oemCode}
+                      </span>
+                    </td>
+                    <td className="px-3 py-2 text-center">{part.quantity}</td>
+                    <td className="px-3 py-2 text-muted-foreground">{part.position}</td>
+                    {hasPrices && (
+                      <td className="px-3 py-2 text-right text-xs">
+                        {part.price != null
+                          ? new Intl.NumberFormat("de-DE", {
+                              style: "currency",
+                              currency: part.currency ?? "EUR",
+                            }).format(part.price)
+                          : "—"}
+                      </td>
+                    )}
+                  </tr>
+                );
+              })}
+            </tbody>
+          </table>
         )}
       </div>
     </div>

apps/web/src/components/schema/schema-viewer.tsx

@@ -85,6 +85,28 @@ export function SchemaViewer({
     );
   }
 
+  // PL24 "bomOverviewlist" widget pages (PR-code-filtered overviews) return
+  // parts but no illustration. Drop the schema panel entirely in that case
+  // so the parts list takes full width instead of staring at a sad fallback.
+  if (!schemaPic) {
+    return (
+      <div
+        ref={containerRef}
+        className={cn(
+          "rounded-lg border border-border bg-background",
+          isFullscreen ? "fixed inset-0 z-50 rounded-none" : "md:h-[700px]",
+        )}
+      >
+        <PartsPanel
+          parts={parts}
+          vehicleId={vehicleId}
+          categoryId={categoryId}
+          isLoading={isLoading}
+        />
+      </div>
+    );
+  }
+
   return (
     <div
       ref={containerRef}
@@ -112,44 +134,43 @@ export function SchemaViewer({
           onTouchMove={interaction.onTouchMove}
           onTouchEnd={interaction.onTouchEnd}
         >
-          {schemaPic ? (
-            <div
-              className="absolute inset-0 flex items-center justify-center"
-              style={{
-                transform: `scale(${zoom}) translate(${panX / zoom}px, ${panY / zoom}px)`,
-                transformOrigin: "center center",
-                willChange: "transform",
-              }}
-            >
-              <div className="relative">
-                <img
-                  src={schemaPic.url}
-                  alt={schemaPic.label || "Şema görüntüsü"}
-                  width={schemaPic.width > 0 ? schemaPic.width : undefined}
-                  height={schemaPic.height > 0 ? schemaPic.height : undefined}
-                  className="max-h-full max-w-full select-none object-contain"
-                  draggable={false}
+          <div
+            className="absolute inset-0 flex items-center justify-center"
+            style={{
+              transform: `scale(${zoom}) translate(${panX / zoom}px, ${panY / zoom}px)`,
+              transformOrigin: "center center",
+              willChange: "transform",
+            }}
+          >
+            <div className="relative">
+              <img
+                src={schemaPic.url}
+                alt={schemaPic.label || "Şema görüntüsü"}
+                width={schemaPic.width > 0 ? schemaPic.width : undefined}
+                height={schemaPic.height > 0 ? schemaPic.height : undefined}
+                className="max-h-full max-w-full select-none object-contain"
+                draggable={false}
+              />
+              {schemaPic.width > 0 && schemaPic.height > 0 && (
+                <HotspotOverlay
+                  hotspots={hotspots}
+                  imageWidth={schemaPic.width}
+                  imageHeight={schemaPic.height}
                 />
-                {schemaPic.width > 0 && schemaPic.height > 0 && (
-                  <HotspotOverlay
-                    hotspots={hotspots}
-                    imageWidth={schemaPic.width}
-                    imageHeight={schemaPic.height}
-                  />
-                )}
-              </div>
+              )}
             </div>
-          ) : (
-            <div className="flex h-full items-center justify-center text-sm text-muted-foreground">
-              Sema goruntusu bulunamadi
-            </div>
-          )}
+          </div>
         </div>
       </div>
 
       {/* Right side: Parts panel (40%) */}
       <div className="max-h-[500px] w-full md:max-h-none md:w-[40%]">
-        <PartsPanel parts={parts} vehicleId={vehicleId} categoryId={categoryId} />
+        <PartsPanel
+          parts={parts}
+          vehicleId={vehicleId}
+          categoryId={categoryId}
+          isLoading={isLoading}
+        />
       </div>
     </div>
   );

apps/web/src/messages/en.json

@@ -466,5 +466,8 @@
     "tr": "Türkçe",
     "en": "English",
     "switchLanguage": "Switch Language"
+  },
+  "categories": {
+    "root": "Root"
   }
 }

apps/web/src/messages/tr.json

@@ -466,5 +466,8 @@
     "tr": "Türkçe",
     "en": "English",
     "switchLanguage": "Dil Değiştir"
+  },
+  "categories": {
+    "root": "Kök"
   }
 }