From 2d665fab662119d306ef21be886c5001b5c868ac Mon Sep 17 00:00:00 2001
From: Oscar <khamitov_oskar@alfabit.org>
Date: Thu, 4 Jun 2026 13:58:24 +0300
Subject: [PATCH] upd

---
 .claude/settings.json                  |  5 ++
 backend/src/routes/items.ts            |  2 +
 backend/src/services/itemsStore.ts     | 51 +++++++++++---
 frontend/app/components/LeftPanel.vue  | 25 ++++---
 frontend/app/components/RightPanel.vue | 95 ++++++++++++++++++++------
 frontend/app/composables/useItems.ts   | 46 ++++++++++---
 frontend/app/services/api.ts           |  1 +
 7 files changed, 174 insertions(+), 51 deletions(-)
 create mode 100644 .claude/settings.json

diff --git a/.claude/settings.json b/.claude/settings.json
new file mode 100644
index 0000000..49907f5
--- /dev/null
+++ b/.claude/settings.json
@@ -0,0 +1,5 @@
+{
+    "permissions": {
+        "defaultMode": "bypassPermissions"
+    }
+}
\ No newline at end of file
diff --git a/backend/src/routes/items.ts b/backend/src/routes/items.ts
index 6445bd0..518863b 100644
--- a/backend/src/routes/items.ts
+++ b/backend/src/routes/items.ts
@@ -13,6 +13,8 @@ export const itemsRouter = Router()
  *       properties:
  *         id:
  *           type: integer
+ *         value:
+ *           type: string
  *     PaginatedItems:
  *       type: object
  *       properties:
diff --git a/backend/src/services/itemsStore.ts b/backend/src/services/itemsStore.ts
index 32ec704..e398ebb 100644
--- a/backend/src/services/itemsStore.ts
+++ b/backend/src/services/itemsStore.ts
@@ -1,28 +1,54 @@
+export interface Item {
+  id: number
+  value: string
+}
+
 export interface PaginatedResult {
-  data: { id: number }[]
+  data: Item[]
   total: number
   page: number
   limit: number
   hasMore: boolean
 }
 
-const allItems: number[] = Array.from({ length: 1_000_000 }, (_, i) => i + 1)
+const CHARS = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
+
+function randomString(): string {
+  const len = 6 + Math.floor(Math.random() * 7)
+  let result = ''
+  for (let i = 0; i < len; i++) {
+    result += CHARS[Math.floor(Math.random() * CHARS.length)]
+  }
+  return result
+}
+
+const itemsById = new Map<number, string>()
+const allItemsOrder: number[] = []
+
+for (let i = 1; i <= 1_000_000; i++) {
+  itemsById.set(i, randomString())
+  allItemsOrder.push(i)
+}
+
 const selectedIds = new Set<number>()
 const orderedSelected: number[] = []
 
 export function getItems(page: number, limit: number, search?: string): PaginatedResult {
   let filtered: number[]
   if (search) {
-    filtered = allItems.filter(id => !selectedIds.has(id) && String(id).includes(search))
+    const s = search.toLowerCase()
+    filtered = allItemsOrder.filter(
+      id => !selectedIds.has(id) && (String(id).includes(search) || itemsById.get(id)!.toLowerCase().includes(s)),
+    )
   }
   else {
-    filtered = allItems.filter(id => !selectedIds.has(id))
+    filtered = allItemsOrder.filter(id => !selectedIds.has(id))
   }
   const total = filtered.length
   const start = (page - 1) * limit
   const slice = filtered.slice(start, start + limit)
   return {
-    data: slice.map(id => ({ id })),
+    data: slice.map(id => ({ id, value: itemsById.get(id)! })),
     total,
     page,
     limit,
@@ -33,7 +59,11 @@ export function getItems(page: number, limit: number, search?: string): Paginate
 export function getSelectedItems(page: number, limit: number, search?: string): PaginatedResult {
   let filtered: number[]
   if (search) {
-    filtered = orderedSelected.filter(id => String(id).includes(search))
+    const s = search.toLowerCase()
+    filtered = orderedSelected.filter((id) => {
+      const value = itemsById.get(id)!
+      return String(id).includes(search) || value.toLowerCase().includes(s)
+    })
   }
   else {
     filtered = [...orderedSelected]
@@ -42,7 +72,7 @@ export function getSelectedItems(page: number, limit: number, search?: string):
   const start = (page - 1) * limit
   const slice = filtered.slice(start, start + limit)
   return {
-    data: slice.map(id => ({ id })),
+    data: slice.map(id => ({ id, value: itemsById.get(id)! })),
     total,
     page,
     limit,
@@ -51,13 +81,14 @@ export function getSelectedItems(page: number, limit: number, search?: string):
 }
 
 export function addItem(id: number): boolean {
-  if (allItems.includes(id) || selectedIds.has(id)) return false
-  allItems.push(id)
+  if (itemsById.has(id)) return false
+  itemsById.set(id, randomString())
+  allItemsOrder.push(id)
   return true
 }
 
 export function selectItem(id: number): boolean {
-  if (selectedIds.has(id)) return false
+  if (selectedIds.has(id) || !itemsById.has(id)) return false
   selectedIds.add(id)
   orderedSelected.push(id)
   return true
diff --git a/frontend/app/components/LeftPanel.vue b/frontend/app/components/LeftPanel.vue
index 6406bec..dc05e83 100644
--- a/frontend/app/components/LeftPanel.vue
+++ b/frontend/app/components/LeftPanel.vue
@@ -25,7 +25,7 @@
         <input
           class="search-input"
           type="text"
-          placeholder="Search by ID..."
+          placeholder="Search..."
           :value="search"
           @input="onSearchInput"
         >
@@ -40,7 +40,8 @@
           class="item-row"
           :style="{ '--i': Math.min(index, 14) }"
         >
-          <span class="item-id">{{ item.id }}</span>
+          <span class="item-id">#{{ item.id }}</span>
+          <span class="item-value">{{ item.value }}</span>
           <button class="action-btn" title="Move to selected" @click="emit('select', item.id!)">
             <svg width="14" height="14" viewBox="0 0 14 14" fill="none" aria-hidden="true">
               <path d="M2.5 7H11.5M8.5 3.5L12 7L8.5 10.5" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round" />
@@ -339,7 +340,7 @@ function submitAdd() {
 .item-row {
   display: flex;
   align-items: center;
-  justify-content: space-between;
+  gap: 10px;
   padding: 9px 12px 9px 20px;
   border-bottom: 1px solid var(--border);
   animation: item-in 350ms cubic-bezier(0.16, 1, 0.3, 1) both;
@@ -356,15 +357,21 @@ function submitAdd() {
 }
 
 .item-id {
+  font-family: var(--font-mono);
+  font-size: 0.72rem;
+  color: var(--text-muted);
+  flex-shrink: 0;
+  min-width: 44px;
+}
+
+.item-value {
+  flex: 1;
   font-family: var(--font-mono);
   font-size: 0.8rem;
   color: var(--text-primary);
-
-  &::before {
-    content: '#';
-    color: var(--text-muted);
-    margin-right: 1px;
-  }
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
 }
 
 .action-btn {
diff --git a/frontend/app/components/RightPanel.vue b/frontend/app/components/RightPanel.vue
index 2561e87..ea54f71 100644
--- a/frontend/app/components/RightPanel.vue
+++ b/frontend/app/components/RightPanel.vue
@@ -17,20 +17,21 @@
         <input
           class="search-input"
           type="text"
-          placeholder="Search by ID..."
+          placeholder="Search..."
           :value="search"
           @input="onSearchInput"
         >
       </div>
     </div>
 
-    <div class="panel-body">
+    <div ref="panelBody" class="panel-body">
       <VueDraggableNext
         v-model="localItems"
         tag="ul"
         class="item-list"
         handle=".drag-handle"
-        @end="onDragEnd"
+        @start="onDragStarted"
+        @end="onDragEndFull"
       >
         <li
           v-for="(item, index) in localItems"
@@ -48,8 +49,8 @@
               <circle cx="6" cy="10" r="1.2" />
             </svg>
           </span>
-          <!--          <span class="item-order">{{ index + 1 }}</span> -->
-          <span class="item-id">{{ item.id }}</span>
+          <span class="item-id">#{{ item.id }}</span>
+          <span class="item-value">{{ item.value }}</span>
           <button class="action-btn" title="Remove from selected" @click="emit('deselect', item.id!)">
             <svg width="14" height="14" viewBox="0 0 14 14" fill="none" aria-hidden="true">
               <path d="M11.5 7H2.5M5.5 3.5L2 7L5.5 10.5" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round" />
@@ -92,6 +93,7 @@ const emit = defineEmits<{
 }>()
 
 const sentinel = ref<HTMLElement | null>(null)
+const panelBody = ref<HTMLElement | null>(null)
 let observer: IntersectionObserver | null = null
 
 watch(sentinel, (el) => {
@@ -109,10 +111,67 @@ watch(sentinel, (el) => {
   }
 })
 
+// ── Auto-scroll during drag ──────────────────────────────────────────────────
+
+const SCROLL_ZONE = 80
+const SCROLL_MAX_SPEED = 12
+
+let isDragging = false
+let scrollSpeed = 0
+let scrollRafId: number | null = null
+
+function scrollLoop() {
+  if (!isDragging || !panelBody.value) {
+    scrollRafId = null
+    return
+  }
+  if (scrollSpeed !== 0) {
+    panelBody.value.scrollTop += scrollSpeed
+  }
+  scrollRafId = requestAnimationFrame(scrollLoop)
+}
+
+function onPointerMoveDrag(e: PointerEvent) {
+  if (!isDragging || !panelBody.value) return
+  const rect = panelBody.value.getBoundingClientRect()
+  const y = e.clientY - rect.top
+  if (y >= 0 && y < SCROLL_ZONE) {
+    scrollSpeed = -((SCROLL_ZONE - y) / SCROLL_ZONE) * SCROLL_MAX_SPEED
+  }
+  else {
+    scrollSpeed = 0
+  }
+}
+
+function onDragStarted() {
+  isDragging = true
+  scrollSpeed = 0
+  document.addEventListener('pointermove', onPointerMoveDrag)
+  scrollRafId = requestAnimationFrame(scrollLoop)
+}
+
+function onDragEndFull(event: { oldIndex: number, newIndex: number }): void {
+  isDragging = false
+  scrollSpeed = 0
+  document.removeEventListener('pointermove', onPointerMoveDrag)
+  if (scrollRafId !== null) {
+    cancelAnimationFrame(scrollRafId)
+    scrollRafId = null
+  }
+  const moved = localItems.value[event.newIndex]
+  if (!moved) return
+  const after = event.newIndex > 0 ? localItems.value[event.newIndex - 1] : null
+  emit('reorder', moved.id!, after?.id ?? null)
+}
+
 onUnmounted(() => {
   observer?.disconnect()
+  document.removeEventListener('pointermove', onPointerMoveDrag)
+  if (scrollRafId !== null) cancelAnimationFrame(scrollRafId)
 })
 
+// ── Search ───────────────────────────────────────────────────────────────────
+
 let debounceTimer: ReturnType<typeof setTimeout> | null = null
 
 function onSearchInput(e: Event) {
@@ -124,17 +183,13 @@ function onSearchInput(e: Event) {
   }, 300)
 }
 
+// ── Local items for drag-and-drop ────────────────────────────────────────────
+
 const localItems = ref([...props.items])
 
 watch(() => props.items, (val) => {
   localItems.value = [...val]
 }, { deep: true })
-
-function onDragEnd(event: { oldIndex: number, newIndex: number }): void {
-  const moved = localItems.value[event.newIndex]
-  const after = event.newIndex > 0 ? localItems.value[event.newIndex - 1] : null
-  emit('reorder', moved.id!, after?.id ?? null)
-}
 </script>
 
 <style scoped lang="scss">
@@ -296,26 +351,22 @@ function onDragEnd(event: { oldIndex: number, newIndex: number }): void {
   }
 }
 
-.item-order {
+.item-id {
   font-family: var(--font-mono);
-  font-size: 0.68rem;
+  font-size: 0.72rem;
   color: var(--text-muted);
-  min-width: 18px;
-  text-align: right;
   flex-shrink: 0;
+  min-width: 44px;
 }
 
-.item-id {
+.item-value {
   flex: 1;
   font-family: var(--font-mono);
   font-size: 0.8rem;
   color: var(--text-primary);
-
-  &::before {
-    content: '#';
-    color: var(--text-muted);
-    margin-right: 1px;
-  }
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
 }
 
 .action-btn {
diff --git a/frontend/app/composables/useItems.ts b/frontend/app/composables/useItems.ts
index c74c1e1..67db9f2 100644
--- a/frontend/app/composables/useItems.ts
+++ b/frontend/app/composables/useItems.ts
@@ -21,12 +21,25 @@ export function useItems() {
 
   async function fetchLeft(reset = false): Promise<void> {
     if (reset) {
-      leftPage.value = 1
-      leftItems.value = []
-      leftHasMore.value = true
-    }
-    if (!leftHasMore.value || leftLoading.value)
+      if (leftLoading.value) return
+      leftLoading.value = true
+      try {
+        const data = await client.api.itemsList({
+          page: 1,
+          limit: 20,
+          ...(leftSearch.value ? { search: leftSearch.value } : {}),
+        })
+        leftItems.value = [...(data.data ?? [])]
+        leftHasMore.value = data.hasMore ?? false
+        leftItemsTotal.value = data.total || 0
+        leftPage.value = 2
+      }
+      finally {
+        leftLoading.value = false
+      }
       return
+    }
+    if (!leftHasMore.value || leftLoading.value) return
     leftLoading.value = true
     try {
       const data = await client.api.itemsList({
@@ -46,12 +59,25 @@ export function useItems() {
 
   async function fetchRight(reset = false): Promise<void> {
     if (reset) {
-      rightPage.value = 1
-      rightItems.value = []
-      rightHasMore.value = true
-    }
-    if (!rightHasMore.value || rightLoading.value)
+      if (rightLoading.value) return
+      rightLoading.value = true
+      try {
+        const data = await client.api.itemsSelectedList({
+          page: 1,
+          limit: 20,
+          ...(rightSearch.value ? { search: rightSearch.value } : {}),
+        })
+        rightItems.value = [...(data.data ?? [])]
+        rightHasMore.value = data.hasMore ?? false
+        rightItemsTotal.value = data.total || 0
+        rightPage.value = 2
+      }
+      finally {
+        rightLoading.value = false
+      }
       return
+    }
+    if (!rightHasMore.value || rightLoading.value) return
     rightLoading.value = true
     try {
       const data = await client.api.itemsSelectedList({
diff --git a/frontend/app/services/api.ts b/frontend/app/services/api.ts
index f168c84..dce11ca 100644
--- a/frontend/app/services/api.ts
+++ b/frontend/app/services/api.ts
@@ -12,6 +12,7 @@
 
 export interface Item {
   id?: number;
+  value?: string;
 }
 
 export interface PaginatedItems {