remove patch file

Since the inventory is mostly containing enginge oils, which are sold per liter, the default unit for a new part is set to liter

.gitignore

@@ -12,3 +12,5 @@ backups/
 *.sw?
 .session.vim
 .claude/settings.local.json
+*~
+/*.bat

deploy/install.bat

@@ -6,16 +6,6 @@ chcp 65001 >nul
 setlocal
 cd /d "%~dp0"
 
-if exist "%ProgramFiles%\nodejs\node.exe" (
-  echo Node.js уже установлен в %ProgramFiles%\nodejs.
-  echo Пропускаем установку.
-  goto :done
-)
-if exist "%ProgramFiles(x86)%\nodejs\node.exe" (
-  echo Node.js уже установлен в %ProgramFiles(x86)%\nodejs.
-  echo Пропускаем установку.
-  goto :done
-)
 
 set "MSI=node-v16.20.2-x64.msi"
 if /i "%PROCESSOR_ARCHITECTURE%"=="x86" if not defined PROCESSOR_ARCHITEW6432 set "MSI=node-v16.20.2-x86.msi"

src/lib/i18n/en.json

@@ -42,7 +42,7 @@
   },
   "dashboard": {
     "title": "Dashboard",
-    "total_skus": "Total SKUs",
+    "total_skus": "Total parts",
     "low_stock": "At or below reorder level",
     "inventory_value": "Inventory value (at cost)",
     "low_stock_list": "Low stock",
@@ -68,11 +68,12 @@
     "location": "Location",
     "barcode": "Barcode",
     "active": "Active",
-    "search_placeholder": "Search by SKU, name, or barcode…",
+    "search_placeholder": "Search by name or barcode…",
     "no_results": "No parts match your search.",
     "all": "All",
     "recent_movements": "Recent movements",
     "initial_quantity": "Initial quantity",
+    "delete_confirm": "Deactivate part \"{name}\"? It will be hidden from lists, but movements and counts will be kept.",
     "errors": {
       "sku_required": "SKU is required.",
       "name_required": "At least one name (English or Tajik) is required.",
@@ -142,10 +143,9 @@
     "this_month": "This month",
     "all_time": "All time",
     "invoices": "invoices",
-    "active_skus": "Active SKUs",
+    "active_skus": "Active parts",
     "units_on_hand": "Units on hand",
     "cost_value": "Value (at cost)",
-    "sale_value": "Value (at sale)",
     "low_stock": "Low stock",
     "out_of_stock": "Out of stock",
     "top_parts": "Top selling parts",

src/lib/i18n/store.js

@@ -85,3 +85,20 @@ export function formatMoney(dirams, lang = 'en') {
   const s = n.toFixed(2);
   return lang === 'tg' ? s.replace('.', ',') : s;
 }
+
+export function formatTs(utcStr) {
+  if (!utcStr) return '';
+
+  const normalized = String(utcStr).trim().replace(' ', 'T');
+  const utcDate = new Date(`${normalized}Z`);
+  if (Number.isNaN(utcDate.getTime())) return utcStr;
+
+  const tajikDate = new Date(utcDate.getTime() + 5 * 60 * 60 * 1000);
+  const pad = (n) => String(n).padStart(2, '0');
+
+  return [
+    pad(tajikDate.getUTCDate()),
+    pad(tajikDate.getUTCMonth() + 1),
+    tajikDate.getUTCFullYear()
+  ].join('.') + ` ${pad(tajikDate.getUTCHours())}:${pad(tajikDate.getUTCMinutes())}`;
+}

src/lib/i18n/tg.json

@@ -42,7 +42,7 @@
   },
   "dashboard": {
     "title": "Лавҳаи асосӣ",
-    "total_skus": "Ҳамаи SKU-ҳо",
+    "total_skus": "Ҳамаи қисмҳо",
     "low_stock": "Дар сатҳи фармоиш ё камтар",
     "inventory_value": "Арзиши захира (бо нархи харид)",
     "low_stock_list": "Захираи кам",
@@ -68,11 +68,12 @@
     "location": "Ҷой",
     "barcode": "Штрих-код",
     "active": "Фаъол",
-    "search_placeholder": "Ҷустуҷӯ аз рӯи SKU, ном ё штрих-код…",
+    "search_placeholder": "Ҷустуҷӯ аз рӯи ном ё штрих-код…",
     "no_results": "Ҳеҷ қисм мувофиқат намекунад.",
     "all": "Ҳама",
     "recent_movements": "Ҳаракатҳои охирин",
     "initial_quantity": "Шумораи аввала",
+    "delete_confirm": "Қисми «{name}»-ро ғайрифаъол мекунед? Дар рӯйхатҳо нишон дода намешавад, аммо ҳаракатҳо ва ҳисобҳо боқӣ мемонанд.",
     "errors": {
       "sku_required": "SKU зарур аст.",
       "name_required": "Ҳадди ақалл як ном (англисӣ ё тоҷикӣ) зарур аст.",
@@ -142,10 +143,9 @@
     "this_month": "Ин моҳ",
     "all_time": "Тамоми давра",
     "invoices": "фактура",
-    "active_skus": "SKU-ҳои фаъол",
+    "active_skus": "Қисмҳои фаъол",
     "units_on_hand": "Дар анбор",
     "cost_value": "Арзиш (бо нархи харид)",
-    "sale_value": "Арзиш (бо нархи фурӯш)",
     "low_stock": "Захираи кам",
     "out_of_stock": "Тамом шуд",
     "top_parts": "Қисмҳои серфурӯш",

src/lib/server/parts.js

@@ -1,20 +1,21 @@
+import { randomUUID } from 'node:crypto';
 import { getDb } from './db.js';
 
 // Columns the user can sort the parts list by. Anything else is ignored.
 const SORTABLE = new Set([
-  'sku', 'name_en', 'name_tg', 'quantity_on_hand',
+  'name_en', 'name_tg', 'quantity_on_hand',
   'sale_price', 'cost_price', 'reorder_level', 'updated_at'
 ]);
 
-export function listParts({ q = '', sort = 'sku', dir = 'asc', categoryIds = [] } = {}) {
+export function listParts({ q = '', sort = 'name_en', dir = 'asc', categoryIds = [] } = {}) {
   const db = getDb();
-  const col = SORTABLE.has(sort) ? sort : 'sku';
+  const col = SORTABLE.has(sort) ? sort : 'name_en';
   const order = dir === 'desc' ? 'DESC' : 'ASC';
 
-  const where = [];
+  const where = ['p.active = 1'];
   const params = {};
   if (q && q.trim()) {
-    where.push(`(p.sku LIKE @q OR p.name_en LIKE @q OR p.name_tg LIKE @q OR p.barcode LIKE @q)`);
+    where.push(`(p.name_en LIKE @q OR p.name_tg LIKE @q OR p.barcode LIKE @q)`);
     params.q = `%${q.trim()}%`;
   }
   if (categoryIds && categoryIds.length) {
@@ -22,7 +23,7 @@ export function listParts({ q = '', sort = 'sku', dir = 'asc', categoryIds = []
     where.push(`p.category_id IN (${placeholders})`);
     categoryIds.forEach((id, i) => { params[`cat${i}`] = id; });
   }
-  const whereSql = where.length ? `WHERE ${where.join(' AND ')}` : '';
+  const whereSql = `WHERE ${where.join(' AND ')}`;
 
   const sql = `
     SELECT p.*, c.name_en AS category_name_en, c.name_tg AS category_name_tg
@@ -59,6 +60,7 @@ export function categoriesWithParts() {
   return getDb().prepare(`
     SELECT c.* FROM categories c
     JOIN parts p ON p.category_id = c.id
+    WHERE p.active = 1
     GROUP BY c.id
     ORDER BY c.sort_order, c.name_en
   `).all();
@@ -66,7 +68,7 @@ export function categoriesWithParts() {
 
 export function createPart(input) {
   const db = getDb();
-  const stmt = db.prepare(`
+  const insertStmt = db.prepare(`
     INSERT INTO parts
       (sku, name_en, name_tg, description_en, description_tg,
        category_id, unit, cost_price, sale_price,
@@ -76,15 +78,28 @@ export function createPart(input) {
        @category_id, @unit, @cost_price, @sale_price,
        @quantity_on_hand, @reorder_level, @location, @barcode, @active)
   `);
-  const result = stmt.run(normalizePart(input));
-  return result.lastInsertRowid;
+  const stampStmt = db.prepare(`UPDATE parts SET sku = 'SKU-' || id WHERE id = ?`);
+
+  // SKU is hidden from the UI; the user never types one. The column is still
+  // NOT NULL UNIQUE, so insert with a uuid placeholder and rewrite to SKU-{id}
+  // once we know the row id.
+  const tx = db.transaction((data) => {
+    const userSku = (data.sku || '').trim();
+    const sku = userSku || `__pending__${randomUUID()}`;
+    const result = insertStmt.run({ ...data, sku });
+    const id = result.lastInsertRowid;
+    if (!userSku) stampStmt.run(id);
+    return id;
+  });
+  return tx(normalizePart(input));
 }
 
 export function updatePart(id, input) {
   const db = getDb();
+  // SKU is intentionally NOT updated here — it's hidden from the UI and frozen
+  // after creation (auto-stamped as `SKU-{id}` in createPart).
   const stmt = db.prepare(`
     UPDATE parts SET
-      sku             = @sku,
       name_en         = @name_en,
       name_tg         = @name_tg,
       description_en  = @description_en,
@@ -132,11 +147,17 @@ function toDirams(value) {
   return Math.round(num * 100);
 }
 
+export function deactivatePart(id) {
+  getDb()
+    .prepare(`UPDATE parts SET active = 0, updated_at = datetime('now') WHERE id = ?`)
+    .run(Number(id));
+}
+
 export function lowStockParts(limit = 10) {
   return getDb().prepare(`
     SELECT * FROM parts
     WHERE active = 1 AND quantity_on_hand <= reorder_level
-    ORDER BY (quantity_on_hand - reorder_level) ASC, sku ASC
+    ORDER BY (quantity_on_hand - reorder_level) ASC, name_en ASC
     LIMIT ?
   `).all(limit);
 }

src/lib/server/reports.js

@@ -1,6 +1,6 @@
 import { getDb } from './db.js';
 
-// All time windows are computed in local time using SQLite's `datetime('now', 'localtime')`.
+// All time windows are computed in Tajikistan time (UTC+5) while timestamps are stored as UTC.
 // Cost of goods (COG) and profit are computed against each part's current cost_price —
 // the schema does not snapshot cost at sale time, so historical cost changes are not
 // reflected. Custom (non-inventory) lines contribute to sale revenue but have zero COG.
@@ -29,9 +29,9 @@ function windowStats(dateClause) {
 export function salesSummary() {
   return {
     all_time: windowStats(''),
-    today: windowStats(`date(saved_at, 'localtime') = date('now', 'localtime')`),
-    week: windowStats(`date(saved_at, 'localtime') >= date('now', 'localtime', '-6 days')`),
-    month: windowStats(`strftime('%Y-%m', saved_at, 'localtime') = strftime('%Y-%m', 'now', 'localtime')`)
+    today: windowStats(`date(saved_at, '+5 hours') = date('now', '+5 hours')`),
+    week: windowStats(`date(saved_at, '+5 hours') >= date('now', '+5 hours', '-6 days')`),
+    month: windowStats(`strftime('%Y-%m', saved_at, '+5 hours') = strftime('%Y-%m', 'now', '+5 hours')`)
   };
 }
 

src/routes/+page.svelte

@@ -1,5 +1,5 @@
 <script>
-  import { locale, t, localized } from '$lib/i18n/store.js';
+  import { locale, t, localized, formatTs } from '$lib/i18n/store.js';
 
   export let data;
   $: lang = $locale;
@@ -15,7 +15,6 @@
   <table>
     <thead>
       <tr>
-        <th>{$t('parts.sku')}</th>
         <th>{$t('parts.name')}</th>
         <th class="num">{$t('parts.quantity_on_hand')}</th>
         <th class="num">{$t('parts.reorder_level')}</th>
@@ -24,8 +23,7 @@
     <tbody>
       {#each lowStock as p}
         <tr>
-          <td><a href="/parts/{p.id}">{p.sku}</a></td>
-          <td>{localized(p, 'name', lang)}</td>
+          <td><a href="/parts/{p.id}">{localized(p, 'name', lang)}</a></td>
           <td class="num"><span class="pill low">{p.quantity_on_hand}</span></td>
           <td class="num">{p.reorder_level}</td>
         </tr>
@@ -43,7 +41,6 @@
       <tr>
         <th>{$t('movements.created_at')}</th>
         <th>{$t('movements.type')}</th>
-        <th>{$t('parts.sku')}</th>
         <th>{$t('parts.name')}</th>
         <th class="num">{$t('movements.quantity')}</th>
       </tr>
@@ -51,10 +48,9 @@
     <tbody>
       {#each movements as m}
         <tr>
-          <td>{m.created_at}</td>
+          <td>{formatTs(m.created_at)}</td>
           <td><span class="pill">{$t('movements.type_' + m.movement_type)}</span></td>
-          <td><a href="/parts/{m.part_id}">{m.sku}</a></td>
-          <td>{localized(m, 'name', lang)}</td>
+          <td><a href="/parts/{m.part_id}">{localized(m, 'name', lang)}</a></td>
           <td class="num">{m.quantity}</td>
         </tr>
       {/each}

src/routes/admin/reports/+page.svelte

@@ -1,16 +1,10 @@
 <script>
-  import { locale, t, localized, formatMoney } from '$lib/i18n/store.js';
+  import { locale, t, localized, formatMoney, formatTs } from '$lib/i18n/store.js';
 
   export let data;
   $: lang = $locale;
   $: ({ sales, topParts, inventory, recentSales } = data);
 
-  function formatWhen(iso) {
-    if (!iso) return '';
-    const d = new Date(iso.replace(' ', 'T') + 'Z');
-    const pad = (n) => String(n).padStart(2, '0');
-    return `${d.getFullYear()}-${pad(d.getMonth() + 1)}-${pad(d.getDate())} ${pad(d.getHours())}:${pad(d.getMinutes())}`;
-  }
 </script>
 
 <h2>{$t('reports.sales_heading')}</h2>
@@ -56,13 +50,7 @@
       <span class="cur">{$t('common.currency_short')}</span>
     </div>
   </div>
-  <div class="card stat">
-    <div class="label">{$t('reports.sale_value')}</div>
-    <div class="value">
-      {formatMoney(inventory.sale_value_dirams, lang)}
-      <span class="cur">{$t('common.currency_short')}</span>
-    </div>
-  </div>
+  <div></div>
   <div class="card stat">
     <div class="label">{$t('reports.low_stock')}</div>
     <div class="value" class:warn={inventory.lowStockCount > 0}>{inventory.lowStockCount}</div>
@@ -80,7 +68,6 @@
   <table>
     <thead>
       <tr>
-        <th>{$t('parts.sku')}</th>
         <th>{$t('parts.name')}</th>
         <th class="num">{$t('reports.units_sold')}</th>
         <th class="num">{$t('reports.sale')}</th>
@@ -91,8 +78,7 @@
     <tbody>
       {#each topParts as p}
         <tr>
-          <td><a href="/parts/{p.id}">{p.sku}</a></td>
-          <td>{localized(p, 'name', lang)}</td>
+          <td><a href="/parts/{p.id}">{localized(p, 'name', lang)}</a></td>
           <td class="num">{p.units_sold}</td>
           <td class="num">
             {formatMoney(p.sale_dirams, lang)}
@@ -130,7 +116,7 @@
     <tbody>
       {#each recentSales as s}
         <tr>
-          <td>{formatWhen(s.saved_at)}</td>
+          <td>{formatTs(s.saved_at)}</td>
           <td class="num">{s.line_count}</td>
           <td class="num">
             {formatMoney(s.sale_dirams, lang)}

src/routes/invoices/[id]/+page.svelte

@@ -1,5 +1,5 @@
 <script>
-  import { locale, t, localized, formatMoney } from '$lib/i18n/store.js';
+  import { locale, t, localized, formatMoney, formatTs } from '$lib/i18n/store.js';
 
   export let data;
   $: lang = $locale;
@@ -7,7 +7,7 @@
 
   function lineLabel(line) {
     if (line.affects_inventory === 0) return line.label;
-    return `${line.part_sku} — ${localized({ name_en: line.part_name_en, name_tg: line.part_name_tg }, 'name', lang)}`;
+    return localized({ name_en: line.part_name_en, name_tg: line.part_name_tg }, 'name', lang);
   }
 </script>
 
@@ -15,7 +15,7 @@
   <header class="head">
     <div>
       <h1>{$t('invoices.saved_title')} #{invoice.id}</h1>
-      <p class="muted">{invoice.saved_at}</p>
+      <p class="muted">{formatTs(invoice.saved_at)}</p>
     </div>
     <a href="/invoices/new" class="print-hide back">← {$t('invoices.new_another')}</a>
   </header>

src/routes/invoices/new/+page.svelte

@@ -19,7 +19,6 @@
     const q = partSearch.trim().toLowerCase();
     if (!q) return parts;
     return parts.filter((p) =>
-      (p.sku || '').toLowerCase().includes(q) ||
       (p.name_en || '').toLowerCase().includes(q) ||
       (p.name_tg || '').toLowerCase().includes(q) ||
       (p.barcode || '').toLowerCase().includes(q)
@@ -59,7 +58,7 @@
 
   function lineLabel(line) {
     if (line.affects_inventory === 0) return line.label;
-    return `${line.part_sku} — ${localized({ name_en: line.part_name_en, name_tg: line.part_name_tg }, 'name', lang)}`;
+    return localized({ name_en: line.part_name_en, name_tg: line.part_name_tg }, 'name', lang);
   }
 
   function confirmCancel(event) {
@@ -88,7 +87,7 @@
             <option value="">—</option>
             {#each visibleParts as p}
               <option value={String(p.id)}>
-                {p.sku} — {localized(p, 'name', lang)} ({$t('parts.quantity_on_hand')}: {p.quantity_on_hand})
+                {localized(p, 'name', lang)} ({$t('parts.quantity_on_hand')}: {p.quantity_on_hand})
               </option>
             {/each}
           </select>

src/routes/movements/new/+page.svelte

@@ -21,7 +21,6 @@
     const q = partSearch.trim().toLowerCase();
     if (!q) return parts;
     return parts.filter((p) =>
-      (p.sku || '').toLowerCase().includes(q) ||
       (p.name_en || '').toLowerCase().includes(q) ||
       (p.name_tg || '').toLowerCase().includes(q) ||
       (p.barcode || '').toLowerCase().includes(q)
@@ -105,7 +104,7 @@
       <option value="">—</option>
       {#each visibleParts as p}
         <option value={String(p.id)}>
-          {p.sku} — {localized(p, 'name', lang)} ({$t('parts.quantity_on_hand')}: {p.quantity_on_hand})
+          {localized(p, 'name', lang)} ({$t('parts.quantity_on_hand')}: {p.quantity_on_hand})
         </option>
       {/each}
     </select>

src/routes/parts/+page.server.js

@@ -2,7 +2,7 @@ import { listParts, categoriesWithParts } from '$lib/server/parts.js';
 
 export function load({ url }) {
   const q    = url.searchParams.get('q')    ?? '';
-  const sort = url.searchParams.get('sort') ?? 'sku';
+  const sort = url.searchParams.get('sort') ?? 'name_en';
   const dir  = url.searchParams.get('dir')  ?? 'asc';
   const cat  = url.searchParams.get('category') ?? '';
   const categoryIds = cat

src/routes/parts/+page.svelte

@@ -15,7 +15,7 @@
     const params = new URLSearchParams();
     if (qNext) params.set('q', qNext);
     if (catsNext.length) params.set('category', catsNext.join(','));
-    if (sortNext && sortNext !== 'sku') params.set('sort', sortNext);
+    if (sortNext && sortNext !== 'name_en') params.set('sort', sortNext);
     if (dirNext && dirNext !== 'asc') params.set('dir', dirNext);
     const target = '/parts' + (params.toString() ? '?' + params.toString() : '');
     goto(target, { replaceState: true, keepFocus: true, noScroll: true });
@@ -99,7 +99,6 @@
   <table>
     <thead>
       <tr>
-        <th><button class="th-btn" on:click={() => sortBy('sku')}>{$t('parts.sku')} {arrow('sku')}</button></th>
         <th><button class="th-btn" on:click={() => sortBy(lang === 'tg' ? 'name_tg' : 'name_en')}>{$t('parts.name')} {arrow(lang === 'tg' ? 'name_tg' : 'name_en')}</button></th>
         <th>{$t('parts.category')}</th>
         <th class="num"><button class="th-btn" on:click={() => sortBy('quantity_on_hand')}>{$t('parts.quantity_on_hand')} {arrow('quantity_on_hand')}</button></th>
@@ -110,9 +109,8 @@
     <tbody>
       {#each parts as p}
         <tr>
-          <td><a href="/parts/{p.id}">{p.sku}</a></td>
           <td>
-            {localized(p, 'name', lang)}
+            <a href="/parts/{p.id}">{localized(p, 'name', lang)}</a>
             {#if !hasTranslation(p, 'name', lang)}
               <em class="missing">{$t('common.missing_translation')}</em>
             {/if}

src/routes/parts/[id]/+page.server.js

@@ -1,5 +1,5 @@
 import { error, fail, redirect } from '@sveltejs/kit';
-import { getPart, getPartBySku, listCategories, updatePart } from '$lib/server/parts.js';
+import { deactivatePart, getPart, listCategories, updatePart } from '$lib/server/parts.js';
 import { recentMovementsForPart } from '$lib/server/movements.js';
 
 export function load({ params }) {
@@ -14,21 +14,23 @@ export function load({ params }) {
 }
 
 export const actions = {
-  default: async ({ request, params }) => {
+  update: async ({ request, params }) => {
     const id = Number(params.id);
     const form = await request.formData();
     const data = Object.fromEntries(form);
 
     const errors = {};
-    if (!data.sku || !data.sku.trim()) errors.sku = 'parts.errors.sku_required';
     if ((!data.name_en || !data.name_en.trim()) && (!data.name_tg || !data.name_tg.trim())) {
       errors.name = 'parts.errors.name_required';
     }
-    const existing = getPartBySku(data.sku.trim());
-    if (existing && existing.id !== id) errors.sku = 'parts.errors.sku_taken';
     if (Object.keys(errors).length) return fail(400, { errors, values: data });
 
     updatePart(id, data);
     throw redirect(303, `/parts/${id}`);
+  },
+
+  delete: async ({ params }) => {
+    deactivatePart(Number(params.id));
+    throw redirect(303, '/parts');
   }
 };

src/routes/parts/[id]/+page.svelte

@@ -1,11 +1,18 @@
 <script>
-  import { locale, t, localized, formatMoney } from '$lib/i18n/store.js';
+  import { enhance } from '$app/forms';
+  import { locale, t, localized, formatMoney, formatTs } from '$lib/i18n/store.js';
 
   export let data;
   export let form;
   $: lang = $locale;
   $: ({ part, categories, movements } = data);
 
+  function confirmDelete(event) {
+    const name = localized(part, 'name', lang) || String(part.id);
+    const message = $t('parts.delete_confirm').replace('{name}', name);
+    if (!confirm(message)) event.preventDefault();
+  }
+
   $: errors = form?.errors ?? {};
   $: values = form?.values ?? {};
 
@@ -17,7 +24,7 @@
 </script>
 
 <div class="page-head">
-  <h1>{$t('parts.edit')}: {part.sku}</h1>
+  <h1>{$t('parts.edit')}: {localized(part, 'name', lang) || part.id}</h1>
   <a href="/parts" class="muted">← {$t('common.back')}</a>
 </div>
 
@@ -27,13 +34,7 @@
 
 <div class="layout">
   <section>
-    <form class="stack" method="POST">
-      <label>
-        {$t('parts.sku')} *
-        <input name="sku" required value={values.sku ?? part.sku} />
-        {#if errors.sku}<span class="field-error">{$t(errors.sku)}</span>{/if}
-      </label>
-
+    <form class="stack" method="POST" action="?/update">
       <div class="row">
         <label>
           {$t('parts.name_en')}
@@ -83,27 +84,10 @@
         </label>
       </div>
 
-      <div class="row">
-        <label>
-          {$t('parts.location')}
-          <input name="location" value={values.location ?? part.location ?? ''} />
-        </label>
-        <label>
-          {$t('parts.barcode')}
-          <input name="barcode" value={values.barcode ?? part.barcode ?? ''} />
-        </label>
-      </div>
-
-      <div class="row">
-        <label>
-          {$t('parts.description_en')}
-          <textarea name="description_en">{values.description_en ?? part.description_en ?? ''}</textarea>
-        </label>
-        <label>
-          {$t('parts.description_tg')}
-          <textarea name="description_tg">{values.description_tg ?? part.description_tg ?? ''}</textarea>
-        </label>
-      </div>
+      <label>
+        {$t('parts.barcode')}
+        <input name="barcode" value={values.barcode ?? part.barcode ?? ''} />
+      </label>
 
       <label class="checkbox">
         <input type="checkbox" name="active" value="1"
@@ -116,6 +100,10 @@
         <a class="btn-link" href="/movements/new?part_id={part.id}">+ {$t('nav.new_movement')}</a>
       </div>
     </form>
+
+    <form method="POST" action="?/delete" class="delete-form" use:enhance on:submit={confirmDelete}>
+      <button type="submit" class="danger">{$t('common.delete')}</button>
+    </form>
   </section>
 
   <aside>
@@ -129,8 +117,8 @@
         {$t('parts.reorder_level')}: {part.reorder_level}
       </div>
       <hr />
-      <div class="muted small">{$t('common.created')}: {part.created_at}</div>
-      <div class="muted small">{$t('common.updated')}: {part.updated_at}</div>
+      <div class="muted small">{$t('common.created')}: {formatTs(part.created_at)}</div>
+      <div class="muted small">{$t('common.updated')}: {formatTs(part.updated_at)}</div>
     </div>
 
     <h2>{$t('parts.recent_movements')}</h2>
@@ -149,7 +137,7 @@
         <tbody>
           {#each movements as m}
             <tr>
-              <td>{m.created_at}</td>
+              <td>{formatTs(m.created_at)}</td>
               <td><span class="pill">{$t('movements.type_' + m.movement_type)}</span></td>
               <td class="num">{m.quantity > 0 ? '+' : ''}{m.quantity}</td>
               <td class="num">{m.unit_price != null ? formatMoney(m.unit_price, lang) : $t('common.none')}</td>
@@ -186,6 +174,11 @@
   .btn-link:hover { background: #00553e; color: #fff; }
   .checkbox { display: flex; align-items: center; gap: 0.4rem; }
   .field-error { color: #8a1f1b; font-size: 0.8rem; }
+  .delete-form {
+    margin-top: 1.25rem;
+    padding-top: 1rem;
+    border-top: 1px solid #eef0f5;
+  }
 
   .qty { font-size: 2rem; font-weight: 700; margin: 0.25rem 0; }
   .qty.low { color: #b8443f; }

src/routes/parts/new/+page.server.js

@@ -1,5 +1,5 @@
 import { fail, redirect } from '@sveltejs/kit';
-import { createPart, getPartBySku, listCategories } from '$lib/server/parts.js';
+import { createPart, listCategories } from '$lib/server/parts.js';
 import { recordMovement } from '$lib/server/movements.js';
 
 export function load() {
@@ -13,10 +13,6 @@ export const actions = {
     const errors = validate(data);
     if (errors) return fail(400, { errors, values: data });
 
-    if (getPartBySku(data.sku.trim())) {
-      return fail(400, { errors: { sku: 'parts.errors.sku_taken' }, values: data });
-    }
-
     // Save the part with quantity 0, then record an opening "in" movement
     // if the user supplied an initial quantity. This keeps quantity changes
     // funneled exclusively through stock_movements.
@@ -38,7 +34,6 @@ export const actions = {
 
 function validate(d) {
   const errors = {};
-  if (!d.sku || !d.sku.trim()) errors.sku = 'parts.errors.sku_required';
   if ((!d.name_en || !d.name_en.trim()) && (!d.name_tg || !d.name_tg.trim())) {
     errors.name = 'parts.errors.name_required';
   }

src/routes/parts/new/+page.svelte

@@ -17,12 +17,6 @@
 {/if}
 
 <form class="stack" method="POST">
-  <label>
-    {$t('parts.sku')} *
-    <input name="sku" required value={values.sku ?? ''} />
-    {#if errors.sku}<span class="field-error">{$t(errors.sku)}</span>{/if}
-  </label>
-
   <div class="row">
     <label>
       {$t('parts.name_en')}
@@ -60,7 +54,7 @@
   <div class="row">
     <label>
       {$t('parts.unit')}
-      <input name="unit" value={values.unit ?? 'pcs'} />
+      <input name="unit" value={values.unit ?? 'liter'} />
     </label>
     <label>
       {$t('parts.reorder_level')}
@@ -74,24 +68,8 @@
       <input name="quantity_on_hand" type="number" min="0" step="1" value={values.quantity_on_hand ?? 0} />
     </label>
     <label>
-      {$t('parts.location')}
-      <input name="location" value={values.location ?? ''} />
-    </label>
-  </div>
-
-  <label>
-    {$t('parts.barcode')}
-    <input name="barcode" value={values.barcode ?? ''} />
-  </label>
-
-  <div class="row">
-    <label>
-      {$t('parts.description_en')}
-      <textarea name="description_en">{values.description_en ?? ''}</textarea>
-    </label>
-    <label>
-      {$t('parts.description_tg')}
-      <textarea name="description_tg">{values.description_tg ?? ''}</textarea>
+      {$t('parts.barcode')}
+      <input name="barcode" value={values.barcode ?? ''} />
     </label>
   </div>